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Uterine surface temperature changes caused by electrosurgical endometrial coagulation.
1Department of Obstetrics and Gynecology, Stanford University, California.
The Journal of Reproductive Medicine
|August 1, 1992
Summary
Electrosurgical endometrial ablation poses minimal risk of thermal injury to abdominal organs. Studies show uterine serosa temperature rise remains below 6 degrees C during the procedure.
Area of Science:
- Gynecology
- Minimally Invasive Surgery
- Surgical Safety
Background:
- Endometrial ablation is a common gynecological procedure.
- Electrosurgery is frequently used for endometrial ablation.
- Concerns exist regarding potential thermal injury to adjacent organs.
Purpose of the Study:
- To evaluate the risk of transmural thermal injury to abdominal viscera during electrosurgical endometrial ablation.
- To quantify the temperature changes on the uterine serosa during the procedure.
Main Methods:
- Thermocouples were laparoscopically placed on the uterine surface.
- Electrosurgical electrodes (ball or barrel) were used in the cornual area.
- Currents of 50-150 W (cutting or coagulating) were applied for 5 seconds.
Main Results:
- The temperature rise on the uterine serosa did not exceed 6 degrees C.
- This indicates limited heat transfer to the outer uterine surface.
Conclusions:
- Electrosurgical endometrial ablation appears to have a low risk of causing significant thermal injury to abdominal viscera.
- The measured temperature increase suggests a safe margin for adjacent structures.