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Publisher: Springer-Verlag (Total: 2352 journals)

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Showing 1201 - 1400 of 2352 Journals sorted alphabetically
J. of Clinical Immunology     Hybrid Journal   (Followers: 14, SJR: 1.332, h-index: 75)
J. of Clinical Monitoring and Computing     Hybrid Journal   (Followers: 1, SJR: 0.661, h-index: 37)
J. of Clinical Psychology in Medical Settings     Hybrid Journal   (Followers: 13, SJR: 0.46, h-index: 34)
J. of Cluster Science     Hybrid Journal   (SJR: 0.416, h-index: 31)
J. of Coal Science and Engineering (China)     Hybrid Journal   (SJR: 0.188, h-index: 8)
J. of Coastal Conservation     Hybrid Journal   (Followers: 7, SJR: 0.474, h-index: 25)
J. of Coatings Technology and Research     Hybrid Journal   (Followers: 5, SJR: 0.425, h-index: 25)
J. of Combinatorial Optimization     Hybrid Journal   (Followers: 5, SJR: 1.093, h-index: 34)
J. of Communications Technology and Electronics     Hybrid Journal   (Followers: 2, SJR: 0.29, h-index: 16)
J. of Community Genetics     Hybrid Journal   (Followers: 1, SJR: 0.727, h-index: 14)
J. of Community Health     Hybrid Journal   (Followers: 8, SJR: 0.921, h-index: 44)
J. of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology     Hybrid Journal   (Followers: 9, SJR: 1.087, h-index: 74)
J. of Comparative Physiology B : Biochemical, Systemic, and Environmental Physiology     Hybrid Journal   (Followers: 4, SJR: 1.126, h-index: 59)
J. of Compassionate Health Care     Open Access   (Followers: 3)
J. of Computational Analysis and Applications     Hybrid Journal   (SJR: 0.291, h-index: 19)
J. of Computational Electronics     Hybrid Journal   (Followers: 4, SJR: 0.511, h-index: 20)
J. of Computational Neuroscience     Hybrid Journal   (Followers: 25, SJR: 1.068, h-index: 60)
J. of Computer and Systems Sciences Intl.     Hybrid Journal   (SJR: 0.27, h-index: 13)
J. of Computer Science and Technology     Open Access   (Followers: 5, SJR: 0.437, h-index: 31)
J. of Computer Virology and Hacking Techniques     Hybrid Journal   (Followers: 6, SJR: 0.151, h-index: 2)
J. of Computer-Aided Molecular Design     Hybrid Journal   (Followers: 3, SJR: 0.995, h-index: 78)
J. of Computers in Education     Hybrid Journal   (Followers: 12)
J. of Computing in Higher Education     Hybrid Journal   (Followers: 13, SJR: 0.363, h-index: 21)
J. of Consumer Policy     Hybrid Journal   (Followers: 7, SJR: 0.704, h-index: 30)
J. of Contemporary Mathematical Analysis     Hybrid Journal   (SJR: 0.237, h-index: 5)
J. of Contemporary Physics (Armenian Academy of Sciences)     Hybrid Journal   (Followers: 11, SJR: 0.197, h-index: 6)
J. of Contemporary Psychotherapy     Hybrid Journal   (Followers: 6, SJR: 0.397, h-index: 23)
J. of Control Theory and Applications     Hybrid Journal   (Followers: 2, SJR: 0.359, h-index: 19)
J. of Control, Automation and Electrical Systems     Hybrid Journal   (Followers: 9, SJR: 0.231, h-index: 9)
J. of Crop Science and Biotechnology     Hybrid Journal   (Followers: 7)
J. of Cross-Cultural Gerontology     Hybrid Journal   (Followers: 6, SJR: 0.631, h-index: 29)
J. of Cryptographic Engineering     Partially Free   (Followers: 5, SJR: 0.989, h-index: 11)
J. of Cryptology     Hybrid Journal   (Followers: 3, SJR: 1.443, h-index: 55)
J. of Cultural Economics     Hybrid Journal   (Followers: 4, SJR: 0.539, h-index: 29)
J. of Database Marketing & Customer Strategy Management     Hybrid Journal   (Followers: 9, SJR: 0.149, h-index: 8)
J. of Derivatives & Hedge Funds     Hybrid Journal   (Followers: 8, SJR: 0.114, h-index: 5)
J. of Developmental and Physical Disabilities     Hybrid Journal   (Followers: 8, SJR: 0.574, h-index: 29)
J. of Digital Imaging     Hybrid Journal   (Followers: 10, SJR: 0.578, h-index: 35)
J. of Direct Data and Digital Marketing Practice     Hybrid Journal   (Followers: 8, SJR: 0.154, h-index: 6)
J. of Dynamical and Control Systems     Hybrid Journal   (Followers: 1, SJR: 0.4, h-index: 26)
J. of Dynamics and Differential Equations     Hybrid Journal   (SJR: 1.418, h-index: 31)
J. of Earth Science     Hybrid Journal   (Followers: 10, SJR: 0.483, h-index: 16)
J. of Earth System Science     Open Access   (Followers: 51, SJR: 0.448, h-index: 32)
J. of East Asian Linguistics     Hybrid Journal   (Followers: 6, SJR: 0.537, h-index: 20)
J. of Echocardiography     Hybrid Journal   (Followers: 4, SJR: 0.22, h-index: 3)
J. of Ecology and Environment     Open Access   (Followers: 1)
