ArticleThe Egyptian heart journal : (EHJ) : official bulletin of the Egyptian Society of Cardiology2026
Difference in outcomes between right and left posterior descending artery percutaneous coronary intervention: an Australian statewide registry analysis.
Article in The Egyptian heart journal : (EHJ) : official bulletin of the Egyptian Society of Cardiology, 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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Abstract
introductionPercutaneous coronary intervention (PCI) is an important treatment for coronary artery disease, and coronary dominance may influence procedural risk. PCI to a left-sided posterior descending artery (L-PDA) occurs in the setting of left-dominant coronary anatomy and may involve greater anatomical complexity and a larger myocardial territory at risk than PCI to a right-sided PDA (R-PDA). We performed a retrospective analysis of a statewide registry to compare the characteristics and outcomes of R-PDA and L-PDA PCI.
methodsThe Victorian Cardiac Outcomes Registry is a state-wide quality registry with all PCI capable centres in Victoria, Australia contributing. We undertook a retrospective analysis of patients undergoing PCI for L-PDA and R-PDA lesions between 2013 and 2022.
results2,880 patients were included over the 10-year study period, with 2,282 (79.2%) undergoing R-PDA PCI and 598 (20.8%) undergoing L-PDA PCI. Patient characteristics between groups were of similar age (66.3 years in both groups), gender (17.9% vs. 14.5%; p = 0.06) and had comparable rates of comorbidities including diabetes (25.8% vs. 24.9%; p = 0.66). There was no significant difference between groups with respect to 30-day mortality (1.1% vs. 0.5%; p = 0.21). 30-day MACE was also comparable (2.2% both groups; p = 0.93).
conclusionsData from a large contemporary cohort did not find any association between coronary dominance and clinical outcomes when undertaking PDA PCI.
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