Cardiovascular effects of methamphetamine in Parkinson's disease patients

Nicola Pavese, Ornella Rimoldi, Alexander Gerhard, David J. Brooks, Paola Piccini

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Cardiovascular responses after intravenous methamphetamine were assessed in 11 Parkinson's disease (PD) patients. Systolic blood pressure (SBP), diastolic blood pressure (DBP), heart rate (HR), and electrocardiogram (ECG) were monitored for 103 minutes. After methamphetamine administration, SBP and DBP increased significantly in both PD and normal controls whereas placebo had no effect. In PD patients, however, the duration of SBP and DBP responses to methamphetamine and the maximum increase from baseline was attenuated compared with the controls. A significant correlation was found between individual BP responsiveness and the Unified Parkinson's Disease Rating Scale (UPDRS) motor score. These findings suggest that in PD there is impairment of catecholamine release from peripheral sympathetic presynaptic terminals, which correlates with motor impairment. © 2003 Movement Disorder Society.
    Original languageEnglish
    Pages (from-to)298-303
    Number of pages5
    JournalMovement Disorders
    Volume19
    Issue number3
    DOIs
    Publication statusPublished - Mar 2004

    Keywords

    • Blood pressure
    • Methamphetamine
    • Parkinson's disease
    • Postganglionic sympathetic neurons

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