Sellars S L, Beighton P
S Afr Med J. 1978 Nov 11;54(20):811-3.
Two hundred and twenty-three White children with partial hearing loss in three special schools in South Africa for the hard-of-hearing child were investigated. Twenty-four children (11%) had an identifiable genetic syndrome, 52 (23%) had familial deafness, 17 (8%) had significant additional non-otological abnormalities, and in 55 (24%) a firm history of an acquired cause was available. The proportions of these aetiological categories are similar to those which we have encountered in profoundly deaf children. It is of practical significance that 18 of the children had middle-ear abnormalities which could very likely be corrected by surgery. It is strongly recommended that every child with impaired hearing should have a comprehensive clinical and otological assessment and thereafter undergo periodic diagnostic review.
对南非三所针对听力障碍儿童的特殊学校中的223名有部分听力损失的白人儿童进行了调查。24名儿童（11%）患有可识别的遗传综合征，52名（23%）有家族性耳聋，17名（8%）有明显的其他非耳科异常，55名（24%）有明确的后天性病因史。这些病因类别的比例与我们在重度耳聋儿童中遇到的比例相似。具有实际意义的是，18名儿童有中耳异常，很可能可通过手术矫正。强烈建议每名听力受损儿童都应进行全面的临床和耳科评估，然后定期进行诊断复查。
