• Journal of neurology · Jul 2013

    Nocturnal hypertension and dysautonomia in patients with Parkinson's disease: are they related?

    • Koldo Berganzo, Begoña Díez-Arrola, Beatriz Tijero, Johanne Somme, Elena Lezcano, Verónica Llorens, Iratxe Ugarriza, Roberto Ciordia, J C Gómez-Esteban, and Juan J Zarranz.
    • Autonomic and Movement Disorders Unit, Neurology Service, Basque Health Service (Osakidetza), Cruces University Hospital, Plaza de Cruces s/n, Barakaldo 48903, Spain. koldo.berganzocorrales@osakidetza.net
    • J. Neurol. 2013 Jul 1; 260 (7): 1752-6.

    AbstractOrthostatic hypotension and supine hypertension frequently coexist in Parkinson's disease (PD) patients, leading to visceral damage and increased mortality rates. The aim of this paper is to analyze the frequency and association of both conditions in a sample of outpatients with PD. A total of 111 patients, diagnosed with PD, were studied. Disease duration, treatment, cardiovascular risk factors, UPDRS I-IV and Scopa Aut scale scores were reported. Subjects underwent 24-h ambulatory blood pressure (BP) monitoring and were assessed for orthostatic hypotension. We compared our results with those published in 17,219 patients using the same protocol and the same type of device. Overall, 71.1 % had no proper circadian rhythm. This frequency was significantly higher than that of the control population (48 %). The prevalence of the nondipper or riser patterns was higher in patients with orthostatic hypotension (77.8 vs. 66.7 %). There was a correlation between nightly increases in diastolic blood pressure and changes in BP during the orthostatic test. Patients taking higher doses of treatment had less decreases in SBP (cc:-0.25; p = 0.007) and DBP (cc:-0.33; p < 0.001) at night, however there was no relation with drug type. The majority of patients with Parkinson's disease show an altered circadian rhythm of blood pressure. Patients with a non-dipper or riser pattern on 24 h ABPM exhibited a higher prevalence of autonomic disorders (orthostatic hypotension) and received higher doses of dopaminergic treatment. A day-night variation in diastolic blood pressure was the most important marker of these findings.

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