• A Zahavi, J H B Geertzen, B Middel, M Staal, and J S Rietman.
• Department of Rehabilitation, University Groningen, Netherlands.
• J. Neurol. Neurosurg. Psychiatr. 2004 Nov 1;75(11):1553-7.

ObjectivesTo evaluate long term change in impairment, disability, and health related functional status in patients with severe spasticity who received intrathecal baclofen.MethodsA long term (more than five years) observational longitudinal follow up study assessing 21 patients who received intrathecal baclofen given by programmable pump. Patients had chronic disabling spasticity which did not respond to oral antispasmolytic agents. Clinical efficacy was assessed by the Ashworth scale and spasm score; disability by the expanded disability status scale (EDSS), ambulation index (AI), and incapacity status scale (ISS); and health related quality of life by the sickness impact profile (SIP) and the Hopkins symptom checklist (HSCL).ResultsCompared with pretreatment values, there was a significant improvement in clinical efficacy (Ashworth scale and spasm score, p<0.05) but a small but significant worsening of disability (EDSS, AI, and ISS, p<0.05). Comparing pretreatment with 26 weeks after pump implantation, a worsening was observed in disability (EDSS and ISS, p<0.05) and perceived health status (SIP, psychosocial dimension, p<0.05).ConclusionsLong term administration of intrathecal baclofen delivered by an implanted programmable pump resulted in improved clinical efficacy but not in improvement in disability or perceived health status.

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