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Publisher: John Wiley and Sons   (Total: 1584 journals)

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Showing 1 - 200 of 1584 Journals sorted alphabetically
Abacus     Hybrid Journal   (Followers: 12, SJR: 0.48, h-index: 22)
About Campus     Hybrid Journal   (Followers: 5)
Academic Emergency Medicine     Hybrid Journal   (Followers: 58, SJR: 1.385, h-index: 91)
Accounting & Finance     Hybrid Journal   (Followers: 45, SJR: 0.547, h-index: 30)
ACEP NOW     Free   (Followers: 1)
Acta Anaesthesiologica Scandinavica     Hybrid Journal   (Followers: 51, SJR: 1.02, h-index: 88)
Acta Archaeologica     Hybrid Journal   (Followers: 137, SJR: 0.101, h-index: 9)
Acta Geologica Sinica (English Edition)     Hybrid Journal   (Followers: 3, SJR: 0.552, h-index: 41)
Acta Neurologica Scandinavica     Hybrid Journal   (Followers: 5, SJR: 1.203, h-index: 74)
Acta Obstetricia et Gynecologica Scandinavica     Hybrid Journal   (Followers: 15, SJR: 1.197, h-index: 81)
Acta Ophthalmologica     Hybrid Journal   (Followers: 5, SJR: 0.112, h-index: 1)
Acta Paediatrica     Hybrid Journal   (Followers: 56, SJR: 0.794, h-index: 88)
Acta Physiologica     Hybrid Journal   (Followers: 6, SJR: 1.69, h-index: 88)
Acta Polymerica     Hybrid Journal   (Followers: 9)
Acta Psychiatrica Scandinavica     Hybrid Journal   (Followers: 35, SJR: 2.518, h-index: 113)
Acta Zoologica     Hybrid Journal   (Followers: 6, SJR: 0.459, h-index: 29)
Acute Medicine & Surgery     Hybrid Journal   (Followers: 2)
Addiction     Hybrid Journal   (Followers: 33, SJR: 2.086, h-index: 143)
Addiction Biology     Hybrid Journal   (Followers: 12, SJR: 2.091, h-index: 57)
Adultspan J.     Hybrid Journal   (SJR: 0.127, h-index: 4)
Advanced Energy Materials     Hybrid Journal   (Followers: 24, SJR: 6.411, h-index: 86)
Advanced Engineering Materials     Hybrid Journal   (Followers: 26, SJR: 0.81, h-index: 81)
Advanced Functional Materials     Hybrid Journal   (Followers: 50, SJR: 5.21, h-index: 203)
Advanced Healthcare Materials     Hybrid Journal   (Followers: 13, SJR: 0.232, h-index: 7)
Advanced Materials     Hybrid Journal   (Followers: 249, SJR: 9.021, h-index: 345)
Advanced Materials Interfaces     Hybrid Journal   (Followers: 6, SJR: 1.177, h-index: 10)
Advanced Optical Materials     Hybrid Journal   (Followers: 5, SJR: 2.488, h-index: 21)
Advanced Science     Open Access   (Followers: 5)
Advanced Synthesis & Catalysis     Hybrid Journal   (Followers: 17, SJR: 2.729, h-index: 121)
Advances in Polymer Technology     Hybrid Journal   (Followers: 13, SJR: 0.344, h-index: 31)
Africa Confidential     Hybrid Journal   (Followers: 19)
Africa Research Bulletin: Economic, Financial and Technical Series     Hybrid Journal   (Followers: 12)
Africa Research Bulletin: Political, Social and Cultural Series     Hybrid Journal   (Followers: 9)
African Development Review     Hybrid Journal   (Followers: 35, SJR: 0.275, h-index: 17)
African J. of Ecology     Hybrid Journal   (Followers: 14, SJR: 0.477, h-index: 39)
Aggressive Behavior     Hybrid Journal   (Followers: 15, SJR: 1.391, h-index: 66)
Aging Cell     Open Access   (Followers: 10, SJR: 4.374, h-index: 95)
Agribusiness : an Intl. J.     Hybrid Journal   (Followers: 6, SJR: 0.627, h-index: 14)
Agricultural and Forest Entomology     Hybrid Journal   (Followers: 14, SJR: 0.925, h-index: 43)
Agricultural Economics     Hybrid Journal   (Followers: 44, SJR: 1.099, h-index: 51)
AIChE J.     Hybrid Journal   (Followers: 29, SJR: 1.122, h-index: 120)
Alcoholism and Drug Abuse Weekly     Hybrid Journal   (Followers: 7)
Alcoholism Clinical and Experimental Research     Hybrid Journal   (Followers: 7, SJR: 1.416, h-index: 125)
Alimentary Pharmacology & Therapeutics     Hybrid Journal   (Followers: 35, SJR: 2.833, h-index: 138)
Alimentary Pharmacology & Therapeutics Symposium Series     Hybrid Journal   (Followers: 3)
Allergy     Hybrid Journal   (Followers: 49, SJR: 3.048, h-index: 129)
Alternatives to the High Cost of Litigation     Hybrid Journal   (Followers: 3)
American Anthropologist     Hybrid Journal   (Followers: 128, SJR: 0.951, h-index: 61)
American Business Law J.     Hybrid Journal   (Followers: 24, SJR: 0.205, h-index: 17)
American Ethnologist     Hybrid Journal   (Followers: 91, SJR: 2.325, h-index: 51)
American J. of Economics and Sociology     Hybrid Journal   (Followers: 27, SJR: 0.211, h-index: 26)
American J. of Hematology     Hybrid Journal   (Followers: 31, SJR: 1.761, h-index: 77)
American J. of Human Biology     Hybrid Journal   (Followers: 12, SJR: 1.018, h-index: 58)
American J. of Industrial Medicine     Hybrid Journal   (Followers: 16, SJR: 0.993, h-index: 85)
American J. of Medical Genetics Part A     Hybrid Journal   (Followers: 15, SJR: 1.115, h-index: 61)
American J. of Medical Genetics Part B: Neuropsychiatric Genetics     Hybrid Journal   (Followers: 3, SJR: 1.771, h-index: 107)
American J. of Medical Genetics Part C: Seminars in Medical Genetics     Partially Free   (Followers: 5, SJR: 2.315, h-index: 79)
American J. of Orthopsychiatry     Hybrid Journal   (Followers: 4, SJR: 0.756, h-index: 69)
American J. of Physical Anthropology     Hybrid Journal   (Followers: 36, SJR: 1.41, h-index: 88)
American J. of Political Science     Hybrid Journal   (Followers: 252, SJR: 5.101, h-index: 114)
American J. of Primatology     Hybrid Journal   (Followers: 15, SJR: 1.197, h-index: 63)
American J. of Reproductive Immunology     Hybrid Journal   (Followers: 3, SJR: 1.347, h-index: 75)
American J. of Transplantation     Hybrid Journal   (Followers: 16, SJR: 2.792, h-index: 140)
American J. on Addictions     Hybrid Journal   (Followers: 9, SJR: 0.843, h-index: 57)
Anaesthesia     Hybrid Journal   (Followers: 120, SJR: 1.404, h-index: 88)
Analyses of Social Issues and Public Policy     Hybrid Journal   (Followers: 11, SJR: 0.397, h-index: 18)
Analytic Philosophy     Hybrid Journal   (Followers: 16)
Anatomia, Histologia, Embryologia: J. of Veterinary Medicine Series C     Hybrid Journal   (Followers: 3, SJR: 0.295, h-index: 27)
Anatomical Sciences Education     Hybrid Journal   (Followers: 1, SJR: 0.633, h-index: 24)
Andrologia     Hybrid Journal   (Followers: 2, SJR: 0.528, h-index: 45)
Andrology     Hybrid Journal   (Followers: 2, SJR: 0.979, h-index: 14)
Angewandte Chemie     Hybrid Journal   (Followers: 159)
Angewandte Chemie Intl. Edition     Hybrid Journal   (Followers: 210, SJR: 6.229, h-index: 397)
Animal Conservation     Hybrid Journal   (Followers: 34, SJR: 1.576, h-index: 62)
Animal Genetics     Hybrid Journal   (Followers: 8, SJR: 0.957, h-index: 67)
Animal Science J.     Hybrid Journal   (Followers: 6, SJR: 0.569, h-index: 24)
Annalen der Physik     Hybrid Journal   (Followers: 5, SJR: 1.46, h-index: 40)
Annals of Anthropological Practice     Partially Free   (Followers: 2, SJR: 0.187, h-index: 5)
Annals of Applied Biology     Hybrid Journal   (Followers: 8, SJR: 0.816, h-index: 56)
Annals of Clinical and Translational Neurology     Open Access   (Followers: 1)
Annals of Human Genetics     Hybrid Journal   (Followers: 9, SJR: 1.191, h-index: 67)
