Abstract
Background
An anal fissure is a longitudinal split in the anoderm of the distal anal canal, extending from the anal verge proximally towards, but not beyond, the dentate line. Various surgical methods of treatment of chronic anal fissure (CAF) are available, including anal dilatation, fissure excision, fissure excision with sphincterotomy, open lateral anal internal sphincterotomy and closed lateral anal internal sphincterotomy.
Method
This prospective study compared the results and complications of the open and closed techniques of lateral internal anal sphincterotomy in patients with CAF.
Results
A total of 60 patients with CAF were enrolled in this study, of which 30 underwent open lateral sphincterotomy and 30 underwent closed lateral sphincterotomy. Post-operative complications (pain, bleeding, constipation, perianal abscess, incontinence) were compared between the two groups. Postoperative pain, bleeding, and constipation were significantly less in the group undergoing closed surgery (p > 0.05). Perianal abscess and incontinence did not occur in any study subject.
Conclusions
Closed lateral anal sphincterotomy is the treatment of choice for CAF. It can be performed effectively and safely, with a low rate of complications and a reduced cost burden.
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Mukri, H.M., Kapur, N. & Guglani, V. Comparison of Open Versus Closed Lateral Internal Sphincterotomy in the Management of Chronic Anal Fissure. Hellenic J Surg 91, 91–95 (2019). https://doi.org/10.1007/s13126-019-0512-4
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DOI: https://doi.org/10.1007/s13126-019-0512-4