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Disk Excision Using End-to-End Anastomosis Circular Stapler for Deep Endometriosis of the Rectum: A 492-Patient
Horace Roman1, Thomas Dennis2, Damien Forestier2
1Franco-European Multidisciplinary Endometriosis Institute (IFEMEndo), Clinique Tivoli-Ducos, Bordeaux, France (Drs. Roman, Dennis, Forestier, François, Assenat, and Merlot); Department of Gynecology and Obstetrics, Aarhus University Hospital, Aarhus, Denmark (Dr. Roman, Dr. Tuech, Dr. Hennetier).
Study Objective:
To report a large series including women managed by disk excision using end-to-end anastomosis (EEA) circular transanal stapler to assess the feasibility of the technique, the features of nodules suitable for removal by disk excision, and the rate of major early complications.
Design:
Retrospective study on data prospectively recorded in 2 databases.
Setting:
Two tertiary referral centers.
Patients:
A total of 492 patients undergoing surgery for rectal endometriosis from May 2011 to June 2022.
Interventions:
Rectal disk excision using the EEA stapler.
Measurement And Main Results:
Disk excision using EEA was performed in 492 patients (24.2%) of 2,029 women receiving surgery for deep endometriosis infiltrating the rectum during the 11-year study period. Deep endometriosis involved low rectum in 11% and mid rectum in 55.3%. The diameter of rectal nodules exceeded 3 cm in 65.9%. Mean operative time was 2 hours, mean diameter of rectal patches removed was 41 ± 11 mm, and the mean rectal suture height was 9.2 ± 5.5 cm. The presence of microscopic foci on the edges of rectal patches was identified in 30.2% of cases. Rectal fistula was recorded in 20 patients (4%). The distance from the anal verge was significantly lower in patients with fistula than women with no fistula (5.9 ± 2 cm vs 9.2 ± 5.6 cm, p = .027). Follow-up ranged from 1 to 120 months, with a median value of 36 months. Magnetic resonance imaging in 3 patients during follow-up revealed a recurrent nodule infiltrating the previous stapled line (0.6%) after a postoperative delay of, respectively, 36, 48, and 84 months.
Conclusion:
Disk excision using the EEA stapler is suitable in nodules >3 cm if surgeons ensure deep shaving of the rectum, to allow complete inclusion of the shaved area into the stapler jaws. Postoperative rectal recurrences seem incidental, whereas bowel leakage rate is comparable with that after colorectal resection. This technique is suitable in almost a quarter of patients managed for rectal endometriosis nodules and is therefore a valuable technique that warrants more widespread use.
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