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Patients with ischemic stroke have a higher prevalence of a planar QRS-T angle >90° than patients with transient ischemic attack

Kaushang Gandhi, Wilbert S. Aronow, Harit Desai, Chandrasekar Palaniswamy, Tarunjit Singh, Harshad Amin, Mala Sharma, Hoang M. Lai

Med Sci Monit 2010; 16(12): CR588-592

ID: 881295

Published: 2010-11-30


Background:    The aim of the study was to investigate the prevalence of a planar QRS-T angle >90° in patients with ischemic stroke versus transient ischemic attack (TIA).
    Material/Methods:    In a prospective study of 279 consecutive patients who had ischemic stroke (197 patients) or TIA (82 patients), the planar QRS-T angle was measured from a 12-lead electrocardiogram taken at the time of the stroke or TIA. All QRS-T angle measurements were made by 3 authors who agreed on the measurements and who were blinded to the clinical findings. A QRS-T angle >90° was considered abnormal.
    Results:    The mean age was 66±6 years in patients with ischemic stroke versus 62±6 years in patients with TIA (p=0.04). The mean body mass index and the prevalence of gender, smoking, hypertension, diabetes mellitus, dyslipidemia, and coronary artery disease were not significantly different between patients with ischemic stroke versus TIA. A QRS-T angle >90° was present in 55 of 197 patients (28%) with ischemic stroke and in 10 of 82 patients (12%) with TIA (p=0.004).
    Conclusions:    The prevalence of a planar QRS-T angle >90° was higher in patients with ischemic stroke than in patients with TIA (p=0.004).

Keywords: Predictive Value of Tests, Middle Aged, Ischemic Attack, Transient - physiopathology, Humans, Electrocardiography, Body Mass Index, Aged, Prospective Studies, Risk Factors, Stroke - physiopathology, Ventricular Function - physiology



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