To assess the long-term clinical course of 44 patients treated for a spinal dural arteriovenous fistula, patients were re-examined after a median follow-up of 5.7 years. In total, 70% of patients rated their activities of daily life as better or much better than before treatment. In most patients, gait disturbances and muscle strength had improved after treatment, with reduced disability; problems with micturition, defecation, and erection tended to remain unchanged.
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Jellema et al. (2004) studied this question.
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