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Dis Colon Rectum. 1995 Nov;38(11):1137-43.

Anal fissure in Crohn's disease: a plea for aggressive management.

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1
Department of Colon and Rectal Surgery, Lahey Hitchcock Clinic, Burlington, Massachusetts 01805, USA.

Abstract

PURPOSE:

This study was undertaken to identify clinical characteristics, natural history, and results of medical and surgical treatment of anal fissures in Crohn's disease.

METHODS:

This is a retrospective review of patients with Crohn's disease and anal fissure.

RESULTS:

Of the 56 study patients, 49 (84 percent) had symptomatic fissures. Fissures were most commonly (66 percent) located in the posterior midline, and 18 patients (32 percent) had multiple fissures. Fissures healed in one-half of patients treated medically. Factors predictive of successful medical treatment included male gender, painless fissure, and acute fissure. Of 15 patients, 10 (67 percent) treated surgically healed. Fissures in seven of eight patients (88 percent) who underwent anorectal procedures healed compared with fissures in only three of seven patients (43 percent) who underwent proximal intestinal resection. In the group of 50 patients with complete follow-up studies, an anal abscess or fistula from the base of an unhealed fissure developed in 13 patients (26 percent). More fissures healed after anorectal surgery (88 percent) than after medical treatment alone (49 percent; P = 0.05) or after abnormal surgery (29 percent; P = 0.03).

CONCLUSION:

This series documents that unhealed fissures frequently progress to more ominous anal pathologic disease. Judicious use of internal sphincterotomy appears to be safe for fissures unresponsive to medical treatment.

PMID:
7587755
[Indexed for MEDLINE]
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