J. of Economic Growth     Hybrid Journal   (Followers: 29, SJR: 3.273, h-index: 63)
J. of Economic Interaction and Coordination     Hybrid Journal   (SJR: 0.263, h-index: 12)
J. of Economics     Hybrid Journal   (Followers: 17, SJR: 0.418, h-index: 23)
J. of Economics and Finance     Hybrid Journal   (Followers: 6, SJR: 0.272, h-index: 19)
J. of Educational Change     Hybrid Journal   (Followers: 7, SJR: 0.961, h-index: 21)
J. of Elasticity     Hybrid Journal   (Followers: 6, SJR: 0.851, h-index: 45)
J. of Electroceramics     Hybrid Journal   (SJR: 0.577, h-index: 57)
J. of Electronic Materials     Hybrid Journal   (Followers: 5, SJR: 0.609, h-index: 75)
J. of Electronic Testing     Hybrid Journal   (Followers: 2, SJR: 0.372, h-index: 27)
J. of Electronics (China)     Hybrid Journal   (Followers: 4, SJR: 0.112, h-index: 9)
J. of Elementary Science Education     Hybrid Journal   (Followers: 9)
J. of Elliptic and Parabolic Equations     Hybrid Journal  
J. of Engineering Mathematics     Hybrid Journal   (SJR: 0.347, h-index: 37)
J. of Engineering Physics and Thermophysics     Hybrid Journal   (Followers: 1, SJR: 0.288, h-index: 11)
J. of Engineering Research     Open Access   (Followers: 1, SJR: 0.145, h-index: 5)
J. of Engineering Thermophysics     Hybrid Journal   (Followers: 4, SJR: 0.763, h-index: 9)
J. of Environmental Studies and Sciences     Partially Free   (Followers: 2)
J. of Ethology     Hybrid Journal   (Followers: 2, SJR: 0.609, h-index: 25)
J. of Evolution Equations     Hybrid Journal   (SJR: 0.826, h-index: 26)
J. of Evolutionary Biochemistry and Physiology     Hybrid Journal   (SJR: 0.145, h-index: 11)
J. of Evolutionary Economics     Hybrid Journal   (Followers: 9, SJR: 0.492, h-index: 52)
J. of Experimental and Theoretical Physics     Hybrid Journal   (Followers: 3, SJR: 0.458, h-index: 39)
J. of Experimental Criminology     Hybrid Journal   (Followers: 51, SJR: 1.445, h-index: 28)
J. of Failure Analysis and Prevention     Hybrid Journal   (Followers: 5, SJR: 0.261, h-index: 15)
J. of Family and Economic Issues     Hybrid Journal   (Followers: 6, SJR: 0.396, h-index: 32)
J. of Family Violence     Hybrid Journal   (Followers: 38, SJR: 0.639, h-index: 56)
J. of Financial Services Marketing     Hybrid Journal   (Followers: 3, SJR: 0.273, h-index: 10)
J. of Financial Services Research     Hybrid Journal   (Followers: 25, SJR: 0.572, h-index: 36)
J. of Fixed Point Theory and Applications     Hybrid Journal   (SJR: 0.644, h-index: 13)
J. of Fluorescence     Hybrid Journal   (Followers: 3, SJR: 0.465, h-index: 56)
J. of Food Measurement and Characterization     Hybrid Journal   (SJR: 0.307, h-index: 4)
J. of Food Science and Technology     Hybrid Journal   (Followers: 6, SJR: 0.441, h-index: 29)
J. of Forest Research     Hybrid Journal   (Followers: 3, SJR: 0.495, h-index: 27)
J. of Forestry Research     Hybrid Journal   (Followers: 4, SJR: 0.304, h-index: 14)
J. of Fourier Analysis and Applications     Hybrid Journal   (Followers: 1, SJR: 1.18, h-index: 42)
J. of Friction and Wear     Hybrid Journal   (Followers: 7, SJR: 0.373, h-index: 7)
J. of Fusion Energy     Hybrid Journal   (Followers: 3, SJR: 0.387, h-index: 19)
J. of Gambling Studies     Hybrid Journal   (Followers: 7, SJR: 1.171, h-index: 57)
J. of Gastroenterology     Hybrid Journal   (Followers: 12, SJR: 1.651, h-index: 88)
J. of Gastrointestinal Cancer     Hybrid Journal   (Followers: 4, SJR: 0.304, h-index: 39)
J. of Gastrointestinal Surgery     Hybrid Journal   (Followers: 9, SJR: 1.64, h-index: 99)
J. of General Internal Medicine     Hybrid Journal   (Followers: 18, SJR: 1.804, h-index: 134)
J. of General Plant Pathology     Hybrid Journal   (SJR: 0.554, h-index: 22)
J. of Genetic Counseling     Hybrid Journal   (Followers: 6, SJR: 0.902, h-index: 39)
J. of Genetics     Open Access   (Followers: 5, SJR: 0.458, h-index: 28)
J. of Geodesy     Hybrid Journal   (Followers: 9, SJR: 2.173, h-index: 56)
J. of Geographical Sciences     Hybrid Journal   (Followers: 1, SJR: 0.8, h-index: 23)
J. of Geographical Systems     Hybrid Journal   (Followers: 4, SJR: 0.822, h-index: 39)
J. of Geometric Analysis     Hybrid Journal   (Followers: 2, SJR: 1.491, h-index: 27)
J. of Geometry     Hybrid Journal   (Followers: 1, SJR: 0.272, h-index: 15)
J. of Global Optimization     Hybrid Journal   (Followers: 4, SJR: 0.992, h-index: 60)
J. of Global Policy and Governance     Hybrid Journal   (Followers: 11)
J. of Grid Computing     Hybrid Journal   (Followers: 1, SJR: 1.414, h-index: 37)
