Forty-six patients with TM atelectasis and intact ossicular chain were randomized to 2 groups. In Group I, 23 patients underwent reconstruction of the TM with perichondrium/cartilage graft and intraoperative T-tube insertion and in Group II, 23 patients underwent reconstruction of the TM with perichondrium/cartilage graft without ventilation tube insertion. Outcome measures were as follows: graft success, improvement of hearing, and postoperative complications