Randomised controlled trial of bipolar radio‐frequency endometrial ablation and balloon endometrial ablation

Objective  To compare the effectiveness of two second‐generation ablation techniques, bipolar radio‐frequency impedance‐controlled endometrial ablation (NovaSure) and balloon ablation (ThermaChoice), in the treatment of menorrhagia. Design  Double‐blind, randomised, controlled trial. Setting  A larg...

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Bibliographic Details
Published in:BJOG : an international journal of obstetrics and gynaecology 2004-10, Vol.111 (10), p.1095-1102
Main Authors: Bongers, Marlies Y., Bourdrez, Petra, Mol, Ben W.J., Heintz, A. Peter M., Brölmann, Hans A.M.
Format: Article
Language:English
Subjects:
Adult
Biological and medical sciences
Catheter Ablation - methods
Catheterization - methods
Double-Blind Method
Female
Gynecology
Gynecology. Andrology. Obstetrics
Humans
Hysterectomy - methods
Medical disorders
Medical sciences
Medical treatment
Menorrhagia - therapy
Menstruation
Patient Satisfaction
Treatment Outcome
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Summary:Objective  To compare the effectiveness of two second‐generation ablation techniques, bipolar radio‐frequency impedance‐controlled endometrial ablation (NovaSure) and balloon ablation (ThermaChoice), in the treatment of menorrhagia. Design  Double‐blind, randomised, controlled trial. Setting  A large teaching hospital with 500 beds in The Netherlands. Population  Women suffering from menorrhagia referred by their general practitioner. Methods  Women suffering from menorrhagia, without intracavitary abnormalities, were randomly allocated to bipolar radio‐frequency ablation (bipolar group) and balloon ablation (balloon group) in a 2:1 ratio. At follow up, both women and observers were unaware of the type of treatment that had been performed. Main outcome measures  The main outcome measure was amenorrhea at 3, 6 and 12 months after randomisation. Results  One hundred and twenty‐six women were included in the study, of which 83 were allocated to the bipolar group, and 43 to the balloon group. No complications occurred in either of the treatment groups. At the one‐year follow up stage, amenorrhea rates were 43% (34/83) in the bipolar group and 8% (3/43) in the balloon group (treatment effect in time P < 0.001). At this stage, 90% of the patients in the bipolar group were satisfied with the result of the treatment against 79% in the balloon group (treatment effect in time P= 0.003). Conclusion  The bipolar radio‐frequency impedance‐controlled endometrial ablation system is more effective than balloon ablation in the treatment of menorrhagia.
ISSN:1470-0328
1471-0528
DOI:10.1111/j.1471-0528.2004.00253.x