alexa Invasive Aortic Augmentation Index Could Predict the Adverse Events in Patients without Established Coronary Heart Disease
ISSN: 2329-9495

Angiology: Open Access
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Research Article

Invasive Aortic Augmentation Index Could Predict the Adverse Events in Patients without Established Coronary Heart Disease

Tao Sun*, Yu Tong Cheng, Su Wang, Ying Tao, Zhan Yong Zhao, Cheng Qian Yin, Dong Hua Zhang, Ji Huang, Zhao Li, Jing Mei Zhang and Zhi Zhong Li

Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China

*Corresponding Author:
Tao Sun
Beijing Anzhen Hospital
Capital Medical University
Beijing 100029, China
Tel: 010-64412431
E-mail: [email protected]

Received date: February 18, 2016; Accepted date: March 16, 2016; Published date: March 18, 2016

Citation: Sun T, Cheng YT, Wang S, Tao Y, Zhao ZY, et al. (2016) Invasive Aortic Augmentation Index Could Predict the Adverse Events in Patients without Established Coronary Heart Disease . Angiol 4:173. doi:10.4172/2329-9495.1000173

Copyright: © 2016 Sun T, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Background: Previous studies had shown that an association between the arterial stiffness and cardiovascular events. Due to the invasive nature, fewer studies focus on invasive arterial stiffness in predicting adverse outcome. We examined the invasive predictive roles of pulsatile variables in patients without established coronary heart disease. Method: Ascending aortic and radial artery waveforms were obtained during the angiography in 325 without severe coronary stenosis (<50%) from January, 2012 to October 2013 in An Zhen Hospital. These patients were followed for the cardiovascular adverse events during a median 2 years (inter-quartile range=0.6-3.2). Results: During the followup, adverse events occurred in 36 (11%), after the adjustment of confounders, aortic augmentation index @75 remain the independent risks in predicting the clinical events. In Kaplan-Meier curve analysis, a 2 year cardiovascular event rate was 14% in patients with central aortic augmentation index @75≥0.15 vs. 4% in those with central aortic augmentation index @75<0.15 (Log Rank=0.045). The aortic augmentation index @75 (AUC 0.75) demonstrated a significant better predictive power compared with radial [email protected] (AUC 0.54, P=0.01) and radial PP (AUC 0.52, P=0.006) but not for aortic PP (AUC 0.68, P=0.16). Conclusion: Arterial stiffness assessed by the invasive catheter is associated with increasing risk for the adverse events. The central pulsatile parameter appeared to be a more efficient predictor than the peripheral arterial stiffness in patients without known artery heart disease.


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