Long-term Results of Ligation of Intersphincteric Fistula Tract (LIFT) Versus Traditional Fistulotomy for Fistula-in-Ano

Authors

  • Supoj Laiwattanapaisal Department of General Surgery, Rayong Hospital, Rayong, Thailand

Keywords:

Fistula-in-ano, ligation of intersphincteric fistula tract, Fistulotomy

Abstract

Objective: To determine and compare the post-operative outcomes for a LIFT operation and traditional
fistulotomy for treatment of anal fistulas.
Background: No single technique is appropriate for the treatment of all fistula-in-ano cases; therefore, treatment
must be determined by the etiology and anatomy of the fistula, degree of symptoms, patient co-morbidities, recurrence
rate, incontinence rate and the surgeon’s experience. LIFT is a new technique that has the advantages of anal sphincter
preservation and less extensive surgery. This current study compares LIFT with traditional fistulotomy.
Material and Methods: We retrospectively studied 64 fistula-in-ano patients who underwent surgery. All cases took
place between July 20, 2008 and June 30, 2009. Patient characteristics, including sex, age, fistula-in-ano classification,
operative time, healing time, recurrence rate, incontinence rate and any complications, were obtained by reviewing each
patient’s medical record.
Results: Thirty-two patients underwent the LIFT procedure, and 32 patients underwent fistulotomy. The mean
patient age was 38.84 ± 9.64 years in the LIFT group and 36.18 ± 12.14 years in the fistulotomy group (P = 0.337). The
majority of cases were simple fistula-in-ano. Simple fistula-in-ano cases comprised 78.1% of the LIFT group and 81.3%
of the fistulotomy group (P = 1.000). The fistula tract shape was typically straight (90.6%) and was equally prevalent in
both groups (P = 1.000). The fistula tract length from anal verge was 3.10 ± 1.78 cm in the LIFT group. The most frequent
internal opening site of the LIFT group was at 6 o′ clock (31.3%). The most frequent external opening site of the LIFT
group was at 5 o′ clock. The number of external openings was not different between the groups (P = 0.173). The healing
time was 33.54 ± 8.18 days for the LIFT group and 29.90 ± 9.76 days for the fistulotomy group (P = 0.290). The healing
rate was 81.2% and the local failure rate was 18.3% in the LIFT group. The recurrence rate was 9.4% in the fistulotomy
group, and there was no recurrence in the LIFT group. There were no incontinence cases for either group.
Conclusion: The LIFT technique preserves the anal sphincter muscle for fistula-in-ano patients. The procedure
is safe, shows minimal complications, no recurrence and no incontinence when compared with traditional fistulotomy.

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Published

2014-06-30

How to Cite

1.
Laiwattanapaisal S. Long-term Results of Ligation of Intersphincteric Fistula Tract (LIFT) Versus Traditional Fistulotomy for Fistula-in-Ano. Thai J Surg [Internet]. 2014 Jun. 30 [cited 2024 Nov. 6];35(2). Available from: https://he02.tci-thaijo.org/index.php/ThaiJSurg/article/view/226376

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