ArticleJournal of the American Heart Association2026
Aorto-Ostial Right Coronary Artery Chronic Total Occlusion Percutaneous Coronary Intervention: Technical Outcomes and Predictors of Failure From the ERCTO Registry.
Article in Journal of the American Heart Association, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
22 authors.
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Abstract
backgroundAorto-ostial chronic total occlusions (CTOs) of the right coronary artery (RCA) represent a particularly complex subset of CTO percutaneous coronary interventions (PCI), yet dedicated data remain limited. We aimed to evaluate technical outcomes of aorto-ostial versus non-aorto-ostial RCA CTO PCI and to identify predictors of failure in RCA aorto-ostial lesions.
methodsPatients undergoing RCA CTO PCI between 2016 and 2024 and enrolled in the ERCTO (European Registry of Chronic Total Occlusion) registry were included in the present analysis. The primary end point was technical success. Multivariable logistic regression was used to identify independent predictors of technical failure.
resultsA total of 26 374 patients undergoing RCA CTO PCI were included in the analysis, of whom 2850 had aorto-ostial and 23 524 non-aorto-ostial lesions. Technical success was lower in aorto-ostial compared with non-aorto-ostial lesions (79.6% versus 89.7%;
conclusionsAorto-ostial RCA CTO PCI has a significantly lower technical success despite extensive use of advanced techniques. Technical failure is driven primarily by lesion-specific anatomical features, underscoring the need for dedicated strategies and refined risk stratification tailored to aorto-ostial anatomy.
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