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Publisher: Springer-Verlag   (Total: 2336 journals)

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Showing 1201 - 1400 of 2336 Journals sorted alphabetically
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: 7, 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: 1)
J. of Computational Analysis and Applications     Hybrid Journal   (SJR: 0.291, h-index: 19)
J. of Computational Electronics     Hybrid Journal   (Followers: 3, SJR: 0.511, h-index: 20)
J. of Computational Neuroscience     Hybrid Journal   (Followers: 19, 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: 7, SJR: 0.151, h-index: 2)
J. of Computer-Aided Molecular Design     Hybrid Journal   (Followers: 4, SJR: 0.995, h-index: 78)
J. of Computers in Education     Hybrid Journal   (Followers: 8)
J. of Computing in Higher Education     Hybrid Journal   (Followers: 12, SJR: 0.363, h-index: 21)
J. of Consumer Policy     Hybrid Journal   (Followers: 5, 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: 1, SJR: 0.197, h-index: 6)
J. of Contemporary Psychotherapy     Hybrid Journal   (Followers: 5, 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: 7, SJR: 0.231, h-index: 9)
J. of Crop Science and Biotechnology     Hybrid Journal   (Followers: 7)
J. of Cross-Cultural Gerontology     Hybrid Journal   (Followers: 3, 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: 2, SJR: 1.443, h-index: 55)
J. of Cultural Economics     Hybrid Journal   (Followers: 2, SJR: 0.539, h-index: 29)
J. of Database Marketing & Customer Strategy Management     Hybrid Journal   (Followers: 8, SJR: 0.149, h-index: 8)
J. of Derivatives & Hedge Funds     Hybrid Journal   (Followers: 7, 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: 8, 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: 2, 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: 8, SJR: 0.483, h-index: 16)
J. of Earth System Science     Open Access   (Followers: 41, SJR: 0.448, h-index: 32)
J. of East Asian Linguistics     Hybrid Journal   (Followers: 5, SJR: 0.537, h-index: 20)
J. of Echocardiography     Hybrid Journal   (Followers: 4, SJR: 0.22, h-index: 3)
J. of Economic Growth     Hybrid Journal   (Followers: 23, 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: 9, 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: 5, SJR: 0.851, h-index: 45)
J. of Electroceramics     Hybrid Journal   (SJR: 0.577, h-index: 57)
J. of Electronic Materials     Hybrid Journal   (Followers: 3, 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 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   (SJR: 0.145, h-index: 5)
J. of Engineering Thermophysics     Hybrid Journal   (Followers: 2, 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: 8, SJR: 0.492, h-index: 52)
J. of Experimental and Theoretical Physics     Hybrid Journal   (Followers: 4, SJR: 0.458, h-index: 39)
J. of Experimental Criminology     Hybrid Journal   (Followers: 30, 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: 18, 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: 16, 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: 5, 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: 6, 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: 6, 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: 4, 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: 3, SJR: 0.304, h-index: 39)
J. of Gastrointestinal Surgery     Hybrid Journal   (Followers: 5, SJR: 1.64, h-index: 99)
J. of General Internal Medicine     Hybrid Journal   (Followers: 13, 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: 4, SJR: 0.902, h-index: 39)
J. of Genetics     Open Access   (Followers: 4, SJR: 0.458, h-index: 28)
J. of Geodesy     Hybrid Journal   (Followers: 8, 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: 3, SJR: 0.822, h-index: 39)
J. of Geometric Analysis     Hybrid Journal   (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: 8)
J. of Grid Computing     Hybrid Journal   (SJR: 1.414, h-index: 37)
J. of Hand and Microsurgery     Hybrid Journal   (Followers: 1)
J. of Happiness Studies     Hybrid Journal   (Followers: 17, 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: 5, SJR: 1.308, h-index: 50)
