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(Hypertension. 1995;26:1121-1124.)
© 1995 American Heart Association, Inc.

Articles

Noninvasive Ambulatory 24-Hour Blood Pressure in Patients With High Normal Blood Pressure and Exaggerated Systolic Pressure Response to Exercise

Eliudem G. Lima; Nelson Spritzer; Fernando L. Herkenhoff; Ambrosina Bermudes; Elisardo C. Vasquez

From the Department of Physiological Sciences, Biomedical Center and Laboratory of Exercise Physiology, UFES, Vitoria, Brazil.

Correspondence to Dr Elisardo C. Vasquez, Departamento Ciencias Fisiologicas, CBM, UFES, Av Marechal Campos 1468, Vitoria, 29040-090 ES, Brazil.

Abstract Few studies have investigated the significance of abnormal increases in systolic pressure during exercise in patients with high normal blood pressure and its correlation with 24-hour ambulatory blood pressure monitoring and left ventricular structure. This study was performed in 30 sedentary subjects (42±4 years old) with high normal blood pressure. Fifteen subjects presenting <220 mm Hg systolic pressure during ergometric exercise were compared with 15 others with systolic pressure 220 mm Hg. Average 24-hour (systolic, 127±5 versus 142±4 mm Hg, P<.01; diastolic, 82±4 versus 92±3 mm Hg, P<.01), daytime (systolic, 130±6 versus 144±4 mm Hg, P<.01; diastolic, 84±4 versus 92±4 mm Hg, P<.01), and nighttime (systolic, 116±7 versus 132±6 mm Hg, P<.01; diastolic, 72±6 versus 85±6 mm Hg, P<.01) ambulatory blood pressure monitoring values were significantly higher in subjects with an exaggerated blood pressure response to exercise. No significant differences were observed in left ventricular morphology. These findings indicate that subjects presenting high normal blood pressure and exaggerated systolic pressure during exercise show significantly high ambulatory blood pressure monitoring values that are not associated with left ventricular hypertrophy.

Key Words: blood pressure, ambulatory • ergometry • exercise • echocardiography

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