Controlled, randomized trial of island flap anoplasty for treatment of trans-sphincteric fistula-in-ano: early results

Ho, K.S., and Ho, Y.H. (2005) Controlled, randomized trial of island flap anoplasty for treatment of trans-sphincteric fistula-in-ano: early results. Techniques in Coloproctology, 9 (2). pp. 166-168.

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Abstract

Treatment of trans–sphincteric fistula is usually a compromise between recurrence and incontinence. Dermal island flap anoplasty has been found to be useful in the treatment of these fistulas. We performed a randomized trial to compare dermal island flap anoplasty with conventional treatment for trans–sphincteric fistula–in–ano. Seventy nine patients with fistula–in–ano were recruited; twenty patients with trans–sphincteric fistula confirmed by endoanal ultrasound were prospectively randomized to receive either dermal island flap anoplasty (IFA) or conventional treatment (CVN) for trans–sphincteric fistula–inano. Conventional treatment consisted of lay open fistulotomy or seton insertion if deemed unsuitable for fistulotomy. Dermal island flap anoplasty involved a cutaneous advancement flap into the rectum. Pain scores, fecal incontinence scores, operative complications, wound healing and recurrence rates were charted. Two patients in the CVN group required seton insertions, which were still intact at the 9–month follow–up. Two patients with similar high trans–sphincteric fistula in the IFA group avoided having a long–term seton. There were no differences in the postoperative pain score, incontinence score, complications, wound healing and recurrence rates between the two groups. IFA is a safe and useful method for treating transsphincteric fistula. It can be considered when a suprasphincteric extension is suspected, thus avoiding risk of incontinence or the discomfort of a long–term seton.

Item ID: 7148
Item Type: Article (Research - C1)
ISSN: 1128-045X
Keywords: incontinence; inflammatory bowel disease; wound healing; anal fistula; anoplasty; fistula-in-ano; fistulotomy; island flap; seton
Date Deposited: 17 Mar 2010 00:42
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1103 Clinical Sciences > 110323 Surgery @ 100%
SEO Codes: 92 HEALTH > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920118 Surgical Methods and Procedures @ 100%
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