Relation of plasma glucose and endothelial function in a population-based multiethnic sample of subjects without diabetes mellitus

Carlos J. Rodriguez, Yumiko Miyake, Cairistine Grahame-Clarke, Marco R. Di Tullio, Robert R. Sciacca, Bernadette Boden-Albala, Ralph L. Sacco, Shunichi Homma

Research output: Contribution to journalArticle

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Abstract

To determine whether endothelial dysfunction precedes the clinical diagnosis of diabetes mellitus, we investigated the relation of endothelial flow-mediated dilation (FMD) with fasting plasma glucose among a multiethnic population-based cohort of 579 nondiabetic subjects without previous myocardial infarction or stroke enrolled in the Northern Manhattan Study (age 66 ± 9 years; 41% men, 16% white, 15% black, and 68% Hispanic). Impaired fasting glucose or prediabetic status, defined as a fasting glucose level of 100 to 125 mg/dl, was present in 95 subjects (16%). Endothelial function was determined using FMD during reactive hyperemia. Multiple linear regression analyses were used to assess the relation between plasma glucose and endothelial function after adjustment for potential confounders. FMD was significantly lower (4.9 ± 3.8% vs 6.1 ± 3.7%, p = 0.003) in those with impaired fasting glucose than in subjects with normal fasting glucose. Prediabetic status was significantly associated with impaired FMD (odds ratio 1.9, 95% confidence interval 1.1 to 3.1, p = 0.02). After adjustment for age, gender, body mass index, and hypertensive status, a higher fasting glucose was significantly associated with a lower FMD (β = -0.024 ± 0.012, p = 0.04) in a continuous linear relation. Thus, for each 10-mg/dl increase in plasma glucose, a 0.24% decrease occurred in FMD. Impaired FMD was present among prediabetics. An elevated fasting plasma glucose level is associated with impaired endothelial function among nondiabetics. These results further support the role of hyperglycemia in the pathogenesis of vascular dysfunction at different stages of diabetes development and the role of impaired fasting glucose as a risk factor for macrovascular disease.

Original languageEnglish (US)
Pages (from-to)1273-1277
Number of pages5
JournalAmerican Journal of Cardiology
Volume96
Issue number9
DOIs
StatePublished - Nov 1 2005
Externally publishedYes

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Diabetes Mellitus
Fasting
Glucose
Dilatation
Population
Hyperemia
Hispanic Americans
Hyperglycemia
Blood Vessels
Linear Models
Body Mass Index
Stroke
Odds Ratio
Myocardial Infarction
Regression Analysis
Confidence Intervals

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Relation of plasma glucose and endothelial function in a population-based multiethnic sample of subjects without diabetes mellitus. / Rodriguez, Carlos J.; Miyake, Yumiko; Grahame-Clarke, Cairistine; Di Tullio, Marco R.; Sciacca, Robert R.; Boden-Albala, Bernadette; Sacco, Ralph L.; Homma, Shunichi.

In: American Journal of Cardiology, Vol. 96, No. 9, 01.11.2005, p. 1273-1277.

Research output: Contribution to journalArticle

Rodriguez, Carlos J. ; Miyake, Yumiko ; Grahame-Clarke, Cairistine ; Di Tullio, Marco R. ; Sciacca, Robert R. ; Boden-Albala, Bernadette ; Sacco, Ralph L. ; Homma, Shunichi. / Relation of plasma glucose and endothelial function in a population-based multiethnic sample of subjects without diabetes mellitus. In: American Journal of Cardiology. 2005 ; Vol. 96, No. 9. pp. 1273-1277.
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