To excise or ablate endometriosis? A prospective randomized double-blinded trial after 5-year follow-up
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This prospective randomized double-blinded trial followed patients for five years to compare surgical excision versus ablation for treating endometriosis.
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Abstract
STUDY OBJECTIVE: To compare reduction of pain after laparoscopy for ablation or excision of endometriosis.
DESIGN: Prospective, randomized, double-blind study (Canadian Task Force classification I).
SETTING: Endometriosis and pelvic pain clinic at a university teaching hospital.
PATIENTS: Women of reproductive age with pelvic pain and visually proved endometriosis.
INTERVENTIONS: Subjects completed a questionnaire rating various kinds of pain using visual analog scales (VAS). After visual identification subjects were randomized to treatment via ablation or excision by supervised training gynecologists as primary surgeons. Follow-up questionnaires documented pain levels every 3 months for 1 year and then every 6 months for 5 years.
MEASUREMENTS AND MAIN RESULTS: Change in pain VAS scores during 5 years after the operation and rates of pregnancy, repeat surgery, and use of hormone therapy were evaluated. There was a reduction in all pain scores over the 5-year follow-up in both treatment groups. A significantly greater reduction in dyspareunia VAS scores was observed in the excision group at 5 years (p = .03 at univariate analysis, and p = .007 at multivariate analysis). More women in the ablation group continued to receive medical treatment of endometriosis at 5 years (p = .004).
CONCLUSIONS: Surgical treatment of endometriosis provides symptom reduction for up to 5 years. In some limited areas such as deep dyspareunia, excision is more effective than ablation.
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- Changing the paradigm of endometriosis - from diagnosis to integrated long-term management: a joint society opinion paper 2026
- THERAPEUTIC OPTIONS IN ENDOMETRIOSIS: A COMPARATIVE LITERATURE REVIEW OF INTRAUTERINE DEVICE THERAPY, SURGICAL TREATMENT, RELUGOLIX COMBINATION THERAPY, AND DIENOGEST 2026
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- Surgical Treatment of Endometriosis: Excision Versus Ablation of Peritoneal Disease 2018
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- Deep Dyspareunia in Endometriosis: A Proposed Framework Based on Pain Mechanisms and Genito-Pelvic Pain Penetration Disorder 2017
- Risk of appendiceal endometriosis among women with deep-infiltrating endometriosis 2017
- Surgery and Endometriosis 2017
- Author's Reply 2017
- New Developments in Surgery for Endometriosis and Pelvic Pain 2017
- Chronic pelvic pain syndrome in patients with external genital endometriosis: pathophysiological mechanisms of formation and aspects of treatment (a review) 2017
- Retroperitoneal anatomy during excision of pelvic side wall endometriosis 2016
- New paradigms in the diagnosis and management of endometriosis 2016
- Techniques in minimally invasive surgery for advanced endometriosis 2016
- Endometriosis: where are we and where are we going? 2016
- Nerve Bundles and Deep Dyspareunia in Endometriosis 2015
- Association between chronic pelvic pain symptoms and the presence of endometriosis 2015
- To excise or ablate endometriosis? The temptation of the overstatement 2014
Source provenance
- europepmc
- last seen: 2026-10-17T06:09:56.316927+00:00
- openalex
- last seen: 2026-06-10T17:14:06.276822+00:00
- pubmed
- last seen: 2026-10-08T21:13:34.636433+00:00
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