J. of Happiness Studies     Hybrid Journal   (Followers: 25, SJR: 0.881, h-index: 39)
J. of Hematopathology     Hybrid Journal   (Followers: 3, SJR: 0.2, h-index: 13)
J. of Heuristics     Hybrid Journal   (Followers: 4, SJR: 1.308, h-index: 50)
J. of High Energy Physics     Hybrid Journal   (Followers: 18, SJR: 1.052, h-index: 153)
J. of Homotopy and Related Structures     Hybrid Journal   (SJR: 0.232, h-index: 2)
J. of Housing and the Built Environment     Hybrid Journal   (Followers: 7, SJR: 0.648, h-index: 28)
J. of Huazhong University of Science and Technology [Medical Sciences]     Hybrid Journal   (SJR: 0.344, h-index: 19)
J. of Ichthyology     Hybrid Journal   (Followers: 3, SJR: 0.304, h-index: 10)
J. of Immigrant and Minority Health     Hybrid Journal   (Followers: 13, SJR: 0.759, h-index: 37)
J. of Inclusion Phenomena and Macrocyclic Chemistry     Hybrid Journal   (Followers: 1, SJR: 0.331, h-index: 46)
J. of Indian Council of Philosophical Research     Hybrid Journal  
J. of Indian Philosophy     Hybrid Journal   (Followers: 12, SJR: 0.127, h-index: 12)
J. of Industrial Microbiology and Biotechnology     Hybrid Journal   (Followers: 16, SJR: 0.966, h-index: 80)
J. of Industry, Competition and Trade     Hybrid Journal   (Followers: 9, SJR: 0.327, h-index: 15)
J. of Infection and Chemotherapy     Hybrid Journal   (Followers: 1, SJR: 0.673, h-index: 46)
J. of Information Technology     Hybrid Journal   (Followers: 58, SJR: 1.474, h-index: 55)
J. of Information Technology Teaching Cases     Hybrid Journal   (Followers: 10)
J. of Infrared, Millimeter and Terahertz Waves     Hybrid Journal   (Followers: 2, SJR: 1.25, h-index: 36)
J. of Inherited Metabolic Disease     Hybrid Journal   (Followers: 2, SJR: 1.389, h-index: 77)
J. of Inorganic and Organometallic Polymers and Materials     Partially Free   (Followers: 9, SJR: 0.338, h-index: 33)
J. of Insect Behavior     Hybrid Journal   (Followers: 8, SJR: 0.569, h-index: 39)
J. of Insect Conservation     Hybrid Journal   (Followers: 10, SJR: 0.872, h-index: 43)
J. of Intelligent and Robotic Systems     Hybrid Journal   (Followers: 3, SJR: 0.629, h-index: 43)
J. of Intelligent Information Systems     Hybrid Journal   (Followers: 1, SJR: 0.691, h-index: 43)
J. of Intelligent Manufacturing     Hybrid Journal   (Followers: 3, SJR: 1.397, h-index: 54)
J. of Interventional Cardiac Electrophysiology     Hybrid Journal   (SJR: 0.93, h-index: 43)
J. of Intl. Business Studies     Hybrid Journal   (Followers: 34, SJR: 4.208, h-index: 130)
J. of Intl. Entrepreneurship     Hybrid Journal   (Followers: 10, SJR: 0.549, h-index: 23)
J. of Intl. Migration and Integration / Revue de l integration et de la migration internationale     Hybrid Journal   (Followers: 14, SJR: 0.308, h-index: 13)
J. of Intl. Relations and Development     Hybrid Journal   (Followers: 21, SJR: 0.793, h-index: 22)
J. of Labor Research     Hybrid Journal   (Followers: 19, SJR: 0.394, h-index: 27)
J. of Logic, Language and Information     Hybrid Journal   (Followers: 7, SJR: 0.288, h-index: 25)
J. of Low Temperature Physics     Hybrid Journal   (Followers: 3, SJR: 0.531, h-index: 52)
J. of Machinery Manufacture and Reliability     Hybrid Journal   (Followers: 2, SJR: 0.203, h-index: 7)
J. of Mammalian Evolution     Hybrid Journal   (Followers: 5, SJR: 1.134, h-index: 37)
J. of Mammary Gland Biology and Neoplasia     Hybrid Journal   (Followers: 2, SJR: 2.252, h-index: 83)
J. of Management and Governance     Hybrid Journal   (Followers: 14, SJR: 0.805, h-index: 33)
J. of Management Control     Hybrid Journal   (Followers: 4, SJR: 0.605, h-index: 6)
J. of Marine Science and Application     Hybrid Journal   (Followers: 2, SJR: 0.439, h-index: 11)
J. of Marine Science and Technology     Hybrid Journal   (Followers: 3, SJR: 0.235, h-index: 19)
J. of Maritime Archaeology     Hybrid Journal   (Followers: 22, SJR: 0.228, h-index: 8)
J. of Market-Focused Management     Hybrid Journal   (Followers: 2)
J. of Marketing Analytics     Hybrid Journal   (Followers: 4)
J. of Material Cycles and Waste Management     Hybrid Journal   (Followers: 3, SJR: 0.449, h-index: 22)
J. of Materials Engineering and Performance     Hybrid Journal   (Followers: 24, SJR: 0.544, h-index: 40)
J. of Materials Science     Hybrid Journal   (Followers: 21, SJR: 0.836, h-index: 123)
J. of Materials Science : Materials in Electronics     Hybrid Journal   (Followers: 5)
J. of Materials Science : Materials in Medicine     Hybrid Journal   (Followers: 5)
J. of Mathematical Biology     Hybrid Journal   (Followers: 11, SJR: 1.011, h-index: 71)
