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Title: Does abnormal circadian blood pressure pattern really matter in patients with transient ischemic attack or minor stroke?
Authors: Zhang, WenWen;Cadilhac, Dominique A;Churilov, Leonid;Donnan, Geoffrey A;O'Callaghan, Christopher J;Dewey, Helen M
Affiliation: From the Florey Institute of Neuroscience and Mental Health, Melbourne, Australia (W.Z., D.A.C., L.C., G.A.D., H.M.D.); Department of Medicine, The University of Melbourne, Parkville, Victoria, Australia (D.A.C., L.C., G.A.D., C.O'C., H.M.D.); Translational Public Health Research Unit, Stroke and Ageing Research, Southern Clinical School, Monash University, Melbourne, Victoria, Australia (D.A.C.); Neurology Department, Austin Hospital, Heidelberg, Victoria, Australia (H.M.D.); Clinical Pharmacology, Austin Health, Heidelberg, Victoria, Australia (C.O'C.); and Austin Health, Heidelberg, Victoria, Australia (W.Z.).
Issue Date: 14-Jan-2014
Citation: Stroke; A Journal of Cerebral Circulation 2014; 45(3): 865-7
Abstract: Patients with stroke are more likely to have impaired autonomic nervous function and abnormal circadian blood pressure (BP) patterns. It remains unclear whether circadian BP patterns in patients with transient ischemic attack or minor stroke (National Institutes of Health Stroke Scale ≤3) differ from those in the normal population.Participants were assessed using a 24-hour ambulatory BP monitor and a short-term measurement of heart rate variability.There were 76 patients (mean age, 67.2 years; 57.9% men; and 61.8% transient ischemic attack) and 82 controls (65.6 years; 54.9% men). A history of hypertension was more prevalent in patients (72.4%; controls 48.8%). Circadian BP patterns were distributed similarly among patients and controls, and heart rate variability was also consistent between patients and controls.In contrast to previous findings among patients with acute stroke, patients with transient ischemic attack or minor stroke had similar BP patterns and autonomic nervous system function, when compared with controls.
Internal ID Number: 24425127
DOI: 10.1161/STROKEAHA.113.004058
Type: Journal Article
Subjects: ambulatory blood pressure monitoring
autonomic nervous system
ischemic attack, transient
Autonomic Nervous System.physiopathology
Blood Pressure.physiology
Blood Pressure Monitoring, Ambulatory
Circadian Rhythm.physiology
Heart Rate.physiology
Ischemic Attack, Transient.physiopathology
Middle Aged
Risk Factors
Sample Size
Smoking.adverse effects
Appears in Collections:Journal articles

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