Annals of Neurology     Hybrid Journal   (Followers: 44, SJR: 5.584, h-index: 241)
Annals of Noninvasive Electrocardiology     Hybrid Journal   (Followers: 2, SJR: 0.531, h-index: 38)
Annals of Public and Cooperative Economics     Hybrid Journal   (Followers: 9, SJR: 0.336, h-index: 23)
Annals of the New York Academy of Sciences     Hybrid Journal   (Followers: 5, SJR: 2.389, h-index: 189)
Annual Bulletin of Historical Literature     Hybrid Journal   (Followers: 12)
Annual Review of Information Science and Technology     Hybrid Journal   (Followers: 14)
Anthropology & Education Quarterly     Hybrid Journal   (Followers: 24, SJR: 0.72, h-index: 31)
Anthropology & Humanism     Hybrid Journal   (Followers: 16, SJR: 0.137, h-index: 3)
Anthropology News     Hybrid Journal   (Followers: 14)
Anthropology of Consciousness     Hybrid Journal   (Followers: 11, SJR: 0.172, h-index: 5)
Anthropology of Work Review     Hybrid Journal   (Followers: 11, SJR: 0.256, h-index: 5)
Anthropology Today     Hybrid Journal   (Followers: 93, SJR: 0.545, h-index: 15)
Antipode     Hybrid Journal   (Followers: 45, SJR: 2.212, h-index: 69)
Anz J. of Surgery     Hybrid Journal   (Followers: 6, SJR: 0.432, h-index: 59)
Anzeiger für Schädlingskunde     Hybrid Journal   (Followers: 1)
Apmis     Hybrid Journal   (Followers: 1, SJR: 0.855, h-index: 73)
Applied Cognitive Psychology     Hybrid Journal   (Followers: 67, SJR: 0.754, h-index: 69)
Applied Organometallic Chemistry     Hybrid Journal   (Followers: 7, SJR: 0.632, h-index: 58)
Applied Psychology     Hybrid Journal   (Followers: 136, SJR: 1.023, h-index: 64)
Applied Psychology: Health and Well-Being     Hybrid Journal   (Followers: 48, SJR: 0.868, h-index: 13)
Applied Stochastic Models in Business and Industry     Hybrid Journal   (Followers: 5, SJR: 0.613, h-index: 24)
Aquaculture Nutrition     Hybrid Journal   (Followers: 14, SJR: 1.025, h-index: 55)
Aquaculture Research     Hybrid Journal   (Followers: 31, SJR: 0.807, h-index: 60)
Aquatic Conservation Marine and Freshwater Ecosystems     Hybrid Journal   (Followers: 34, SJR: 1.047, h-index: 57)
Arabian Archaeology and Epigraphy     Hybrid Journal   (Followers: 11, SJR: 0.453, h-index: 11)
Archaeological Prospection     Hybrid Journal   (Followers: 12, SJR: 0.922, h-index: 21)
Archaeology in Oceania     Hybrid Journal   (Followers: 13, SJR: 0.745, h-index: 18)
Archaeometry     Hybrid Journal   (Followers: 27, SJR: 0.809, h-index: 48)
Archeological Papers of The American Anthropological Association     Hybrid Journal   (Followers: 14, SJR: 0.156, h-index: 2)
Architectural Design     Hybrid Journal   (Followers: 25, SJR: 0.261, h-index: 9)
Archiv der Pharmazie     Hybrid Journal   (Followers: 4, SJR: 0.628, h-index: 43)
Archives of Drug Information     Hybrid Journal   (Followers: 4)
Archives of Insect Biochemistry and Physiology     Hybrid Journal   (SJR: 0.768, h-index: 54)
Area     Hybrid Journal   (Followers: 12, SJR: 0.938, h-index: 57)
Art History     Hybrid Journal   (Followers: 215, SJR: 0.153, h-index: 13)
Arthritis & Rheumatology     Hybrid Journal   (Followers: 51, SJR: 1.984, h-index: 20)
Arthritis Care & Research     Hybrid Journal   (Followers: 28, SJR: 2.256, h-index: 114)
Artificial Organs     Hybrid Journal   (Followers: 1, SJR: 0.872, h-index: 60)
ASHE Higher Education Reports     Hybrid Journal   (Followers: 14)
Asia & the Pacific Policy Studies     Open Access   (Followers: 14)
Asia Pacific J. of Human Resources     Hybrid Journal   (Followers: 316, SJR: 0.494, h-index: 19)
Asia Pacific Viewpoint     Hybrid Journal   (SJR: 0.616, h-index: 26)
Asia-Pacific J. of Chemical Engineering     Hybrid Journal   (Followers: 7, SJR: 0.345, h-index: 20)
Asia-pacific J. of Clinical Oncology     Hybrid Journal   (Followers: 6, SJR: 0.554, h-index: 14)
Asia-Pacific J. of Financial Studies     Hybrid Journal   (SJR: 0.241, h-index: 7)
Asia-Pacific Psychiatry     Hybrid Journal   (Followers: 3, SJR: 0.377, h-index: 7)
Asian Economic J.     Hybrid Journal   (Followers: 8, SJR: 0.234, h-index: 21)
Asian Economic Policy Review     Hybrid Journal   (Followers: 4, SJR: 0.196, h-index: 12)
Asian J. of Control     Hybrid Journal   (SJR: 0.862, h-index: 34)
Asian J. of Endoscopic Surgery     Hybrid Journal   (SJR: 0.394, h-index: 7)
Asian J. of Organic Chemistry     Hybrid Journal   (Followers: 4, SJR: 1.443, h-index: 19)
Asian J. of Social Psychology     Hybrid Journal   (Followers: 5, SJR: 0.665, h-index: 37)
Asian Politics and Policy     Hybrid Journal   (Followers: 13, SJR: 0.207, h-index: 7)
Asian Social Work and Policy Review     Hybrid Journal   (Followers: 5, SJR: 0.318, h-index: 5)
Asian-pacific Economic Literature     Hybrid Journal   (Followers: 5, SJR: 0.168, h-index: 15)
Assessment Update     Hybrid Journal   (Followers: 4)
Astronomische Nachrichten     Hybrid Journal   (Followers: 2, SJR: 0.701, h-index: 40)
Atmospheric Science Letters     Open Access   (Followers: 29, SJR: 1.332, h-index: 27)
Austral Ecology     Hybrid Journal   (Followers: 12, SJR: 1.095, h-index: 66)
Austral Entomology     Hybrid Journal   (Followers: 10, SJR: 0.524, h-index: 28)
Australasian J. of Dermatology     Hybrid Journal   (Followers: 8, SJR: 0.714, h-index: 40)
Australasian J. On Ageing     Hybrid Journal   (Followers: 7, SJR: 0.39, h-index: 22)
Australian & New Zealand J. of Statistics     Hybrid Journal   (Followers: 13, SJR: 0.275, h-index: 28)
Australian Accounting Review     Hybrid Journal   (Followers: 4, SJR: 0.709, h-index: 14)
Australian and New Zealand J. of Family Therapy (ANZJFT)     Hybrid Journal   (Followers: 3, SJR: 0.382, h-index: 12)
Australian and New Zealand J. of Obstetrics and Gynaecology     Hybrid Journal   (Followers: 43, SJR: 0.814, h-index: 49)
Australian and New Zealand J. of Public Health     Hybrid Journal   (Followers: 11, SJR: 0.82, h-index: 62)
Australian Dental J.     Hybrid Journal   (Followers: 6, SJR: 0.482, h-index: 46)
Australian Economic History Review     Hybrid Journal   (Followers: 4, SJR: 0.171, h-index: 12)
Australian Economic Papers     Hybrid Journal   (Followers: 23, SJR: 0.23, h-index: 9)
Australian Economic Review     Hybrid Journal   (Followers: 6, SJR: 0.357, h-index: 21)
Australian Endodontic J.     Hybrid Journal   (Followers: 3, SJR: 0.513, h-index: 24)
Australian J. of Agricultural and Resource Economics     Hybrid Journal   (Followers: 3, SJR: 0.765, h-index: 36)
Australian J. of Grape and Wine Research     Hybrid Journal   (Followers: 5, SJR: 0.879, h-index: 56)
Australian J. of Politics & History     Hybrid Journal   (Followers: 13, SJR: 0.203, h-index: 14)
Australian J. of Psychology     Hybrid Journal   (Followers: 17, SJR: 0.384, h-index: 30)
Australian J. of Public Administration     Hybrid Journal   (Followers: 388, SJR: 0.418, h-index: 29)
Australian J. of Rural Health     Hybrid Journal   (Followers: 4, SJR: 0.43, h-index: 34)
Australian Occupational Therapy J.     Hybrid Journal   (Followers: 66, SJR: 0.59, h-index: 29)
Australian Psychologist     Hybrid Journal   (Followers: 11, SJR: 0.331, h-index: 31)