J. of Mathematical Chemistry     Hybrid Journal   (Followers: 4, SJR: 0.497, h-index: 45)
J. of Mathematical Fluid Mechanics     Hybrid Journal   (Followers: 8, SJR: 1.22, h-index: 22)
J. of Mathematical Imaging and Vision     Hybrid Journal   (Followers: 5, SJR: 0.901, h-index: 53)
J. of Mathematical Modelling and Algorithms     Hybrid Journal   (Followers: 2, SJR: 0.414, h-index: 23)
J. of Mathematical Sciences     Hybrid Journal   (SJR: 0.272, h-index: 23)
J. of Mathematics Teacher Education     Hybrid Journal   (Followers: 18, SJR: 1.062, h-index: 20)
J. of Maxillofacial and Oral Surgery     Hybrid Journal   (Followers: 3)
J. of Mechanical Science and Technology     Hybrid Journal   (Followers: 6, SJR: 0.589, h-index: 26)
J. of Medical and Biological Engineering     Hybrid Journal   (Followers: 1, SJR: 0.387, h-index: 18)
J. of Medical Humanities     Hybrid Journal   (Followers: 22, SJR: 0.299, h-index: 18)
J. of Medical Systems     Hybrid Journal   (Followers: 1, SJR: 0.717, h-index: 44)
J. of Medical Toxicology     Hybrid Journal   (Followers: 6, SJR: 0.874, h-index: 28)
J. of Medical Ultrasonics     Hybrid Journal   (Followers: 2, SJR: 0.18, h-index: 13)
J. of Medicine and the Person     Hybrid Journal  
J. of Membrane Biology     Hybrid Journal   (Followers: 2, SJR: 0.738, h-index: 82)
J. of Micro-Bio Robotics     Hybrid Journal   (SJR: 0.28, h-index: 3)
J. of Microbiology     Hybrid Journal   (Followers: 8, SJR: 0.741, h-index: 43)
J. of Mining Science     Hybrid Journal   (Followers: 4, SJR: 0.317, h-index: 16)
J. of Molecular Evolution     Hybrid Journal   (Followers: 9, SJR: 0.952, h-index: 108)
J. of Molecular Histology     Hybrid Journal   (Followers: 4, SJR: 0.755, h-index: 48)
J. of Molecular Medicine     Hybrid Journal   (Followers: 14, SJR: 2.165, h-index: 113)
J. of Molecular Modeling     Hybrid Journal   (Followers: 4, SJR: 0.466, h-index: 50)
J. of Molecular Neuroscience     Partially Free   (Followers: 11, SJR: 0.988, h-index: 69)
J. of Mountain Science     Hybrid Journal   (Followers: 3, SJR: 0.418, h-index: 15)
J. of Muscle Research and Cell Motility     Hybrid Journal   (Followers: 1, SJR: 1.264, h-index: 55)
J. of Nanoparticle Research     Hybrid Journal   (Followers: 3, SJR: 0.583, h-index: 84)
J. of Natural Medicines     Hybrid Journal   (SJR: 0.602, h-index: 28)
J. of Near-Death Studies     Hybrid Journal   (Followers: 2)
J. of Nephrology     Hybrid Journal   (Followers: 4, SJR: 0.689, h-index: 55)
J. of Network and Systems Management     Hybrid Journal   (SJR: 0.466, h-index: 26)
J. of Neural Transmission     Hybrid Journal   (Followers: 2, SJR: 1.034, h-index: 86)
J. of Neuro-Oncology     Hybrid Journal   (Followers: 3, SJR: 1.274, h-index: 90)
J. of Neuroimmune Pharmacology     Hybrid Journal   (Followers: 1, SJR: 1.662, h-index: 45)
J. of Neurology     Hybrid Journal   (Followers: 17, SJR: 1.429, h-index: 105)
J. of NeuroVirology     Hybrid Journal   (Followers: 1, SJR: 0.979, h-index: 69)
J. of Nondestructive Evaluation     Hybrid Journal   (Followers: 11, SJR: 0.863, h-index: 27)
J. of Nonlinear Science     Hybrid Journal   (Followers: 1, SJR: 1.887, h-index: 42)
J. of Nonverbal Behavior     Hybrid Journal   (Followers: 5, SJR: 0.723, h-index: 47)
J. of Nuclear Cardiology     Hybrid Journal   (SJR: 1.024, h-index: 68)
J. of Nutrition, Health and Aging     Hybrid Journal   (Followers: 26, SJR: 0.919, h-index: 60)
J. of Obstetrics and Gynecology of India     Hybrid Journal   (Followers: 5, SJR: 0.214, h-index: 6)
J. of Occupational Rehabilitation     Hybrid Journal   (Followers: 16, SJR: 0.811, h-index: 51)
J. of Ocean Engineering and Marine Energy     Hybrid Journal   (Followers: 2)
J. of Ocean University of China (English Edition)     Hybrid Journal   (Followers: 1, SJR: 0.237, h-index: 11)
J. of Oceanography     Hybrid Journal   (Followers: 10, SJR: 0.796, h-index: 52)
J. of Ocular Biology, Diseases, and Informatics     Hybrid Journal   (SJR: 0.183, h-index: 11)
J. of Optical and Fiber Communications Reports     Hybrid Journal   (Followers: 4)
J. of Optics     Hybrid Journal   (Followers: 8, SJR: 0.214, h-index: 8)
J. of Optimization Theory and Applications     Hybrid Journal   (Followers: 5, SJR: 0.898, h-index: 65)
J. of Ornithology     Hybrid Journal   (Followers: 24)
J. of Orofacial Orthopedics / Fortschritte der Kieferorthopädie     Hybrid Journal   (SJR: 0.574, h-index: 33)
J. of Orthopaedic Science     Hybrid Journal   (Followers: 6, SJR: 0.708, h-index: 48)

