Ultrasonic Cardiogram Evaluate the Prognosis of Percutaneous Revascularization of Chronic Total Occlusions

Coronary Chronic Total Occlusion

ultrasonic, chronic total occlusion, heart function

Chronic total occlusions (CTO) are encountered in almost one-fourth of patients undergoing coronary angiography. The presence of an untreated CTO has been related to adverse clinical prognosis, both in stable angina and acute myocardial infarction, and is often associated with persistent symptomatic angina. Depending on their symptomatic and functional status as well as anatomical complexity, CTO can be treated by optimal medical therapy only or therapy combined with coronary revascularization. This study designed to evaluate the safety and efficacy of coronary chronic total occlusion PCI by ultrasonic cardiogram.

UCEPPCIOCT maintains a prospective clinical registry of all individual who undergo cardiac angiography,PCI or optimistic medicine treatment. 1\. research objective to observe the changes of cardiac function postoperative PCI in patients with CTO and the incidence of major adverse cardiovascular events, and provide the reality basis for PCI strategy in clinical patients with CTO . 2. research content: follow up the patients with CTO by using echocardiography in preoperative and postoperative PCI in 1m, 3ms, 6ms, 12ms to assess the changes of cardiac structure and cardiac function. 2, comparison the 'incidence of major adverse cardiovascular events undergo PCI treatment in success and failure group in patients with CTO (such as severe angina attack, severe acute coronary syndrome, severe heart failure should be rehospitalized , fatal arrhythmia and sudden cardiac death, etc.)

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