Australian Veterinary J.     Hybrid Journal   (Followers: 19, SJR: 0.459, h-index: 45)
Autism Research     Hybrid Journal   (Followers: 31, SJR: 2.126, h-index: 39)
Autonomic & Autacoid Pharmacology     Hybrid Journal   (SJR: 0.371, h-index: 29)
Banks in Insurance Report     Hybrid Journal   (Followers: 1)
Basic & Clinical Pharmacology & Toxicology     Hybrid Journal   (Followers: 10, SJR: 0.539, h-index: 70)
Basic and Applied Pathology     Open Access   (Followers: 2, SJR: 0.113, h-index: 4)
Basin Research     Hybrid Journal   (Followers: 3, SJR: 1.54, h-index: 60)
Bauphysik     Hybrid Journal   (Followers: 2, SJR: 0.194, h-index: 5)
Bauregelliste A, Bauregelliste B Und Liste C     Hybrid Journal  
Bautechnik     Hybrid Journal   (Followers: 1, SJR: 0.321, h-index: 11)
Behavioral Interventions     Hybrid Journal   (Followers: 9, SJR: 0.297, h-index: 23)
Behavioral Sciences & the Law     Hybrid Journal   (Followers: 23, SJR: 0.736, h-index: 57)
Berichte Zur Wissenschaftsgeschichte     Hybrid Journal   (Followers: 9, SJR: 0.11, h-index: 5)
Beton- und Stahlbetonbau     Hybrid Journal   (Followers: 2, SJR: 0.493, h-index: 14)
Biochemistry and Molecular Biology Education     Hybrid Journal   (Followers: 6, SJR: 0.311, h-index: 26)
Bioelectromagnetics     Hybrid Journal   (Followers: 1, SJR: 0.568, h-index: 64)
Bioengineering & Translational Medicine     Open Access  
BioEssays     Hybrid Journal   (Followers: 10, SJR: 3.104, h-index: 155)
Bioethics     Hybrid Journal   (Followers: 14, SJR: 0.686, h-index: 39)
Biofuels, Bioproducts and Biorefining     Hybrid Journal   (Followers: 1, SJR: 1.725, h-index: 56)
Biological J. of the Linnean Society     Hybrid Journal   (Followers: 14, SJR: 1.172, h-index: 90)
Biological Reviews     Hybrid Journal   (Followers: 3, SJR: 6.469, h-index: 114)
Biologie in Unserer Zeit (Biuz)     Hybrid Journal   (Followers: 42, SJR: 0.12, h-index: 1)
Biology of the Cell     Full-text available via subscription   (Followers: 9, SJR: 1.812, h-index: 69)
Biomedical Chromatography     Hybrid Journal   (Followers: 6, SJR: 0.572, h-index: 49)
Biometrical J.     Hybrid Journal   (Followers: 5, SJR: 0.784, h-index: 44)
Biometrics     Hybrid Journal   (Followers: 36, SJR: 1.906, h-index: 96)
Biopharmaceutics and Drug Disposition     Hybrid Journal   (Followers: 10, SJR: 0.715, h-index: 44)
Biopolymers     Hybrid Journal   (Followers: 18, SJR: 1.199, h-index: 104)
Biotechnology and Applied Biochemistry     Hybrid Journal   (Followers: 45, SJR: 0.415, h-index: 55)
Biotechnology and Bioengineering     Hybrid Journal   (Followers: 135, SJR: 1.633, h-index: 146)
Biotechnology J.     Hybrid Journal   (Followers: 13, SJR: 1.185, h-index: 51)
Biotechnology Progress     Hybrid Journal   (Followers: 39, SJR: 0.736, h-index: 101)
Biotropica     Hybrid Journal   (Followers: 18, SJR: 1.374, h-index: 71)
Bipolar Disorders     Hybrid Journal   (Followers: 10, SJR: 2.592, h-index: 100)
Birth     Hybrid Journal   (Followers: 34, SJR: 0.763, h-index: 64)
Birth Defects Research Part A : Clinical and Molecular Teratology     Hybrid Journal   (Followers: 2, SJR: 0.727, h-index: 77)
Birth Defects Research Part B: Developmental and Reproductive Toxicology     Hybrid Journal   (Followers: 5, SJR: 0.468, h-index: 47)
Birth Defects Research Part C : Embryo Today : Reviews     Hybrid Journal   (SJR: 1.513, h-index: 55)

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Journal Cover Anaesthesia
  [SJR: 1.404]   [H-I: 88]   [120 followers]  Follow
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 0003-2409 - ISSN (Online) 1365-2044
   Published by John Wiley and Sons Homepage  [1584 journals]
  • The association between peri-operative acute risk change (ARC) and
           long-term survival after cardiac surgery
    • Authors: T. G. Coulson; M. Bailey, C. M. Reid, L. Tran, D. V. Mullany, J. A. Smith, D. Pilcher
      Abstract: Acute risk change has been described as the difference in calculated mortality risk between the pre-operative and postoperative periods of cardiac surgery. We aimed to assess whether this was associated with long-term survival after cardiac surgery. We retrospectively analysed 22,570 cardiac surgical patients, with minimum and maximum follow-up of 1.0 and 6.7 years. Acute risk change was calculated as the arithmetic difference between pre- and postoperative mortality risk. ‘Rising risk’ represented an increase in risk from pre- to postoperative phase. The primary outcome was one-year mortality. Secondary outcomes included mortality at 3 and 5 years and time to death. Univariable and multivariable analyses were undertaken to examine the relationship between acute risk change and outcomes. Rising risk was associated with higher mortality (5.6% vs. 3.5%, p < 0.001). After adjusting for baseline risk, rising risk was independently associated with increased 1-year mortality (OR 2.6, 95%CI 2.2–3.0, p < 0.001). The association of rising risk with long-term survival was greatest in patients with highest baseline risk. Cox regression confirmed rising risk was associated with shorter time to death (HR 1.86, 1.68–2.05, p < 0.001). Acute risk change may represent peri-operative clinical events in combination with unmeasured patient risk and noise. Measuring risk change could potentially identify patterns of events that may be amenable to investigation and intervention. Further work with case review, and risk scoring with shared variables, may identify mechanisms, including the interaction between miscalibration of risk and true differences in peri-operative care.
      PubDate: 2017-07-13T00:10:25.677951-05:
      DOI: 10.1111/anae.13967
  • Arterial to end-tidal carbon dioxide difference in children undergoing
           mechanical ventilation of the lungs during general anaesthesia
    • Authors: C. Onodi; P. K. Bühler, J. Thomas, A. Schmitz, M. Weiss
      Abstract: Capnography (ETCO2) is routinely used as a non-invasive estimate of arterial carbon dioxide (PaCO2) levels in order to modify ventilatory settings, whereby it is assumed that there is a positive gap between PaCO2 and ETCO2 of approximately 0.5 kPa. However, negative values (ETCO2 > PaCO2) can be observed. We retrospectively analysed arterial to end-tidal carbon dioxide differences in 799 children undergoing general anaesthesia with mechanical ventilation of the lungs in order to elucidate predictors for a negative gap. A total of 2452 blood gas analysis readings with complete vital sign monitoring, anaesthesia gas analysis and spirometry data were analysed. Mean arterial to end-tidal carbon dioxide difference was −0.18 kPa (limits of 95% agreement −1.10 to 0.74) and 71.2% of samples demonstrated negative values. The intercept model revealed PaCO2 to be the strongest predictor for a negative PaCO2-ETCO2 difference. A decrease in PaCO2 by 1 kPa resulted in a decrease in the PaCO2-ETCO2 difference by 0.23 kPa. This study demonstrates that ETCO2 monitoring in children whose lungs are mechanically ventilated may paradoxically lead to overestimation of ETCO2 (ETCO2 > PaCO2) with a subsequent risk of unrecognised hypocarbia.
