The ultrasonically activated scalpel versus bipolar diathermy for tonsillectomy: a prospective, randomized trial

Clinical Otolaryngology and Allied Sciences
P SheahanA Curran

Abstract

Among patients undergoing tonsillectomy, the ultrasonic scalpel has been reported to lead to less intraoperative blood loss than cold dissection, and less postoperative pain and faster recovery than monopolar electrocautery. However, the ultrasonic scalpel has not been compared with bipolar diathermy. The present study was a prospective, randomized, single-blind trial, comparing these two techniques with respect to postoperative pain. Twenty-one adults underwent tonsillectomy on one side using the ultrasonic scalpel, and on the other using bipolar diathermy. Pain scores were obtained on postoperative days 1, 2, 7 and week 3. There was no difference between the two treatments at any of the time points (P = 0.6047, 0.4018, 0.6047 and 0.5000, respectively). Inability to control bleeding with the ultrasonic scalpel resulted in the rescue use of an alternative technique of haemostasis in 14 cases. We conclude that the use of the ultrasonic scalpel in adult tonsillectomy is likely to be limited by its substantial costs and difficulties with haemostasis.

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Apr 22, 2005·HNO·J P Windfuhr
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