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" Clinical experience with percutaneous tibial nerve stimulation in the elderly; do outcomes differ by gender? "
Palmer, Cristina; Nguyen, Nobel; Ghoniem, Gamal
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AL
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| Record Number
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908217
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LA5436w3p1
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| Title & Author
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Clinical experience with percutaneous tibial nerve stimulation in the elderly; do outcomes differ by gender? [Article]\ Palmer, Cristina; Nguyen, Nobel; Ghoniem, Gamal
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2019
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| Title of Periodical
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UC Irvine
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| Abstract
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Objective: To evaluate the use of percutaneous tibial nerve stimulation (PTNS) in an elderly population, as PTNS is a third-line treatment in the management of overactive bladder (OAB) and affects 10-26% of adult males and 8-42% of adult females, increasing in prevalence with age. Patients and methods: We performed a chart review of patients aged ≥ 65 years undergoing PTNS at a single institution over 6 years. We examined clinicopathological variables potentially associated with the outcomes of interest. Results: In total, 52 patients aged ≥ 65 years underwent an induction course of PTNS between 2011 and 2017, comprising 23 men and 29 women. The mean age of the patients was 75.75 years and the mean body mass index (BMI) was 26.33 kg/m2. In all, 36 patients used anticholinergic treatments prior to PTNS, five used a β3-adrenoceptor agonist, and three had Botox injections. After PTNS, 37 patients reported improvement of their symptoms, with 21 using combined therapy during PTNS. Only seven patients used an anticholinergic after PTNS, six used a β3-adrenoceptor agonist, five had Botox injections, and two had sacral neuromodulation. When looking at variables such as age, gender, race, BMI, and comorbidities, we found that an obese BMI was the only statistically significant variable predicting failure of response. A sub-analysis of only women did not demonstrate any predictors of failure. Conclusion: Our subjective response rate of 70% was within the success rates reported in literature. In all, 39% of patients used a concomitant treatment during PTNS and 13.2% required alternative treatment after PTNS. Abbreviations: BMI: body mass index; OAB: overactive bladder; PTNS: percutaneous tibial nerve stimulation; UI: urinary incontinence.
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