鼓膜造孔置管术后耳漏(PTTO)是小儿科较常见的病症。在美国每年大约置鼓膜通气管50～200万。Gross等报告,至少有10％～29％置管后有耳漏。另有报道该数字可高达74％。 Posterior tympanostomy catheter Postapis leak (PTTO) is a more common pediatric disease. In the United States every year about 50 to 2 million tympanic membrane ventilation. Gross et al reported that at least 10% to 29% had an ear leak after catheterization. Another report of this figure can be as high as 74%.