鼓膜置管术是治疗分泌性中耳炎 ( SOM)的重要方法之一 ,通气管留置时间的长短直接影响术后的复发率。 1 990年 1 1月～ 1 995年 1 0月我院采用虹吸引流法延长通气管留置时间 ,降低术后复发率 ,获得良好效果。现报告如下。1　资料与方法1 .1 　 临床资料96例 ( 1 0 9耳 ) SOM患 Tympanic membrane catheterisation is one of the important methods for the treatment of secretory otitis media (SOM). The length of ventilation tube indwelling directly affects the postoperative recurrence rate. From January 1990 to January 1995, the hospital using siphon drainage method to extend the ventilation tube indwelling time, reducing postoperative recurrence rate, and achieved good results. The report is as follows. 1 Materials and Methods 1.1 Clinical data 96 cases (109 ears) SOM patients