J. of High Energy Physics     Hybrid Journal   (Followers: 5, 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: 6, 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: 8, 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 Philosophy     Hybrid Journal   (Followers: 11, SJR: 0.127, h-index: 12)
J. of Indian Prosthodontic Society     Open Access   (SJR: 0.164, h-index: 7)
J. of Industrial Microbiology and Biotechnology     Hybrid Journal   (Followers: 13, SJR: 0.966, h-index: 80)
J. of Industry, Competition and Trade     Hybrid Journal   (Followers: 6, 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: 49, SJR: 1.474, h-index: 55)
J. of Information Technology Teaching Cases     Hybrid Journal   (Followers: 7)
J. of Infrared, Millimeter and Terahertz Waves     Hybrid Journal   (Followers: 1, 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: 7, SJR: 0.338, h-index: 33)
J. of Insect Behavior     Hybrid Journal   (Followers: 9, 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: 2, 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: 4, 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: 28, SJR: 4.208, h-index: 130)
J. of Intl. Entrepreneurship     Hybrid Journal   (Followers: 9, SJR: 0.549, h-index: 23)
J. of Intl. Migration and Integration / Revue de l integration et de la migration internationale     Hybrid Journal   (Followers: 12, SJR: 0.308, h-index: 13)
J. of Intl. Relations and Development     Hybrid Journal   (Followers: 20, SJR: 0.793, h-index: 22)
J. of Labor Research     Hybrid Journal   (Followers: 15, 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: 2, 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: 1, SJR: 2.252, h-index: 83)
J. of Management and Governance     Hybrid Journal   (Followers: 12, 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: 3, 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: 21, SJR: 0.228, h-index: 8)
J. of Market-Focused Management     Hybrid Journal   (Followers: 2)
J. of Marketing Analytics     Hybrid Journal   (Followers: 3)
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: 19, SJR: 0.836, h-index: 123)
J. of Materials Science : Materials in Electronics     Hybrid Journal   (Followers: 3)
J. of Materials Science : Materials in Medicine     Hybrid Journal   (Followers: 5)
J. of Mathematical Biology     Hybrid Journal   (Followers: 12, SJR: 1.011, h-index: 71)
J. of Mathematical Chemistry     Hybrid Journal   (Followers: 5, SJR: 0.497, h-index: 45)
J. of Mathematical Fluid Mechanics     Hybrid Journal   (Followers: 5, SJR: 1.22, h-index: 22)
J. of Mathematical Imaging and Vision     Hybrid Journal   (Followers: 3, 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: 13, SJR: 1.062, h-index: 20)
J. of Maxillofacial and Oral Surgery     Hybrid Journal   (Followers: 1)
J. of Mechanical Science and Technology     Hybrid Journal   (Followers: 5, 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: 19, 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: 4, 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: 1, 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: 7, SJR: 0.741, h-index: 43)
J. of Mining Science     Hybrid Journal   (Followers: 5, 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: 2, SJR: 0.755, h-index: 48)
J. of Molecular Medicine     Hybrid Journal   (Followers: 15, 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: 9, 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: 5, 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: 13, 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: 9, 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: 4, 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: 19, SJR: 0.919, h-index: 60)
J. of Obstetrics and Gynecology of India     Hybrid Journal   (Followers: 7, SJR: 0.214, h-index: 6)
J. of Occupational Rehabilitation     Hybrid Journal   (Followers: 15, SJR: 0.811, h-index: 51)
J. of Ocean Engineering and Marine Energy     Hybrid Journal   (Followers: 1)
J. of Ocean University of China (English Edition)     Hybrid Journal   (Followers: 1, SJR: 0.237, h-index: 11)
J. of Oceanography     Hybrid Journal   (Followers: 9, 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: 3)
J. of Optics     Hybrid Journal   (Followers: 6, SJR: 0.214, h-index: 8)
