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Publisher: Oxford University Press   (Total: 396 journals)

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Showing 1 - 200 of 396 Journals sorted alphabetically
ACS Symposium Series     Full-text available via subscription  
Acta Biochimica et Biophysica Sinica     Hybrid Journal   (Followers: 5, SJR: 0.881, h-index: 38)
Adaptation     Hybrid Journal   (Followers: 8, SJR: 0.111, h-index: 4)
Advances in Nutrition     Hybrid Journal   (Followers: 43, SJR: 2.075, h-index: 36)
Aesthetic Surgery J.     Hybrid Journal   (Followers: 6, SJR: 1.538, h-index: 35)
African Affairs     Hybrid Journal   (Followers: 64, SJR: 1.512, h-index: 46)
Age and Ageing     Hybrid Journal   (Followers: 87, SJR: 1.611, h-index: 107)
Alcohol and Alcoholism     Hybrid Journal   (Followers: 18, SJR: 0.935, h-index: 80)
American Entomologist     Full-text available via subscription   (Followers: 6)
American Historical Review     Hybrid Journal   (Followers: 155, SJR: 0.652, h-index: 43)
American J. of Agricultural Economics     Hybrid Journal   (Followers: 40, SJR: 1.441, h-index: 77)
American J. of Clinical Nutrition     Hybrid Journal   (Followers: 146, SJR: 3.771, h-index: 262)
American J. of Epidemiology     Hybrid Journal   (Followers: 170, SJR: 3.047, h-index: 201)
American J. of Hypertension     Hybrid Journal   (Followers: 25, SJR: 1.397, h-index: 111)
American J. of Jurisprudence     Hybrid Journal   (Followers: 18)
American J. of Legal History     Full-text available via subscription   (Followers: 8, SJR: 0.151, h-index: 7)
American Law and Economics Review     Hybrid Journal   (Followers: 27, SJR: 0.824, h-index: 23)
American Literary History     Hybrid Journal   (Followers: 15, SJR: 0.185, h-index: 22)
Analysis     Hybrid Journal   (Followers: 21)
Animal Frontiers     Hybrid Journal  
Annals of Behavioral Medicine     Hybrid Journal   (Followers: 14, SJR: 2.112, h-index: 98)
Annals of Botany     Hybrid Journal   (Followers: 35, SJR: 1.912, h-index: 124)
Annals of Oncology     Hybrid Journal   (Followers: 47, SJR: 4.362, h-index: 173)
Annals of the Entomological Society of America     Full-text available via subscription   (Followers: 9, SJR: 0.642, h-index: 53)
Annals of Work Exposures and Health     Hybrid Journal   (Followers: 30, SJR: 0.837, h-index: 57)
AoB Plants     Open Access   (Followers: 4, SJR: 0.78, h-index: 10)
Applied Economic Perspectives and Policy     Hybrid Journal   (Followers: 16, SJR: 0.884, h-index: 31)
Applied Linguistics     Hybrid Journal   (Followers: 56, SJR: 1.749, h-index: 63)
Applied Mathematics Research eXpress     Hybrid Journal   (Followers: 1, SJR: 0.779, h-index: 11)
Arbitration Intl.     Full-text available via subscription   (Followers: 20)
Arbitration Law Reports and Review     Hybrid Journal   (Followers: 14)
Archives of Clinical Neuropsychology     Hybrid Journal   (Followers: 30, SJR: 0.96, h-index: 71)
Aristotelian Society Supplementary Volume     Hybrid Journal   (Followers: 3, SJR: 0.102, h-index: 20)
Arthropod Management Tests     Hybrid Journal   (Followers: 2)
Astronomy & Geophysics     Hybrid Journal   (Followers: 42, SJR: 0.144, h-index: 15)
Behavioral Ecology     Hybrid Journal   (Followers: 51, SJR: 1.698, h-index: 92)
Bioinformatics     Hybrid Journal   (Followers: 294, SJR: 4.643, h-index: 271)
Biology Methods and Protocols     Hybrid Journal  
Biology of Reproduction     Full-text available via subscription   (Followers: 10, SJR: 1.646, h-index: 149)
Biometrika     Hybrid Journal   (Followers: 20, SJR: 2.801, h-index: 90)
BioScience     Hybrid Journal   (Followers: 30, SJR: 2.374, h-index: 154)
Bioscience Horizons : The National Undergraduate Research J.     Open Access   (Followers: 1, SJR: 0.213, h-index: 9)
Biostatistics     Hybrid Journal   (Followers: 17, SJR: 1.955, h-index: 55)
BJA : British J. of Anaesthesia     Hybrid Journal   (Followers: 162, SJR: 2.314, h-index: 133)
BJA Education     Hybrid Journal   (Followers: 64, SJR: 0.272, h-index: 20)
Brain     Hybrid Journal   (Followers: 68, SJR: 6.097, h-index: 264)
Briefings in Bioinformatics     Hybrid Journal   (Followers: 47, SJR: 4.086, h-index: 73)
Briefings in Functional Genomics     Hybrid Journal   (Followers: 3, SJR: 1.771, h-index: 50)
British J. for the Philosophy of Science     Hybrid Journal   (Followers: 34, SJR: 1.267, h-index: 38)
British J. of Aesthetics     Hybrid Journal   (Followers: 26, SJR: 0.217, h-index: 18)
British J. of Criminology     Hybrid Journal   (Followers: 585, SJR: 1.373, h-index: 62)
British J. of Social Work     Hybrid Journal   (Followers: 87, SJR: 0.771, h-index: 53)
British Medical Bulletin     Hybrid Journal   (Followers: 7, SJR: 1.391, h-index: 84)
British Yearbook of Intl. Law     Hybrid Journal   (Followers: 31)
Bulletin of the London Mathematical Society     Hybrid Journal   (Followers: 4, SJR: 1.474, h-index: 31)
Cambridge J. of Economics     Hybrid Journal   (Followers: 61, SJR: 0.957, h-index: 59)
Cambridge J. of Regions, Economy and Society     Hybrid Journal   (Followers: 10, SJR: 1.067, h-index: 22)
Cambridge Quarterly     Hybrid Journal   (Followers: 9, SJR: 0.1, h-index: 7)
Capital Markets Law J.     Hybrid Journal   (Followers: 2)
Carcinogenesis     Hybrid Journal   (Followers: 2, SJR: 2.439, h-index: 167)
Cardiovascular Research     Hybrid Journal   (Followers: 13, SJR: 2.897, h-index: 175)
Cerebral Cortex     Hybrid Journal   (Followers: 45, SJR: 4.827, h-index: 192)
CESifo Economic Studies     Hybrid Journal   (Followers: 17, SJR: 0.501, h-index: 19)
Chemical Senses     Hybrid Journal   (Followers: 1, SJR: 1.436, h-index: 76)
Children and Schools     Hybrid Journal   (Followers: 5, SJR: 0.211, h-index: 18)
Chinese J. of Comparative Law     Hybrid Journal   (Followers: 4)
Chinese J. of Intl. Law     Hybrid Journal   (Followers: 22, SJR: 0.737, h-index: 11)
Chinese J. of Intl. Politics     Hybrid Journal   (Followers: 9, SJR: 1.238, h-index: 15)
Christian Bioethics: Non-Ecumenical Studies in Medical Morality     Hybrid Journal   (Followers: 10, SJR: 0.191, h-index: 8)
Classical Receptions J.     Hybrid Journal   (Followers: 25, SJR: 0.1, h-index: 3)
Clean Energy     Open Access   (Followers: 1)
Clinical Infectious Diseases     Hybrid Journal   (Followers: 62, SJR: 4.742, h-index: 261)
Clinical Kidney J.     Open Access   (Followers: 3, SJR: 0.338, h-index: 19)
Communication Theory     Hybrid Journal   (Followers: 21, SJR: 2.62, h-index: 53)
Communication, Culture & Critique     Hybrid Journal   (Followers: 25)
Community Development J.     Hybrid Journal   (Followers: 27, SJR: 0.47, h-index: 28)
Computer J.     Hybrid Journal   (Followers: 9, SJR: 0.371, h-index: 47)
Conservation Physiology     Open Access   (Followers: 2)
Contemporary Women's Writing     Hybrid Journal   (Followers: 9, SJR: 0.111, h-index: 3)
Contributions to Political Economy     Hybrid Journal   (Followers: 5, SJR: 0.313, h-index: 10)
Critical Values     Full-text available via subscription  
Current Developments in Nutrition     Open Access  
Current Legal Problems     Hybrid Journal   (Followers: 27)
Current Zoology     Full-text available via subscription   (Followers: 2, SJR: 0.999, h-index: 20)
Database : The J. of Biological Databases and Curation     Open Access   (Followers: 8, SJR: 1.068, h-index: 24)
Digital Scholarship in the Humanities     Hybrid Journal   (Followers: 13)
Diplomatic History     Hybrid Journal   (Followers: 20, SJR: 0.296, h-index: 22)
DNA Research     Open Access   (Followers: 5, SJR: 2.42, h-index: 77)
Dynamics and Statistics of the Climate System     Open Access   (Followers: 3)
Early Music     Hybrid Journal   (Followers: 15, SJR: 0.124, h-index: 11)
Economic Policy     Hybrid Journal   (Followers: 39, SJR: 2.052, h-index: 52)
ELT J.     Hybrid Journal   (Followers: 24, SJR: 1.26, h-index: 23)
English Historical Review     Hybrid Journal   (Followers: 51, SJR: 0.311, h-index: 10)
English: J. of the English Association     Hybrid Journal   (Followers: 14, SJR: 0.144, h-index: 3)
Environmental Entomology     Full-text available via subscription   (Followers: 11, SJR: 0.791, h-index: 66)
Environmental Epigenetics     Open Access   (Followers: 3)
Environmental History     Hybrid Journal   (Followers: 26, SJR: 0.197, h-index: 25)
EP-Europace     Hybrid Journal   (Followers: 2, SJR: 2.201, h-index: 71)
Epidemiologic Reviews     Hybrid Journal   (Followers: 9, SJR: 3.917, h-index: 81)
ESHRE Monographs     Hybrid Journal  