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Journal Cover European Archives of Oto-Rhino-Laryngology
  [SJR: 0.755]   [H-I: 50]   [3 followers]  Follow
    
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 1434-4726 - ISSN (Online) 0937-4477
   Published by Springer-Verlag Homepage  [2352 journals]
  • Bioactive glass obliteration of the mastoid significantly improves
           surgical outcome in non-cholesteatomatous chronic otitis media patients
    • Authors: Joris Vos; Pieter de Vey Mestdagh; David Colnot; Pepijn Borggreven; Claudia Orelio; Jasper Quak
      Pages: 4121 - 4126
      Abstract: This retrospective follow-up study evaluates the efficacy and safety of bioactive glass (BAG) S53P4 when applied as filler material in mastoid obliteration surgery performed on non-cholesteatomatous chronic otitis media (NC-COM) patients with chronically discharging ears despite conservative therapy. 94 Patients (96 ears) were included. Patients underwent either intact canal wall (ICW) or canal wall down (CWD) mastoid surgery between 2005 and 2015. The intervention group comprised 23 patients (23 ears) who were treated with additional mastoid obliteration using BAG S53P4; the remaining 71 patients (73 ears) were considered controls. All patients underwent preoperative CT scanning of the mastoid. Primary functional outcome, as defined by control of suppuration, was assessed using Merchant’s scale. Hearing results as measured by air–bone gap and the incidence of adverse events were assessed as secondary outcomes. Thirty-two ears (44%) in the control group (n = 73) achieved complete control of infection at the most recent postoperative clinic visit vs 17 (74%) in the S53P4 obliteration group (n = 23). Comparing these outcomes yielded an odds ratio (OR) of 3.6 (p = 0.012, 95% CI 1.3–10.3). Complete failure to manage infection significantly differed (p = 0.048) between the control group (11 ears; 15%) and the S53P4 obliteration group (0 ears). No adverse events were observed in either group. Pre- and postoperative ABG results did not differ significantly between groups. Obliteration of the mastoid cavity using BAG S53P4 along with mastoidectomy in patients with chronically discharging NC-COM significantly improves the achievement of a dry and safe ear as compared to mastoidectomy alone. Importantly, no adverse events were observed with S53P4 BAG obliteration.
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4757-7
      Issue No: Vol. 274, No. 12 (2017)
       
