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Abstract：
Chronic otitis media is a common disease of the developing world with persistent ear discharge, leading to major complications. This study describes the microorganisms isolated from the middle ear and nasopharynx of children with chronically discharging ears. Middle ear and nasopharyngeal swabs from 89 children were studied, and the microorganisms isolated were assessed for biofilm-forming ability. Methicillin-susceptible Staphylococcus aureus was common in the nasopharynx, while the middle ear showed predominantly pseudomonas and Methicillin-resistant S. aureus. Pseudomonas aeruginosa showed strong biofilm formation, whereas Escherichia coli, Proteus sp. and Providentia sp. were weak biofilm producers. S. aureus isolates were negative for biofilm formation.
摘要：
慢性中耳炎是发展中国家的常见疾病，具有持续的耳朵放电，导致严重的并发症。这项研究描述了从长期排出耳朵的儿童的中耳和鼻咽中分离出的微生物。研究了89名儿童的中耳和鼻咽拭子，并对分离出的微生物进行生物膜形成能力评价。甲氧西林敏感的金黄色葡萄球菌常见于鼻咽部,而中耳主要表现为假单胞菌和耐甲氧西林金黄色葡萄球菌。铜绿假单胞菌表现出强烈的生物膜形成，而大肠杆菌，Proteussp.和Providentiasp.是弱生物膜生产者。金黄色葡萄球菌分离株对生物膜形成呈阴性。
