ArticleGlobal heart2026
Mortality Outcome Post-MI after PCI and CABG Interventions.
Article in Global heart, 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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3 authors.
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Abstract
Background and Aim: Worldwide, heart-related conditions, including myocardial infarction (MI), persist as the leading cause of morbidity and mortality. The aim is to compare three-year mortality outcomes and identify causes of death among post-MI patients who received either percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG). Methods: This registry-based retrospective cohort with follow-up study analyzed data from 3,542 PCI and 3,244 CABG patients treated post-MI between 2020 and 2024 in two hospitals in Baghdad. Kaplan-Meier curves (log-rank test) were used for unadjusted comparison. Cox proportional hazards regression was employed to compare three-year all-cause mortality, adjusting for baseline demographic and clinical covariates. Results: Baseline characteristics differed significantly, with CABG patients being older and having a higher prevalence of certain risk factors. Crude observed mortality during available follow-up was 7.99% for PCI and 11.19% for CABG; Kaplan-Meier analysis showed significantly different unadjusted survival distributions by log-rank test. However, after adjusting for baseline covariates, there was no significant difference in the hazard of three-year all-cause mortality between patients undergoing CABG and PCI (adjusted hazard ratio [aHR] = 1.12, 95% CI = 0.93-1.35, p = 0.280). Significant independent predictors of mortality included age (aHR = 1.04 per year), diabetes mellitus (aHR = 1.45), and renal complications (aHR = 1.70). Non-cardiovascular causes accounted for the majority of deaths in both groups (56.06% post-PCI, 50.11% post-CABG). Conclusion: In this observational cohort, adjusted three-year mortality was not significantly different between PCI and CABG, with non-cardiac causes accounting for the largest proportion of deaths. Due to potential confounding by indication, these findings represent observational associations rather than clinical equivalence. Both remain vital revascularization strategies, with selection guided by individualized heart-team assessment.
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