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Clinical Trial
. 2001 Oct;43(10):652-7.
doi: 10.1017/s0012162201001190.

Intrathecal baclofen for generalized dystonia

A L Albright  1 , M J Barry, D H Shafton, S S Ferson
Affiliations
Free article
Clinical Trial

Intrathecal baclofen for generalized dystonia

A L Albright et al. Dev Med Child Neurol. 2001 Oct.
Free article

Abstract

The aim of this study was to evaluate the effects of intrathecal bacolfen (ITB) on patients with severe generalized dystonia. Eighty-six participants ranging in age from 3 to 42 years (median age 13 years) with generalized dystonia refractory to oral medications were offered treatment with ITB. Dystonia was associated with cerebral palsy in 71% of participants. Response to ITB was tested by continuous infusions in 72%, and by bolus injections in 17% of participants who had both dystonia and spasticity. Ninety-one percent of participants responded to the screening infusion and 93% to the bolus injections. Pumps were implanted in 77 participants. Dystonia scores at 3, 6, 12, and 24 months were significantly decreased (p<0.005) compared with baseline scores. Dystonia scores were significantly lower in those with intrathecal catheters positioned at T4, or higher than in those with catheters at T6 or lower (p=0.005). Ninety-two percent of participants implanted with a pump retained their responses to ITB during a median follow-up of 29 months. Patient questionnaires indicated that quality of life and ease of care improved in 86% and speech improved in 33%. Side effects of ITB occurred in 26% of participants. Surgical complications occurred in 38% and included CSF leaks, infections, and catheter problems. ITB is probably the treatment of choice for generalized dystonia if oral medications are ineffective.

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