Cited by 57Cardiovascular Health and Disease PreventionBlood Pressure and Hypertension StudiesNitric Oxide and Endothelin Effects

Non-dipping pattern relates to endothelial dysfunction in patients with uncontrolled resistant hypertension

Quinaglia, T, Martins, L C, Figueiredo, V N, Santos, R C, Yugar-Toledo, J C, Martin, J F Vilela, Demacq, C, Pimenta, E +2 more·2011·Journal of Human Hypertension

Abstract

Resistant hypertension (RHTN) includes both patients whose blood pressure (BP) is uncontrolled on three or more medications (uncontrolled RHTN (UCRH)) and patients whose BP is controlled with use of four or more drugs (controlled RHTN (CRH)). It is unknown whether endothelial function and nocturnal drop demonstrate a similar pattern in patients with CRH and UCRH. We examined circadian BP patterns and vascular function in these patients. In all, 40 CRH and 26 UCRH patients, and 25 normotensives underwent biochemical testing, ambulatory BP monitoring, determination of brachial artery responses to endothelial-dependent (flow-mediated; dilation (FMD)) and independent (nitroglycerin mediated) stimuli. The nighttime drop in systolic BP (SBP) and diastolic BP (DBP) was less pronounced in UCRH than in CRH (SBP, 1.9±1.6 versus 4.9±1.7%; DBP, 7.5±1.8 versus 10.9±1.8%, UCRH and CRH, respectively; P<0.05). FMD was greater in control group compared with RHTN patients. Patients with UCRH had significantly impaired FMD compared with CRH (5.9±2.3% versus 7.1±5.1%; P<0.0001). Therefore, UCRH patients have less nocturnal dipping and a more impaired endothelial response compared with CRH patients. These findings suggest that important differences among patients with RHTN may allow identify subgroups with increased cardiovascular risk.

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Crossref · 10.1038/jhh.2011.43

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  • Physiological aberrations in resistant hypertension include vascular disease/dysfunction as evidenced by high rates of peripheral and carotid artery atherosclerosis, impaired endothelial function, reduced arterial compliance, and raised systemic vascular resistance, all of which may be more pronounced in resistant hypertension compared with non-resistant hypertension.

    “Physiological aberrations in RH include vascular disease/dysfunction as evidenced by high rates of peripheral39 and carotid artery atherosclerosis,42 impaired endothelial function,51,52 reduced arterial compliance, and raised systemic vascular resistance,40 all of which may be more pronounced in RH compared with non-RH.”
  • The attenuated nocturnal decline in blood pressure is even more pronounced in uncontrolled compared with controlled resistant hypertension.

    “The attenuated nocturnal decline in BP is even more pronounced in uncontrolled compared with controlled RH.52”

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Authors
Quinaglia, T., Martins, L. C., Figueiredo, V. N., Santos, R. C., Yugar-Toledo, J. C., Martin, J. F. V., Demacq, C., Pimenta, E., Calhoun, D. A., & Moreno, H.
Affiliations
  • Universidade Estadual de Campinas (UNICAMP) (BR)
  • The University of Queensland (AU)
  • University of Alabama at Birmingham (US)
Corresponding author
Moreno, H
Venue
Journal of Human Hypertension
Published
2011-05-05
Volume
25
Issue
11
Pages
656-664
ISSN
  • 0950-9240 (ISSN-L)
  • 1476-5527
OpenAlex
W1968519415
Cited by
57
References
47
Citations by year
2026: 2 · 2025: 3 · 2024: 2 · 2023: 3 · 2020: 9 · 2019: 2 · 2018: 4 · 2017: 1 · 2016: 5 · 2015: 5 · 2014: 4 · 2013: 10 · 2012: 5
FWCI
4.61
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Human Hypertension (publishedVersion)
  • PubMed (publishedVersion)
Funders
Fundação de Amparo à Pesquisa do Estado de São Paulo
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 › Physiology › Nitric Oxide and Endothelin Effects
Keywords
resistant hypertension, endothelial dysfunction, nocturnal blood pressure dipping, circadian blood pressure rhythm, flow-mediated dilation, cardiovascular risk stratification
MeSH terms
Adult, Analysis of Variance, Antihypertensive Agents, Blood Pressure, Brachial Artery, Brazil, Cardiovascular Diseases, Circadian Rhythm, Drug Resistance, Drug Therapy, Combination, Endothelium, Vascular, Female, Nitroglycerin, Humans, Hypertension, Male, Middle Aged, Risk Factors, Ultrasonography, Vasodilation, Vasodilator Agents, Linear Models, Treatment Failure, Risk Assessment, Blood Pressure Monitoring, Ambulatory

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