Essays in Criticism     Hybrid Journal   (Followers: 16, SJR: 0.1, h-index: 6)
European Heart J.     Hybrid Journal   (Followers: 54, SJR: 6.997, h-index: 227)
European Heart J. - Cardiovascular Imaging     Hybrid Journal   (Followers: 8, SJR: 2.044, h-index: 58)
European Heart J. - Cardiovascular Pharmacotherapy     Full-text available via subscription   (Followers: 1)
European Heart J. - Quality of Care and Clinical Outcomes     Hybrid Journal  
European Heart J. : Case Reports     Open Access  
European Heart J. Supplements     Hybrid Journal   (Followers: 7, SJR: 0.152, h-index: 31)
European J. of Cardio-Thoracic Surgery     Hybrid Journal   (Followers: 9, SJR: 1.568, h-index: 104)
European J. of Intl. Law     Hybrid Journal   (Followers: 177, SJR: 0.722, h-index: 38)
European J. of Orthodontics     Hybrid Journal   (Followers: 4, SJR: 1.09, h-index: 60)
European J. of Public Health     Hybrid Journal   (Followers: 20, SJR: 1.284, h-index: 64)
European Review of Agricultural Economics     Hybrid Journal   (Followers: 10, SJR: 1.549, h-index: 42)
European Review of Economic History     Hybrid Journal   (Followers: 28, SJR: 0.628, h-index: 24)
European Sociological Review     Hybrid Journal   (Followers: 40, SJR: 2.061, h-index: 53)
Evolution, Medicine, and Public Health     Open Access   (Followers: 10)
Family Practice     Hybrid Journal   (Followers: 14, SJR: 1.048, h-index: 77)
Fems Microbiology Ecology     Hybrid Journal   (Followers: 10, SJR: 1.687, h-index: 115)
Fems Microbiology Letters     Hybrid Journal   (Followers: 22, SJR: 1.126, h-index: 118)
Fems Microbiology Reviews     Hybrid Journal   (Followers: 27, SJR: 7.587, h-index: 150)
Fems Yeast Research     Hybrid Journal   (Followers: 14, SJR: 1.213, h-index: 66)
Food Quality and Safety     Open Access  
Foreign Policy Analysis     Hybrid Journal   (Followers: 23, SJR: 0.859, h-index: 10)
Forest Science     Hybrid Journal   (Followers: 7, SJR: 0.872, h-index: 59)
Forestry: An Intl. J. of Forest Research     Hybrid Journal   (Followers: 16, SJR: 0.903, h-index: 44)
Forum for Modern Language Studies     Hybrid Journal   (Followers: 6, SJR: 0.108, h-index: 6)
French History     Hybrid Journal   (Followers: 32, SJR: 0.123, h-index: 10)
French Studies     Hybrid Journal   (Followers: 20, SJR: 0.119, h-index: 7)
French Studies Bulletin     Hybrid Journal   (Followers: 10, SJR: 0.102, h-index: 3)
Gastroenterology Report     Open Access   (Followers: 2)
Genome Biology and Evolution     Open Access   (Followers: 12, SJR: 3.22, h-index: 39)
Geophysical J. Intl.     Hybrid Journal   (Followers: 35, SJR: 1.839, h-index: 119)
German History     Hybrid Journal   (Followers: 22, SJR: 0.437, h-index: 13)
GigaScience     Open Access   (Followers: 3)
Global Summitry     Hybrid Journal   (Followers: 1)
Glycobiology     Hybrid Journal   (Followers: 14, SJR: 1.692, h-index: 101)
Health and Social Work     Hybrid Journal   (Followers: 55, SJR: 0.505, h-index: 40)
Health Education Research     Hybrid Journal   (Followers: 13, SJR: 0.814, h-index: 80)
Health Policy and Planning     Hybrid Journal   (Followers: 24, SJR: 1.628, h-index: 66)
Health Promotion Intl.     Hybrid Journal   (Followers: 21, SJR: 0.664, h-index: 60)
History Workshop J.     Hybrid Journal   (Followers: 29, SJR: 0.313, h-index: 20)
Holocaust and Genocide Studies     Hybrid Journal   (Followers: 26, SJR: 0.115, h-index: 13)
Human Communication Research     Hybrid Journal   (Followers: 13, SJR: 2.199, h-index: 61)
Human Molecular Genetics     Hybrid Journal   (Followers: 8, SJR: 4.288, h-index: 233)
Human Reproduction     Hybrid Journal   (Followers: 73, SJR: 2.271, h-index: 179)
Human Reproduction Open     Open Access  
Human Reproduction Update     Hybrid Journal   (Followers: 19, SJR: 4.678, h-index: 128)
Human Rights Law Review     Hybrid Journal   (Followers: 60, SJR: 0.7, h-index: 21)
ICES J. of Marine Science: J. du Conseil     Hybrid Journal   (Followers: 51, SJR: 1.233, h-index: 88)
ICSID Review     Hybrid Journal   (Followers: 11)
ILAR J.     Hybrid Journal   (Followers: 2, SJR: 1.099, h-index: 51)
IMA J. of Applied Mathematics     Hybrid Journal   (SJR: 0.329, h-index: 26)
IMA J. of Management Mathematics     Hybrid Journal   (SJR: 0.351, h-index: 20)
IMA J. of Mathematical Control and Information     Hybrid Journal   (Followers: 2, SJR: 0.661, h-index: 28)
IMA J. of Numerical Analysis - advance access     Hybrid Journal   (SJR: 2.032, h-index: 44)
Industrial and Corporate Change     Hybrid Journal   (Followers: 10, SJR: 1.37, h-index: 81)
Industrial Law J.     Hybrid Journal   (Followers: 35, SJR: 0.184, h-index: 15)
Inflammatory Bowel Diseases     Hybrid Journal   (Followers: 42, SJR: 1.994, h-index: 107)
Information and Inference     Free  
Integrative and Comparative Biology     Hybrid Journal   (Followers: 7, SJR: 1.911, h-index: 90)
Interacting with Computers     Hybrid Journal   (Followers: 11, SJR: 0.529, h-index: 59)
Interactive CardioVascular and Thoracic Surgery     Hybrid Journal   (Followers: 6, SJR: 0.743, h-index: 35)
Intl. Affairs     Hybrid Journal   (Followers: 57, SJR: 1.264, h-index: 53)
Intl. Data Privacy Law     Hybrid Journal   (Followers: 31)
Intl. Health     Hybrid Journal   (Followers: 5, SJR: 0.835, h-index: 15)
Intl. Immunology     Hybrid Journal   (Followers: 3, SJR: 1.613, h-index: 111)
Intl. J. for Quality in Health Care     Hybrid Journal   (Followers: 34, SJR: 1.593, h-index: 69)
Intl. J. of Constitutional Law     Hybrid Journal   (Followers: 63, SJR: 0.613, h-index: 19)
Intl. J. of Epidemiology     Hybrid Journal   (Followers: 204, SJR: 4.381, h-index: 145)
Intl. J. of Law and Information Technology     Hybrid Journal   (Followers: 5, SJR: 0.247, h-index: 8)
Intl. J. of Law, Policy and the Family     Hybrid Journal   (Followers: 31, SJR: 0.307, h-index: 15)
Intl. J. of Lexicography     Hybrid Journal   (Followers: 10, SJR: 0.404, h-index: 18)
Intl. J. of Low-Carbon Technologies     Open Access   (Followers: 1, SJR: 0.457, h-index: 12)
Intl. J. of Neuropsychopharmacology     Open Access   (Followers: 3, SJR: 1.69, h-index: 79)
Intl. J. of Public Opinion Research     Hybrid Journal   (Followers: 9, SJR: 0.906, h-index: 33)
Intl. J. of Refugee Law     Hybrid Journal   (Followers: 35, SJR: 0.231, h-index: 21)
Intl. J. of Transitional Justice     Hybrid Journal   (Followers: 12, SJR: 0.833, h-index: 12)
Intl. Mathematics Research Notices     Hybrid Journal   (Followers: 1, SJR: 2.052, h-index: 42)
Intl. Political Sociology     Hybrid Journal   (Followers: 36, SJR: 1.339, h-index: 19)
Intl. Relations of the Asia-Pacific     Hybrid Journal   (Followers: 22, SJR: 0.539, h-index: 17)
Intl. Studies Perspectives     Hybrid Journal   (Followers: 9, SJR: 0.998, h-index: 28)
Intl. Studies Quarterly     Hybrid Journal   (Followers: 44, SJR: 2.184, h-index: 68)
Intl. Studies Review     Hybrid Journal   (Followers: 21, SJR: 0.783, h-index: 38)
ISLE: Interdisciplinary Studies in Literature and Environment     Hybrid Journal   (Followers: 1, SJR: 0.155, h-index: 4)
ITNOW     Hybrid Journal   (Followers: 1, SJR: 0.102, h-index: 4)
J. of African Economies     Hybrid Journal   (Followers: 14, SJR: 0.647, h-index: 30)
J. of American History     Hybrid Journal   (Followers: 45, SJR: 0.286, h-index: 34)
J. of Analytical Toxicology     Hybrid Journal   (Followers: 14, SJR: 1.038, h-index: 60)
J. of Antimicrobial Chemotherapy     Hybrid Journal   (Followers: 15, SJR: 2.157, h-index: 149)
J. of Antitrust Enforcement     Hybrid Journal   (Followers: 1)
J. of Applied Poultry Research     Hybrid Journal   (Followers: 4, SJR: 0.563, h-index: 43)
J. of Biochemistry     Hybrid Journal   (Followers: 42, SJR: 1.341, h-index: 96)
J. of Burn Care & Research     Hybrid Journal   (Followers: 9, SJR: 0.713, h-index: 57)
J. of Chromatographic Science     Hybrid Journal   (Followers: 18, SJR: 0.448, h-index: 42)
J. of Church and State     Hybrid Journal   (Followers: 11, SJR: 0.167, h-index: 11)
J. of Communication     Hybrid Journal   (Followers: 50, SJR: 3.327, h-index: 82)
J. of Competition Law and Economics     Hybrid Journal   (Followers: 35, SJR: 0.442, h-index: 16)
J. of Complex Networks     Hybrid Journal   (Followers: 2, SJR: 1.165, h-index: 5)
J. of Computer-Mediated Communication     Open Access   (Followers: 26, SJR: 2.878, h-index: 80)
J. of Conflict and Security Law     Hybrid Journal   (Followers: 13, SJR: 0.196, h-index: 15)
J. of Consumer Research     Full-text available via subscription   (Followers: 41, SJR: 4.896, h-index: 121)

