• Xiuchun Yang, Yijun Zong, Zhentian Zhang, Hongning Yin, Xuqian Zhang, Yajing Miao, and Bing Xiao.
• Department of Cardiology, the Second Hospital of Hebei Medical University, Shijiazhuang, China.
• Medicine (Baltimore). 2024 Jun 7; 103 (23): e38413e38413.

AbstractTo evaluate the cardiac index and major adverse cardiovascular events (MACE) events between isolated coronary artery ectasia (CAE) and control groups over 1 year period from diagnosis. A total of 18 patients who were diagnosed with isolated CAE in the Second Hospital of Hebei Medical University from December 2020 to December 2021 were included in CAE group. About 36 patients with non-obstructive coronary artery lesions were included in the control group. All patients in 2 groups completed dobutamine stress echocardiography (DSE) during hospitalization. The chamber size, wall thickness, left ventricular ejection fraction, and left ventricular diastolic function indicators (including E/A ratio, e', and E/e' ratio) were measured. MACE and all-cause death were measured during follow-up after discharge. Interventricular septum thickness (IVSd), left ventricular posterior wall (LVPW) thickness in diastole and E/e' in CAE group were significantly higher than control group (P < .05). No significant differences were found in prognosis including angina, myocardial ischemia (MI), patient readmission and cardiovascular death (P > .05). In CAE group, coronary angiography showed dilation of left anterior descending (LAD) in 1 case, left circumflex (LCX) in 3 cases and right coronary artery (RCA) in 14 cases. Multivariate logistic regression analysis showed that BMI and IVSd were independent risk factors for CAE. IVSd, LVPW thickness in diastole and E/e' in CAE group were significantly higher than control group. BMI and IVSd were independent risk factors for isolated CAE, and had a good predictive value for isolated CAE.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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