J. of Optimization Theory and Applications     Hybrid Journal   (Followers: 3, SJR: 0.898, h-index: 65)
J. of Ornithology     Hybrid Journal   (Followers: 21)
J. of Orofacial Orthopedics / Fortschritte der Kieferorthopädie     Hybrid Journal   (SJR: 0.574, h-index: 33)
J. of Orthopaedic Science     Hybrid Journal   (Followers: 5, SJR: 0.708, h-index: 48)
J. of Paleolimnology     Hybrid Journal   (Followers: 5, SJR: 0.984, h-index: 64)
J. of Parasitic Diseases     Hybrid Journal   (Followers: 2, SJR: 0.298, h-index: 9)
J. of Pediatric Neuropsychology     Hybrid Journal   (Followers: 2)
J. of Pest Science     Hybrid Journal   (Followers: 2, SJR: 1.341, h-index: 28)
J. of Pharmaceutical Health Care and Sciences     Open Access  
J. of Pharmaceutical Innovation     Hybrid Journal   (Followers: 8, SJR: 0.524, h-index: 17)
J. of Pharmaceutical Investigation     Hybrid Journal   (Followers: 1, SJR: 0.331, h-index: 6)
J. of Pharmacokinetics and Pharmacodynamics     Hybrid Journal   (Followers: 21, SJR: 0.708, h-index: 46)
J. of Phase Equilibria and Diffusion     Hybrid Journal   (Followers: 19, SJR: 0.433, h-index: 36)
J. of Philosophical Logic     Hybrid Journal   (Followers: 8, SJR: 0.704, h-index: 26)

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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  [2336 journals]
  • Cancer stem cells in laryngeal cancer: what we know
    • Authors: A. Greco; Maria Ida Rizzo; A. De Virgilio; A. Gallo; M. Fusconi; G. Pagliuca; S. Martellucci; R. Turchetta; M. De Vincentiis
      Pages: 3487 - 3495
      Abstract: Abstract Cancer stem cells (CSCs) are a group of cells with eternal life or infinite self-renewal ability, which have high migrating, infiltrative, and metastatic abilities. Though CSCs only account for a small proportion in tumors, the high resistance to traditional therapy exempts them from therapy killing and thus they can reconstruct tumors. Previous studies found that heterogeneity of cancer cells extensively exists in head and neck cancers. Our current knowledge, about CSCs in the laryngeal cancer (LC), largely depends on head and neck studies. Given the lack of systematic data about CSCs in LC, we propose a review of the literature, reporting the evidences of CSCs in tumorigenesis of LC, with the purpose to provide new insights into the prevention and/or treatment of laryngeal carcinoma.
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-015-3837-9
      Issue No: Vol. 273, No. 11 (2016)
  • A new graft material for myringoplasty: bacterial cellulose
    • Authors: Sultan Biskin; Murat Damar; Sema Nur Oktem; Erdal Sakalli; Duygu Erdem; Onur Pakir
      Pages: 3561 - 3565
      Abstract: Abstract We aimed to determine the success rate of bacterial cellulose (BC) myringoplasty in tympanic membrane (TM) perforation. We reviewed the clinical records of 12 patients (16 ears) who underwent BC myringoplasty for long-standing TM perforations (>6 months) between March 2012 and January 2015. The mean duration of postoperative follow-up was 12.8 (range 6–24) months. In all patients, the perforation involved less than 50 % of the tympanic membrane, and the air-bone gap was ≤30 dB on the operative side. The age, gender, preoperative air average, bone average, air-bone gap, perforation size and location, and postoperative TM microscopic examinations of the patients were recorded. Following the BC myringoplasty, complete coverage of the perforation occurred in the first 6 months in 13 of 16 ears (81.3 %), although retraction occurred in two of these ears within 6 months. In three ears (18.8 %), the perforation persisted during the first postoperative month. The pre- and postoperative average air threshold was 19.56 (range 7–75) and 15.69 (range 5–75) dB, respectively. The pre- and postoperative average air-bone gap was 9.25 (range 0–25) and 5.63 (0–25) dB, respectively. Both the air threshold and air-bone gap improved postoperatively (both p = 0.008). No complications such as infection and granulation tissue formation were detected in any patient. BC is a safe graft material that is inexpensive, easy-to-use, and provides a high success rate in small tympanic membrane perforations. However, further studies of large tympanic membrane perforations with more samples and long-term follow-up are required.