  • Endoscopic management of petrous apex cholesteatoma
    • Authors: Hisashi Sugimoto; Miyako Hatano; Masao Noda; Hiroki Hasegawa; Tomokazu Yoshizaki
      Pages: 4127 - 4130
      Abstract: We describe a technique for approaching petrous apex cholesteatoma using combined lateral microscopic/endoscopic approaches, and discuss the utility of endoscopy in managing matrix inside the petrous apex. In our two cases, total view inside the petrous apex was achieved under endoscopy without mobilizing the internal carotid artery, and the matrix was successfully removed. Neither patient has presented with postoperative recurrence thanks to the wide-angle endoscopic view inside the petrous apex. Since the number of patients was small, comparisons with microscopic treatments are not yet valid, but endoscopes could offer a helpful tool for operating inside the petrous apex.
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4763-9
      Issue No: Vol. 274, No. 12 (2017)
       
  • CO 2 laser stapedotomy safety: influence of laser energy and time on
           bone-conduction hearing levels
    • Authors: Uwe Schönfeld; Hu Weiming; Veit M. Hofmann; Sergije Jovanovic; Andreas E. Albers
      Pages: 4131 - 4139
      Abstract: Total laser energy in CO2 stapedotomy depends on the laser settings and the amount of applications. It is unclear if the amount of total laser energy affects bone-conduction hearing thresholds and if possible effects are temporary or permanent. Alterations of bone-conduction hearing thresholds after single or multiple-shot CO2 laser stapedotomy were analyzed between 1 and 3 weeks and 1.5–6 months after primary (n = 501) or revision surgeries (n = 153) and correlated to time, laser energy, frequency, surgical technique, and pathology encountered in revision stapedotomy. In both time periods, most patients showed a lower bone-conduction threshold in the four-tone puretone average (PTA) at frequencies of 0.5, 1, 2, and 3 kHz that further improved over time. Between 1 and 3 weeks, the improvement was significant in subgroups with cumulative energies lower 1 J and successful one-shot technique or in revisions without laser application. The remaining subgroups with higher total energies showed significant improvements between 1.5 and 6 months. At 4 and 8 kHz, significant improvements were found during 1.5–6 months after primary and revision surgery independent of the used energy. Repeated CO2 laser applications showed no impairment in bone-conduction thresholds and can thus be considered as safe. In most patients, significant, yet unexplained, improvements in bone-conduction hearing thresholds were noticed in a time- and energy-related pattern.
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4769-3
      Issue No: Vol. 274, No. 12 (2017)
       
  • The role of subtotal petrosectomy in cochlear implant recipients
    • Authors: Xabier Altuna; Leire García; Zuriñe Martínez; Mercedes Fernández de Pinedo
      Pages: 4149 - 4153
      Abstract: Describe the indications and outcome of subtotal petrosectomy for cochlear implant recipients. Tertiary care referral center. This is a retrospective study of all subtotal petrosectomies and cochlear implants performed between January 2012 and December 2014. We review the charts of these patients collecting the following data: age, gender, otologic history, audiologic tests, indication of subtotal petrosectomy, data of surgery, surgical and immediate complications, late complications and follow-up of for at least 2.5 years. 12 cases of subtotal petrosectomies with cochlear implantation in 11 patients were performed during this period; 2 children and 10 adults. The indication for a cochlear implant was in 10 cases bilateral severe to profound sensorineural hearing loss and in the remaining 2 cases was asymmetric hearing loss or unilateral hearing loss. The reason for performing a subtotal petrosectomy was chronic otitis media with or without cholesteatoma, radical cavities from previous surgeries or electrode extrusion of previously implanted devices. All cases were performed in one stage. One patient had an infectious complication that required revision surgery and finally an explantation. No other complications are described. Subtotal petrosectomy combined with cochlear implantation is a procedure required in certain situations. It is an effective and safe procedure for managing middle ear problems and creating a safe cavity to receive a cochlear implant either in adults and children.
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4762-x
      Issue No: Vol. 274, No. 12 (2017)
       
  • Palatal ancient schwannoma: optical, immunohistochemical and
           ultrastructural study with literature review
    • Authors: Beatriz Vera-Sirera; Lorena Fernades-Ciacha; Luis M. Floria; Francisco Vera-Sempere
      Pages: 4195 - 4202
      Abstract: Schwannoma or neurilemmoma is a benign encapsulated slow-growing tumor that originates from a Schwann cell of a nerve, and is rare at intraoral locations. Different histological variants of schwannomas have been described, of these degenerative or ancient schwannoma is probably one of the least common in the oral cavity with only 16 previously reported cases, of which only one has been described in palatal location. Although ancient schwannoma shows particular characteristics, it is difficult to diagnose based on clinical and imaging appearance alone; as a result, morphological examination assisted by ancillary techniques is necessary to establish a definite diagnosis. We present a clinicopathological description of this rare variant of schwannoma, located in an unusual intraoral site, of a 26-year-old female. We illustrate the optical, immunohistochemical and ultrastructural characterization that aid diagnosis, as well as providing a review of the relevant published data of this unusual tumor.
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4759-5
      Issue No: Vol. 274, No. 12 (2017)
       
  • Anaplastic thyroid cancer and hyperfractionated accelerated radiotherapy
           (HART) with and without surgery
    • Authors: Anne-Birgitte Jacobsen; Krystyna K. Grøholt; Bianca Lorntzsen; Terje A. Osnes; Ragnhild Sørum Falk; Eva Sigstad
      Pages: 4203 - 4209
      Abstract: Anaplastic carcinoma of the thyroid gland (ATC) is one of the most aggressive cancers in humans. With insufficient treatment, the disease most often leads to death in suffocation. From 2002, our treatment strategy has been hyperfractionated accelerated radiotherapy (HART) with high doses (64 Gy) to the neck, followed by surgery 4–8 weeks later if feasible, with the aim to gain control in the neck. After a pathology review, 51 patients were diagnosed with ATC in the period 2002–2014 in the south-east of Norway. Thirty-one received HART, and we present a study of these patients, with death in suffocation as the primary endpoint and survival as the second. No patients treated with HART died in suffocation. Six had a tracheostomy during their course of disease, of whom four were dependent on a tracheal cannula when they died. The best median survival, 19 months, was obtained in the 13 patients where both radiotherapy and surgery were possible as primary treatments. Only surgery came out as a prognostic factor for survival in multivariate analysis. Patients surviving more than 2 years were characterised by having surgery with R0 resection and no or small residual foci of ATC in the specimens. Stage 4C patients survived 3 months only.
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4764-8
      Issue No: Vol. 274, No. 12 (2017)
       