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Journal Cover Interactive CardioVascular and Thoracic Surgery
  Journal Prestige (SJR): 0.743
  Citation Impact (citeScore): 35
  Number of Followers: 6  
    
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 1569-9293 - ISSN (Online) 1569-9285
   Published by Oxford University Press Homepage  [396 journals]
  • Goodbye print version of the Interactive Journal: the times they are a
           changin’
    • Authors: Siepe M.
      Pages: 891 - 893
      Abstract: Interactive CardioVascular and Thoracic SurgeryOnline only
      PubDate: Tue, 29 May 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivy169
      Issue No: Vol. 26, No. 6 (2018)
       
  • Sex, crime and surgery: Interactive CardioVascular and Thoracic Surgery in
           the age of fake news
    • Authors: von Segesser L.
      Pages: 894 - 896
      Abstract: Cardiac surgeryVascular SurgeryThoracic SurgeryHistory
      PubDate: Tue, 29 May 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivy144
      Issue No: Vol. 26, No. 6 (2018)
       
  • Initial in vitro testing of a paediatric continuous-flow total artificial
           heart†
    • Authors: Fukamachi K; Karimov J, Horvath D, et al.
      Pages: 897 - 901
      Abstract: OBJECTIVESMechanical circulatory support has become standard therapy for adult patients with end-stage heart failure; however, in paediatric patients with congenital heart disease, the options for chronic mechanical circulatory support are limited to paracorporeal devices or off-label use of devices intended for implantation in adults. Congenital heart disease and cardiomyopathy often involve both the left and right ventricles; in such cases, heart transplantation, a biventricular assist device or a total artificial heart is needed to adequately sustain both pulmonary and systemic circulations. We aimed to evaluate the in vitro performance of the initial prototype of our paediatric continuous-flow total artificial heart.METHODSThe paediatric continuous-flow total artificial heart pump was downsized from the adult continuous-flow total artificial heart configuration by a scale factor of 0.70 (1/3 of total volume) to enable implantation in infants. System performance of this prototype was evaluated using the continuous-flow total artificial heart mock loop set to mimic paediatric circulation. We generated maps of pump performance and atrial pressure differences over a wide range of systemic vascular resistance/pulmonary vascular resistance and pump speeds.RESULTSPerformance data indicated left pump flow range of 0.4–4.7 l/min at 100 mmHg delta pressure. The left/right atrial pressure difference was maintained within ±5 mmHg with systemic vascular resistance/pulmonary vascular resistance ratios between 1.4 and 35, with/without pump speed modulation, verifying expected passive self-regulation of atrial pressure balance.CONCLUSIONSThe paediatric continuous-flow total artificial heart prototype met design requirements for self-regulation and performance; in vivo pump performance studies are ongoing.
      PubDate: Fri, 19 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivx429
      Issue No: Vol. 26, No. 6 (2018)
       
  • Superior pulmonary arterial flap for the repair of the left coronary
           artery from the non-facing pulmonary sinus
    • Authors: Kaewsaengeak C; Tocharoenchok T.
      Pages: 902 - 905
      Abstract: OBJECTIVESThe anomalous left coronary artery arising from the non-facing pulmonary sinus origin is uncommon but poses a great challenge as its distance precludes direct aortic implantation. We describe an innovative technique for aortic implantation of this anomaly in a 2-month-old infant.METHODSUsing a longitudinal pulmonary arterial flap, coronary tube extension was constructed without pulmonary commissure disturbance.RESULTSMyocardial recovery after 2-coronary artery system restoration was excellent.CONCLUSIONSWith this approach, coronary transfer using autologous tissue with growth potential is possible.
      PubDate: Mon, 29 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivy013
      Issue No: Vol. 26, No. 6 (2018)
       
  • Application of hybrid Stage I palliation for patients with two ventricular
           cavities and hypoplastic left heart structures†
    • Authors: Higashida A; Hoashi T, Kitano M, et al.
      Pages: 906 - 911
      Abstract: OBJECTIVESTo assess the feasibility of hybrid Stage I palliation consisting of bilateral pulmonary artery bandings and ductal stenting for patients with 2 ventricular cavities and hypoplastic left heart structures.METHODSEleven consecutive patients who underwent hybrid Stage I palliation between 2010 and 2017 were enrolled. The diagnoses were interrupted aortic arch/coarctation of the aorta, ventricular septal defect and significant left ventricular (LV) outflow tract obstruction in 5 patients, critical aortic stenosis and reduced LV contraction in 3 patients and hypoplastic left heart complex in 3 patients.RESULTSThe median age at definitive surgery was 12 months (range 6–22 months). During the mean follow-up period of 24 months (range 9–83 months) following the definitive surgery, there was 1 death. Two patients with interrupted aortic arch/coarctation of the aorta did not undergo the Yasui operation but underwent arch repair and ventricular septal defect closure after the growth of the aortic valve and LV outflow tract. For 2 of the 3 patients with critical aortic stenosis, biventricular repair was performed. Of the 3 patients with hypoplastic left heart complex, 2 patients showed growth of the mitral valve and left ventricle following LV rehabilitation by balloon pulmonary artery dilatation or surgical debanding of the banded pulmonary arteries and subsequently underwent biventricular repair, which resulted in 1 death.CONCLUSIONSHybrid Stage I palliation would be a safe and beneficial treatment for patients with 2 ventricles, as a bridge to decide whether and how to achieve a biventricular repair and whether it should be preceded by a preliminary LV rehabilitation.
      PubDate: Wed, 24 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivx428
      Issue No: Vol. 26, No. 6 (2018)
       
