流行性腮腺炎患者的发病年龄有变小趋势,症状表现较过去为轻,无症状病例较前增多,併发症亦有增多趋势。耳聋是本病的常见併发症,典型表现为发病后第4～5天突然出现单耳感音神经性聋,可致成永久性严重听力损害,系迷路炎后果,其发病率约为0.05‰。为了解在后天性单耳严重(250—8K赫范围内听力损失超过70dB)感音神经性聋儿中,有多少是腮腺炎所致,作者对威尔士南部某地区55,000名16岁以下儿童进行了一次筛选电测听检查,发现33例(男19,女14)患儿,并进一 The age of onset of mumps patients tends to become smaller, the symptoms are more mild than the past, asymptomatic cases increased, the complications also increased. Deafness is a common complication of the disease, the typical performance of the first 4 to 5 days after onset of sudden onset of single-ear sensorineural deafness, can cause permanent severe hearing loss, the consequences of labyrintitis, the incidence of about 0.05 ‰. To find out how many of the sensorineural hearing-impaired children with acquired monaural deafness (over 70 dB hearing loss in the 250-8 kHz range) are mumps, the authors conducted a survey of 55,000 children under the age of 16 in a southern part of Wales A screening of electrical test to detect and found 33 cases (19 men and 14 women) and into one