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-3959-8
      Issue No: Vol. 273, No. 11 (2016)
  • The influence of frequency-dependent hearing loss to unaided APHAB scores
    • Authors: J. Löhler; B. Akcicek; B. Wollenberg; T. Kappe; P. Schlattmann; R. Schönweiler
      Pages: 3587 - 3593
      Abstract: Abstract Hearing loss can be measured by pure-tone and speech audiometry. The subjective hearing impairment can be assessed using questionnaires. The APHAB determines this for four typical hearing situations. It has not been researched previously whether a particular frequency-specific hearing loss leads to a particular unaided APHAB score in one of the subscales or not. Clarification could be helpful using the unaided APHAB as an instrument for primary diagnostics of hearing loss independently of whether hearing aids were subsequently fitted or not. A total of 4546 records from a database were analysed; the average age of the subjects was 69.3 years. Using a multivariant mixed linear model, a possible correlation was examined between a frequency-specific hearing loss (0.5–8.0 kHz) and particular unaided APHAB scores for its subscales. Furthermore, it was determined whether the subject’s gender has a corresponding impact. There was no evidence of gender-specific dependence of the unaided APHAB scores. For the EC scale frequencies above 0.5 kHz, for the RV scale all frequencies and for the AV scale the frequencies at 1.0 and 2.0 kHz showed a significant correlation between hearing loss and the APHAB score. For each decibel of hearing loss there was an average rise in the APHAB score for the EC and RV scale of approximately 0.2 percentage points and an average decrease in the AV scale of 0.1 percentage points for each frequency. For the BN scale there was no evidence of this kind of correlation. The very varied possibility between individuals compensating for hearing loss in situations with background noises could be that there is no correlation between frequency-specific hearing loss and an associated unaided APHAB score. The described frequency-specific influence of hearing loss to the EC and RV score could be explained by fewer compensating possibilities for the patients in these specific hearing situations than for the BN scale described. Using the unaided APHAB form in primary diagnostics of hearing impairment is helpful for understanding individual problems.
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-3966-9
      Issue No: Vol. 273, No. 11 (2016)
  • Performance of the round window soft coupler for the backward stimulation
           of the cochlea in a temporal bone model
    • Authors: Antoniu-Oreste Gostian; David Schwarz; Philipp Mandt; Andreas Anagiotos; Magdalene Ortmann; David Pazen; Dirk Beutner; Karl-Bernd Hüttenbrink
      Pages: 3651 - 3661
      Abstract: Abstract The round window vibroplasty is a feasible option for the treatment of conductive, sensorineural and mixed hearing loss. Although clinical data suggest a satisfying clinical outcome with various coupling methods, the most efficient coupling technique of the floating mass transducer to the round window is still a matter of debate. For this, a soft silicone-made coupler has been developed recently that aims to ease and optimize the stimulation of the round window membrane of this middle ear implant. We performed a temporal bone study evaluating the performance of the soft coupler compared to the coupling with individually shaped cartilage, perichondrium and the titanium round window coupler with loads up to 20 mN at the unaltered and fully exposed round window niche. The stimulation of the cochlea was measured by the volume velocities of the stapes footplate detected by a laser Doppler vibrometer. The coupling method was computed as significant factor with cartilage and perichondrium allowing for the highest volume velocities followed by the soft and titanium coupler. Exposure of the round window niche allowed for higher volume velocities while the applied load did not significantly affect the results. The soft coupler allows for a good contact to the round window membrane and an effective backward stimulation of the cochlea. Clinical data are mandatory to evaluate performance of this novel coupling method in vivo.
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-3997-2
      Issue No: Vol. 273, No. 11 (2016)
  • Protective role of misoprostol against cisplatin-induced ototoxicity
    • Authors: Murat Doğan; Halil Polat; Mehmet Yaşar; Altan Kaya; Ali Bayram; Fatma Şenel; İbrahim Özcan
      Pages: 3685 - 3692
      Abstract: Abstract Cis-diammineedichloroplatinum (cisplatin) is a chemotherapeutic agent that is widely used in the treatment of many cancers. Nephrotoxicity, ototoxicity and neurotoxicity are dose-limiting adverse effects for cisplatin. The cellular and molecular mechanisms underlying cisplatin-induced ototoxicity aren’t fully understood. It has been proposed that cisplatin primarily cause damage at the cochlea, outer hair cells in particular, leading to excessive production of free oxygen radicals in the organ of Corti, stria vascularis, spiral ligament, and spiral ganglionic cells. The cytotoxicity is associated with the generation of reactive oxygen species (ROS); thus, there is an increasing interest on antioxidants with an effort to discover the established protection against cisplatin-induced ototoxicity over time. Misoprostol (MP) has gained considerable interest as a reactive oxygen species scavenger in recent years. To best of our knowledge, there is no study about protective effect of MP, a prostaglandin E1 (PGE1) analogue, on cisplatin-induced ototoxicity. In our study, we show that protective effects of misoprostol on cisplatin-induced ototoxcity on rats.
