The aim of this study is to determine the success rate, the success duration, the complication rate, maintenance effort and quality of life several years after sacral nerve modulation (SNM) treatment for constipation or stool incontinence.
Study Type
OBSERVATIONAL
Enrollment
101
electric stimulation of the sacral nerve using an implanted electrode and stimulator
Percentage of Patients Considering the Treatment a Success After 5 Years
Treatment is considered a success if a patients reports a subjective 50% reduction in disease related complaints
Time frame: 5 years
Percentage of Patients Considering the Treatment a Success After 1 Years
Treatment is considered a success if a patient reports a subjective 50% reduction in disease related complaints
Time frame: 1 year
Percentage of Patients Considering the Treatment a Success After 3 Years
Treatment is considered a success if a patient reports a subjective 50% reduction in disease related complaints
Time frame: 3 year
Number of Patients at Risk After 1 Year
patients at risk according time-to-event statistics, i.e. number of participants still under evaluation, i.e. all participants minus the ones who have died, dropped out, or move out at the time of evaluation (https://en.wikipedia.org/wiki/Kaplan%E2%80%93Meier\_estimator, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3059453/).
Time frame: 1 year
Number of Patients at Risk After 3 Years
patients at risk according time-to-event statistics, i.e. number of participants still under evaluation, i.e. all participants minus the ones who have died, dropped out, or move out at the time of evaluation (https://en.wikipedia.org/wiki/Kaplan%E2%80%93Meier\_estimator, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3059453/).
Time frame: 3 year
Number of Patients at Risk After 5 Years
patients at risk according time-to-event statistics, i.e. number of participants still under evaluation, i.e. all participants minus the ones who have died, dropped out, or move out at the time of evaluation (https://en.wikipedia.org/wiki/Kaplan%E2%80%93Meier\_estimator, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3059453/).
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Time frame: 5 year
Rate of Permanent Stimulator Implantations
Rate of patients who finished the test phase with an external stimulator successfully (subjective reporting and 50% reduction of Wexner score for incontinence)
Time frame: 1 month