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Anatol J Cardiol. 2018 Mar;19(3):177-183. doi: 10.14744/AnatolJCardiol.2018.47568.

Serial assessment of endothelial vasomotor function using optimal medical therapy predicts clinical outcomes in patients after complete coronary revascularization.

Author information

1
Department of Cardiovascular Medicine, Toho University, Ohashi Medical Center; Tokyo-Japan. masahidetokue@gmail.com.

Abstract

OBJECTIVE:

Previous studies have demonstrated the importance of intensive optimal medical therapy (OMT) in patients with coronary artery disease (CAD). To investigate our hypothesis that patients with and without OMT achievement differed with respect to the risk of future cardiac events, we investigated the endothelial function in patients with CAD who underwent percutaneous coronary intervention (PCI) and contemporary medical therapy.

METHODS:

We conducted a prospective longitudinal cohort study to evaluate the endothelial function in 96 consecutive patients at 12 h after admission and 3 months at <12 h after admission and at 3 months after discharge by measuring the brachial artery dilatation after 5 min of forearm ischemia flow-mediated dilation (FMD). OMT achievement was defined as systolic blood pressure of ≤130 mm Hg, low-density lipoprotein cholesterol of ≤100 mg/dl, and hemoglobin A1c level of ≤7.0%. The primary endpoint was the incidence of composite major adverse cardiac or cerebrovascular events (MACCE) at 36 months.

RESULTS:

Forty-nine (51%) patients achieved all three risk factor targets at 3 months. Although baseline FMD values did not differ between the OMT achievement and non-achievement groups, the 3-month FMD significantly improved in the OMT achievement group (6.6±3.5 vs. 5.2±2.9, p=0.03). Patients with improved FMD at 3 months had a lower rate of 36-month MACCE than those with persistently impaired FMD. A multiple Cox hazards analysis showed that OMT was a protective predictor of MACCE (hazard ratio, 0.19; 95% confidence interval, 0.04-0.88, p=0.03).

CONCLUSION:

This study demonstrated a significant association between the serial measurement of endothelial function with OMT and the clinical outcome in patients after PCI.

[Indexed for MEDLINE]
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