Abstract
Aim
Transcutaneous electrical nerve stimulation (TENS) is a possible alternative to sacral nerve stimulation because the neurophysiologic targets might be similar but the former method is non-invasive and cheaper. The aim of the study was to assess both symptom and quality of life (QoL) improvements in patients suffering from severe FI.
Methods
Thirty two patients (M/F, 30/2; age, 61 ± 13 years) were enrolled in a pilot trial because they suffered from a severe and stable FI (Cleveland Score14.5 ± 2.8 [11–20]) for a long duration (95 ± 91 months). TENS was delivered 20 min bis in die at home (Schwa Medico, P3). Assessment was realized at 1, 3, and 6 months with both semi-directive and self-administered questionnaires. Main endpoint was the quantified success rate after 1 month of follow-up.
Results
Mean subjective improvement was 26 ± 30%: 20 (63%) patients reported some degree of improvement and 10 (32%) at least a 25% improvement in fecal incontinence. The Cleveland score significantly decreased at 1 (11 ± 4; p < 0.001), 3 (11 ± 5; p < 0.001), and 6 (10 ± 5; p < 0.001) months. All subscales of QoL were significantly improved after a 3-month period of stimulation. However, constipation score and number of pads did not change. There was no adverse event.
Conclusion
TENS provides slight improvement in FI. This justifies both neurophysiology assessment and randomized controlled studies before further diffusion of the technique.
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Eléouet, M., Siproudhis, L., Guillou, N. et al. Chronic posterior tibial nerve transcutaneous electrical nerve stimulation (TENS) to treat fecal incontinence (FI). Int J Colorectal Dis 25, 1127–1132 (2010). https://doi.org/10.1007/s00384-010-0960-3
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DOI: https://doi.org/10.1007/s00384-010-0960-3