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-4031-4
      Issue No: Vol. 273, No. 11 (2016)
  • Etiology and associated GJB2 mutations in Mauritanian children with
           non-syndromic hearing loss
    • Authors: Ely Cheikh Mohamed Moctar; Zied Riahi; Hala El Hachmi; Fatimetou Veten; Ghlana Meiloud; Christine Bonnet; Sonia Abdelhak; Mohammed Errami; Ahmed Houmeida
      Pages: 3693 - 3698
      Abstract: Abstract Origins of all hearing impairment forms may be divided into genetic mutations and acquired influence. Both carry damage to the inner ear structure resulting in a mild to profound dysfunction of the auditory system. The purpose of this study was to assess the different etiologies of deafness in two reference centers for hearing-impaired children in Nouakchott/Mauritania. Data on gender, age, consanguinity, etiology and family history of deafness were gathered by interviewing the custodians of 139 children with hearing loss. DNA of pupils with hereditary non-syndromic deafness was then screened for GJB2 mutations by sequencing methods. Postnatal hearing loss was found in 36 (25.8 %) out of the 139 children surveyed. The main etiologies of this group were infections caused by meningitis (12.9 %) and measles (2.8 %). Unknown and ototoxic origins accounted for, respectively, 5.7 and 3.5 %. In 103 (74.1 %) children, deafness was identified near after the time of birth and, therefore, presumed as congenital. 56.8 % of deaf children had consanguineous parents. Two GJB2 mutations, c.del35G with an allele frequency of 4.7 % and R32C (3.7 %) were detected. Infections such as meningitis and measles were the most prevalent causes of postnatal deafness. In cases of congenital hearing impairment, two GJB2 allele variants, i.e., del35G and R32C (3.7 %) were detected. Extended genetic testing is recommended for a more comprehensive determination of congenital causes.
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-4036-z
      Issue No: Vol. 273, No. 11 (2016)
  • A meta-analysis for the role of proton pump inhibitor therapy in patients
           with laryngopharyngeal reflux
    • Authors: Chunhui Wei
      Pages: 3795 - 3801
      Abstract: Abstract We aimed to systematically review the randomized controlled trials (RCTs) regarding the therapeutic efficiency of proton pump inhibitor (PPI) therapy for laryngopharyngeal reflux (LPR). Randomized and placebo-controlled trials regarding the therapeutic efficacy of PPIs on LPR patients were systematically searched from MEDLINE, Cochrane Library, and EMBASE. Data were extracted from eligible studies meeting the inclusion criteria. Heterogeneity among these eligible studies was evaluated by the Q-statistic and I 2 test, based on which a fixed- or random-effects model was performed to pooled relative risks (RRs) for the response rate and standardized mean differences (SMDs) for reflux symptom index (RSI) and the reflux finding score (RFS). Potential publication bias was evaluated by trim and fill method. Totally, 13 RCTs including 831 LPR patients were eligible for this meta-analysis. Pooled results demonstrated that the total RSI significantly improved for patients who received PPI therapy by comparing with those receiving placebo (SMD = 3.65; 95 % CI 1.56–5.75), though no significant difference was found in response rate (RR = 0.04, 95 % CI −0.06 to 0.14) and RFS (SMD = 0.91; 95 % CI −0.53 to 2.35) between these two groups of patients. No publication bias was found among eligible studies. PPI treatment could significantly improve reflux symptoms in LPR patients and, therefore, should be taken into consideration for LPR management with other strategies, such as lifestyle modification.
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-4142-y
      Issue No: Vol. 273, No. 11 (2016)
  • Head and neck cutaneous leishmania: clinical characteristics, microscopic
           features and molecular analysis in a cohort of 168 cases
    • Authors: Gabriel Dunya; Robert Habib; Roger V. Moukarbel; Ibrahim Khalifeh
      Pages: 3819 - 3826
      Abstract: Abstract Lebanon, an underendemic area for cutaneous leishmania (CL), is suffering from a CL outbreak brought by the massive population influx from endemic Syria. CL affects mainly exposed areas; therefore, the head and neck (HN) region is highly susceptible. Individuals diagnosed and speciated with CL (n = 168) using molecular and microscopic analysis on punch biopsy/scrapings were studied. Clinical data, parasitic index (PI) and Ridley’s Pattern (RP) were recorded. The HN was divided into 11 anatomic locations. Of 168 patients, 96 patients (57.1 %) had HN involvement and 72 (42.9 %) had no HN involvement. Lesions from the HN were significantly more common in younger patients and were more prone for ulceration, had larger size, higher PI and more advanced RP (p < 0.05). There was no difference in the anatomic distribution of lesions among age groups and genders in the HN group. The cheek area was the most HN involved location. Lesions were less commonly encountered in the veiled area in women. In the community we studied, HN is commonly involved by CL. Lesions with HN involvement were encountered more in pediatric age group and showed more extensive features.