      PubDate: 2017-07-11T06:21:29.359469-05:
      DOI: 10.1111/anae.13969
  • Ultrasonographic gastric volume before unplanned surgery
    • Authors: G. Dupont; J. Gavory, P. Lambert, N. Tsekouras, N. Barbe, E. Presles, L. Bouvet, S. Molliex
      Abstract: We aimed to measure gastric antral cross-sectional area with ultrasound and estimate the gastric volume of 300 patients before unplanned surgery, fasted for at least six hours. Measurements were successfully recorded in 263 semi-recumbent patients. The median (IQR [range]) area was 333 (241–472 [28–1803]) mm2 and the mean (SD) estimated volume was 45.8 (34.0) ml. The area exceeded 410 mm2 in 92/263 (35%) measurements. Body mass index and morphine administration were associated with larger gastric areas on multivariable linear regression analysis, with beta coefficient (95%CI) 0.02 (0.01–0.04), p = 0.01, 0.23 (0.01–0.46), p = 0.04, respectively. Fasting time was not associated with gastric area and therefore could not substitute for ultrasound measurements in this cohort.
      PubDate: 2017-07-11T06:21:23.47474-05:0
      DOI: 10.1111/anae.13963
  • Sugammadex: when should we be giving it'
    • Authors: C. R. Bailey
      PubDate: 2017-07-11T06:21:20.029114-05:
      DOI: 10.1111/anae.13960
  • Strength of commonly used spinal needles: the ability to deform and resist
    • Authors: A. Pillai; R. S. Monteiro, S. W. Choi, S. M. Yentis, D. Bogod
      Abstract: We investigated the strength of commonly used spinal needles in relation to the amount of deformation, and registered forces during standardised testing. We investigated differences between manufacturers for the same length and gauge of Luer and non-Luer needles, and examined the effect of the internal stylet in terms of needle strength. A specialised rig was designed to perform the testing in both the horizontal and axial plane, reflecting common industrial tests and clinical use. Needles from four commonly used manufacturers were used (Vygon, Becton Dickinson, B Braun, and Pajunk). Needles of 25 G and 27 G were tested in 90-mm and 120-mm lengths. We found significant differences in terms of the size of final deformation and ‘toughness’/resistance to deformation between needles of different brands. There were also significant differences between horizontal tests conducted as an industry standard and our own axial test. This may have bearing on clinical use in terms of the incidence of bending and breakage. The presence of the internal stylet resulted in significantly greater toughness in many needles, but had little effect on the degree of deformation. Comparison of Luer and non-Luer needles of the same brand and size showed few significant differences in strength. This result is reassuring, given the imminent change from Luer to non-Luer needles that is to occur in the UK.
      PubDate: 2017-07-11T06:21:09.603837-05:
      DOI: 10.1111/anae.13959
  • Withdrawal of treatment after devastating brain injury: post-cardiac
           arrest pathways lead in best practice
    • Authors: A. R. Manara; D. K. Menon
      PubDate: 2017-07-11T06:20:24.991451-05:
      DOI: 10.1111/anae.13966
  • For nature cannot be fooled. Why we need to talk about fatigue
    • Authors: M. Farquhar
      PubDate: 2017-07-05T23:16:15.051441-05:
      DOI: 10.1111/anae.13982
  • A national survey of the effects of fatigue on trainees in anaesthesia in
           the UK
    • Authors: L. McClelland; J. Holland, J.-P. Lomas, N. Redfern, E. Plunkett
      Abstract: Long daytime and overnight shifts remain a major feature of working life for trainees in anaesthesia. Over the past 10 years, there has been an increase in awareness and understanding of the potential effects of fatigue on both the doctor and the patient. The Working Time Regulations (1998) implemented the European Working Time Directive into UK law, and in August 2009 it was applied to junior doctors, reducing the maximum hours worked from an average of 56 per week to 48. Despite this, there is evidence that problems with inadequate rest and fatigue persist. There is no official guidance regarding provision of a minimum standard of rest facilities for doctors in the National Health Service, and the way in which rest is achieved by trainee anaesthetists during their on-call shift depends on rota staffing and workload. We conducted a national survey to assess the incidence and effects of fatigue among the 3772 anaesthetists in training within the UK. We achieved a response rate of 59% (2231/3772 responses), with data from 100% of NHS trusts. Fatigue remains prevalent among junior anaesthetists, with reports that it has effects on physical health (73.6% [95%CI 71.8–75.5]), psychological wellbeing (71.2% [69.2–73.1]) and personal relationships (67.9% [65.9–70.0]). The most problematic factor remains night shift work, with many respondents commenting on the absence of breaks, inadequate rest facilities and 57.0% (55.0–59.1) stating they had experienced an accident or near-miss when travelling home from night shifts. We discuss potential explanations for the results, and present a plan to address the issues raised by this survey, aiming to change the culture around fatigue for the better.
      PubDate: 2017-07-05T23:06:08.67587-05:0
      DOI: 10.1111/anae.13965
  • Medical identification or alert jewellery: an opportunity to save lives or
           an unreliable hindrance'
    • Authors: S. Rahman; D. Walker, P. Sultan
      Abstract: Medical identification jewellery can convey vital information to emergency responders, but mistakes and ambiguity may lead to misdiagnosis and morbidity. We performed a review of relevant articles retrieved from Pubmed®, Embase® and Scopus® and Google UK Inc. to investigate the commercial availability and issuance of these products. From 84 identified studies, we shortlisted 74 for review. The Google search retrieved 1,090,000 results within 0.57 s (January 2017). We explored 32 websites selling medical alert jewellery in the first five pages of these results. We found that patients themselves are currently responsible for the engraved wording on medical alert jewellery, with no mandatory physician checks. The accuracy and appropriateness of this information may thus vary. In the absence of national guidance in the UK, we suggest that there should be a list of specific indications warranting their use, a requirement for regular review of information, and clarity around the level of physician input into the engraving chosen. We discuss the potential benefits vs. risks of wearing medical alert jewellery and clarify the limitations of medical teams’ responsibilities in relation to patients found to be wearing them.
      PubDate: 2017-07-05T06:45:25.034757-05:
      DOI: 10.1111/anae.13958
  • A survey of UK peri-operative medicine: pre-operative care
    • Authors: A.-M. Bougeard; A. Brent, M. Swart, C. Snowden
      Abstract: The majority of UK hospitals now have a Local Lead for Peri-operative Medicine (n = 115). They were asked to take part in an online survey to identify provision and practice of pre-operative assessment and optimisation in the UK. We received 86 completed questionnaires (response rate 75%). Our results demonstrate strengths in provision of shared decision-making clinics. Fifty-seven (65%, 95%CI 55.8–75.4%) had clinics for high-risk surgical patients. However, 80 (93%, 70.2–87.2%) expressed a desire for support and training in shared decision-making. We asked about management of pre-operative anaemia, and identified that 69 (80%, 71.5–88.1%) had a screening process for anaemia, with 72% and 68% having access to oral and intravenous iron therapy, respectively. A need for peri-operative support in managing frailty and cognitive impairment was identified, as few (24%, 6.5–34.5%) respondents indicated that they had access to specific interventions. Respondents were asked to rank their ‘top five’ priority topics in Peri-operative Medicine from a list of 22. These were: shared decision-making; peri-operative team development; frailty screening and its management; postoperative morbidity prediction; and primary care collaboration. We found variation in practice across the UK, and propose to further explore this variation by examining barriers and facilitators to improvement, and highlighting examples of good practice.
