The Changing Neurourologic Pattern of Multiple Sclerosis

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Abstract
Ten men and 8 women had 2 or more urodynamic evaluations, consisting of cystometrography and perineal flood needle electromyography during 2 mo.-6 yr (mean 25 mo.). The initial urodynamic patterns included a normal study in 1 patient, detrusor areflexia in 7 and detrusor hyperreflexia in 10 (5 with vesicosphincter dyssynergia). Re-examinations were done for persistent or new symptoms. The urodynamic pattern changed in 10 patients (55%), including cystometrographic changes in 7, newly developed neuropathic changes on electromyography in 5 and changes in detrusor-sphincter interaction in 9 (with 5 new cases of vesicosphincter dyssynergia). Of the 8 patients who did not demonstrate a urodynamic change 5 had vesicosphincter dyssynergia that persisted on followup. Vesicosphincter dyssynergia was the predominant pattern noted on re-evaluation, acting as a urodynamic indicator of progressive multiple sclerosis. Careful neurourologic assessment should be performed routinely in the followup of multiple sclerosis patients who are unresponsive to treatment or who manifest new symptoms.