  • Transoral robotic surgery for squamous cell carcinomas of the posterior
           pharyngeal wall
    • Authors: B. Lallemant; S. Moriniere; P. Ceruse; M. Lebalch; K. Aubry; S. Hans; G. Dolivet; O. Malard; Q. Bonduelle; S. Vergez
      Pages: 4211 - 4216
      Abstract: Posterior pharyngeal wall squamous cell carcinomas (SCCs) are rare and have an associated poor prognosis. Progress in transoral resection techniques, in particular, transoral robotic surgery (TORS), have renewed the role of surgery in their treatment. This article presents the oncological and functional results obtained by the French Group of Head and Neck Robotic Surgery for TORS for posterior pharyngeal wall SCC-curative surgery. This retrospective, multicentre study presents data collected between September 2009 and November 2013 for patients treated with TORS for posterior pharyngeal wall SCCs. Analysis of patient characteristics, tumour and treatment details were completed. Kaplan–Meier analysis was used to calculate overall survival rates and recurrence-free survival rates. Student’s t test and Chi2 test were also calculated. 23 patients were included (mean age of 62 years). 12 patients had a prior HNSCC. Ten patients had pT1 cancers. The overall two-year survival rate was 59%, but 89% for pT1 compared to 28% for pT2-T3 (p = 0.01). It was noted that TORS was simple to perform, but generated significant post-operative dysphagia. Two cases of spondylodiscitis were reported as specific post-operative complications of TORS. In conclusion, TORS is a treatment solution for selected posterior pharyngeal wall SCCs. It provides a possible alternative to medical treatment for early pT1 lesions and is often the only remaining curative solution in patients previously treated with radiotherapy. In cases of bulky resection, or when there is a past medical history of radiotherapy, a tissue reconstruction by forearm free-flap may be indicated.
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4771-9
      Issue No: Vol. 274, No. 12 (2017)
       
  • Objective assessment of the reliability of the House–Brackmann and
           Fisch grading of synkinesis
    • Authors: Verena Meier-Gallati; Henning Scriba
      Pages: 4217 - 4223
      Abstract: The objective of this paper is to assess synkinesis associated with post paretic voluntary facial movements using the objective OSCAR method and to investigate the correlation between synkinesis and paresis to compare the objective results with the subjective scaling systems of Fisch and House–Brackmann. The development of an objective assessment of synkinesis with the OSCAR method is focused on the clinically most relevant eye-mouth and forehead-mouth synkinetic movements. Thirteen patients with unilateral facial paralysis and synkinesis of the University Hospital Zurich were examined. Two types of clinically relevant facial synkinesis were found: a maximal synkinesis and a relative synkinesis. Neither Synkinesis-Index correlates well with the underlying degree of global facial palsy. The relative Synkinesis-Index (rSI) correlates well with the subjective evaluation of synkinesis according to the Fisch Grading, but shows a poor correlation with the traditional House–Brackmann grading. Therefore a single scaling index combining the degree of facial nerve palsy and synkinesis is inappropriate and we propose the use of two independent scaling systems for the evaluation of facial palsy: one for the voluntary facial movements, the other for the involuntary synkinetic movements. The adequate evaluation of the post paretic face should include the results of both scaling systems.
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4770-x
      Issue No: Vol. 274, No. 12 (2017)
       
  • Surgical management of primary hyperparathyroidism
    • Authors: Stephen Ryan; Danielle Courtney; Julia Moriariu; Conrad Timon
      Pages: 4225 - 4232
      Abstract: We reviewed the surgical management of primary hyperparathyroidism through a retrospective chart review of 200 parathyroidectomy procedures performed over a 12 year period. Epidemiological data and accuracy of radiological investigations used in identifying pathological parathyroid tissue location were assessed. We determined how often simultaneous removal of thyroid tissue was required during parathyroidectomy and the associated pathology. Radiology reports were screened to determine if confirmed thyroid pathology from histological specimens were referenced pre-operatively. Open parathyroid surgery was performed in 71%, the remainder endoscopically. 95% of parathyroid specimens were confirmed as benign adenomas, with eight cases of hyperplasia and two parathyroid carcinomas. Pre-operative ultrasound and SPECT-CT imaging demonstrated sensitivity of 55% and 73% respectively with regards correct adenoma localisation. Forty-nine patients (25%) underwent simultaneous partial thyroidectomy, 45 (92%) with dual pathology confirmed. Malignant thyroid lesions were identified in 18% (n = 8), Graves’ disease 2% (n = 1), thyroiditis 9% (n = 4), multinodular goitre 56% (n = 25), unilateral nodule 4% (n = 2), hyperplasia 7% (n = 3) and intra-thyroid adenoma 4% (n = 2). Reference to these thyroid lesions was made in only 36% of preoperative imaging reports. In conclusion, synchronous thyroid surgery was carried out in a quarter of all parathyroidectomy procedures performed for treatment of primary hyperparathyroidism. Coincidental thyroid pathology was common. The limitations of pre-operative imaging in reliably locating involved parathyroid tissue are demonstrated and the importance of considering the potential need to perform thyroid surgery during parathyroidectomy and obtaining appropriate informed consent.
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4776-4
      Issue No: Vol. 274, No. 12 (2017)
       