      PubDate: 2017-06-14T05:50:25.663737-05:
      DOI: 10.1111/anae.13934
  • A randomised, controlled trial evaluating a low cost, 3D-printed
           bronchoscopy simulator
    • Authors: T. H. Pedersen; J. Gysin, A. Wegmann, M. Osswald, S. R. Ott, L. Theiler, R. Greif
      Abstract: Low-fidelity, simulation-based psychomotor skills training is a valuable first step in the educational approach to mastering complex procedural skills. We developed a cost-effective bronchial tree simulator based on a human thorax computed tomography scan using rapid-prototyping (3D-print) technology. This randomised, single-blind study evaluated how realistic our 3D-printed simulator would mimic human anatomy compared with commercially available bronchial tree simulators (Laerdal® Airway Management Trainer with Bronchial Tree and AirSim Advance Bronchi, Stavanger, Norway). Thirty experienced anaesthetists and respiratory physicians used a fibreoptic bronchoscope to rate each simulator on a visual analogue scale (VAS) (0 mm = completely unrealistic anatomy, 100 mm = indistinguishable from real patient) for: localisation of the right upper lobe bronchial lumen; placement of a bronchial blocker in the left main bronchus; aspiration of fluid from the right lower lobe; and overall realism. The 3D-printed simulator was rated most realistic for the localisation of the right upper lobe bronchial lumen (p = 0.002), but no differences were found in placement of a bronchial blocker or for aspiration of fluid (p = 0.792 and p = 0.057) compared with using the commercially available simulators. Overall, the 3D-printed simulator was rated most realistic (p = 0.021). Given the substantially lower costs for the 3D-printed simulator (£85 (€100/US$110) compared with> ~ £2000 (€2350/US$2590) for the commercially available simulators), our 3D-printed simulator provides an inexpensive alternative for learning bronchoscopy skills, and offers the possibility of practising procedures on patient-specific models before attempting them in clinical practice.
      PubDate: 2017-06-12T00:55:20.431304-05:
      DOI: 10.1111/anae.13951
  • In search of consensus on ethics in airway research
    • Authors: T. M. Cook; L. V. Duggan, M. S. Kristensen
      PubDate: 2017-06-12T00:50:19.609681-05:
      DOI: 10.1111/anae.13961
  • Pre-operative brachial plexus block compared with an identical block
           performed at the end of surgery: a prospective, double-blind, randomised
           clinical trial
    • Authors: A. Holmberg; A. R. Sauter, Ø. Klaastad, T. Drægni, J. C. Ræder
      Abstract: We evaluated whether pre-emptive analgesia with a pre-operative ultrasound-guided infraclavicular brachial plexus block resulted in better postoperative analgesia than an identical block performed postoperatively. Fifty-two patients undergoing fixation of a fractured radius were included. All patients received general anaesthesia with remifentanil and propofol. Patients were randomly allocated into two groups: a pre-operative block or a postoperative block with 0.5−1 ropivacaine 0.75%. After surgery, all patients received regular paracetamol plus opioids for breakthrough pain. Mean (SD) time to first rescue analgesic after emergence from general anaesthesia was 544 (217) min in the pre-operative block group compared with 343 (316) min in the postoperative block group (p = 0.015). Postoperative pain scores were higher and more patients required rescue analgesia during the first 4 h after surgery in the postoperative block group. There were no significant differences in plasma stress mediators between the groups. Analgesic consumption was lower at day seven in the pre-operative block group. Pain was described as very strong at block resolution in 27 (63%) patients and 26 (76%) had episodes of mild pain after 6 months. We conclude that a pre-operative ultrasound-guided infraclavicular brachial plexus block provides longer and better analgesia in the acute postoperative period compared with an identical postoperative block in patients undergoing surgery for fractured radius.
      PubDate: 2017-06-12T00:46:22.198547-05:
      DOI: 10.1111/anae.13939
  • An analysis of the delivery of anaesthetic training sessions in the United
    • Authors: A. Green; K. C. Tatham, S. M. Yentis, J. Wilson, M. Cox
      Abstract: We analysed data from the electronic rota system CLWRota, covering 2,689,962 anaesthetic sessions between 01/01/2014 and 31/12/2015, in 91 UK Trusts, in order to investigate trainees’ supervision. There were 8209 trainee attachments analysed, during which 618,695 sessions were undertaken by trainees. The number of supervised sessions per week that trainees worked varied considerably (median (IQR [range]) 2.6 (1.6–3.6 [0–10]) for all grades combined), with senior trainees more likely than junior trainees to be supervised for fewer than the three sessions per week mandated by the Royal College of Anaesthetists. The number of supervised sessions was unrelated to Trusts’ size, suggesting that trainees in smaller hospitals receive the same level of supervision as in larger teaching hospitals. Analysis of a dataset of this size should be a good reflection of the delivery of anaesthesia training in the UK.
      PubDate: 2017-06-06T02:00:22.293488-05:
      DOI: 10.1111/anae.13950
  • Understanding mortality rates after hip fracture repair using ASA physical
           status in the National Hip Fracture Database
    • Authors: A. Johansen; C. Tsang, C. Boulton, R. Wakeman, I. Moppett
      Abstract: Hip fracture is the most common reason for older patients to need emergency anaesthesia and surgery. Up to one-third of patients die in the year after hip fracture, but this view of outcome may encourage therapeutic nihilism in peri-operative decisions and discussions. We used a multicentre national dataset to examine relative and absolute mortality rates for patients presenting with hip fracture, stratified by ASA physical status. We analysed ASA physical status, dates of surgery, death and hospital discharge for 59,369 out of 64,864 patients in the 2015 National Hip Fracture Database; 3914 (6.6%) of whom died in hospital. Rates of death in hospital were 1.8% in ASA 1–2 patients compared with 16.5% in ASA 4 patients. Survival rates for ASA 4 patients on each of the first three postoperative days were: 98.8%, 99.1% and 99.1% (compared with figures of> 99.9% in ASA 1–2 patients over these days). Survival on postoperative day 6 was 99.4% for ASA 4 patients. Nearly half (48.6%) of the 1427 patients who did not have surgery died in hospital. Although technically sound, a focus on cumulative and relative risk of mortality may frame discussions in an unduly negative fashion, discouraging surgeons and anaesthetists from offering an operation, and deterring patients and their loved ones from agreeing to it. A more optimistic and pragmatic explanation that over 98% of ASA 4 patients survive both the day of surgery and the day after it, may be more appropriate.
      PubDate: 2017-06-06T01:55:35.870057-05:
      DOI: 10.1111/anae.13908
  • Widening the search for suspect data – is the flood of retractions about
           to become a tsunami'
    • Authors: J. A. Loadsman; T. J. McCulloch
      PubDate: 2017-06-04T23:15:20.356677-05:
      DOI: 10.1111/anae.13962
  • Data fabrication and other reasons for non-random sampling in 5087
    • Authors: J. B. Carlisle
      Abstract: Randomised, controlled trials have been retracted after publication because of data fabrication and inadequate ethical approval. Fabricated data have included baseline variables, for instance, age, height or weight. Statistical tests can determine the probability of the distribution of means, given their standard deviation and the number of participants in each group. Randomised, controlled trials have been retracted after the data distributions have been calculated as improbable. Most retracted trials have been written by anaesthetists and published by specialist anaesthetic journals. I wanted to explore whether the distribution of baseline data in trials was consistent with the expected distribution. I wanted to determine whether trials retracted after publication had distributions different to trials that have not been retracted. I wanted to determine whether data distributions in trials published in specialist anaesthetic journals have been different to distributions in non-specialist medical journals. I analysed the distribution of 72,261 means of 29,789 variables in 5087 randomised, controlled trials published in eight journals between January 2000 and December 2015: Anaesthesia (399); Anesthesia and Analgesia (1288); Anesthesiology (541); British Journal of Anaesthesia (618); Canadian Journal of Anesthesia (384); European Journal of Anaesthesiology (404); Journal of the American Medical Association (518) and New England Journal of Medicine (935). I chose these journals as I had electronic access to the full text. Trial p values were distorted by an excess of baseline means that were similar and an excess that were dissimilar: 763/5015 (15.2%) trials that had not been retracted from publication had p values that were within 0.05 of 0 or 1 (expected 10%), that is, a 5.2% excess, p = 1.2 × 10−7. The p values of 31/72 (43%) trials that had been retracted after publication were within 0.05 of 0 or 1, a rate different to that for unretracted trials, p = 1.03 × 10−10. The difference between the distributions of these two subgroups was confirmed by comparison of their overall distributions, p = 5.3 × 10−15. Each journal exhibited the same abnormal distribution of baseline means. There was no difference in distributions of baseline means for 1453 trials in non-anaesthetic journals and 3634 trials in anaesthetic journals, p = 0.30. The rate of retractions from JAMA and NEJM, 6/1453 or 1 in 242, was one-quarter the rate from the six anaesthetic journals, 66/3634 or 1 in 55, relative risk (99%CI) 0.23 (0.08–0.68), p = 0.00022. A probability threshold of 1 in 10,000 identified 8/72 (11%) retracted trials (7 by Fujii et al.) and 82/5015 (1.6%) unretracted trials. Some p values were so extreme that the baseline data could not be correct: for instance, for 43/5015 unretracted trials the probability was less than 1 in 1015 (equivalent to one drop of water in 20,000 Olympic-sized swimming pools). A probability threshold of 1 in 100 for two or more trials by the same author identified three authors of retracted trials (Boldt, Fujii and Reuben) and 21 first or corresponding authors of 65 unretracted trials. Fraud, unintentional error, correlation, stratified allocation and poor methodology might have contributed to the excess of randomised, controlled trials with similar or dissimilar means, a pattern that was common to all the surveyed journals. It is likely that this work will lead to the identification, correction and retraction of hitherto unretracted randomised, controlled trials.
