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Preliminary results of the effect of extracorporeal magnetic stimulation on urinary incontinence after radical prostatectomy: a pilot study.
Urol Int. 2005; 74(3):224-8.UI

Abstract

INTRODUCTION

Radical prostatectomy is a common procedure for the treatment of clinically localized prostate cancer. However, urinary incontinence is a significant potential source of morbidity following surgery. Extracorporeal magnetic stimulation (ExMS) is a new technology used for pelvic muscle strengthening in the treatment of stress urinary incontinence. We investigated the clinical effects of ExMS on urinary incontinence after retropubic radical prostatectomy.

PATIENTS AND METHODS

Ten patients who had suffered from urinary incontinence for more than 12 months following radical prostatectomy were enrolled in this study. The Neocontrol system was used. Treatment sessions were for 20 min, twice a week for 2 months. The frequency of the pulse field was 10 Hz for 10 min, followed by a second treatment at 50 Hz for 10 min. Objective and subjective measures included voiding diaries, 1-hour pad weight testing, and a quality of life survey at 1, 2, 3, and 6 months after starting the treatment. Urodynamic studies were performed before and after treatment.

RESULTS

Three patients became dry (30%), 3 patients improved (30%), and 4 patients showed stationary symptoms (40%). In the 1-hour pad weight testing, the mean pad weight decreased from 25 to 10.3 g, and the quality of life scores had improved from 70.5 to 84.9 2 months after treatment. The frequency of leak episodes per day was reduced from 5.0 times before to 1.9 times after treatment. In the urodynamic study, mean maximum cystometric capacity and Valsalva leak point pressure increased from 197 +/- 53.2 to 309 +/- 85.3 ml and from 67.3 +/- 22.6 to 97.1 +/- 22.7 cm H2O after treatment, respectively (p < 0.05). 3 of 6 patients who showed improvement returned to the baseline values within 12 months after treatment and requested maintenance ExMS therapy. No side effects were observed.

CONCLUSIONS

ExMS therapy offered a new option for urinary incontinence treatment after radical prostatectomy. Further studies are required to determine how long the benefits of treatment last and whether maintenance therapy is necessary.

Authors+Show Affiliations

Department of Urology, Okayama University Graduate School of Medicine and Dentistry, Okayama 700-8558, Japan. uroyoko@md.okayama-u.ac.jpNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

15812208

Citation

Yokoyama, Teruhiko, et al. "Preliminary Results of the Effect of Extracorporeal Magnetic Stimulation On Urinary Incontinence After Radical Prostatectomy: a Pilot Study." Urologia Internationalis, vol. 74, no. 3, 2005, pp. 224-8.
Yokoyama T, Inoue M, Fujita O, et al. Preliminary results of the effect of extracorporeal magnetic stimulation on urinary incontinence after radical prostatectomy: a pilot study. Urol Int. 2005;74(3):224-8.
Yokoyama, T., Inoue, M., Fujita, O., Nozaki, K., Nose, H., & Kumon, H. (2005). Preliminary results of the effect of extracorporeal magnetic stimulation on urinary incontinence after radical prostatectomy: a pilot study. Urologia Internationalis, 74(3), 224-8.
Yokoyama T, et al. Preliminary Results of the Effect of Extracorporeal Magnetic Stimulation On Urinary Incontinence After Radical Prostatectomy: a Pilot Study. Urol Int. 2005;74(3):224-8. PubMed PMID: 15812208.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Preliminary results of the effect of extracorporeal magnetic stimulation on urinary incontinence after radical prostatectomy: a pilot study. AU - Yokoyama,Teruhiko, AU - Inoue,Miyabi, AU - Fujita,Osamu, AU - Nozaki,Kunihiro, AU - Nose,Hiroyuki, AU - Kumon,Hiromi, PY - 2004/06/07/received PY - 2004/10/28/accepted PY - 2005/4/7/pubmed PY - 2005/7/6/medline PY - 2005/4/7/entrez SP - 224 EP - 8 JF - Urologia internationalis JO - Urol. Int. VL - 74 IS - 3 N2 - INTRODUCTION: Radical prostatectomy is a common procedure for the treatment of clinically localized prostate cancer. However, urinary incontinence is a significant potential source of morbidity following surgery. Extracorporeal magnetic stimulation (ExMS) is a new technology used for pelvic muscle strengthening in the treatment of stress urinary incontinence. We investigated the clinical effects of ExMS on urinary incontinence after retropubic radical prostatectomy. PATIENTS AND METHODS: Ten patients who had suffered from urinary incontinence for more than 12 months following radical prostatectomy were enrolled in this study. The Neocontrol system was used. Treatment sessions were for 20 min, twice a week for 2 months. The frequency of the pulse field was 10 Hz for 10 min, followed by a second treatment at 50 Hz for 10 min. Objective and subjective measures included voiding diaries, 1-hour pad weight testing, and a quality of life survey at 1, 2, 3, and 6 months after starting the treatment. Urodynamic studies were performed before and after treatment. RESULTS: Three patients became dry (30%), 3 patients improved (30%), and 4 patients showed stationary symptoms (40%). In the 1-hour pad weight testing, the mean pad weight decreased from 25 to 10.3 g, and the quality of life scores had improved from 70.5 to 84.9 2 months after treatment. The frequency of leak episodes per day was reduced from 5.0 times before to 1.9 times after treatment. In the urodynamic study, mean maximum cystometric capacity and Valsalva leak point pressure increased from 197 +/- 53.2 to 309 +/- 85.3 ml and from 67.3 +/- 22.6 to 97.1 +/- 22.7 cm H2O after treatment, respectively (p < 0.05). 3 of 6 patients who showed improvement returned to the baseline values within 12 months after treatment and requested maintenance ExMS therapy. No side effects were observed. CONCLUSIONS: ExMS therapy offered a new option for urinary incontinence treatment after radical prostatectomy. Further studies are required to determine how long the benefits of treatment last and whether maintenance therapy is necessary. SN - 0042-1138 UR - https://www.unboundmedicine.com/medline/citation/15812208/Preliminary_results_of_the_effect_of_extracorporeal_magnetic_stimulation_on_urinary_incontinence_after_radical_prostatectomy:_a_pilot_study_ L2 - https://www.karger.com?DOI=10.1159/000083553 DB - PRIME DP - Unbound Medicine ER -