一、临床资料患者男性 ,30岁 ,里尔飞机雷达师 ,飞行时间 14 0 h。因双耳突发性听力下降1d于 2 0 0 2年 3月 2 8日入院。主诉由于疲劳、情绪激动等诱因于 2 0 0 2年 3月 2 6日 2 0∶ 0 0飞机落地后双耳听力突然障碍伴高频蝉鸣样耳鸣 ,约 10 m in左右自行恢复。第 2天下午又出现 First, the clinical data Male patient, 30 years old, Lille aircraft radar division, flying time 14 0 h. Due to sudden hearing loss in both ears 1d on February 28, 2002 admission. Chief complaint due to fatigue, agitation and other incentives on March 26, 2002 2 0: 0 0 after the aircraft landing sudden hearing loss of the bilateral ears with high frequency cicada-like tinnitus, self-recovery about 10 min. The next afternoon appeared again in the afternoon