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-3978-5
      Issue No: Vol. 273, No. 11 (2016)
  • Pectoralis major myofascial interposition flap prevents postoperative
           pharyngocutaneous fistula in salvage total laryngectomy
    • Authors: Lukas Anschütz; Lluís Nisa; Olgun Elicin; Beat Bojaxhiu; Marco Caversaccio; Roland Giger
      Pages: 3943 - 3949
      Abstract: Abstract Pharyngocutaneous fistula (PCF) is the most cumbersome complication after salvage total laryngectomy (STL) in patients who have been previously irradiated for laryngeal or hypopharyngeal cancer. To assess the fistula rate, risk factors and effects of primary closure with and without pectoralis major myofascial interposition flap (PMMIF) on fistula formation, we conducted a retrospective review. We identified 48 patients from 2004 to 2013 who underwent STL after failure of primary curative (chemo)radiotherapy in laryngeal or hypopharyngeal cancer. Details of risk factors for PCF formation, other postoperative complications and general outcome data were analyzed. Ten (20.8 %) out of 48 patients underwent STL with PMMIF closure. Patient and tumor features were not different between the groups with or without PMMIF closure. PCF rates were 0 and 42.1 % in patients with and without PMMIF, respectively (p = 0.002). Other operative complications were similar. We identified prior neck irradiation to be a risk factor for fistula formation (p = 0.04). Patients without PCF had a statistically significant reduction of average hospital stay (20 vs. 56 days; p = 0.001). Analysis of fistula management revealed 50 % of PCF to be closed secondarily by a pectoralis major myocutaneous flap. Over one-third of fistulae persisted despite attempted surgical closure in some cases. PMMIF is useful to prevent PCF in STL following (chemo)radiotherapy. Neck irradiation during primary treatment is a risk factor for PCF formation.
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-4049-7
      Issue No: Vol. 273, No. 11 (2016)
  • What are the real waiting times for therapeutic management of head and
           neck cancer: a study in the general population in the north-west of France
    • Authors: Anne-Valerie Guizard; Olivier Dejardin; Ludivine Launay; Simona Bara; Bénédicte Lapôtre-Ledoux; Emmanuel Babin; Guy Launoy; Karine Ligier
      Pages: 3951 - 3958
      Abstract: Abstract Head and neck cancers (HNC) have a poor prognosis and a long treatment delay may have a negative impact on this. Some studies have investigated the determinants of this delay but not in the general population and rarely taking into account socio-economic factors. A high-resolution population-based study about cancer management was conducted, using registries in the north-west of France, on HNC diagnosed between 2008 and 2010. The median time between diagnosis and multidisciplinary team meeting (DMI) (N = 1631) was 14 days (Q1: 7 to Q3: 26). The median time between diagnosis and first treatment (DTI) (N = 1519) was 35 days (Q1: 21 to Q3: 54). When the first treatment was radiotherapy, the interval was 54.5 days (Q1: 40 to Q3: 71). In multivariate analysis, DTI was associated with the type of first treatment and place of treatment. For advanced stage HNC, DTI was associated with comorbidities, topography of the cancer and socio-economic status, underprivileged patients being treated later than privileged ones. Given the French governmental cancer plans which set out to coordinate care pathways via nursing coordinators and to improve the availability of radiotherapy, the waiting times observed in this study still seem long. The optimal care pathway should include adapted social management but the DTI was still longer for underprivileged patients.