  • Subaxillary approach to cardiac electronic device implantation using a
           single surgical incision: a single-centre experience
    • Authors: Bolzan B; Morosato M, Caponi D, et al.
      Pages: 912 - 918
      Abstract: OBJECTIVESPacemakers and implantable cardioverter defibrillators have become more common in younger individuals, owing to broader indications and technological advances. Our goal was to report our long-term experience of implanting cardiac devices in young adults via a subaxillary approach with a hidden single incision, to minimize the aesthetic impact of the device.METHODSFrom 2003 to 2012, 23 patients underwent cardiac device implantation via a subaxillary approach while they were under general anaesthesia. The axillary vein was punctured under contrast-medium radiological guidance. The devices were positioned into the pocket under the pectoralis major muscle and over the fascia that envelopes the pectoralis minor muscle, through a lateral surgical access along the midaxillary line.RESULTSTwenty-two single- and dual-chamber implantable cardioverter defibrillator and 1 dual-chamber pacemaker were implanted (mean age 32.2 ± 13.4 years). All procedures were successfully performed without complications; overall hospitalization after implantation was 3.3 days. During mean a follow-up of 65 ± 18 months, no deaths, infections or device migrations occurred. Two ventricular lead dislodgements requiring repositioning occurred within 1 month, and 1 defibrillation lead fracture occurred 5 years after implantation. All patients were extremely satisfied with the aesthetic result. A mild increase in the pacing threshold (0.88 ± 0.6 V at 0.4/0.5 ms at implantation vs 1.00 ± 0.3 V at 0.4/0.5 ms at 2-year follow-up, P = 0.063) and a statistically significant decrease in the pacing impedance (637 ± 161 ohm at implantation vs 499 ± 81 ohm at 2-year follow-up, P = 0.001) were observed, without any consequences.CONCLUSIONSThe subaxillary approach is a safe, feasible technique that requires a simple surgical procedure. The implantable cardioverter defibrillator functions properly at implantation and at long-term follow-up.
      PubDate: Thu, 01 Feb 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivy002
      Issue No: Vol. 26, No. 6 (2018)
       
  • Residual echocardiographic and computed tomography findings after
           thoracoscopic occlusion of the left atrial appendage using the AtriClip
           PRO device
    • Authors: Osmancik P; Budera P, Zdarska J, et al.
      Pages: 919 - 925
      Abstract: OBJECTIVESThoracoscopic occlusion of the left atrial appendage (LAA) has become a routine part of thoracoscopic ablation for the treatment of atrial fibrillation (AF). Evaluation of residual findings of the occluded LAA by echocardiography has yet to be described.METHODSPatients with AF indicated for hybrid ablation (thoracoscopic procedure followed by catheter ablation) were enrolled in this study. LAA was occluded as a routine part of the thoracoscopic procedure. Follow-up transoesophageal echocardiography was performed at the end of the procedure, 2–5 days and 2–3 months after the procedure (before the endocardial stage). The residual pouches of the LAA were measured in the mitral valve view (30–110°) and in the perpendicular view. The depth of the residual pouch was measured from the ostial plane (connecting the Coumadin ridge and the circumflex artery) to the deepest part of the residuum. The volume of the residual pouch and the distance from the circumflex artery to the proximal and the distal ends of the AtriClip were measured using computed tomography.RESULTSForty patients were enrolled in this study. The success rate for the occlusion of the LAA, assessed on transoesophageal echocardiography 2–5 days after surgery, was 97.5%. Regarding the residual findings, no reperfused LAAs were found, and only residual stumps remained. The depth of the stump was 12.9 ± 5.9 mm, the area was 2.2 ± 1.1 cm2, and the volume was 3.6 ± 1.9 ml (all data are shown as mean ± standard deviation).CONCLUSIONSThe occlusion of the LAA using an AtriClip PRO device was a clinically safe procedure with high efficacy and was associated with the presence of a small residual pouch after occlusion.Clinical trial registrationNCT02832206.
      PubDate: Thu, 18 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivx427
      Issue No: Vol. 26, No. 6 (2018)
       
  • Influence of external stenting on venous graft flow parameters in coronary
           artery bypass grafting: a randomized study
    • Authors: Amin S; Werner R, Madsen P, et al.
      Pages: 926 - 931
      Abstract: OBJECTIVESLong-term patency of saphenous vein grafts (SVGs) remains a concern after coronary artery bypass grafting. Interventions to overcome this problem include monitoring intraoperative flow profile and, more recently, external stenting of SVGs. It is not known to what extent external stenting changes the perioperative flow characteristics of SVGs. The aim of this study was to assess whether the presence of an external stent affects perioperative graft flow parameters as evaluated by transit time flowmetry.METHODSThirty-five patients were included from 1 centre participating in a multicentre, randomized clinical trial of external stenting of SVGs. Patients were eligible if scheduled for on-pump multivessel coronary artery bypass grafting including planned SVGs to both the right and the left coronary territories. Each patient received external stenting of a single SVG randomly allocated intraoperatively to either coronary territory. The primary end-points were mean graft flow, pulsatility index, percentage of diastolic filling and percentage of backward flow in stented versus non-stented SVGs.RESULTSExternal stenting was performed in 17 SVGs supplying the left territory (20 non-stented SVGs for control) and in 18 SVGs supplying the right territory (18 non-stented SVGs for control). No significant difference was found in flow parameters between stented and non-stented SVGs in the overall group or between pre-defined groups of SVGs supplying the right and left territories, respectively.CONCLUSIONSExternal stenting of SVGs do not affect intraoperative flow parameters significantly.CLINICAL TRIAL REGISTRATIONclinicaltrials.gov identifier: NCT02511834.
      PubDate: Wed, 24 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivy007
      Issue No: Vol. 26, No. 6 (2018)
       
  • The outcome of reoperative pulmonary endarterectomy surgery
    • Authors: Ali J; Dunning J, Ng C, et al.
      Pages: 932 - 937
      Abstract: OBJECTIVESPulmonary endarterectomy (PEA) is the treatment of choice for patients with chronic thromboembolic pulmonary hypertension (PH). Despite excellent outcomes following PEA, a small proportion of patients have residual proximal disease or present with recurrent chronic thromboembolic PH and may benefit from further surgery. The aim of this study was to analyse outcomes following reoperative PEA at a high-volume national tertiary referral centre for the management of chronic thromboembolic PH.METHODSThis retrospective analysis was performed using our prospectively maintained PH database to identify all patients who underwent reoperative PEA surgery between the commencement of the programme in 1997 and January 2017, and the patients' data were collected for analysis.RESULTSTwelve patients underwent reoperative PEA during the period of study. The mean interval between primary procedure and reoperative procedure was 6.3 years. Significant improvements were observed in pulmonary haemodynamics following reoperative PEA. Mean pulmonary arterial pressure decreased from 46.8 to 29.8 mmHg (P < 0.0001) and pulmonary vascular resistance decreased from 662 to 362 dyne·s·cm−5 (P = 0.0007). A significant functional improvement in the 6-min walking test distance was also observed, increasing from 327 to 460 m at 6 months postoperatively (P = 0.0018). Median length of hospital stay was 12 days. In-hospital mortality was 8.3% with 1-year survival of 83.3%.CONCLUSIONSReoperative PEA is technically possible and relatively safe, achieving good functional and physiological outcomes. Patients must be carefully selected by a multidisciplinary team, and surgery should be performed in experienced centres.
      PubDate: Tue, 23 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivx424
      Issue No: Vol. 26, No. 6 (2018)
       
