Effects of Stapled Hemorrhoidopexy on Anorectal Function: A Prospective Randomized Controlled Trial

Seyed Vahid Hosseini, Mehdi Tahamtan, Hajar Khazraei, Alimohammad Bananzadeh, Fahimeh Hajihosseini, Seyedeh Saeedeh Shahidinia

Abstract


Background: Stapled hemorrhoidopexy is a safe and acceptable alternative to traditional hemorrhoidectomy with shorter hospital stay, better satisfaction, and less postoperative pain. There have, however, been reports on early and late complications. Therefore, the present study was designed to assess the impact of stapled hemorrhoidopexy on anorectal function and continence. Methods: Sixty-one patients with rectal prolapse and/or symptomatic circumferential hemorrhoidal disease, as validated by the Wexner incontinence score, were included. Anal manometric indices were measured. The Wexner scores and anal manometric measures were compared pre- and postoperatively using the Mann–Whitney U test. (A P<0.05 was considered significant.)
Results: Mean age was 46.8 years (range=18–80 y), with a mean follow-up time of 3 months. Fifty-one patients completed their follow-ups. For 45 patients with a Wexner score of 0 and no history of incontinence, the anal maximum squeezing pressure (AMD) was 125.3±43.1 mm Hg, the anal resting pressure (ARD) was 27.8±12.8 mm Hg, and the mean pressure was 40.0±16.8 mm Hg. The changes in the anorectal manometric indices before and 3 months after the operation were not statistically significant (P=0.99, P=0.55, and P=0.32, respectively). In 6 patients with Wexner scores of 1 or higher, the mean values of the AMD, ARD, and mean pressure not only decreased but also increased postoperatively, but the changes were not statistically significant (P=0.32, P=0.42, and P=0.45, correspondingly).
Conclusion: These data represent a series of patients with 3 months’ follow-up after stapled hemorrhoidopexy and suggest that this technique is safe in experienced hands. It may have protective effects on anorectal function in patients with imperfect continent scores.
Trial Registration Number: IRCT2015101324504N1


Keywords


Anorectal; Hemorrhoids; Continent score; Rectal Prolapse; Recovery of Function

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pISSN: 0253-0716         eISSN: 1735-3688