Assessment of endothelial function by non-invasive peripheral arterial tonometry predicts late cardiovascular adverse events.

Abstract:

AIMS:There is growing need for the identification of novel non-invasive methodologies for the identification of individuals at risk for adverse cardiovascular (CV) events. We examined whether endothelial dysfunction, as detected by non-invasive peripheral arterial tonometry (EndoPAT), can predict late CV events. METHODS AND RESULTS:Reactive hyperaemia (RH) was induced following upper arm occlusion of systolic blood pressure in 270 outpatients (54 +/- 12 years, 48% female). The natural logarithmic scaled RH index (L_RHI) was calculated from the ratio between the digital pulse volume during RH and at baseline. The patients were followed for CV adverse events (AE: cardiac death, myocardial infarction, revascularization or cardiac hospitalization) during a 7-year follow-up (inter-quartile range = 4.4-8). Cox models were used to estimate the association of EndoPAT results with AE adjusted for age. During the follow-up, AE occurred in 86 patients (31%). Seven-year AE rate was 48% in patients with L_RHI < 0.4 vs. 28% in those with L_RHI >or= 0.4 (P = 0.03). Additional univariate predictors of AE were advancing age (P = 0.02) and prior coronary bypass surgery (P = 0.01). The traditional Framingham risk score was not higher in patients with AE. Multivariate analysis identified L_RHI < 0.4 as an independent predictor of AE (P = 0.03). CONCLUSION:A low RH signal detected by EndoPAT, consistent with endothelial dysfunction, was associated with higher AE rate during follow-up. L_RHI was an independent predictor of AE. Non-invasive assessment of peripheral vascular function may be useful for the identification of patients at risk for cardiac AEs.

journal_name

Eur Heart J

journal_title

European heart journal

authors

Rubinshtein R,Kuvin JT,Soffler M,Lennon RJ,Lavi S,Nelson RE,Pumper GM,Lerman LO,Lerman A

doi

10.1093/eurheartj/ehq010

subject

Has Abstract

pub_date

2010-05-01 00:00:00

pages

1142-8

issue

9

eissn

0195-668X

issn

1522-9645

pii

ehq010

journal_volume

31

pub_type

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    pub_type: 杂志文章

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    journal_title:European heart journal

    pub_type: 杂志文章

    doi:10.1093/oxfordjournals.eurheartj.a015345

    authors: Furukawa T,Haque T,Takahashi M,Kinoshita M

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