Malignant external otitis: about 50 cases at Fann hospital center

M. Diouf, Mouhamed Barry, M. Ndiaye, A. Tall, Ciré Ndiaye, Malick Ndiaye, F. Niang, Cheikh Diéne Niang, Faty Fall
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Abstract

Background: Malignant external otitis (MEO) is an osteitis of the skull base, originating in the external auditory canal. It is most common in elderly and diabetic patients. Early management prevents complications. The objective of the study is to provide an epidemiological, clinical, paraclinical, therapeutic and evolutionary profile. Methods: From January 2010 to January 2021, we carried out a retrospective study in the ENT department of Fann hospital, selecting the patients hospitalized and suffering from malignant external otitis Results: Fifty patients were included in this study. The mean age was 65, with a sex ratio (M/F) of 1.5. Forty-six patients were diabetic; 2 patients had leukemia and 2 had no previous history. The average length of hospital stay was 3 months. The reasons for consultation were otalgia, otorrhea and deafness in 96%, 80% and 32% respectively. Examination revealed otorrhea in 58%, peripheral facial paralysis in 54% and a polyp in 80%. Ear swab analysis isolated Pseudomonas aeruginosa in 28%. CT scan showed ear cavity filling in 40 cases and bone lysis in 26. Antibiotic treatment was based on ciprofloxacin or ofloxacin in 44% of cases, and the combination of ceftriaxone-ciprofloxacin or ofloxacin in 44%. The average duration of treatment was 3 months. There were 12% recurrences and 2 cases of death after an average follow-up of 10 months. Conclusions: MEO is a rare pathology that occurs more frequently in elderly subjects with immunodepressive backgrounds. Antibiotic therapy has proved effective in treating this condition.
恶性外耳道炎:范恩医院中心约 50 个病例
背景:恶性外耳道炎(MEO)是一种起源于外耳道的颅底骨炎。它最常见于老年人和糖尿病患者。早期治疗可预防并发症。本研究旨在提供流行病学、临床、辅助临床、治疗和演变概况:方法:2010 年 1 月至 2021 年 1 月,我们在范县医院耳鼻喉科开展了一项回顾性研究,选择了住院的恶性外耳道炎患者:本研究共纳入 50 例患者。平均年龄为 65 岁,男女比例(M/F)为 1.5。46名患者患有糖尿病;2名患者患有白血病,2名患者无病史。平均住院时间为 3 个月。就诊原因为耳痛、耳胀和耳聋的患者分别占 96%、80% 和 32%。检查发现,58%的患者有耳痛,54%的患者有周围性面瘫,80%的患者有息肉。耳拭子分析分离出铜绿假单胞菌的比例为 28%。CT 扫描显示,40 例患者耳腔充血,26 例患者骨质溶解。44%的病例使用环丙沙星或氧氟沙星进行抗生素治疗,44%的病例使用头孢曲松-环丙沙星或氧氟沙星联合疗法。平均治疗时间为 3 个月。平均随访10个月后,12%的病例复发,2例死亡:结论:MEO是一种罕见病,多发于有免疫抑制背景的老年人。结论:MEO是一种罕见病,多发于有免疫抑制背景的老年人。
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