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Does the working temperature affect the outcome following microwave endometrial ablation?
M Harmon1, A V Kasbekar2, A Sinha3
1University Hospital Lewisham, London, SE13 6LH, UK.
Irish Journal of Medical Science
|July 2, 2016
Summary
Microwave endometrial ablation (MEA) effectively treats heavy menstrual bleeding. Performing MEA at a higher operating temperature increases the likelihood of achieving amenorrhea, offering a better outcome for patients.
Area of Science:
- Gynecology
- Minimally Invasive Surgery
Background:
- Menorrhagia is a prevalent gynecological condition impacting many women.
- Medical treatments are common, but surgery is sometimes necessary.
- Minimally invasive techniques like Microwave Endometrial Ablation (MEA) offer uterine-preserving alternatives.
Purpose of the Study:
- To investigate the impact of working temperature on the effectiveness of Microwave Endometrial Ablation (MEA).
Main Methods:
- Retrospective review of 211 women undergoing MEA between 2000 and 2004.
- All patients had hysteroscopy followed by MEA.
- Procedure duration and mean working temperature were recorded; follow-up was 6-8 months.
Main Results:
- 89% of women attended follow-up, with 80% satisfied.
- 40% achieved amenorrhea post-procedure.
- Higher operating temperatures (78.4 vs. 77.1°C) correlated with increased amenorrhea rates (p=0.014).
Conclusions:
- MEA is a viable treatment for menorrhagia.
- Optimizing operating temperature is crucial for MEA efficacy.
- Higher temperatures within guidelines enhance the likelihood of successful treatment outcomes.

