Exaggerated blood pressure response to exercise is associated with carotid atherosclerosis in apparently healthy men

Young Jae Sae, Bo Fernhall, Kevin S. Heffernan, Mira Kang, Moon Kyu Lee, Ho Choi Yoon, Pyo Hong Kyung, Soo Ahn Eui, Hah Park Won

Research output: Contribution to journalArticle

52 Scopus citations

Abstract

Objective: Although an exaggerated systolic blood pressure (SBP) response to exercise is a predictor of future hypertension and cardiovascular mortality, the underlying mechanisms are not fully understood. We tested the hypothesis that an exaggerated SBP response is associated with carotid atherosclerosis in a cross-sectional study of 9073 healthy men (aged 47.8 ± 8.8 years). Methods: Exaggerated SBP response was defined as an SBP of 210 mmHg or greater during a maximal treadmill test. Carotid atherosclerosis was defined as stenosis greater than 25% or intima-media thickness greater than 1.2 mm using B-mode ultrasonography. Results: An exaggerated SBP response was present in 375 men (4.1%). The proportion of individuals with carotid atherosclerosis in the group with an exaggerated SBP response to exercise was higher than in the group with a normal SBP response (14.4 versus 5.3%, P<0.001). In a multivariable logistic regression model, individuals with an exaggerated SBP (≥ 210 mmHg) response to exercise had a 2.02 times [95% confidence interval (CI) 1.33-3.05] increased risk of carotid atherosclerosis compared with individuals with an SBP response of less than 210 mmHg. The highest quartile (> 61 mmHg) group of relative exercise-induced increases in SBP showed a 1.57 (95% CI 1.18-2.08) greater risk of carotid atherosclerosis compared with individuals in the lowest quartile (< 38 mmHg) in the adjusted model. Conclusions: These results suggest that an exaggerated SBP response to exercise is strongly associated with carotid atherosclerosis, independent of established risk factors in healthy men. It may be an important factor in evaluating hypertension related to target-organ damage.

Original languageEnglish (US)
Pages (from-to)881-887
Number of pages7
JournalJournal of hypertension
Volume24
Issue number5
DOIs
StatePublished - May 1 2006
Externally publishedYes

Keywords

  • Atherosclerosis
  • Blood pressure
  • Carotid arteries
  • Exercise

ASJC Scopus subject areas

  • Internal Medicine
  • Physiology
  • Cardiology and Cardiovascular Medicine

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