镰形细胞贫血病是血液系统疾病,主要表现为慢性贫血、低血压、周期性血管闭塞危象。具有血管梗塞性疾病特征。作者对56个尼日利亚6～15岁患有同型镰形细胞病儿童与正常组儿童进行对照研究。参加研究的儿童均行耳科及听力学检查,受检儿童鼓膜均正常,听 Sickle cell disease is a disease of the blood system, mainly manifested as chronic anemia, hypotension, periodic vascular occlusion crisis. With vascular infarction characteristics. The authors conducted a controlled study of 56 Nigerian children aged 6-15 years with the same type of sickle cell disease and normal controls. Participants in the study of children undergoing otology and audiology, examination of children with tympanic membrane were normal, listen