  • Novel fast-track recovery protocol for alternative access transcatheter
           aortic valve replacement: application to non-femoral approaches
    • Authors: Kolkailah A; Hirji S, Ejiofor J, et al.
      Pages: 938 - 943
      Abstract: OBJECTIVESAlthough the transfemoral approach for transcatheter aortic valve replacement is the preferred choice, alternative access remains indicated for inadequate iliofemoral vessels. We report the successful implementation of a novel fast-track (FT) protocol for patients undergoing alternative access transcatheter aortic valve replacement compared with conventional controls.METHODSBetween September 2014 and January 2017, 31 and 23 patients underwent alternative access transcatheter aortic valve replacement under FT and pre-fast-track (p-FT) protocols, respectively. Comparisons of outcomes (in terms of mortality, complications, readmissions and resource utilization) were made before and after the implantation of the FT protocol in September 2015.RESULTSOverall, mean age was 78.7 years in FT and 79.6 years in p-FT patients (P = 0.71). There were no significant differences in procedural (3.2% vs 13.0%, P = 0.301) or 90-day mortality (3.2% vs 17.4%, P = 0.151) between the FT and p-FT groups, respectively. Compared with p-FT patients, FT patients had significantly shorter intensive care unit stays (12 h vs 27 h, P = 0.006) and a trend towards more discharges within 3 days (41.9% vs 17.4%, P = 0.081). Resource utilization analyses projected a 56% and 17% reduction in the mean intensive care unit time (hours) per 100 patients and the total length of stay (days) per 100 patients, respectively, with respect to the FT approach.CONCLUSIONSThis pilot study demonstrates the feasibility and safety of the novel FT protocol for alternative access transcatheter aortic valve replacement, resulting in shorter intensive care unit stays, without increasing procedural complications or readmissions. With the expected increase in transcatheter aortic valve replacement utilization, FT protocols should be integrated with a multidisciplinary heart team approach to enhance patient recovery and optimize resource utilization.
      PubDate: Mon, 22 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivx409
      Issue No: Vol. 26, No. 6 (2018)
       
  • Clinical differences between men and women undergoing surgery for acute
           Type A aortic dissection
    • Authors: Suzuki T; Asai T, Kinoshita T.
      Pages: 944 - 950
      Abstract: OBJECTIVESThe differences in clinical features, surgical outcome and long-term prognosis between men and women who undergo surgery for Type A aortic dissection are not well known.METHODSFrom January 2004 to December 2016, 303 patients, consisting of 147 women and 156 men, underwent surgery for acute Type A aortic dissection at our institution. We compared clinical outcomes between the 2 cohorts.RESULTSWomen were older than men (72.6 vs 63.0; P < 0.001). Operative mortality was similar between the groups (8.2% vs 8.9%; P = 0.80). The duration of intensive care unit stay (54 vs 64 h median; P = 0.03) and mechanical ventilator support (34 vs 43 h; P = 0.02) was significantly shorter in women. Multivariate logistic regression analysis revealed that preoperative cardiopulmonary resuscitation, cardiac tamponade, chronic obstructive pulmonary disease, haemodialysis and longer cardiopulmonary bypass time were independent risk factors for early death. Among the hospital survivors, the actuarial survival rate was 59.0% in women and 65.7% in men at 10 years (P = 0.81). During the follow-up period, there were 9 female and 27 male patients who underwent reoperation related to the aortic dissection. The rate of 10-year actuarial freedom from reoperation was 80.7% in women and 53.1% in men (log-rank P = 0.018).CONCLUSIONSNo differences were observed in both early and long-term mortality between women and men. Male patients had a significantly higher rate of reoperation.CLINICAL REGISTRATION NUMBERUMIN000029179.
      PubDate: Tue, 06 Feb 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivy005
      Issue No: Vol. 26, No. 6 (2018)
       
  • Ten-year experience of the thoraco-abdominal aortic aneurysm treatment
           using a hybrid thoracic endovascular aortic repair†
    • Authors: Shuto T; Wada T, Miyamoto S, et al.
      Pages: 951 - 956
      Abstract: OBJECTIVESThe treatment of thoraco-abdominal aortic aneurysm continues to have a high mortality and paraplegia rate. In superaging societies, the methods of performing less invasive operations remain a major issue. We reviewed our 10-year experience in the treatment of thoraco-abdominal aortic aneurysm using a hybrid procedure of combined visceral reconstruction and thoracic endovascular aortic repair.METHODSSixty patients underwent a hybrid repair for the treatment of the thoraco-abdominal aortic aneurysm between 2007 and 2016. The mean age was 72.7 years. A true aneurysm was found in 43 (72%) patients and a chronic dissection in 17 (28%) patients. The standard operative procedure involved replacing the abdominal aorta with an artificial graft, and the visceral arteries were reconstructed using a quadrifurcated graft. Renovisceral debranching and stent grafting were performed as a 2-stage procedure.RESULTSThe hospital mortality rate was 5%. Two (3%) patients died due to an aneurysmal rupture in the hospital just after renovisceral debranching. The other 2 patients died due to an aneurysmal rupture in the long-term period after preventive renovisceral debranching. Two (3%) patients experienced spinal cord ischaemia after the stenting procedure. Four (7%) patients required additional treatment during the follow-up period. The overall survival was 75.9% at 2 years, 65.2% at 5 years and 43.5% at 8 years. The rates of freedom from aorta-related events were 92.9% at 2 years, 80.5% at 5 years and 72.5% at 8 years.CONCLUSIONSThe hybrid repair is considered to be a good option for elderly and high-risk patients. Further long-term follow-up is necessary to extend the indication in younger patients.
      PubDate: Fri, 02 Feb 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivy021
      Issue No: Vol. 26, No. 6 (2018)
       
  • Novel insights by 4D Flow imaging on aortic flow physiology after
           valve-sparing root replacement with or without neosinuses†
    • Authors: Galea N; Piatti F, Sturla F, et al.
      Pages: 957 - 964
      Abstract: OBJECTIVESThis study was undertaken to evaluate the flow dynamics in the aortic root after valve-sparing root replacement with and without neosinuses of Valsalva reconstruction, by exploiting the capability of 4D Flow imaging to measure in vivo blood velocity fields and 3D geometric flow patterns.METHODSTen patients who underwent valve-sparing root replacement utilizing grafts with neosinuses or straight tube grafts (5 cases each) were evaluated by 4D Flow imaging at a mean of 46.5 months after surgery. We used in-house processing tools to quantify relevant bulk flow variables (flow rate, stroke volume, peak velocity and mean velocity), wall shear stresses and the amount of flow rotation characterizing the region enclosed by the graft and the aortic valve leaflets.RESULTSDespite bulk flows with similar peak velocities, flow rates and stroke volumes (P = 0.31–1.00), the neosinuses graft was associated with a lower mean velocity (P < 0.03) and magnitude of wall shear stress along the axial direction of the vessel wall (P < 0.05) at the proximal root level but remained comparable along the circumferential direction (P = 0.22–1.0) to the straight tube graft. Flow rotation was evidently and systematically higher in the neosinuses grafts, characterized by streamline rotations higher than 270°, nearly triple that of tubular grafts (10.3 ÷ 14.0% of all aortic streamline vs 2.2 ÷ 5.7%, P = 0.008).CONCLUSIONSRecreation of the sinuses of Valsalva during valve-sparing root replacement is associated with significantly lower wall shear stress and organized vortical flows at the level of the sinus that are not evident using the straight tube graft. These findings need confirmation in larger studies and could have important implications in terms of aortic valve durability.
      PubDate: Thu, 01 Feb 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivx431
      Issue No: Vol. 26, No. 6 (2018)
       
  • Safety of perioperative cerebral oxygen saturation during debranching in
           patients with incomplete circle of Willis
    • Authors: Takahashi Y; Murakami T, Sasaki Y, et al.
      Pages: 965 - 971
      Abstract: OBJECTIVESThe consequences of common carotid artery (CCA) cross-clamping during debranching before thoracic endovascular aortic repair are unclear. We examined the safety of a simple CCA cross-clamping procedure under regional cerebral oxygen saturation monitoring (rSO2) in patients with a complete or incomplete circle of Willis (CoW) anatomy.METHODSTwenty-eight patients with thoracic aneurysm underwent elective debranching thoracic endovascular aortic repair with bilateral frontal rSO2 monitoring at our institution between January 2012 and October 2015. Before CCA cross-clamping, we maintained a systemic mean arterial pressure of >100 mm Hg with a vasopressor. We recorded the bilateral frontal rSO2 before, during and after CCA cross-clamping.RESULTSThe CoW was incomplete in 11 (39.3%) patients. Of these, 6 patients had a complication of ischaemic potential. The left frontal rSO2 was <50% in 3 patients but did not fall below 40%. Compared with baseline values (mean ± SD 64.6 ± 6.9%), the left frontal rSO2 showed no significant change perioperatively in those with a complete CoW on the left CCA cross-clamping (during: 61.0 ± 7.9%, P = 0.17; after: 65.1 ± 5.9%, P = 0.09). In patients with an incomplete CoW with ischaemic potential, the left frontal rSO2 did not change significantly after cross-clamping (baseline: 59.8 ± 3.2%, during: 55.5 ± 5.0%; P = 0.10) but increased significantly on declamping (62.8 ± 4.5%, P = 0.023). The extent of the changes in the mean left frontal rSO2 on clamping and declamping decreased and increased by 7.3% and 11.7%, respectively, in patients with an incomplete CoW, when compared with 5.3% and 5.8% in those with a complete CoW (P = 0.65 and 0.31, respectively). No perioperative cerebrovascular events were observed.CONCLUSIONSSimple CCA cross-clamping during debranching was safe when arterial pressure was supported and rSO2 was monitored, even with an incomplete CoW and ischaemic potential.
      PubDate: Fri, 19 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivx443
      Issue No: Vol. 26, No. 6 (2018)
       