      PubDate: 2017-06-04T23:10:30.128868-05:
      DOI: 10.1111/anae.13938
  • Patient controlled analgesia: effective and cost-effective management of
           acute pain within the Emergency Department'
    • Authors: B. Doleman; J. P. Williams
      PubDate: 2017-05-27T01:10:23.678475-05:
      DOI: 10.1111/anae.13893
  • The cost-effectiveness of patient-controlled analgesia vs. standard care
           in patients presenting to the emergency department in pain, who are
           subsequently admitted to hospital
    • Authors: C. Pritchard; J. E. Smith, S. Creanor, R. Squire, A. Barton, J. Benger, L. Cocking, P. Ewings, M. Rockett,
      Abstract: The clinical effectiveness of patient-controlled analgesia has been demonstrated in a variety of settings. However, patient-controlled analgesia is rarely utilised in the emergency department. The aim of this study was to compare the cost-effectiveness of patient-controlled analgesia vs. standard care in participants admitted to hospital from the emergency department with pain due to traumatic injury or non-traumatic abdominal pain. Pain scores were measured hourly for 12 h using a visual analogue scale. Cost-effectiveness was measured as the additional cost per hour in moderate to severe pain avoided by using patient-controlled analgesia rather than standard care (the incremental cost-effectiveness ratio). Sampling variation was estimated using bootstrap methods and the effects of parameter uncertainty explored in a sensitivity analysis. The cost per hour in moderate or severe pain averted was estimated as £24.77 (€29.05, US$30.80) (bootstrap estimated 95%CI £8.72 to £89.17) for participants suffering pain from traumatic injuries and £15.17 (€17.79, US$18.86) (bootstrap estimate 95%CI £9.03 to £46.00) for participants with non-traumatic abdominal pain. Overall costs were higher with patient-controlled analgesia than standard care in both groups: pain from traumatic injuries incurred an additional £18.58 (€21.79 US$23.10) (95%CI £15.81 to £21.35) per 12 h; and non-traumatic abdominal pain an additional £20.18 (€23.67 US$25.09) (95%CI £19.45 to £20.84) per 12 h.
      PubDate: 2017-05-26T01:05:25.724515-05:
      DOI: 10.1111/anae.13932
  • What should we do when traditional research fails'
    • Authors: D. Murray
      PubDate: 2017-05-25T06:40:22.209742-05:
      DOI: 10.1111/anae.13935
  • The added value of cardiac index and pulse pressure variation monitoring
           to mean arterial pressure-guided volume therapy in moderate-risk abdominal
           surgery (COGUIDE): a pragmatic multicentre randomised controlled trial
    • Authors: J. Stens; J.-P. Hering, C. W. P. Hoeven, A. Boom, H. S. Traast, L. E. Garmers, S. A. Loer, C. Boer
      Abstract: There is disagreement regarding the benefits of goal-directed therapy in moderate-risk abdominal surgery. Therefore, we tested the hypothesis that the addition of non-invasive cardiac index and pulse pressure variation monitoring to mean arterial pressure-based goal-directed therapy would reduce the incidence of postoperative complications in patients having moderate-risk abdominal surgery. In this pragmatic multicentre randomised controlled trial, we randomly allocated 244 patients by envelope drawing in a 1:1 fashion, stratified per centre. All patients had mean arterial pressure, cardiac index and pulse pressure variation measured continuously. In one group, healthcare professionals were blinded to cardiac index and pulse pressure variation values and were asked to guide haemodynamic therapy only based on mean arterial pressure (control group). In the second group, cardiac index and pulse pressure variation values were displayed and kept within target ranges following a pre-defined algorithm (CI-PPV group). The primary endpoint was the incidence of postoperative complications within 30 days. One hundred and seventy-five patients were eligible for final analysis. Overall complication rates were similar (42/94 (44.7%) vs. 38/81 (46.9%) in the control and CI-PPV groups, respectively; p = 0.95). The CI-PPV group had lower mean (SD) pulse pressure variation values (9.5 (2.0)% vs. 11.9 (4.6)%; p = 0.003) and higher mean (SD) cardiac indices (2.76 (0.62) l min−1.m−2 vs. 2.53 (0.66) l min−1.m−2; p = 0.004) than the control group. In moderate-risk abdominal surgery, we observed no additional value of cardiac index and pulse pressure variation-guided haemodynamic therapy to mean arterial pressure-guided volume therapy with regard to postoperative complications.
      PubDate: 2017-05-25T06:05:29.448579-05:
      DOI: 10.1111/anae.13834
  • Promoting the use of peripheral nerve catheters: better catheter accuracy
           or more user-friendliness'
    • Authors: M. Fredrickson
      PubDate: 2017-05-25T05:45:21.908516-05:
      DOI: 10.1111/anae.13886
  • Initial placement and secondary displacement of a new suture-method
           catheter for sciatic nerve block in healthy volunteers: a randomised,
           double-blind pilot study
    • Authors: T. S. Lyngeraa; C. Rothe, C. Steen-Hansen, M. H. Madsen, C. B. Christiansen, A. M. Andreasen, L. H. Lundstrøm, K. H. W. Lange
      Abstract: We performed a randomised double-blind pilot study in 16 healthy volunteers to investigate the success rate for placing a new suture-method catheter for sciatic nerve block. A catheter was inserted into both legs of volunteers and each was randomly allocated to receive 15 ml lidocaine 2% through the catheter in one leg and 15 ml saline in the other leg. Successful placement of the catheter was defined as a 20% decrease in maximum voluntary isometric contraction for dorsiflexion of the ankle. Secondary outcomes were maximum voluntary isometric contraction for plantar flexion at the ankle, surface electromyography and cold sensation. After return of motor and sensory function, volunteers performed standardised physical exercises; injection of the same study medication was repeated in the same leg and followed by motor and sensory assessments. Fifteen of 16 (94%; 95%CI 72–99%) initial catheter placements were successful. The reduction in maximum voluntary isometric contraction and surface electromyography affected the peroneal nerve more often than the tibial nerve. Eleven of 15 (73%; 95%CI 54–96%) catheters remained functional with motor and sensory block after physical exercise, and the maximal displacement was 5 mm. Catheters with secondary block failure were displaced between 6 and 10 mm. One catheter was displaced 1.8 mm that resulted in a decrease in maximum voluntary isometric contraction of less than 20%. After repeat test injection, 14 of the 16 volunteers had loss of cold sensation. Neither motor nor sensory functions were affected in the legs injected with placebo. We conclude that the suture-method catheter can be placed with a high success rate, but that physical exercise may cause displacement.
