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Medline ® Abstract for Reference 25

of 'Exercise in the treatment and prevention of hypertension'

Exercise blood pressure predicts cardiovascular mortality in middle-aged men.
Mundal R, Kjeldsen SE, Sandvik L, Erikssen G, Thaulow E, Erikssen J
Hypertension. 1994;24(1):56.
The outcome of 1999 apparently healthy men aged 40 to 59 years investigated from 1972 through 1975 was ascertained after 16 years to determine whether systolic blood pressure measured with subjects in the sitting position during a bicycle ergometer exercise test adds prognostic information on cardiovascular mortality beyond that of casual blood pressure measured after 5 minutes of supine rest. During a total follow-up of 31,984 patient years, 278 patients died, 150 from cardiovascular causes. Casual blood pressure and pulse pressure as well as peak exercise systolic blood pressure during 6 minutes on the starting workload of 600 kpm/min (approximately 100 W, 5880 J/min) were all related to cardiovascular mortality. The relative risk (RR) of dying from cardiovascular causes associated with an increment of 48.5 mmHg (= 2 SD) in systolic blood pressure at 600 kilopondmeter (kpm)/min was significant (RR = 1.5, 95% confidence interval [CI]= 1.1-2.3, P = .040) even when adjusting for a large number of variables measured in the present study, including age, exercise capacity, smoking habits, and casual blood pressures. The influence of blood pressure at 600 kpm/min was so strong that the predictive value of resting casual blood pressures became nonsignificant when these were analyzed as continuous variables also including exercise blood pressure as a covariate. However, the maximal systolic blood pressure during the exercise test was unrelated to cardiovascular mortality.(ABSTRACT TRUNCATED AT 250 WORDS)
Department of Internal Medicine, Central Hospital of Akershus, Nordbyhagen, Norway.