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RESEARCH PRODUCT

Outcomes of monopolar versus bipolar endometrial ablation on uterine bleeding and psychophysical wellbeing.

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Background To compare outcomes of endometrial ablation with monopolar versus bipolar resection on uterine bleeding and psychophysical wellbeing. Methods In a prospective randomized study, 100 perimenopausal patients, without desire of pregnancy and with no response to pharmacological treatment, underwent endometrial ablation from 2012 to 2014. They were randomly divided in two groups: 50 patients treated with monopolar electrode resection loop (group A) and 50 patients treated with bipolar electrode resection loop (group B). Operative parameters were immediately assessed. Menstrual outcome parameters and psycho-physical well-being parameters were evaluated after 12 months. Results No significant difference in operating time was recorded between the two groups. No serious hysteroscopic complication occurred with a similar immediate cumulative complication rate but two cases of intravasation were recorded in group A. The late cumulative complication rate was higher in group A than group B (44% vs. 24%). Cycle was overall controlled in over the 80% of the cases in the two groups without significant difference. The analysis of Short Form-36 showed an improvement of all assessed items after the endometrial ablation without significant difference. Conclusions Hysteroscopic endometrial ablation performed with bipolar loop electrode is as effective as resectoscopy with unipolar loop electrode regarding menstrual and psychophysical wellbeing outcomes. Endometrial ablation with bipolar electrode loop is safer but more expansive than monopolar electrode loop.