  • The risk of spinal cord injury during the frozen elephant trunk procedure
           in acute aortic dissection
    • Authors: Kozlov B; Panfilov D, Ponomarenko I, et al.
      Pages: 972 - 976
      Abstract: OBJECTIVESThe aim of the study was to access the extended occlusion of the intercostal arteries by a stent graft in the development of postoperative spinal cord injury during aortic arch surgery using the frozen elephant trunk technique.METHODSA total of 37 consecutive patients underwent total aortic arch surgery using the frozen elephant trunk technique between March 2012 and July 2017. The mean age of the patients was 54.7 ± 10.5 years. Type A and Type B aortic dissections were the indications for surgery. Moderate hypothermia and antegrade cerebral perfusion via the innominate artery were utilized. The mean diameter of the implanted stent graft was 27.7 ± 2 mm (range 24–30 mm).RESULTSNo permanent spinal cord injuries occurred. The distal edge of the stent graft was in the T7–T12 range. Its lower edge was implanted at the T9–T12 level in 25 (67.6%) cases. Preoperatively, the mean number of intercostal arteries was 10 ± 1 on the left side and 10 ± 2 on the right side (P = 0.59). Postoperatively, the mean number of open segmental arteries was 3 ± 2 on the left and 4 ± 1 on the right (P = 0.003).CONCLUSIONSThe frozen elephant trunk procedure is associated with the occlusion of most (two-thirds) of the intercostal arteries. Maintenance of adequate blood flow in the subclavian and iliac arteries is an integral prerequisite for a favourable outcome. The level of the deployment of the distal edge of the stent graft does not play a defining role.
      PubDate: Wed, 17 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivx432
      Issue No: Vol. 26, No. 6 (2018)
       
  • Experimental ex vivo lung perfusion with sevoflurane: effects on damaged
           donor lung grafts
    • Authors: Wang X; Parapanov R, Francioli C, et al.
      Pages: 977 - 984
      Abstract: OBJECTIVESVolatile anaesthetics can provide significant protection against reperfusion injury in various experimental settings. The aim of this study was to assess the potential of sevoflurane treatment, the most commonly used volatile anaesthetic in modern anaesthesia, in rat lungs donated after circulatory death and reconditioned in an ex vivo lung perfusion (EVLP) system.METHODSFifteen rats were sacrificed and divided into 3 groups. In the control and sevoflurane groups, the heart–lung blocks were exposed to 1 h of warm ischaemia and 2 h of cold ischaemia and were mounted on an EVLP circuit for 3 h, in the absence or in the presence of 2% sevoflurane. In the baseline group, heart–lung blocks were harvested immediately after euthanasia. Physiological data, lung nitro-oxidative stress, lactate dehydrogenase (LDH), expression of cytokines, oedema and histopathological findings were assessed during or post-EVLP.RESULTSThe sevoflurane group showed significantly reduced LDH (8.82 ± 3.58 arbitrary unit vs 3.80 ± 3.02 arbitrary unit, P = 0.03), protein carbonyl (1.17 ± 0.44 nmol⋅mg−1 vs 0.55 ± 0.11 nmol⋅mg−1, P = 0.006), 3-nitrotyrosine (197.44 ± 18.47 pg⋅mg−1 vs 151.05 ± 23.54 pg⋅mg−1, P = 0.004), cytokine-induced neutrophil chemoattractant factor 1 (1.17 ± 0.32 ng⋅mg−1 vs 0.66 ± 0.28 ng⋅mg−1, P = 0.03) and tumour necrosis factor alpha (1.50 ± 0.59 vs 0.59 ± 0.38 ng⋅mg−1, P = 0.02) when compared with the control group. In addition, sevoflurane lungs gained significantly less weight (0.72 ± 0.09 g vs 0.72 ± 0.09 g, P = 0.044), had less perivascular oedema (0.58 ± 0.09 vs 0.47 ± 0.07, P = 0.036), and improved static pulmonary compliance (+0.215 ml⋅cmH2O−1, P = 0.003) and peak airways pressure (–1.33 cmH2O, P = 0.04) but similar oxygenation capacity (+1.61 mmHg, P = 0.77) and pulmonary vascular resistances (+0.078 mmHg⋅min⋅ml−1, P = 0.15) when compared with the control group.CONCLUSIONSThese findings suggest that the potential of sevoflurane in protecting the lungs donated after cardiac death and reconditioned using EVLP could improve the outcome of these lungs following subsequent transplantation.
      PubDate: Wed, 24 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivx438
      Issue No: Vol. 26, No. 6 (2018)
       
  • Comparison of physical and biological properties of CardioCel® with
           commonly used bioscaffolds
    • Authors: Neethling W; Puls K, Rea A.
      Pages: 985 - 992
      Abstract: OBJECTIVESDurability of bioscaffolds cross-linked with glutaraldehyde and used in cardiovascular surgery is limited by biomechanical instability, calcification and reduced biocompatibility. This study compares CardioCel®, a bovine pericardial scaffold engineered via the ADAPT® process to ensure optimized biostability and biocompatibility, with the commonly used bioscaffolds.METHODSBovine pericardial scaffolds, cross-linked with 0.6% glutaraldehyde (XenoLogiX™, PeriGuard®), dye-mediated photo-oxidized (PhotoFix™) and a non-crosslinked porcine scaffold (CorMatrix®), were compared with CardioCel (decellularized, cross-linked with 0.05% monomeric glutaraldehyde, detoxified) by thermal stability and mechanical tests. Biocompatibility and calcification were assessed in a juvenile subcutaneous rat model at 6 and 12 weeks.RESULTSCardioCel displayed significantly higher (P < 0.01) cross-link stability (77.99 ± 0.64 °C) than CorMatrix (57.88 ± 0.22 °C) and PhotoFix (53.96 ± 0.41 °C). Tensile strength of CardioCel (8.31 ± 3.36 MPa) was comparable with XenoLogiX (11.00 ± 5.43 MPa, P = 0.734), PeriGuard (16.44 ± 6.69 MPa, P = 0.136), PhotoFix (7.10 ± 6.11, P = 0.399) and CorMatrix (9.75 ± 2.61, P = 0.204). XenoLogiX and PeriGuard recorded the highest Young’s modulus (67.01 ± 30.36 vs 95.67 ± 45.91 MPa), while CardioCel (50.21 ± 19.92 MPa) was comparable with CorMatrix (36.78 ± 10.47 MPa, P = 0.204) and PhotoFix (33.50 ± 10.24, P = 0.399). CorMatrix displayed a significantly (P < 0.05) greater stiffness (4.74 ± 0.77 MPa) at 10% strain than PeriGuard (3.73 ± 1.79 MPa), PhotoFix (1.59 ± 0.40 MPa) and CardioCel (3.39 ± 0.83 MPa). Differences in extractable calcium did not reach significance; however, the inorganic phosphorus content of PhotoFix (21.3 ± 9.0 µg/mg) was higher than CardioCel (11.35 ± 0.76 µg/mg, P = 0.004) or PeriGuard (10.7 ± 2.18 µg/mg, P = 0.002) at 12 weeks. CardioCel underwent a typical mild host–graft response with fibroblast infiltration and remodelling. Foreign body reactions were visible in both XenoLogiX and PeriGuard, with isolated fibroblast infiltration. PhotoFix showed severe inflammation and 2 implants were completely degraded at 12 weeks.CONCLUSIONSCardioCel demonstrated optimized physical properties, minimal mineralization potential and superior biocompatibility. These results may benefit the long-term performance of this bioscaffold for cardiovascular surgery. The favourable characteristics of the comparator products were counterbalanced by less desirable features that may have negative implications on durability and performance when used in cardiovascular procedures.
      PubDate: Thu, 18 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivx413
      Issue No: Vol. 26, No. 6 (2018)
       
