The incidence of sequelae included TM retraction (21.2%), middle ear infection (12.5%), recurrence of OME (8.7%), tympanosclerosis (11.5%) and perforation (4.8%).

• 104耳中，鼓膜置管后并发症主要有鼓膜内陷(21.；2%25)、中耳感染(12