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ORIGINAL ARTICLE

Intrathecal baclofen withdrawal: A rare cause of reversible cardiomyopathy*

, , &
Pages 13-17 | Received 23 Sep 2015, Accepted 27 Jan 2015, Published online: 28 Sep 2016
 

Abstract

Baclofen is commonly used to treat spasticity of central etiology. Unfortunately, a potentially lethal withdrawal syndrome can complicate its use. This is especially true when the drug is administered intrathecally. There are very few cases of baclofen withdrawal leading to reversible cardiomyopathy described in the literature. The authors present a patient with a history of chronic intrathecal baclofen use who, in the setting of acute baclofen withdrawal, develops laboratory, electrocardiogram, and echocardiogram abnormalities consistent with cardiomyopathy. Upon reinstitution of intrathecal baclofen, the cardiomyopathy and associated abnormalities quickly resolve. Although rare, it is crucial to be aware of this reversible cardiomyopathy to ensure its prompt diagnosis and treatment.

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