  • Novel regenerative therapy combined with transphrenic
           peritoneoscopy-assisted omentopexy
    • Authors: Kainuma S; Nakajima K, Miyagawa S, et al.
      Pages: 993 - 1001
      Abstract: OBJECTIVESWe previously reported that cell sheet transplantation combined with an omentopexy (OP) procedure is more effective for repairing heart damage when compared with cell sheet transplantation alone. However, a simultaneous (conventional) laparotomy as part of the OP may adversely affect the general condition of critically ill heart failure patients who would otherwise benefit from cell sheet transplantation, which is a paradox to be reconciled before this treatment can be applied in a clinical setting. We devised a novel endoscopic approach termed ‘transphrenic peritoneoscopy’ (TPP) for minimal access to abdominal organs from the thoracic cavity. Herein, we evaluated the feasibility and safety of TPP with an OP in a porcine myocardial infarction model.METHODSMyocardial infarction was induced in 4 mini pigs by placing an ameroid constrictor around the left anterior descending artery. One month later, a left thoracotomy was performed in 2 randomly selected mini pigs, and a laparoscopic port was placed on the left diaphragm to gain access into the abdominal cavity. Using a low-pressure pneumoperitoneum, a flexible gastrointestinal endoscope was advanced, then the omentum was partially grasped with endoscopic forceps and brought back into the thoracic cavity via the diaphragm. Skeletal myoblast cell sheets were then implanted over the impaired myocardium, followed by placing the omentum over the sheets.RESULTSTPP-assisted OP was accomplished in 2 post-myocardial infarction mini pigs with severe heart failure with an intra-abdominal pressure ≤8 mmHg within 30 min (22 and 27 min, respectively). Necropsy findings revealed a viable omentum flap and pedicle in both animals, with no evidence of procedure-related complications. Angiographic and histological analyses confirmed vessel communication between the omentum and the left ventricle.CONCLUSIONS Our TPP approach was shown to be feasible and safe with a low-pressure pneumoperitoneum, while the omentum flap was durable. This successful combination of techniques may provide less-invasive endoscopic intervention and regenerative therapy.
      PubDate: Thu, 18 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivx430
      Issue No: Vol. 26, No. 6 (2018)
       
  • Suitability of the porcine aortic model for transcatheter aortic root
           repair
    • Authors: Wang C; Lachat M, Regar E, et al.
      Pages: 1002 - 1008
      Abstract: OBJECTIVESTo treat aortic valve disease and concomitant root disease with transcatheter techniques, ‘composite graft’ implants are required. Our goal was to assess the suitability of the porcine aortic root for transcatheter root repair tests.METHODSEight pig hearts explanted from domestic pigs used in experimental surgery were compared to data from the literature on human hearts. The measured diameters included those of the annulus, sinuses of Valsalva, coronary ostia, sinotubular junction, ascending aorta, innominate artery and aortic arch. The measured distances were from the coronary ostia to the nadir of the corresponding annulus; from the innominate artery to the nadir of the corresponding annulus; from the small curvature of the arch to the nadir of the corresponding annulus.RESULTSThe mean weight of the pigs was 89 ± 5.4 kg. The mean aortic annulus diameter was 20 ± 1.2 mm (human: 23.0 ± 2.5 mm), the sinus of Valsalva diameter was 20.5 ± 0.5 mm (human: 31.4 ± 3.4 mm) and the sinotubular junction diameter was 20 ± 0.9 mm (human: 27.2 ± 3.0 mm). The diameter of the mean ascending aorta was 19 ± 0.7 mm (human: 29.3 ± 4 mm); the diameter of the innominate artery was 8.5 ± 0.7 mm, that of the aortic arch was 15 ± 0.7 mm and that of the coronary ostia was 5 ± 0.5 mm (left) and 4.7 ± 0.5 mm (right) (human: 4.8 ± 0.5 mm and 3.7 ± 0.9 mm). The distances from the left and right coronary orifices to the corresponding annuli were 8 ± 1.5 mm and 14 ± 2.4 mm, respectively (human: 14.7 ± 1.3 mm; 15.4 ± 1.7 mm). The distances from the innominate artery to the nadirs of the left and right coronary annuli were 44 ± 4.3 mm and 41 ± 4 mm (human: 80 ± 17 mm). The distance from the curvature of the small arch to the annulus was 35 ± 4.9 mm.CONCLUSIONSThe porcine heart can be used as an experimental model to design and test new devices for catheter-based composite repair of the aortic root. Nevertheless, caution is required in using devices with tailored dimensions that must be adapted to the smaller pig’s root.
      PubDate: Fri, 02 Feb 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivx381
      Issue No: Vol. 26, No. 6 (2018)
       
  • The impact of coexisting lung diseases on outcomes in patients with
           pathological Stage I non-small-cell lung cancer
    • Authors: Tao H; Onoda H, Okabe K, et al.
      Pages: 1009 - 1015
      Abstract: OBJECTIVESCigarette smoking is a well-known cause of interstitial lung disease (ILD), pulmonary emphysema and lung cancer. Coexisting pulmonary disease can affect prognosis in patients with lung cancer. The aim of this study was to determine the influence of pulmonary disease on outcomes in patients with a smoking history who had undergone surgery for pathological Stage I non-small-cell lung cancer.METHODSMedical records of 257 patients with a smoking history who underwent surgery for pathological Stage I non-small-cell lung cancer between June 2009 and December 2014 were reviewed. Coexisting ILDs were evaluated using high-resolution computed tomography. The degree of pulmonary emphysema was determined using image analysis software according to the Goddard classification. The impact of clinicopathological factors on outcome was evaluated.RESULTSAmong the 257 patients, ILDs were detected via high-resolution computed tomography in 60 (23.3%) patients; of these, usual interstitial pneumonia (UIP) patterns and non-UIP patterns were seen in 25 (9.7%) and 35 (13.6%) patients, respectively. The degree of pulmonary emphysema was classified as none, mild and moderate and included 50 (19.5%), 162 (63.0%) and 45 (17.5%) patients, respectively. The 5-year overall survival, cancer-specific survival and relapse-free survival were 80.7%, 88.0% and 74.9%, respectively, during a median follow-up period of 50.5 months. In multivariate analysis, the presence of a UIP pattern was shown to be an independent risk factor for poor outcome.CONCLUSIONSThe presence of a UIP-pattern ILD on high-resolution computed tomography images was shown to be a risk factor for poor outcome in patients with a smoking history who had undergone surgery for pathological Stage I non-small-cell lung cancer.
      PubDate: Wed, 31 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivx441
      Issue No: Vol. 26, No. 6 (2018)
       
  • Effect of levosimendan on clinical outcomes in adult patients undergoing
           cardiac surgery: a meta-analysis of randomized controlled trials
    • Authors: Zhou X; Hu C, Xu Z, et al.
      Pages: 1016 - 1026
      Abstract: It is currently unknown whether levosimendan can improve clinical outcomes in patients undergoing cardiac surgery. This meta-analysis aimed to assess the effect of levosimendan on mortality and the duration of intensive care unit (ICU) and hospital stay in adult patients undergoing cardiac surgery. A comprehensive search for eligible articles was conducted in PubMed, OVID and Cochrane databases of clinical trials and the Web of Science from database inception to August 2017. Stata/SE 11.0 was used to calculate the pooled odds ratio for postoperative mortality and the pooled standardized mean difference (SMD) for the duration of ICU stay and hospital stay. A total of 30 randomized controlled trials were included in the final analysis; the pooled results indicated that perioperative administration of levosimendan was associated with a reduction in postoperative mortality [5.8% vs 8.5%; odds ratio 0.66, 95% confidence interval 0.50–0.86, P = 0.002; I2 = 17.1%; 25 trials; 3239 patients] and length of ICU stay (SMD −0.32, 95% CI −0.58 to 0.06, P = 0.017; I2 = 88.0%; 23 trials; 2536 patients) compared with the control group but not in length of hospital stay (SMD −0.41, 95% CI −0.89 to 0.07, P = 0.094; I2 = 95.9%; 18 trials; 2047 patients). A subanalysis was conducted for trials published after 2015, and it suggested that levosimendan could not reduce the postoperative mortality (odds ratio = 0.91, 95% CI 0.63–1.31, P = 0.626; I2 = 0.9%), length of ICU stay (SMD −0.03, 95% CI −0.32 to 0.27, P = 0.850; I2 = 81.2%) or length of hospital stay (SMD 0.06, 95%CI −0.43 to 0.54, P = 0.821; I2 = 91.3%). To summarize, the evidence from studies published in the last 3 years indicated that perioperative administration of levosimendan was not associated with better clinical outcomes in adult patients undergoing cardiac surgery.
      PubDate: Sat, 03 Feb 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivy017
      Issue No: Vol. 26, No. 6 (2018)
       
