Controlled, randomized trial of island flap anoplasty for treatment of trans-sphincteric fistula-in-ano: early results.
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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.
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| Authors | K S Ho, Y H Ho |
| Journal | Techniques in coloproctology (Tech Coloproctol) Vol. 9 Issue 2 Pg. 166-8 (Jul 2005) ISSN: 1123-6337 [Print] Italy |
| PMID | 16007352 (Publication Type: Journal Article, Randomized Controlled Trial) |
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