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Measuring the density of the fissula antefenestram and the section of the basal turn of the cochlea:Are they useful in the radiological diagnosis of otosclerosis?

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Journal of Otology 2022年第2期17卷 84-89页

作者： lucas resende lucinda mangia Gabriel Lucca de Oliveira Salvador Bettina Carvalho Rogerio Hamerschmidt Department of Otolaryngology Head and Neck SurgeryHospital de Clínicas da Universidade Federal do ParanaGeneral Carneiro st181CuritibaBrazil Department of Imaging and Radiology Head and Neck SurgeryHospital de Clínicas da Universidade Federal do ParanaGeneral Carneiro st181CuritibaBrazil

Introduction:The role of objective parameters in terms of improvement of the accuracy of highresolution computed tomography(HRCT)of the temporal bone in the diagnosis of otosclerosis remains ***:To investigate the relationship between the density of the fissula antefenestram(FAF)and of the width of the transversal section of the basal turn of the cochlea(BTC),and the diagnosis of ***:This is a retrospective study in which preoperative HRCT data from ears of patients submitted to stapedotomy due to otosclerosis(case group)were *** the control group,normal hearing ears having undergone HRCT for other purposes were *** and control HRCT images were objectively assessed by an experienced blinded *** this evaluation,measurements of the relative radiological density of the FAF and of the transversal section of the BTC were *** results were compared between the ***,a receiver operating characteristic curve was created and the area under the curve(AUC)was calculated for each *** level was set ***:40 ears were included in each *** ears presented reduced values for the relative radiological density on the FAF(p-value<0.0001).Moreover,ears with otosclerosis(p-value:0.022)presented lower transversal section of the *** AUC for these variables reached 0.929 and 0.646,***:Otosclerotic ears present reduced radiological density on the FAF and narrower *** relative density of the FAF also shows a great diagnostic power in the context of this disease.

关键词： Otosclerosis Computed tomography Imaging diagnosis

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Success rates and predictors of outcomes of type I tympanoplasty performed by residents in a teaching tertiary hospital

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中华耳科学杂志:英文版 2023年第4期18卷 214-219页

作者： lucas resende lucinda mangia Nicole Tassia Amadeu Maurício da Silva Oliveira lucas Santin Patzer Eduardo de Souza Somensi Rogerio Hamerschmidt Department of Otolaryngology and Head and Neck Surgery Complexo Hospital de Clínicas-Universidade Federal Do Parana(CHC-UFPR)CuritibaBrazil Complexo Hospital de Clínicas-Universidade Federal Do Parana(CHC-UFPR) Curso de MedicinaCuritibaBrazil

Several technical variations of tympanoplasty have been reported,usually involving the type of graft and/or instruments *** studies have focused on the outcome of type-1 tympanoplasty specifically in teaching *** aimed to describe the results of type-1 tympanoplasty performed by residents,and to investigate potential predictive factors of surgical *** do so,we did a retrospective analysis of medical records of patients who underwent type-1 tympanoplasty in a tertiary university *** evaluated the tympanic membrane closure and audiometric outcomes during the first year of follow-up,and compared the results according to some clinical and surgical factors.130 operated ears were included in the *** closure rate reached 84.12%after one month and 72.72%after twelve months of *** mean air-bone gap was 22.98 dB preoperatively,and reached 10.55 dB after *** closure rates were 85%and 57.14%for those operated by endoscopic and microscopic-assisted approaches,respectively(p?0.004).The use of cartilage grafts and time without otorrhea of more than three months prior to surgery were also predictors of surgical success(p?0.002 and 0.041,respectively).Gender,age,perforation size,contralateral disease,operated side,reoperation,and degree of hearing loss did not significantly interfere with *** showed good overall results when performed by residents,although inferior to those reported by experienced *** use of the endoscope,cartilage grafting,and longer preoperative time without otorrhea were predictors of surgical success in this scenario.

关键词： Tympanoplasty Treatment outcome Video-assisted surgery

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