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NEW YORK -- Sacral neuromodulation appears effective in modulating pelvic pain in patients who have both refractory chronic pelvic pain and irritable voiding symptoms, Jackie S. Shriver, a nurse-practitioner, said at an international congress of the Society of Laparoendoscopic Surgeons.
The finding suggests that there may be a bladder component in many cases of chronic gynecologic pelvic pain, particularly that which is not alleviated by hormonal or surgical treatment.
"I think it's important to think outside the box and think of other organs when you're dealing with chronic pelvic pain," said Ms. Shriver of the Midwest Regional Center for Chronic Pelvic Pain and Bladder Control, Lima, Ohio.
Medtronic's InterStim Therapy--Sacral Nerve Stimulation for Urinary Control system was approved in the United States in 1997 for the treatment of urinary retention, urge incontinence, and/or urinary urgency-frequency in patients who do not respond to other therapies or can't tolerate them.
In a prospective analysis, 18 women (aged 18-70 years) who had both gynecologic pelvic pain and irritable voiding symptoms for more than 5 years were initially assessed with the Pelvic Pain/Urinary Urgency/Frequency (PUF) Scale, the O'Leary-Sant Interstitial Cystitis Symptom Index (ICSI), and the American Urological Association (AUA) questionnaire on irritable voiding symptoms.
They also kept a 3-day voiding diary and underwent a preoperative potassium ...