Skip Navigation LinksHome > June 2014 - Volume 57 - Issue 6 > Predictive Factors for Successful Sacral Nerve Stimulation i...
Diseases of the Colon & Rectum:
doi: 10.1097/DCR.0000000000000115
Original Contributions: Pelvic Floor

Predictive Factors for Successful Sacral Nerve Stimulation in the Treatment of Fecal Incontinence: Lessons From a Comprehensive Treatment Assessment

Roy, Anne-Laure M.D.1; Gourcerol, Guillaume M.D., Ph.D.1; Menard, Jean-Francois M.D.3; Michot, Francis M.D., Ph.D.2; Leroi, Anne-Marie M.D., Ph.D.1; Bridoux, Valérie M.D., Ph.D.1, 2

Supplemental Author Material
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Abstract

BACKGROUND: Sacral nerve stimulation has a place in the treatment algorithm for fecal incontinence, but the predictive factors of its midterm and long-term success are unknown.

OBJECTIVE: The purpose of this study was to investigate the effect of a 3-year sacral nerve stimulation treatment of fecal continence and to identify specific predictive factors from the pretreatment and per-treatment assessments for the midterm success of sacral nerve stimulation.

DESIGN: A cohort analysis of consecutive patients treated with sacral nerve stimulation for fecal incontinence over a period of 3 years was performed.

SETTINGS: This study was conducted at an academic colorectal unit in a tertiary care center.

PATIENTS: Sixty patients were available for the assessment of 3-year outcomes.

MAIN OUTCOME MEASURES: Clinical outcome (including Cleveland Clinic score) and anorectal physiological data were collected prospectively before and after treatment.

RESULTS: At the 3-year follow-up, 33 of the 60 implanted patients had an improved outcome as defined by a ≥30% improvement in the Cleveland Clinic score from baseline (37.1% on intention to treat and 55.0% per protocol), whereas 22 had an unsuccessful outcome as defined by a <30% improvement in the Cleveland Clinic score from baseline (24.7% on intention to treat and 36.7% per protocol), of whom 7 had their device explanted or switched off permanently before the 3-year assessment, and 3 were lost at follow-up. At 3 years, we failed to identify any factors that could predict the 3-year clinical outcome of sacral nerve stimulation based on preimplantation and postimplantation assessments.

LIMITATIONS: This study involved a relatively small number of patients. There was a lack of consistency in the tool used to evaluate the efficacy of the test and permanent stimulations.

CONCLUSIONS: Based on per-protocol assessments, 55% of the patients had improved outcomes at the 3-year follow-up. No predictor was identified by the pretreatment and posttreatment assessments (see Video, Supplemental Digital Content 1, http://links.lww.com/DCR/A133).

© 2014 The American Society of Colon and Rectal Surgeons

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