ArticleTechniques in coloproctology2024
Urge fecal incontinence: are intramural rectal injections of botulinum toxin a long-term treatment option?
Article in Techniques in coloproctology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Abstract
BACKGROUND AND
aimsUnsuccessful first-line conservative treatments for managing fecal incontinence (FI) lead to considering predominantly invasive options, posing challenges in terms of cost and patient acceptance of benefit/risk ratio. Recent data from a prospective randomized study have highlighted intramural rectal botulinum toxin (BoNT/A) injection as a promising minimally invasive alternative for urge FI, demonstrating efficacy at 3 months but lacking long-term evidence. This study aimed to evaluate the sustained efficacy and injection frequency of intramural rectal BoNT/A injection in the treatment of urge FI.
methodsThis retrospective monocentric study enrolled all patients who underwent intramural rectal BoNT/A injection for urge FI after failed conservative therapy or sacral neuromodulation (SNM). Injections were administered during sigmoidoscopy, delivering 200 U of BoNT/A at 10 circumferentially distributed sites. Treatment effectiveness was assessed using the Cleveland clinic incontinence score (CCS) and a visual analog scale (VAS) to measure the severity of discomfort related to episodes of fecal urgency, with reinjection performed upon symptom recurrence.
resultsIn total, 41 patients (34 females) were included, with a median follow-up of 24.9 (range 3.2-70.3) months. Overall, 11 patients had previously failed sacral nerve stimulation. Significant reductions were observed in the CCS (median 11 versus 7, p = 0.001) and VAS symptoms (median 4, range 0-5 versus median 2, range 0-5, p = 0.001). In total, 22 patients (53%) experienced a reduction in the CCS by over 50%. The median interval between intramural rectal BoNT/A injections was 9.8 months (range 5.3-47.9 months).
conclusionsThis study provides the first evidence of the sustained efficacy of intramural rectal BoNT/A injection for urge FI. Further investigations are warranted to refine patient selection and reinjection criteria, evaluate socioeconomic impacts, and compare rectal BoNT/A injection with other therapeutic modalities.
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