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  • Title: Intrathecal baclofen withdrawal: A rare cause of reversible cardiomyopathy.
    Author: Awuor SO, Kitei PM, Nawaz Y, Ahnert AM.
    Journal: Acute Card Care; 2016 Mar; 18(1):13-17. PubMed ID: 27682809.
    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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