在3大冠状动脉中首次尝试慢性全闭的新血管学困难评分
Takeshi Niizeki1, Etsuo Tsuchikane2, Tsuneo Konta3
1Department of Cardiology, Okitama Public General Hospital, Yamagata, Japan.
JACC. Cardiovascular interventions
|October 25, 2023
概括
经皮冠状动脉干预 (PCI) 不成功的慢性全封闭 (CTO) 的预测因素在主要冠状动脉中各不相同. 一个新的难度得分显示出有希望,与J-CTO得分相提并论,用于预测PCI失败.
科学领域:
- 心脏病学 心脏病学
- 干预心脏病学 干预心脏病学
- 血管生物学 血管生物学
背景情况:
- 慢性全封闭 (CTO) 透皮冠状动脉干预 (PCI) 由于复杂的病变形态,仍然具有挑战性.
- 对于CTO PCI的成功率在三个主要冠状动脉之间可能会有所不同,这取决于患者和病变的特征.
研究的目的:
- 为了比较未成功的首次尝试CTO PCI在左前下降,左环和右冠状动脉的预测因素.
- 为了评估新的难度得分与已建立的J-CTO得分来预测PCI失败.
主要方法:
- 来自日本CTO-PCI专家注册表 (2014-2021) 的6408名首次尝试CTO患者的分析.
- 患者被随机分配到导出和验证组.
- 基于不成功PCI的预测因素,开发动脉特异性难度评分.
主要成果:
- 左环冠状动脉的成功率最低 (90%),其次是右冠状动脉 (92%) 和左前下垂动脉 (94%).
- 右冠状动脉CTO病变更长,更角,并且更频繁地需要逆向方法.
- 多变量分析表明每个主要冠状动脉的PCI失败有不同的预测因素,而新的RCA CTO难度得分优于J-CTO得分.
结论:
- 临床和血管学变异导致主要冠状动脉中CTO PCI的成功率不同.
- 一个新的难度得分显示了与J-CTO得分相似的性能,具有更高的辨别能力来预测未成功的CTO PCI.
相关概念视频
Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT
19
Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
19
Acute Coronary Syndrome III: Diagnostic Studies
9
Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
9
Imaging Studies for Cardiovascular System V: CT
22
Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
22
Acute Coronary Syndrome I: Introduction
30
Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
30