  • Are the Epworth Sleepiness Scale and Stop-Bang model effective at
           predicting the severity of obstructive sleep apnoea (OSA); in particular
           OSA requiring treatment'
    • Authors: Binita Panchasara; Alan J. Poots; Gary Davies
      Pages: 4233 - 4239
      Abstract: Obstructive sleep apnoea (OSA) is a condition characterised by repetitive upper airway collapse during sleep. The condition carries a range of health sequelae that can prove fatal in cases with co-existing risk factors for the condition, such as obesity and hypertension. Utilisation of a high-performance screening tool for OSA is thus important. A retrospective audit using the ESS and Stop-Bang scores, alongside Apnoea–Hypopnea Index values, for patients who underwent polysomnography over 1 year. Multinomial logistic regression was used to compare the predictive abilities of ESS, SBM, and body mass index (BMI) for the patient outcome groups, “None” (No OSA), “Notreat” (OSA not requiring treatment) and “treat” (OSA requiring treatment). The influences of age, gender and BMI on outcome group were also assessed. 126 bariatric and 66 non-bariatric patients were included. Multinomial logistic regression failed to demonstrate predictive ability of ESS. A higher Stop-Bang score significantly increases the risk being in the “treat” group. In addition, male gender, greater age and a higher BMI each individually increase the risk of OSA requiring treatment. Stop-Bang failed to demonstrate predictive significance when age and gender were controlled for. ESS is not an appropriate screening tool for OSA. Stop-Bang, however, remains a useful screening tool, with the ability to detect patient with OSA in need of treatment. Further study may benefit the development and implementation of a concise and more specific screening tool that considers high evidence-based risk factors for OSA, including male gender, greater age and raised BMI.
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4725-2
      Issue No: Vol. 274, No. 12 (2017)
       
  • Why does the acquired cholesteatoma trigger resorption of the temporal
           bone'
    • Authors: Jerzy Kuczkowski; Tomasz K. Nowicki; Anna Starzyńska
      Pages: 4251 - 4252
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4633-5
      Issue No: Vol. 274, No. 12 (2017)
       
  • Reply to the Letter to the Editor regarding “Etiopathogenesis of bone
           resorption in acquired middle ear cholesteatoma”
    • Authors: Shumin Xie; Wei Liu; Jihao Ren
      Pages: 4253 - 4253
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4693-6
      Issue No: Vol. 274, No. 12 (2017)
       
  • Microarray technology for identification of human papilloma virus subtype
           in oropharyngeal squamous cell carcinoma
    • Authors: Soung Min Kim
      Pages: 4255 - 4257
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4662-0
      Issue No: Vol. 274, No. 12 (2017)
       
  • Letter to editor: Current and future techniques for human papilloma virus
           (HPV) testing in oropharyngeal squamous cell carcinoma
    • Authors: Ali Qureishi; Stuart Winter
      Pages: 4259 - 4259
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4675-8
      Issue No: Vol. 274, No. 12 (2017)
       
  • Reply to commentary to: factors influencing endoscopic
           dacryocystorhinostomy outcome
    • Authors: Kazuhiro Nomura; Kazuya Arakawa; Mitsuru Sugawara; Hiroshi Hidaka; Jun Suzuki; Yukio Katori
      Pages: 4263 - 4263
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4710-9
      Issue No: Vol. 274, No. 12 (2017)
       
  • Assessment of laryngopharyngeal reflux and the shape of the Eustachian
           tube should be considered in chronic rhinosinusitis with nasal polyps and
           chronic otitis media
    • Authors: Zhengcai Lou
      Pages: 4265 - 4266
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4684-7
      Issue No: Vol. 274, No. 12 (2017)
       
  • Reply to Letter to the Editor in reference to “The transotic approach
           for vestibular schwannoma: indications and results”
    • Authors: Yin Xia
      Pages: 4271 - 4272
      Abstract: This communication is the response to letter to the editor in reference to “The transotic approach for vestibular schwannoma: indications and results”.
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4711-8
      Issue No: Vol. 274, No. 12 (2017)
       
  • Commentary on: comparison of endoscopic and microscopic tympanoplasty
    • Authors: Zhengcai Lou
      Pages: 4273 - 4274
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4704-7
      Issue No: Vol. 274, No. 12 (2017)
       
  • In response to Letter to the Editor entitled “Commentary on: Comparison
           of endoscopic and microscopic tympanoplasty”
    • Authors: Che-hung Kuo; Hsing-mei Wu
      Pages: 4275 - 4276
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4741-2
      Issue No: Vol. 274, No. 12 (2017)
       
  • Reply to Dijemeni et al.’s comments concerning: “The comparability of
           drug-induced sedation classification systems”
    • Authors: Alonço da Cunha Viana; Daniella Leitão Mendes; Lucas Neves de Andrade Lemes; Luiz Claudio Santos Thuler; Denise Duprat Neves; Maria Helena de Araújo-Melo
      Pages: 4279 - 4280
      PubDate: 2017-12-01
      DOI: 10.1007/s00405-017-4735-0
      Issue No: Vol. 274, No. 12 (2017)
       
 
 
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