Comparing the effectiveness of "plasma knife" tonsillectomy with two well-established tonsillectomy techniques: cold dissection and bipolar electrocautery. A prospective randomized study.

Objective: To evaluate the effectiveness of a new device "plasma knife" for tonsillectomy by comparing to two well-established tonsillectomy techniques: cold dissection, and bipolar electrocautery.

Methods: A prospective, randomized study conducted on 110 patients undergoing tonsillectomy. Subjects were randomized to plasma knife (PKT), cold dissection (CDT) and bipolar electrocautery (BET) groups.