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Aims: The aim of this study is to determine the sustained therapeutic efficacy and treatment intervals for PTNS in NOAB with MS, offering periodic additional treatments during 1 year in patients who completed an initial course of 12 consecutive weekly sessions., Methods: A total of 34 patients enrolled to the PTNS treatment and 21 patients completed the 1 year PTNS treatment with a tapering protocol of 6, 9, and 12 months of therapy, respectively. After 12 weeks of therapy, PTNS was applied at 14 day intervals for 3 months, 21 day intervals for 3 months, and 28 day intervals for 3 months. The patients completed a 3-day voiding diary at 3rd, 6th, 9th, and 12th month. The patients requested to complete validated questionnaires (ICIQ-SF, OAB-V8, OAB-q SF) were carried out within 3-month intervals thereafter during their enrolment in the study., Results: A total of 21 patients were enrolled in the study. Of these 5 (23.8%) were men and 16 (76.2%) women. The improvements for all voiding diary parameters were significant in the 6th, 9th, and 12th months when compared with baseline. Mean values between baseline and 12 month parameters suggested that daytime frequency decreased by 5.4 voids daily, urge incontinence decreased by 3.4 episodes daily, urgency episodes decreased by 7.4 episodes daily, nocturia decreased by 2.6 voids, and voided volume improved by a mean of 72.1 cc., Conclusion: These results have demonstrated NOAB symptom improvement in MS patients can be achieved with 12 weekly PTNS treatments which show excellent durability over 12 months. Neurourol. Urodynam. 36:104-110, 2017. © 2015 Wiley Periodicals, Inc., (© 2015 Wiley Periodicals, Inc.)

The article discusses Neurogenic Detrusor Overactivity (NDO) which affects patients with Parkinson's Disease (PD) and the therapeutic use of percutaneous Posterior Tibial Nerve Stimulation (PTNS) for PD patients.

Objective: To investigate the effect of percutaneous posterior tibial nerve stimulation (PTNS) treatment after 12 weeks on urodynamic and clinical findings in patients with Parkinson's disease (PD) with neurogenic detrusor overactivity.Methods: A total of 47 patients with PD with neurogenic detrusor overactivity were enrolled in the study. Urodynamic studies before and after 12-week PTNS treatment were performed. International Consultation on Incontinence Questionnaire Short Form (ICIQ-SF), Overactive Bladder Questionnaire (OAB-V8), and Overactive Bladder Questionnaire Short Form (OAB-q SF) have been assessed before and after PTNS treatment.Results: The mean first involuntary detrusor contraction volume (1st IDCV) on standard cystometry was 133.2 ± 48.1 (24-265) mL, whereas it was 237.3 ± 43.1 (145-390) mL after PTNS. The mean maximum cystometric capacity (MCC) on standard cystometry was 202.2 ± 36.5 (115-320) mL, whereas it was 292.1 ± 50.6 (195-395) mL after stimulation. The improvements in the first involuntary detrusor contraction volume and maximum cystometric capacity were statistically significant after stimulation. The mean Pdetmax at first involuntary detrusor contraction, maximal detrusor pressure at maximum cystometric capacity, PdetQmax, Qmax, and post-void residual volume were statistically significant after 12-week stimulation. Mean parametric improvements at 12-week PTNS treatment from baseline included daytime frequency decreased by 5.6 voids daily, urge incontinence decreased by 3.1 episodes daily, urgency episodes decreased by 6.3 episodes daily, nocturia decreased by 2.7 voids, and voided volume improved by a mean of 92.6 mL. The change from baseline on the ICIQ-SF, OABv8, and OAB-q at 12-week PTNS treatment demonstrated statistically significant improvements.Conclusion: These results have demonstrated that PTNS improves the lower urinary tract symptoms and urodynamic parameters in patients with PD. [ABSTRACT FROM AUTHOR]