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J Rehabil Med. 2011 May;43(6):511-4. doi: 10.2340/16501977-0811.

Treatment of spasticity related to multiple sclerosis with intrathecal baclofen: a long-term follow-up.

Author information

1
Department of Neurology, Haukeland University Hospital, NO-5021 Bergen, Norway. tiina.rekand@helse-bergen.no

Abstract

BACKGROUND:

Spasticity is a frequent disabling symptom in patients with multiple sclerosis, which contributes to functional deterioration.

OBJECTIVE:

To evaluate the long-term effect of intrathecal baclofen therapy in multiple sclerosis-related spasticity and to evaluate the side-effects of long-term therapy, and the doses of baclofen required.

METHODS:

Fourteen patients with multiple sclerosis were followed up clinically for a mean of 62 months (range 19-137 months). Clinical evaluation was made using individual goals, modified Ashworth scale, and Kurtzke Expanded Disability Status Scale.

RESULTS:

Spasticity, measured with the modified Ashworth score, decreased in all patients by a mean of 1 point. The score on the Expanded Disability Status Scale improved in 2 cases. Prior to implantation, 10 patients (72%) reported severe pain. After implantation 3 improved and 7 became pain-free. The daily doses needed for treatment were highly individual. The effect of intrathecal baclofen on spasticity lasted observation time. One patient experienced progressive cognitive impairment as a side-effect of baclofen.

CONCLUSION:

Intrathecal baclofen is well-tolerated and the effect lasts for up to 12 years. A thorough continuous clinical assessment is required because the differentiation between symptoms of multiple sclerosis progression and side-effects of baclofen may be difficult. Intrathecal baclofen should be considered as an option for long-term treatment of patients with advanced spasticity. Pain control can also be achieved by optimized intrathecal baclofen treatment.

PMID:
21533331
DOI:
10.2340/16501977-0811
[Indexed for MEDLINE]
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