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KMID : 1141920220380040301
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Annals of Coloproctology
2022 Volume.38 No. 4 p.301 ~ p.306
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Endofistula laser ablation of fistula-in-ano: a new minimally invasive technique for the treatment of fistula-in-ano
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Lalhruaizela Samuel
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Abstract
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Purpose: Many techniques are used to treat fistula-in-ano (FIA). The major problems associated with conventional surgical techniques are postoperative complications like sepsis, incontinence, etc. Therefore, several sphincter-saving techniques have been developed in recent years including laser diodes.
Methods: This study presents an early experience of the use of diode lasers with a capacity of 360° radial energy emission endofistula laser ablation (EFLA) of FIA to treat patients with primary low anal fistulas. The primary and secondary success rates were assessed and the factors affecting these rates were evaluated in patients (n=31) who presented with primary, uncomplicated, and low anal fistulas.
Results: Out of 31 patients, 19 (61.3%) were males and 12 (38.7%) were females with a mean age of 38.6±11.5 years. Twenty-one patients (67.7%) had intersphincteric fistula, 9 (29.0%) had transsphincteric fistula, and 1 (3.2%) had suprasphincteric fistula. Thirteen patients (41.9%) had undergone some surgery in the past for FIA. Eleven patients (35.5%) developed postoperative complications. The patients had a low median pain score of 3 on the numeric pain rating scale. The primary success rate was 67.7% (21 of 31) and the secondary success rate was 80.0% (8 of 10) over a median follow-up of 2 years. A significantly higher primary healing rate was observed in patients who did not undergo any prior surgical treatments (P=0.01).
Conclusion: EFLA resulted in moderate primary and high secondary success rates and was not associated with major postoperative complications. Therefore, EFLA can be considered as a preferred noninvasive efficient technique for FIA treatment.
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KEYWORD
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Fistula, Sphincter, Lasers
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