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-4056-8
      Issue No: Vol. 273, No. 11 (2016)
  • Usefulness of radiologic examinations for diagnosing level VI lymph node
           metastasis in patients with laryngohypopharyngeal carcinoma
    • Authors: Hae Sang Park; Eun Jae Chung; Min Woo Park; Sung Hee Bae; Soo Yeon Jung; Han Su Kim; Dae Young Yoon; Young Soo Rho
      Pages: 3959 - 3964
      Abstract: Abstract The aim of this study was to estimate the usefulness of imaging modalities for diagnosing level VI lymph node metastasis in patients with laryngohypopharyngeal cancer. A retrospective review of 138 patients with squamous cell carcinoma of the larynx or hypopharynx who underwent central compartment neck dissection (CCND) was performed. Level VI metastasis occurred in 29 of 138 (21 %) patients. CT accuracy and sensitivity for level VI lymph node was 85.5 and 48.3 %, respectively. Respective values for MRI, US, and PET were 84.4 and 41.4 %, 87.7 and 44.8 %, and 81.2 and 34.5 %. CT combined with US demonstrated the best result in sensitivity (51.7 %) and negative predictive value (NPV) (88.1 %) compared to those of other imaging techniques. CT combined with US could improve sensitivity and NPV compared to CT or US alone. Considering cost-effectiveness and the highest results in all parameters compared to those of other combinations of imaging techniques, CT combined with US could be the best preoperative imaging modalities for evaluating laryngohypopharyngeal cancer. However, these imaging techniques are not absolutely reliable methods for detecting occult metastasis in the level VI due to high false-negative rates. Elective CCND should be considered in indicated patients (>N2b, T4), even if physical examinations and the radiologic findings of level VI nodes are negative.
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-4062-x
      Issue No: Vol. 273, No. 11 (2016)
  • Charcoal suspension tattoo: new tool for the localization of malignant
           laterocervical lymph nodes
    • Authors: Giancarlo Tirelli; M. A. Cova; F. Zanconati; E. Makuc; D. Bonazza; M. Tofanelli; R. Di Lenarda; N. Gardenal
      Pages: 3973 - 3978
      Abstract: Abstract We present a retrospective study to evaluate safety and effectiveness of ultrasound (US)-guided tattooing with charcoal of suspicious laterocervical lymph nodes. When an open biopsy of a laterocervical lymph node is needed, the choice of the lymph node to excise and examine is fundamental to avoid rebiopsy. Surgeons tend to choose the most surgical approachable enlarged lymph node that does not always correspond to the one with worst echographic aspect. We present 16 cases of patients with laterocervical adenopathy with inconclusive or non-adequate results at fine needle aspiration cytology addressed to open biopsy. Those patients underwent US-guided preoperative injection of a charcoal suspension inside the lymph node to excise to mark it, and then excisional biopsy was performed. Sixteen marked lesions (100 %) were detected intraoperatively and dissected. The injected charcoal was detected intraoperatively in all cases. In 14 patients (87, 5 %) it was inside the lesion; in two cases (12, 5 %), the charcoal suspension was found in the tissues above the lesion. The procedure was well tolerated in all cases. No major procedure-related complications were encountered. US-guided charcoal tattooing is a new, safe, well-tolerated, and easy-to-perform technique for the marking of US suspicious laterocervical lymph nodes. This preliminary study shows a high technical success rate (76 %) and high percentage of intraoperative detection of marked lesions (100 %) with a low rate of complications.
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-4075-5
      Issue No: Vol. 273, No. 11 (2016)
  • Prospects and limitations of different registration modalities in
           electromagnetic ENT navigation
    • Authors: Eric Soteriou; Juergen Grauvogel; Roland Laszig; Tanja Daniela Grauvogel
      Pages: 3979 - 3986
      Abstract: Abstract The present study examined electromagnetic tracking technology for ENT navigation. Five different registration modalities were compared and navigation accuracy was assessed. Four skull models were individually fabricated with a three-dimensional printer, based on patients’ computer tomography datasets. Individual silicone masks were fitted for skin and soft tissue simulation. Five registration modalities were examined: (1) invasive marker, (2) automatic, (3) surface matching (AccuMatch), (4) anatomic landmarks, and (5) oral splint registration. Overall navigation accuracy and accuracy on selected anatomic locations were assessed by targeting 26 titanium screws previously placed over the skull. Overall navigation accuracy differed significantly between all registration modalities. The target registration error was 0.94 ± 0.06 mm (quadratic mean ± standard deviation) for the invasive marker registration, 1.41 ± 0.04 mm for the automatic registration, 1.59 ± 0.14 mm for the surface matching registration, and 5.15 ± 0.66 mm (four landmarks) and 4.37 ± 0.73 mm (five landmarks) for the anatomic landmark registration. Oral splint registration proved itself to be inapplicable to this navigation system. Invasive marker registration was superior on most selected anatomic locations. However, on the ethmoid and sphenoid sinus the automatic registration process revealed significantly lower target registration error values. Only automatic and surface registration met the accuracy requirements for noninvasive registration. Particularly, the automatic image-to-world registration reaches target registration error values on the anterior skull base which are comparable with the gold standard of invasive screw registration.
