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May 2013 JMIG Cover

JOURNAL SPOTLIGHT: Electrosurgical Generators and Monopolar and Bipolar Electrosurgery

Authors: George A. Vilos, Chandrew Rajakumar
Citation: The Journal of Minimally Invasive Gynecology, Volume 20, Issue 3, Page 279-287
Click Here To View the Full Article on JMIG.org
 
Abstract: Electrosurgery is the most commonly used and misunderstood technology by all surgical and medical disciplines. A lack of basic knowledge or ignorance of principles of electrosurgery and equipment among obstetricians and gynecologists is reported. As a result, thermal injuries during laparoscopic electrosurgery occur, which frequently lead to significant morbidity and mortality and medicolegal actions.

Surveys indicate that up to 90% of general surgeons and gynecologists use monopolar radiofrequency (RF) during laparoscopy, 18% have experienced visceral burns, and 13% admitted 1 or more ongoing cases of litigations associated with such burns. This article describes the basics of electrosurgery beginning with the generation of electrons and their physical characteristics and governing laws before their arrival in the operating room where they are fed to an electrosurgical unit (ESU) to boost their frequency with step-up transformers from 60 Hz to >500 000 Hz. This RF creates heat, resulting in dissection, desiccation, coagulation, and fulguration of tissues without neuromuscular stimulation, pain, or burn to the patient. The ESU delivers power (wattage = volts


Filed under "Journal Spotlight".

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