Related risk factors of PET/CT detected coronary microvascular disease in patients with chest pain and no obstructive coronary artery disease

Zhonghua xin xue guan bing za zhi
Y D WangJ Zhang

Abstract

Objective: To explore the related factors of the coronary microvascular disease (CMD) diagnosed with positron emission tomography(PET)/CT in patients with chest pain and without obstructive coronary artery disease (NOCA). Methods: This study was a single-center retrospective cross-sectional study. Consecutive patients with chest pain and NOCA on coronary angiography, who underwent PET/CT quantitative myocardial blood flow measurements at TEDA International Cardiovascular Hospital from August 2018 to January 2019, were enrolled for this study. The diagnostic criteria for NOCA was the absence of coronary artery diameter stenosis ≥50% on coronary angiography. Clinical data, global left ventricular myocardial blood flow on stress and rest, and the coronary flow reserve (CFR) were analyzed. Patients were divided into two groups according to CFR. Patients with CFR<2 were defined as CMD group, and the rest were classified as control group. Pearson correlation analysis and Logistics regression analysis were used for exploring the risk factors of the CMD. Results: A total of 66 patients, with an mean age of (56.7±9.6) years, were included in the study, including 41 females (62%). There were 20 patients with CMD (30%). Body mass index (B...Continue Reading

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