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-4063-9
      Issue No: Vol. 273, No. 11 (2016)
  • Role of bacterial biofilm in development of middle ear effusion
    • Authors: Sedeek Abd El-Salam Tawfik; Ahmed Aly Ibrahim; Iman Mamdoh Talaat; Soliman Samy Abd El-Raouf El-Alkamy; Ahmed Youssef
      Pages: 4003 - 4009
      Abstract: Abstract Biofilms have been implicated in the development of several chronic upper respiratory tract infections. Role of bacterial biofilms has been well studied in the pathogenesis of chronic rhinosinusitis. However, its impact on development of middle ear effusion is still a matter of debate. To study the extent of surface adenoid biofilm and evaluate its role in the pathogenesis of chronic otitis media with effusion in children. The study was carried out on 40 children in Alexandria Main University Hospital between 1 and 16 years of age without sex predilection, who were divided into two groups. The first group (20 children) had otitis media with effusion associated with adenoid hypertrophy, whereas the second group (20 children) had adenoid hypertrophy without middle ear effusion. Adenoidectomy with ventilation tube insertion was done for group 1 cases, whereas, only Adenoidectomy was done for group 2 cases. The samples were processed for the detection of biofilms by scanning electron microscopy. The biofilm formation was graded according to extension. Biofilm formation was detected on all samples for group 1. Adenoids removed from patients with otitis media with effusion had higher-grade biofilm formation than the other group (P 0.0001). No correlation was found between adenoid size and biofilm formation. In pediatric population, adenoid surface biofilm formation may be involved in the pathogenesis otitis media with effusion.
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-4094-2
      Issue No: Vol. 273, No. 11 (2016)
  • Reply to the letter to the editor by Beyan concerning: Increased mean
           platelet volume in patients with idiopathic subjective tinnitus
    • Authors: Yasin Sarıkaya; Cem Bayraktar; Mehmet Karataş; Sedat Doğan; Serdar Olt; Emin Kaskalan; İbrahim Halil Türkbeyler
      Pages: 4037 - 4038
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-3995-4
      Issue No: Vol. 273, No. 11 (2016)
  • Influence of preanalytical factors on the mean platelet volume
    • Authors: Amir H. Shemirani
      Pages: 4039 - 4039
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-4045-y
      Issue No: Vol. 273, No. 11 (2016)
  • Commentary to: ‘Long-term symptom relief after septoplasty,’ Doi:
    • Authors: Satvinder Singh Bakshi
      Pages: 4041 - 4042
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-3991-8
      Issue No: Vol. 273, No. 11 (2016)
  • Reply to the letter to the editor concerning: "Long-term symptom
           relief after septoplasty" by Sundh and Sunnergren
    • Authors: Carolina Sundh; Ola Sunnergren
      Pages: 4043 - 4044
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-3994-5
      Issue No: Vol. 273, No. 11 (2016)
  • In response to: Predictors for outcome of paper patch myringoplasty in
           patients with chronic tympanic membrane perforations
    • Authors: Zhengcai Lou
      Pages: 4049 - 4050
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-3895-7
      Issue No: Vol. 273, No. 11 (2016)
  • Concerning: Subtotal facial nerve decompression in preventing further
           recurrence and promoting facial nerve recovery of severe idiopathic
           recurrent facial palsy (Wu SH et al., Eur Arch Otorhinolaryngol.
           2015;272(11):3295–8. doi:10.1007/s00405-014-2991-9. Epub 2014 Mar 12)
    • Authors: Claus Wittekindt; Tobias Kroll
      Pages: 4051 - 4051
      PubDate: 2016-11-01
      DOI: 10.1007/s00405-016-4025-2
      Issue No: Vol. 273, No. 11 (2016)
School of Mathematical and Computer Sciences
Heriot-Watt University
Edinburgh, EH14 4AS, UK
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Fax: +00 44 (0)131 4513327
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