Vol.97 No.10 contentsPRACTICA OTO-RHINO-LARYNGOLOGICA
Vol. 97 No.10 October 2004
The Effect of the Power Setting of a Bipolar Radiofrequency
System on Coagulation Range and Duration
Mitsuharu Takatsu, Kentaro Ochi, Daisuke Oyake and Toshiharu Shintani
(St. Marianna University Toyoko Hospital)
Tsuyoshi Umehara and Izumi Koizuka
(St. Marianna University School of Medicine)
The effect of the power setting of a bipolar radiofrequency system (CelonLab ENT) on coagulation range and duration was evaluated using chickens at power settings of 4, 8, 12, 16, 20, and 24 W. Regression analysis revealed a significant correlation between coagulation range and power (P＜0.0001, R2＝0.71), with a larger area being coagulated at a lower power setting. There was also a significant correlation between coagulation time and power (P＜0.0001, R2＝0.75), with a shorter duration being required at a higher power setting. Although human and chicken tissue may exhibit different characteristics, our current results suggest that the power level should be altered by surgeons in accordance with coagulation requirements during a procedure.
Key words : bipolar radiofrequency thermotherapy, chickens, power setting