Why the study?
What angiographic and procedural characteristics are associated with procedural failure in CTO-PCI?
Population
Patients undergoing chronic total occlusion percutaneous coronary intervention in a multicenter US registry
Comparison
Failed CTO-PCI cases vs Successful CTO-PCI cases
Design
Cohort
Authors
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Anatomic predictors may guide case selection in CTO-PCI; leaves open whether novel techniques improve outcomes in high-risk lesions.
What angiographic and procedural characteristics are associated with procedural failure in CTO-PCI?
Procedural failure in CTO-PCI is driven by complex anatomic factors such as high J-CTO scores, long occlusions, ambiguous caps, and lack of retrograde collaterals, highlighting the need for novel crossing techniques.
Sapontis et al. (2015) studied this question.
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