ArticleTechniques in coloproctology2026
Posterior tibial neurostimulation for faecal incontinence in community-dwelling older adults: long-term outcomes and predictors of response.
Article in Techniques in coloproctology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05016453 (Long-term Efficacy of Percutaneous Tibial Nerve Stimulation for Faecal Incontinence and New Approach for Partial Responders), which is not on this map. Not yet cited in PubMed.
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Long-term Efficacy of Percutaneous Tibial Nerve Stimulation for Faecal Incontinence and New Approach for Partial Responders
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8 authors.
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Abstract
backgroundFaecal incontinence (FI) increases up to 50% with age in institutionalized older individuals, and treatment options have been scarcely studied for older people. Posterior tibial nerve stimulation (PTNS) is a minimally invasive second-line treatment available. This research aims to assess long-term clinical outcomes of PTNS using the Wexner score in community-dwelling patients aged > 65 years, and its impact on quality of life (QoL).
methodsA prospective cohort study with 61 patients (median age 71 years; 79% women) was conducted. PTNS was administered in three phases over 12 months, with follow-ups (FUs) at 3, 6, 12 and 36 months. Optimal responders (ORs) were defined as achieving a > 50% reduction in Wexner score compared with baseline. Partial responders that presented a 25-50% reduction in Wexner score were also considered as potential long-term ORs.
resultsAt the end of treatment, 64% of patients were OR, with sustained improvement in 77% of them at 36 months. Wexner score significantly decreased throughout FUs, from median ten to four (p < 0.001). Faecal incontinence quality of life questionnaires (FIQLs) showed limited improvement in depression domain at 6- and 36-month FUs. Faecal urgency improved in a logistic regression analysis (p < 0.01). Multivariable logistic regression identified increasing age as independently associated with clinical response (p = 0.04).
conclusionsPTNS was associated with improvement in incontinence severity scores and faecal urgency in selected community-dwelling older adults, although reductions in FI episode frequency and quality of life measures were limited. These findings suggest that PTNS may have a selective role within individualized management strategies, particularly in urgency-predominant symptoms. TRIAL REGISTRATION NUMBER: NCT05016453, retrospectively registered in 2021.
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