      PubDate: 2017-05-25T05:40:26.589563-05:
      DOI: 10.1111/anae.13933
  • Change of transfusion and treatment paradigm in major trauma patients
    • Authors: P. Stein; A. Kaserer, K. Sprengel, G. A. Wanner, B. Seifert, O. M. Theusinger, D. R. Spahn
      Abstract: Trauma promotes trauma-induced coagulopathy, which requires urgent treatment with fixed-ratio transfusions of red blood cells, fresh frozen plasma and platelet concentrates, or goal-directed administration of coagulation factors based on viscoelastic testing. This retrospective observational study compared two time periods before (2005–2007) and after (2012–2014) the implementation of changes in trauma management protocols which included: use of goal-directed coagulation management; admission of patients to designated trauma centres; whole-body computed tomography scanning on admission; damage control surgery; permissive hypotension; restrictive fluid resuscitation; and administration of tranexamic acid. The incidence of massive transfusion (≥ 10 units of red blood cells from emergency department arrival until intensive care unit admission) was compared with the predicted incidence according to the trauma associated severe haemorrhage score. All adult (≥ 16 years) trauma patients primarily admitted to the University Hospital Zürich with an injury severity score ≥ 16 were included. In 2005–2007, the observed and trauma associated severe haemorrhage score that predicted the incidence of massive transfusion were identical, whereas in 2012–2014 the observed incidence was less than half that predicted (3.7% vs. 7.5%). Compared to 2005–2007, the proportion of patients transfused with red blood cells and fresh frozen plasma was significantly lower in 2012–2014 in both the emergency department (43% vs. 17%; 31% vs. 6%, respectively), and after 24 h (53% vs. 27%; 37% vs. 16%, respectively). The use of tranexamic acid and coagulation factor XIII also increased significantly in the 2012–2014 time period. Implementation of a revised trauma management strategy, which included goal-directed coagulation management, was associated with a reduced incidence of massive transfusion and a reduction in the transfusion of red blood cells and fresh frozen plasma.
      PubDate: 2017-05-23T02:05:35.256724-05:
      DOI: 10.1111/anae.13920
  • Satisfaction is not substantially affected by quality of recovery:
           different constructs or are we lost in statistics'
    • Authors: C. F. Royse; S. Clarke
      PubDate: 2017-05-16T07:55:23.401818-05:
      DOI: 10.1111/anae.13931
  • Influence of quality of recovery on patient satisfaction with anaesthesia
           and surgery: a prospective observational cohort study
    • Authors: V. Berning; M. Laupheimer, M. Nübling, T. Heidegger
      Abstract: Patient satisfaction and quality of recovery are important measures of quality. Whether, and to what extent, patient satisfaction is influenced by quality of recovery, however, is not clear. The aim of this study was to evaluate the additional influence of quality of recovery on total patient satisfaction with anaesthesia and surgery. In this prospective cohort study, we used a validated quality of recovery questionnaire and a multi-item patient satisfaction questionnaire. Patients completed the quality of recovery questionnaire pre-operatively and 24 h postoperatively. One to two weeks after discharge, a third quality of recovery questionnaire was sent out, together with the patient satisfaction questionnaire. If no response was received after 2 weeks, a reminder containing the quality of recovery and the satisfaction questionnaire were mailed. Seven hundred and thirty-four patients were consecutively assessed for eligibility. Five hundred and seventy-nine patients completed at least one questionnaire (recruitment rate 79%). Four hundred and sixty-seven patients (81%) completed all four questionnaires. The total satisfaction score was high, with a mean (SD) of 94.6 (10.7) on a 0–100 scale. Correlation analysis between quality of recovery and total patient satisfaction showed correlations of 0.2–0.3. Testing different aspects of quality of recovery in models already containing the significant factors of patient satisfaction did not improve the model fit markedly. We conclude that quality of recovery has only a marginal additional effect on total patient satisfaction with anaesthesia and surgery.
      PubDate: 2017-05-16T07:50:25.517615-05:
      DOI: 10.1111/anae.13906
  • Comparison of reversal with neostigmine of low-dose rocuronium vs.
           reversal with sugammadex of high-dose rocuronium for a short procedure
    • Authors: E. S. Choi; A. Y. Oh, B. W. Koo, J. W. Hwang, J. W. Han, K. S. Seo, S. H. Ahn, W. J. Jeong
      Abstract: Some short procedures require deep neuromuscular blockade, which needs to be reversed at the end of the procedure. Forty-four patients undergoing elective laryngeal micro-surgery were randomly allocated into two groups: rocuronium 0.45−1 with neostigmine (50 μ−1 with glycopyrrolate 10 μ−1) reversal (moderate block group) vs. rocuronium 0.90−1 with sugammadex (4−1) reversal (deep block group). The primary outcome was the intubating conditions during laryngoscopy secondary outcomes included recovery of neuromuscular block; conditions for tracheal intubation; satisfaction score as determined by the surgeon; onset of neuromuscular block; and postoperative sore throat. The onset of neuromuscular block was more rapid, and intubation conditions and ease of intra-operative laryngoscopy were more favourable, and the satisfaction score was lower in the moderate block group compared with the deep block group. No difference was found in the incidence of postoperative sore throat. In laryngeal micro-surgery, the use of rocuronium 0.9−1 with sugammadex for reversal was associated with better surgical conditions and a shorter recovery time than rocuronium 0.45−1 with neostigmine.
      PubDate: 2017-05-11T05:05:23.96063-05:0
      DOI: 10.1111/anae.13894
  • The height of the cricothyroid membrane on computed tomography scans in
           trauma patients
    • Authors: T. Nutbeam; R. Clarke, T. Luff, D. Enki, D. Gay
      Abstract: Emergency cricothyrotomy is a common feature in all difficult airway algorithms. It is the final step following a ‘can't intubate, can't oxygenate’ scenario. It is rarely performed and has a significant failure rate. There is variation in the reported size of the cricothyroid membrane, especially across population groups. Procedural failure may result from attempting to pass a device with too large an external diameter through the cricothyroid membrane. We aimed to determine the maximum height of the cricothyroid membrane in a UK trauma population. Electronic callipers were used to measure the maximum height of the cricothyroid membrane on 482 reformatted trauma computed tomography scans, 377 (78.2%) of which were in male patients. The mean (SD) height of the cricothyroid membrane, as independently measured by two radiologists, was 7.89 (2.21) mm and 7.88 (2.22) mm in male patients, and 6.00 (1.76) mm and 5.92 (1.71) mm in female patients. The presence of concurrent tracheal intubation or cervical spine immobilisation was found not to have a significant effect on cricothyroid membrane height. The cricothyroid membrane height in the study population was much smaller than that previously reported. Practitioners encountering patients who may require an emergency surgical airway should be aware of these data. Rescue airway equipment with variety of external diameters should be immediately available.
      PubDate: 2017-05-02T02:40:00.7678-05:00
      DOI: 10.1111/anae.13905
  • Issue Information – Editorial Board
    • Pages: 929 - 929
      PubDate: 2017-07-11T02:47:53.656927-05:
      DOI: 10.1111/anae.13678
  • Intra-operative protective mechanical ventilation in lung transplantation:
           a randomised, controlled trial
    • Authors: G. L. Verbeek; P. S. Myles, G. P. Westall, E. Lin, S. L. Hastings, S. F. Marasco, J. Jaffar, A. C. Meehan
      Pages: 993 - 1004
      Abstract: Primary graft dysfunction occurs in up to 25% of patients after lung transplantation. Contributing factors include ventilator-induced lung injury, cardiopulmonary bypass, ischaemia-reperfusion injury and excessive fluid administration. We evaluated the feasibility, safety and efficacy of an open-lung protective ventilation strategy aimed at reducing ventilator-induced lung injury. We enrolled adult patients scheduled to undergo bilateral sequential lung transplantation, and randomly assigned them to either a control group (volume-controlled ventilation with 5 cmH2O, positive end-expiratory pressure, low tidal volumes (two-lung ventilation 6−1, one-lung ventilation 4−1)) or an alveolar recruitment group (regular step-wise positive end-expiratory pressure-based alveolar recruitment manoeuvres, pressure-controlled ventilation set at 16 cmH2O with 10 cmH2O positive end-expiratory pressure). Ventilation strategies were commenced from reperfusion of the first lung allograft and continued for the duration of surgery. Regular PaO2/FIO2 ratios were calculated and venous blood samples collected for inflammatory marker evaluation during the procedure and for the first 24 h of intensive care stay. The primary end-point was the PaO2/FIO2 ratio at 24 h after first lung reperfusion. Thirty adult patients were studied. The primary outcome was not different between groups (mean (SD) PaO2/FIO2 ratio control group 340 (111) vs. alveolar recruitment group 404 (153); adjusted p = 0.26). Patients in the control group had poorer mean (SD) PaO2/FIO2 ratios at the end of the surgical procedure and a longer median (IQR [range]) time to tracheal extubation compared with the alveolar recruitment group (308 (144) vs. 402 (154) (p = 0.03) and 18 (10–27 [5–468]) h vs. 15 (11–36 [5–115]) h (p = 0.01), respectively). An open-lung protective ventilation strategy during surgery for lung transplantation is feasible, safe and achieves favourable ventilation parameters.
