Conclusion The stepwise eustachian tube douche after grommet insertion could slow or prevent the obstruction of grommet, delay the shedding of grommet, reduce recurrence, promote the recovery of eustachian tube function and improve hearing.

• 结论鼓膜置管后进行咽鼓管节段冲洗可有效防止或减缓通气管阻塞,延长带管时间,减少复发,促进咽鼓管功能恢复,对改善听力起到了积极作用。