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J Natl Med Assoc. 1993 Jun;85(6):452-6.

Left ventricular mass index and coronary artery disease in hypertensive black males.

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Department of Medicine, Howard University Hospital, Washington, DC 20060.


Thallium-201 stress scintigraphy (TSS) and echocardiography were performed on 60 consecutive black male hypertensives and compared to 60 sex-, race-, and age-matched controls. We found a higher prevalence of left ventricular hypertrophy with repolarization abnormality in the hypertensive group; 32 of 60 (53%), compared to 10 of 60 (17%) of the controls, P < .05. Echocardiographically determined left ventricular mass index revealed a significantly higher mean value in the hypertensive group of 147 +/- 57 compared to 124 +/- 34 in the control group, P < .001. Thirty-one of 60 (52%) of the hypertensive group had a normal TSS compared to 22 of 60 (37%) of the controls. A total of 68 (38 fixed and 30 reversible) perfusion defects were noted in the hypertensive group compared to 74 (55 fixed and 19 reversible) in the controls. The severity of clinical syndromes associated with myocardial ischemia were noted in increased incidence in the presence of left ventricular hypertrophy and left ventricular mass index was noted to be predictive of severity of coronary disease independent of the standard risk factors.

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