Cardio-Ankle Vascular Index (CAVI) as an Indicator of Coronary Events: A 5-Year Prospective Study

2016 Fiscal Year Final Research Report

• Project/Area Number: 26460781
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Epidemiology and preventive medicine
• Research Institution: Toho University
• Principal Investigator: SAIKI Atsuhito 東邦大学, 医学部, 准教授 (70338854)
• Project Period (FY): 2014-04-01 – 2017-03-31
• Keywords: 血管機能検査 / 社会医学 / CAVI / 冠動脈イベント / 動脈硬化

Outline of Final Research Achievements

We investigated whether CAVI, an arterial stiffness marker, independently predicts future cardiovascular events in subjects with metabolic disorders. 1003 subjects with metabolic disorders were followed prospectively. During the observation period (6.7±1.6 years), 90 subjects had new-onset myocardial infarction or angina pectoris confirmed by angiography. All subjects were stratified into quartiles by baseline CAVI (Q1: CAVI -8.27, Q2: CAVI 8.28-9.19, Q3: CAVI 9.20-10.08, Q4: CAVI 10.09-). Age, male ratio and future cardiovascular events increased as CAVI quartile became higher. In Cox proportional hazards regression analysis, the factors independently associated with higher risk of future cardiovascular events were every 1.0 increment of CAVI, male gender, smoking, diabetes mellitus, and hypertension. In individuals with metabolic disorders, CAVI was a predictor of future cardiovascular events, independent of traditional coronary risk factors.

Free Research Field

内科（内分泌代謝）