Abstract
You have accessJournal of UrologyUrodynamics/Incontinence/Female Urology: Incontinence - Evaluation & Therapy II1 Apr 20121177 30 MONTH STUDY RESULTS USING PERCUTANEOUS TIBIAL NERVE STIMULATION: LONG TERM EFFICACY OUTCOMES Kenneth Peters, Donna Carrico, Scott MacDiarmid, Leslie Wooldridge, and Ansar Khan Kenneth PetersKenneth Peters Royal Oak, MI More articles by this author , Donna CarricoDonna Carrico Royal Oak, MI More articles by this author , Scott MacDiarmidScott MacDiarmid Greensboro, NC More articles by this author , Leslie WooldridgeLeslie Wooldridge Muskegon, MI More articles by this author , and Ansar KhanAnsar Khan Fremont, NE More articles by this author View All Author Informationhttps://doi.org/10.1016/j.juro.2012.02.1422AboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookTwitterLinked InEmail INTRODUCTION AND OBJECTIVES Neuromodulation has become increasingly recommended in the treatment algorithm for patients with OAB and is suited following failure of pharmacotherapy options. Percutaneous Tibial Nerve Stimulation (PTNS) treatment, using Urgent® PC, is a minimally invasive, office based neuromodulation system designed to deliver neuromodulation to the sacral nerve plexus through the posterior tibial nerve via temporary insertion of a 34 gauge needle electrode near the medial malleolus. The objective of this review is to evaluate the treatment efficacy and interval through 30 months of sustained therapy from the Sustained Therapeutic Effects of Percutaneous Tibial Nerve Stimulation (STEP) Study. METHODS Subjects participating in the multi-center, randomized, double-blind SUmiT Trial who met the primary endpoint of success after 12 weekly PTNS treatments were invited to participate in the long term STEP Study. Subjects were prescribed a tapering protocol of PTNS for 3 months and then received ongoing therapy according to a Personal Treatment Plan. The frequency of treatment was determined by the investigator and subject to maintain improvement of subject's OAB symptoms. The mean ± SD and median PTNS treatments per month were calculated at 3-month intervals through 30 months. Follow-up questionnaires were completed every 3 months, and 3-day voiding diaries were completed every 6 months from initial treatment baseline. Adverse events were recorded throughout the trial. RESULTS Of the 60 subjects eligible to continue, 87% (52/60) enrolled in the STEP Study. Of the 52 subjects enrolled, 34 completed their 30 month visit. Eighteen subjects withdrew due to various reasons. The mean number of days between treatments by follow up interval varied from 21.6 to 40.5. Mean number of treatments received per month ranged from 1.1 to 1.3 following the initial and prescribed treatment phase. Voiding diary parameters at 6, 12, 18 and 24 months were significant for improvement compared to baseline for frequency, incontinence episodes, nighttime voids and moderate to severe urgency episodes. The OAB-q was also statistically significant for improvement at each follow up interval compared to baseline. CONCLUSIONS Sustained efficacy of PTNS was demonstrated over 30 months with a mean of 1.2 treatments a month following initial success at 12 weeks. Clinicians should consider PTNS treatment in the continuum of care for OAB patients. © 2012 by American Urological Association Education and Research, Inc.FiguresReferencesRelatedDetails Volume 187Issue 4SApril 2012Page: e477 Advertisement Copyright & Permissions© 2012 by American Urological Association Education and Research, Inc.MetricsAuthor Information Kenneth Peters Royal Oak, MI More articles by this author Donna Carrico Royal Oak, MI More articles by this author Scott MacDiarmid Greensboro, NC More articles by this author Leslie Wooldridge Muskegon, MI More articles by this author Ansar Khan Fremont, NE More articles by this author Expand All Advertisement Advertisement PDF downloadLoading ...
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