Cited by 82Cardiovascular Health and Disease PreventionBlood Pressure and Hypertension StudiesCardiovascular and exercise physiology

Patients with type 2 diabetes have exaggerated brachial and central exercise blood pressure: Relation to left ventricular relative wall thickness

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Scott, J. A., Coombes, J. S., Prins, J. B., Leano, R. L., Marwick, T. H., Sharman, J. E.·2008·American Journal of Hypertension

Abstract

BACKGROUND: A hypertensive response to exercise has prognostic significance. Patients with type 2 diabetes have vascular abnormalities which may predispose to exaggerated brachial and central blood pressure (BP) during exercise. This study aimed to test this hypothesis and to determine the clinical significance of high exercise BP by examining its relation to left ventricular (LV) mass. METHODS: Brachial and central BP were recorded at rest and in response to maximal exercise in 73 diabetic patients (aged 54 +/- 10 years) and 73 controls (aged 53 +/- 12 years). Brachial BP was recorded using mercury sphygmomanometry and LV mass using 2D-echocardiography. Central BP was estimated by radial tonometry using an exercise-validated generalized transfer function. RESULTS: At rest there were no significant (P > 0.05) differences between groups in brachial or central BP. The diabetic patients had significantly increased exercise brachial systolic BP (SBP: 199 +/- 25 mm Hg vs. 185 +/- 21 mm Hg; P = 0.002) and central SBP (158 +/- 17 mm Hg vs. 149 +/- 15 mm Hg; P = 0.002). There was a significantly higher prevalence of an exaggerated exercise BP response (> or =210/105 mm Hg; men and > or =190/105 mm Hg; women) in the diabetic patients (51% vs. 22%; P < 0.01). Compared with those with normal exercise BP, LV relative wall thickness (RWT) was significantly higher (0.41 +/- 0.09 vs. 0.36 +/- 0.08; P < 0.05) and LV hypertrophy was more prevalent (35% vs. 16%; P < 0.05) in those with a hypertensive response. After accounting for other confounding variables, exercise central SBP remained independently associated with LV RWT (beta = 0.22; P = 0.006). CONCLUSION: Diabetic patients are more likely to exhibit exaggerated exercise BP. Regardless of disease status, high exercise central SBP may contribute to cardiovascular risk via adverse cardiac remodeling.

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Crossref · 10.1038/ajh.2008.166

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Authors
Scott, J. A., Coombes, J. S., Prins, J. B., Leano, R. L., Marwick, T. H., & Sharman, J. E.
Affiliations
The University of Queensland (AU)
Corresponding author
Scott, J. A.
Venue
American Journal of Hypertension
Published
2008-06-01
Volume
21
Issue
6
Pages
715-721
ISSN
  • 0895-7061 (ISSN-L)
  • 1941-7225
OpenAlex
W2036198864
Cited by
82
References
42
Citations by year
2026: 5 · 2025: 4 · 2024: 4 · 2023: 4 · 2022: 5 · 2021: 8 · 2020: 2 · 2019: 6 · 2018: 2 · 2017: 3 · 2016: 6 · 2015: 7 · 2014: 6 · 2013: 5 · 2012: 5
FWCI
2.43
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • American Journal of Hypertension (publishedVersion)
  • PubMed (publishedVersion)
  • eCite Digital Repository (University of Tasmania) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Health and Disease Prevention
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Blood Pressure and Hypertension Studies
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
Keywords
type 2 diabetes, blood pressure response to exercise, central blood pressure, brachial blood pressure, left ventricular hypertrophy, cardiac remodeling, radial tonometry, generalized transfer function, cardiovascular risk
MeSH terms
Blood Pressure, Brachial Artery, Central Venous Pressure, Diabetes Mellitus, Type 2, Echocardiography, Physical Exertion, Female, Heart Ventricles, Humans, Male, Middle Aged, Ventricular Remodeling

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