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The role of internal sphincter in chronic anal fissures

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Diseases of the Colon & Rectum

Abstract

Changes in anal sphincteric manometric pressures in response to rectal distention were measured in eight patients with chronic anal fissures and were compared with the of ten controls. No statistically different resting pressures were noted between the two groups. Overshoot phenomenon was more commonly seen in patients with fissure. There were no differences in the anal sphincteric pressures after lateral internal sphincterotomy (LIS) or fissurectomy midline sphincterotomy (FMS). All fissures healed postoperatively, irrespective of the surgical technique (LIS or FMS) or the pressure readings. It can be concluded that the therapeutic effect of sphincterotomies might at least in part be due to anatomic widening of the anal canal rather than to decreased resting pressures of the internal sphincter.

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Authors and Affiliations

  1. Section of Colon and Rectal Surgery, Cook Country Hospital, 1835 W. Harrison St., 60602, Chicago, Illinois

    Herand Abcarian M.D., Shanmugam Lakshmanan M.D. & Peter Roccaforte Ph.D.

  2. the Department of Surgery, University of Illinois Abraham Lincoln School of Medicine, Chicago, Illinois

    Herand Abcarian M.D., Shanmugam Lakshmanan M.D., Don R. Read M.D. & Peter Roccaforte Ph.D.

Authors
  1. Herand Abcarian M.D.
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  2. Shanmugam Lakshmanan M.D.
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  3. Don R. Read M.D.
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  4. Peter Roccaforte Ph.D.
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Additional information

This study was supported by a grant from the American Society of Colon and Rectal Surgeons Research Foundation and was presented as part of a symposium at the annual meeting of the American Society of Colon and Rectal Surgeons, Colorado Springs, Colorado, June 7 to 11, 1981.

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Abcarian, H., Lakshmanan, S., Read, D.R. et al. The role of internal sphincter in chronic anal fissures. Dis Colon Rectum 25, 525–528 (1982). https://doi.org/10.1007/BF02564159

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  • DOI: https://doi.org/10.1007/BF02564159

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