Comparative Outcomes of Stress Echocardiography and CT Coronary Angiography in the Assessment of Suspected Coronary Artery Disease: A Pilot Study.

IF 2.2 3区 医学 Q2 PERIPHERAL VASCULAR DISEASE
Ayesha Ashfaq, Harmeet Chana, Abdul-Majeed Salmasi
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Abstract

Stress echocardiography (SE) detects myocardial ischemia while coronary computed tomography angiography (CCTA) detects structural abnormalities associated with coronary artery disease (CAD). A pilot retrospective study of 270 consecutive patients who underwent both SE and CCTA to explore which test is more accurate in patients with CAD. Health records and risk factors, SE, and CCTA outcomes were reviewed. SE outcomes were positive (n = 36) and negative (n = 234); CCTA outcomes were based on CAD severity (absent, mild, moderate, and severe). 219 (81.1%) patients had a positive CCTA, indicating the presence of CAD with mild, moderate, or severe stenosis. Despite a positive CCTA (n = 191), 70.7% had a negative SE. This discrepancy was most prevalent in the moderate CCTA category, where 110 patients had a negative SE but positive CCTA. Additionally, 9 patients demonstrated a positive SE despite no significant CCTA findings, indicating that functional abnormalities could have remained undetected by anatomical imaging. It is suggested that significant CAD detected by CCTA does not necessarily suggest myocardial ischemia, while the presence of myocardial ischemia is not necessarily associated with significant CAD, suggesting other causes (e.g., microvascular angina). A positive CCTA but negative SE findings may suggest the presence of coronary collaterals.

应激超声心动图和CT冠状动脉造影在评估疑似冠状动脉疾病中的比较结果:一项初步研究。
应激超声心动图(SE)检测心肌缺血,冠状动脉计算机断层扫描血管造影(CCTA)检测与冠状动脉疾病(CAD)相关的结构异常。一项对270例连续接受SE和CCTA的患者进行的回顾性试验研究,以探索哪种检测对CAD患者更准确。回顾了健康记录和风险因素、SE和CCTA结果。SE结果为阳性(n = 36)和阴性(n = 234);CCTA结果基于CAD严重程度(无、轻度、中度和重度)。219例(81.1%)患者CCTA阳性,提示存在CAD伴轻度、中度或重度狭窄。尽管CCTA阳性(n = 191),但70.7%的患者SE为阴性。这种差异在中度CCTA类别中最为普遍,其中110例患者SE阴性但CCTA阳性。此外,9例患者显示SE阳性,尽管没有明显的CCTA发现,表明功能异常可能仍未被解剖成像发现。提示CCTA检测到明显的CAD并不一定提示心肌缺血,而心肌缺血的存在并不一定与明显的CAD相关,提示其他原因(如微血管心绞痛)。CCTA阳性但SE阴性可能提示冠状动脉侧枝的存在。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Angiology
Angiology 医学-外周血管病
CiteScore
5.50
自引率
14.30%
发文量
180
审稿时长
6-12 weeks
期刊介绍: A presentation of original, peer-reviewed original articles, review and case reports relative to all phases of all vascular diseases, Angiology (ANG) offers more than a typical cardiology journal. With approximately 1000 pages per year covering diagnostic methods, therapeutic approaches, and clinical and laboratory research, ANG is among the most informative publications in the field of peripheral vascular and cardiovascular diseases. This journal is a member of the Committee on Publication Ethics (COPE). Average time from submission to first decision: 13 days
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