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Urology. 1999 Jun;53(6):1108-11.

Extracorporeal magnetic innervation therapy for stress urinary incontinence.

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  • 1Emory University School of Medicine, Atlanta, Georgia, USA.

Abstract

OBJECTIVES:

To report the first data from a prospective clinical study to determine the feasibility of using extracorporeal magnetic innervation (ExMI) for the treatment of stress urinary incontinence.

METHODS:

We studied 83 women with demonstrable stress urinary incontinence. Treatments were for 20 minutes, twice a week for 6 weeks. For treatment, the patient sits fully clothed on a special chair; within the seat is a magnetic field generator that produces the rapidly changing magnetic field flux. Objective measures included bladder diaries, dynamic pad weight testing, urodynamic studies, and quality of life survey.

RESULTS:

Fifty patients have been followed up for longer than 3 months (33 patients for less than 3 months); 17 patients (34%) were dry, 16 (32%) were using not more than 1 pad per day, and 17 (34%) were using more than 1 pad per day. Pad use was reduced from 2.5 to 1.3 (P = 0.001) and leak episodes per day were reduced from 3.3 to 1.7 (P = 0.001). The pad weight was reduced from 20 to 15 g. Detrusor instability was found in 5 patients before but was demonstrated in only 1 patient after treatment.

CONCLUSIONS:

ExMI therapy offers a new effective modality for pelvic floor muscle stimulation. ExMI is painless, there is no need for a probe, and no need to undress for treatments. Longer follow-up is required to determine how long the benefits of treatment last and whether retreatment will be necessary.

PMID:
10367836
[PubMed - indexed for MEDLINE]
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