  • Does patient–prosthesis mismatch have a negative impact on outcomes
           following mitral valve replacement'
    • Authors: Aboul-Hassan S; Stankowski T, Marczak J, et al.
      Pages: 1027 - 1034
      Abstract: A best evidence topic in cardiac surgery was written according to a structured protocol. The question addressed was whether patient–prosthesis mismatch (PPM) has a negative impact on patients undergoing mitral valve replacement in terms of postoperative mortality, incidence of postoperative pulmonary hypertension (PH) and higher transmitral gradients. Altogether 103 papers were found using the reported search, 18 of which represented the best evidence to answer the clinical question. The authors, journal, date and country of publication, patient group studied, study type, relevant outcomes and results of these papers are tabulated. Overall, 8 studies with a total of 4812 patients reported that PPM has a significantly negative impact on long-term mortality, whereas 5 studies with a total of 1558 patients reported no effect on mortality. One study with a total of 2440 patients reported preoperative PH as the risk factor for increased mortality in the presence of moderate or severe PPM. Three studies evaluated the effect of PPM on postoperative PH and reported that PPM was associated with significantly increased postoperative PH. The majority of the studies reported that PPM was associated with higher peak or mean transmitral gradient and systolic pulmonary artery pressure. The results presented in these studies suggest that PPM in patients undergoing mitral valve replacement was associated with increased postoperative mean and peak transmitral gradient and higher postoperative systolic pulmonary artery pressure. PPM may be associated with increased long-term mortality. Severe PPM was directly associated with increased long-term mortality when compared with moderate or no PPM. Evidence suggests that PPM is associated with increased incidence of postoperative PH.
      PubDate: Mon, 22 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivx426
      Issue No: Vol. 26, No. 6 (2018)
       
  • Surgicel® packing remnants mimicking mediastinitis after adult
           cardiac surgery
    • Authors: Kaneyuki D; Mogi K, Sakata T, et al.
      Pages: 1035 - 1036
      Abstract: Surgicel® is one of the most commonly used bioabsorbable topical haemostatic agents. Some articles have reported that Surgicel® remnants might be misdiagnosed as an abscess. However, the number of reports in the cardiothoracic surgical field is limited. Herein, we report a 65-year-old woman who was suspected of having mediastinitis on computed tomography after redo-Bentall operation. Reoperation revealed that internal accumulation of Surgicel® remnants mimicked mediastinitis. It is important to share the use and location of Surgicel® with radiologists. If mediastinitis cannot be ruled out, the next step of reoperation or magnetic resonance imaging should be promptly taken.
      PubDate: Fri, 19 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivy006
      Issue No: Vol. 26, No. 6 (2018)
       
  • Combined minimally invasive repair of the adult form of the scimitar
           syndrome and organic mitral regurgitation
    • Authors: Inoue K; Ueno T, Hiraoka A, et al.
      Pages: 1037 - 1038
      Abstract: Scimitar syndrome is a rare congenital cardiac malformation defined as an anomalous pulmonary venous return from the right lung to the inferior vena cava. In adult patients, the surgical strategy chosen is very important because of concomitant diseases and conditions. Herein, we present a case in which a minimally invasive approach was successful for treating a combination of the adult form of the scimitar syndrome and severe degenerative mitral regurgitation.
      PubDate: Mon, 05 Feb 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivy015
      Issue No: Vol. 26, No. 6 (2018)
       
  • Thoraco-abdominal aortic aneurysm rupture in a patient with
           Shprintzen–Goldberg syndrome
    • Authors: Kimura N; Inaba Y, Kameyama K, et al.
      Pages: 1039 - 1040
      Abstract: Shprintzen–Goldberg syndrome is a rare systemic connective tissue disorder characterized by craniosynostosis, skeletal abnormalities, infantile hypotonia, mild-to-moderate intellectual disability and cardiovascular anomalies. To our knowledge, this is the first report of a Shprintzen–Goldberg syndrome patient who developed a thoraco-abdominal aortic aneurysm. The aneurysm grew rapidly necessitating emergent thoraco-abdominal aortic replacement. The postoperative course was uneventful, and a careful lifetime follow-up was planned.
      PubDate: Tue, 16 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivy003
      Issue No: Vol. 26, No. 6 (2018)
       
  • Emergency fast Bentall operation
    • Authors: Neri E; Tucci E, Tommasino G, et al.
      Pages: 1041 - 1042
      Abstract: We herein report an emergency technique of composite Bentall operation using a fast release valve. The technique was successfully performed in 2 emergency cases after failed supracoronary ascending aortic replacement in acute Type A aortic dissection. The speed and ease of execution are the main advantages of the procedure.
      PubDate: Tue, 16 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivx435
      Issue No: Vol. 26, No. 6 (2018)
       
  • A persistent giant Eustachian valve: functional tricuspid atresia in a
           newborn
    • Authors: Sideris K; Vodiskar J, Lange R, et al.
      Pages: 1043 - 1045
      Abstract: Persistent right valve of the systemic venous sinus is a rare anomaly with anatomical variations. This anomaly may present as an obstructive structure that can inhibit the antegrade flow through the tricuspid valve. We report on a 4-day-old neonate who presented with pronounced peripheral and central cyanosis. Echocardiographic examination showed a giant Eustachian valve moving towards the tricuspid valve during late systole and leading to complete obstruction of the inflow. Blood flow was redirected through the persistent foramen ovale, producing a right-to-left shunt.
      PubDate: Thu, 18 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivy004
      Issue No: Vol. 26, No. 6 (2018)
       
  • Supercharged free omental flap plombage for empyema in a patient with an
           artificial pericardium
    • Authors: Matsumoto I; Iino K, Takemura H.
      Pages: 1046 - 1048
      Abstract: Cavernostomy and fenestration were performed in a patient who developed a lung abscess and empyema in the left lung, which was damaged after multimodality therapy for advanced thymoma. The hospitalized patient suddenly experienced cardiopulmonary arrest due to major bleeding from the left main pulmonary artery. We immediately performed the main pulmonary arterial embolization, and the patient was resuscitated. Subsequently, the patient underwent supercharged free omental flap plombage performed in the following manner: first, laparoscopic harvesting of the omentum was performed in the supine position. Then, the right gastroepiploic artery and vein were anastomosed with the left axillary artery and vein, respectively. The lung cavity, bleeding point of the pulmonary artery and the surface of the artificial pericardium were filled and covered by the supercharged omentum, and the skin was closed. The postoperative course was uneventful. The patient has had no bleeding, recurrence of empyema and thymoma or skin abnormalities at 36 months postoperatively. Supercharged free omental flap plombage was a useful option for treatment of an intractable chest infection involving an artificial pericardium.
      PubDate: Fri, 02 Feb 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivy008
      Issue No: Vol. 26, No. 6 (2018)
       
  • Robotic right middle lobectomy with a subxiphoid utility port
    • Authors: Jayakumar S; Nardini M, Papoulidis P, et al.
      Pages: 1049 - 1050
      Abstract: We present the case of a 74-year-old man with Stage IIa pulmonary adenocarcinoma, for which he underwent a robotic right middle lobectomy. A 4-armed, 5-port approach was used. Four intercostal ports were created above the ninth rib using the Cerfolio’s technique. The subxiphoid port was created in the midline, 5 cm down from the xiphisternum. The robot offers higher image quality, depth perception and improved articulation of the instruments, allowing for more accurate dissection and stitching. The usage of a subxiphoid utility port reduces the clashing between instruments, offers a good angle for stapling and provides a direct view of the instruments entering into the chest. Specimen removal through the subxiphoid port may reduce postoperative pain and enhance patient recovery. The use of the subxiphoid approach as a utility port for robotic surgery is promising and may be a suitable replacement for the traditional utility port.
      PubDate: Tue, 23 Jan 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivx436
      Issue No: Vol. 26, No. 6 (2018)
       
  • Spotlight on recently published EJCTS articles
    • Pages: 1051 - 1051
      PubDate: Tue, 29 May 2018 00:00:00 GMT
      DOI: 10.1093/icvts/ivy170
      Issue No: Vol. 26, No. 6 (2018)
       
 
 
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