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Multicenter Study
. 2006 Aug 28;111(3):352-7.
doi: 10.1016/j.ijcard.2005.07.039. Epub 2005 Oct 18.

The Prognostic Value of Post-Exercise Blood Pressure Reduction in Patients With Hypertensive Response During Exercise Stress Test

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Multicenter Study

The Prognostic Value of Post-Exercise Blood Pressure Reduction in Patients With Hypertensive Response During Exercise Stress Test

Chaim Yosefy et al. Int J Cardiol. .

Abstract

Background: Hypertensive response at peak-exercise and during the recovery phase of exercise stress test (ET) is associated with poor cardiovascular prognosis. We investigated whether decrease in blood pressure (BP) from peak to post-exercise would identify a subgroup at higher cardiovascular risk.

Methods: Eighty-six non-hypertensive patients (0-4 cardiovascular risk factors) with hypertensive reaction at peak-ET (systolic>180 mm Hg and/or diastolic>100 mm Hg) were divided based on BP 5 min after exercise termination into two groups: Normal response (NrmR) (<160/90 mm Hg), Hypertensive response (HypR) (>/=160/90 mm Hg). Five years later the prevalence of cardiovascular risk factors and cardiovascular morbidity and mortality was assessed for each group.

Results: Both groups had similar pre- and peak-exercise BP. However the HypR group had higher post-exercise BP (systolic: 163+/-13 vs. 125+/-14 mm Hg, respectively, p<0.01, and diastolic: 74+/-6 vs. 75+/-4 mm Hg, respectively, p<0.01), smaller decrease in BP after exercise (Delta systolic: 46.9+/-3.1 vs. 73.9+/-3.6 mm Hg, respectively, p<0.01, Delta diastolic: 12.4+/-1.5 vs. 26.5+/-2.2 mm Hg, respectively, p<0.01), and higher post- than pre-exercise BP (Delta systolic: 24.5+/-3.5 vs. -6+/-4.1 mm Hg, respectively, p<0.01, A diastolic: 19+/-2.1 vs. -13+/-2.3 mm Hg, respectively, p<0.01). Five years later, HypR group had higher prevalence of abnormal cholesterol serum level (p<0.01), hypertension (p<0.01) and combined ischemic heart disease and cerebrovascular disease (RR 1.32, 95% CI=1.13-1.54, p<0.01).

Conclusion: During ET evaluation, it is important to evaluate the BP at 5 min after exercise because reduced BP drop, at this routinely measured point, identifies a subgroup with higher cardiovascular risk.

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