In patients undergoing neuromodulation for intractable urge incontinence a reduction in 24-hr pad weight after the initial test stimulation best predicts long-term patient satisfaction.
AIMS: To evaluate long-term patient satisfaction of sacral neuromodulation and to correlate satisfaction with incontinence parameters. METHODS: Patients at least 1-year remote from sacral neuromodulation were mailed a questionnaire to evaluate satisfaction and assess incontinence symptoms. RESULTS: Fifty-two patients were consecutively enrolled in the study. Forty-nine questionnaires (94.2%) were returned. The average interval between implantation and questionnaire completion was 27.2 (range 12-52) months. 83.7% of respondents were satisfied and 79.6% of patients would "do it all over again." Compared to dissatisfied subjects during test stimulation, the satisfied patients had a significant decrease in 24-hr pad weight (84.5% vs. 60.6%, P = 0.002) but did not differ in daily pad usage (4.5 fewer pads per day vs. 3.4, P = 0.190). At long-term follow-up, satisfied patients noted significantly greater improvement in their Incontinence Impact Questionnaire score versus dissatisfied patients (mean improvement 53 vs. 10 points, P = 0.0003). Using multiple logistic regression, change in 24-hr pad weight, but not change in average daily pad usage, was correlated with long-term satisfaction. CONCLUSIONS: Eighty-four percent of patients were satisfied with sacral neuromodulation at a mean of 27 months. An 84.5% reduction in 24-hr pad weight correlated with long-term patient satisfaction. In addition to lack of efficacy, device pain was a contributing factor to dissatisfaction.
Foster, RT; Anoia, EJ; Webster, GD; Amundsen, CL
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