      PubDate: 2017-07-11T02:47:55.689782-05:
      DOI: 10.1111/anae.13964
  • Patient-controlled analgesia with remifentanil vs. alternative parenteral
           methods for pain management in labour: a Cochrane systematic review
    • Authors: Y. Jelting; S. Weibel, A. Afshari, N. L. Pace, J. Jokinen, T. Artmann, L. H. J. Eberhart, P. Kranke
      Pages: 1016 - 1028
      Abstract: We aimed to assess the effectiveness of remifentanil used as intravenous patient-controlled analgesia for the pain of labour. We performed a systematic literature search in December 2015 (updated in December 2016). We included randomised, controlled and cluster-randomised trials of women in labour with planned vaginal delivery receiving patient-controlled remifentanil compared principally with other parenteral and patient-controlled opioids, epidural analgesia and continuous remifentanil infusion or placebo. The primary outcomes were patient satisfaction with pain relief and the occurrence of adverse events for mothers and newborns. We assessed risk of bias for each included study and applied the GRADE approach for the quality of evidence. We included total zero event trials, using a constant continuity correction of 0.01 and a random-effect meta-analysis. Twenty studies were included in the qualitative analysis; within these, 3713 participants were randomised and 3569 analysed. Most of our pre-specified outcomes were not studied in the included trials. However, we found evidence that women using patient-controlled remifentanil were more satisfied with pain relief than women receiving parenteral opioids (four trials, 216 patients, very low quality evidence) with a standardised mean difference ([SMD] 95%CI) of 2.11 (0.72–3.49), but were less satisfied than women receiving epidural analgesia (seven trials, 2135 patients, very low quality evidence), −0.22 (−0.40 to −0.04). Data on adverse events were sparse. However, the relative risk (95%CI) for maternal respiratory depression for patient-controlled remifentanil compared with epidural analgesia (three trials, 687 patients, low-quality evidence) was 0.91 (0.51–1.62). Compared with continuous intravenous infusion of remifentanil (two trials, 135 patients, low-quality evidence) no conclusion could be reached as all study arms showed zero events. The relative risk (95%CI) of Apgar scores less than 7 at 5 min after birth compared with epidural analgesia (five trials, 1322 participants, low-quality evidence) was 1.26 (0.62–2.57).
      PubDate: 2017-07-11T02:47:56.145694-05:
      DOI: 10.1111/anae.13971
  • Regression: How much data do I really need'
    • Authors: S. W. Choi; D. M. H. Lam
      Pages: 1029 - 1030
      PubDate: 2017-07-11T02:47:54.500108-05:
      DOI: 10.1111/anae.13937
  • Two further episodes of a defective Optima CLX laryngoscope blade
    • Authors: J. Garbarino; A. Howell, J. Owen
      Pages: 1031 - 1031
      PubDate: 2017-07-11T02:47:52.700846-05:
      DOI: 10.1111/anae.13990
  • THRIVE, rapid sequence induction and oxygenation
    • Authors: M. Ince
      Pages: 1032 - 1032
      PubDate: 2017-07-11T02:47:53.269172-05:
      DOI: 10.1111/anae.13928
  • THRIVE, rapid sequence induction and accidental awareness
    • Authors: M. T. Gwinnutt
      Pages: 1032 - 1033
      PubDate: 2017-07-11T02:47:52.863072-05:
      DOI: 10.1111/anae.13929
  • THRIVE, rapid sequence induction and oxygenation. A reply
    • Authors: F. Mir; A. Patel, R. Iqbal, M. Cecconi, S. Nouraei
      Pages: 1033 - 1035
      PubDate: 2017-07-11T02:47:54.086445-05:
      DOI: 10.1111/anae.13999
  • THRIVE and pre-oxygenation
    • Authors: A. Dixit; C. Frerk
      Pages: 1033 - 1033
      PubDate: 2017-07-11T02:47:52.812238-05:
      DOI: 10.1111/anae.13997
  • THRIVE and airway fires
    • Authors: P. Ward
      Pages: 1035 - 1035
      PubDate: 2017-07-11T02:47:56.89009-05:0
      DOI: 10.1111/anae.13993
  • Airway assessment/management paradigm – does a spectral or a binary
           approach fit better'
    • Authors: K. B. Greenland; W. P. L. Bradley, A. Zundert, M. G. Irwin
      Pages: 1035 - 1037
      PubDate: 2017-07-11T02:47:52.935763-05:
      DOI: 10.1111/anae.13994
  • Airway assessment/management paradigm – does a spectral or a binary
           approach fit better' A reply
    • Authors: J. J. Pandit; T. Heidegger
      Pages: 1037 - 1038
      PubDate: 2017-07-11T02:47:56.523828-05:
      DOI: 10.1111/anae.13992
  • Pre-hospital pre-oxygenation strategies
    • Authors: C. Reid; C. Hayes-Bradley, B. Burns
      Pages: 1038 - 1039
      PubDate: 2017-07-11T02:47:54.018545-05:
      DOI: 10.1111/anae.13949
  • Optimising Glidescope performance
    • Authors: M. Sorbello; I. Hodzovic
      Pages: 1039 - 1040
      PubDate: 2017-07-11T02:47:57.138923-05:
      DOI: 10.1111/anae.13995
  • Pre-hospital pre-oxygenation strategies: a reply
    • Authors: C. J. Groombridge; T. Konig, E. Ley, M. Miller
      Pages: 1039 - 1039
      PubDate: 2017-07-11T02:47:54.603933-05:
      DOI: 10.1111/anae.13954
  • Cognitive aids, checklists and mental models
    • Authors: C. S. Webster
      Pages: 1041 - 1042
      PubDate: 2017-07-11T02:47:55.080237-05:
      DOI: 10.1111/anae.13943
  • Cognitive aids, checklists and mental models – a reply
    • Authors: T. C. Everett
      Pages: 1042 - 1042
      PubDate: 2017-07-11T02:47:53.583506-05:
      DOI: 10.1111/anae.13996
  • Auditory stimulation and levels of anaesthesia
    • Authors: E. G. Lawes
      Pages: 1043 - 1044
      PubDate: 2017-07-11T02:47:55.5204-05:00
      DOI: 10.1111/anae.13945
  • GE Healthcare Carestation 650 carbon dioxide canister design fault
    • Authors: P. Jandu
      Pages: 1044 - 1044
      PubDate: 2017-07-11T02:47:54.454202-05:
      DOI: 10.1111/anae.13948
  • GE Healthcare Carestation 650 carbon dioxide canister design fault –
           manufacturer's reply
    • Authors: D. Walker
      Pages: 1044 - 1045
      PubDate: 2017-07-11T02:47:52.75519-05:0
      DOI: 10.1111/anae.13987
  • Problematic use of a Pentax AWS-S200 in emergency and disaster medicine
    • Authors: Y. Imashuku; A. Kojima, K. Takahashi, H. Kitagawa
      Pages: 1045 - 1045
      PubDate: 2017-07-11T02:47:55.625875-05:
      DOI: 10.1111/anae.13944
  • SB4YB and the role of industry in patient safety
    • Authors: J. Hartford-Beynon; A. Allan
      Pages: 1046 - 1046
      PubDate: 2017-07-11T02:47:56.830733-05:
      DOI: 10.1111/anae.13890
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