Abstract
ABSTRACT Background Chronic total occlusion is the subtype of lesions with the lowest procedural success rates, as well as the most common cause of incomplete revascularization and coronary artery bypass grafting. Their recanalization requires advanced techniques, dedicated materials, skilled operators and, usually, double arterial access, which makes the procedure more complex, increasing the chance of complications. Our goal is to characterize the most frequent complications in percutaneous treatment of chronic total occlusions in contemporary practice. Methods We searched the PubMed/MEDLINE [...]
Highlights
Percutaneous coronary intervention (PCI) in chronic total occlusions (CTO) has evolved rapidly in recent years
Background: Chronic total occlusion is the subtype of lesions with the lowest procedural success rates, as well as the most common cause of incomplete revascularization and coronary artery bypass grafting
Significant advances in PCI devices and recanalization techniques, as well as the experience acquired by operators have enabled the current dissemination of percutaneous management of CTO.[3]
Summary
Percutaneous coronary intervention (PCI) in chronic total occlusions (CTO) has evolved rapidly in recent years. With improved devices and techniques, high success. CTO are diagnosed in approximately 20% of patients with coronary artery disease (CAD) and have a detrimental effect on patients’ quality of life and longterm prognosis.[2]. Significant advances in PCI devices and recanalization techniques, as well as the experience acquired by operators have enabled the current dissemination of percutaneous management of CTO.[3]. 60% of patients with CTO have no prior history of MI. This may be due to recruitment of collateral vessels, to compensate for the gradual progression to a totally occluded artery, limiting myocardial damage and leading to mild or even inexistent clinical symptoms
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