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Treatment of Urinary Urgency Incontinence Using a Rechargeable SNM System: 6-Month Results of the ARTISAN-SNM Study. The Journal of urology McCrery, R. n., Lane, F. n., Benson, K. n., Taylor, C. n., Padron, O. n., Blok, B. n., De Wachter, S. n., Pezzella, A. n., Gruenenfelder, J. n., Pakzad, M. n., Perrouin-Verbe, M. A., Le Normand, L. n., Van Kerrebroeck, P. n., Mangel, J. n., Peters, K. n., Kennelly, M. n., Shapiro, A. n., Lee, U. n., Comiter, C. n., Mueller, M. n., Goldman, H. B. 2019: 101097JU0000000000000458

Abstract

Sacral neuromodulation is a guideline recommended treatment of urinary dysfunction and fecal incontinence in patients in whom conservative treatments have failed. Historically sacral neuromodulation has been delivered using a nonrechargeable device with an average life span of 4.4 years. Surgery is required to replace the implanted neurostimulator due to battery depletion. Implantation of a long-lived implanted neurostimulator can eliminate the need for replacement surgeries, potentially reducing patient surgical risks and health care costs. The Axonics SNM System™ is a miniaturized, rechargeable sacral neuromodulation system designed to deliver therapy for at least 15 years. The ARTISAN-SNM (Axonics® Sacral Neuromodulation System for Urinary Urgency Incontinence Treatment) study is a pivotal study using rechargeable sacral neuromodulation therapy to treat urinary urgency incontinence. Six-month results are presented.A total of 129 eligible patients with urinary urgency incontinence were treated. All participants were implanted with a tined lead and the rechargeable sacral neuromodulation system in a nonstaged procedure. Efficacy data were collected using a 3-day bladder diary, the validated ICIQ-OABqol (International Consultation on Incontinence Questionnaire Overactive Bladder quality of life) quality of life questionnaire and a participant satisfaction questionnaire. Therapy responders were identified as participants with a 50% or greater reduction in urinary urgency incontinence episodes compared to baseline. We performed an as treated analysis in all implanted participants.At 6 months 90% of participants were therapy responders. The mean ± SE number of urinary urgency incontinence episodes per day was reduced from 5.6 ± 0.3 at baseline to 1.3 ± 0.2. Participants experienced a clinically meaningful 34-point improvement on the ICIQ-OABqol questionnaire. There were no serious device related adverse events.The Axonics r-SNM System is safe and effective with 90% of participants experiencing clinically and statistically significant improvements in urinary urgency incontinence symptoms.

View details for DOI 10.1097/JU.0000000000000458

View details for PubMedID 31347955