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Efficacy and patient satisfaction after NovaSure and Minerva endometrial ablation for treating abnormal uterine bleeding: a retrospective comparative study

Authors Scordalakes C, delRosario R, Shimer A, Stankiewicz R

Received 10 October 2017

Accepted for publication 14 December 2017

Published 18 April 2018 Volume 2018:10 Pages 137—145

DOI https://doi.org/10.2147/IJWH.S153699

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Manisha Yadav

Peer reviewer comments 2

Editor who approved publication: Professor Elie Al-Chaer


Constantine Scordalakes,1 Robert delRosario,2 Andrew Shimer,3 Russell Stankiewicz4

1Women’s Health Care, P.C., Newburgh, IN, 2Partners in Women’s Healthcare, Lemoyne, PA, 3Craig Ranch OB-GYN, McKinney, TX, 4OB-GYN of Evangelical, Lewisburg, PA, USA


Objective: Compare amenorrhea rate, menstrual symptoms, patient satisfaction, and adverse events in women who underwent endometrial ablation with the NovaSure versus the Minerva radiofrequency ablation systems.
Methods: We surveyed 189 premenopausal women (mean 40.8±6.2 years old) who underwent endometrial ablation for abnormal uterine bleeding using the NovaSure (n=97) or Minerva (n=92) systems, at four private US gynecology clinics, and whose procedure date was after July 2015 with follow-up ≥3 months. Women were surveyed an average of 11.3±3.9 months (range 137–532 days) after ablation.
Results: The subject-reported amenorrhea rate was 52% higher in NovaSure subjects than Minerva subjects (64% and 42%, respectively; p=0.004). Age and bleeding cyclicity did not affect amenorrhea rate in either group. Normal-to-no bleeding was reported by >90% of subjects after either treatment. NovaSure was significantly more effective than Minerva at reducing pad/tampon use in women with any residual bleeding (2.4±5.2 items/day versus 4.7±5.5 items/day, p=0.049). NovaSure was significantly more effective than Minerva at reducing premenstrual syndrome (PMS) symptoms (p=0.019) and menstrual pain (p=0.003), and more NovaSure subjects (94%) than Minerva subjects (78%) were satisfied with clinical outcomes (p=0.003). Adverse events did not differ by treatment; three women in each group progressed to hysterectomy.
Conclusion: While overall bleeding reduction in premenopausal women with abnormal uterine bleeding was excellent with either endometrial ablation system, NovaSure treatment resulted in a higher patient-reported 1-year amenorrhea rate, and women with residual bleeding used fewer pads and tampons than Minerva-treated women. Additionally, NovaSure subjects reported better menstrual-related life quality and PMS symptom alleviation, and greater satisfaction with outcomes than Minerva-treated women.

Keywords: endometrial ablation, abnormal uterine bleeding, NovaSure, Minerva, premenopausal, satisfaction

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