Etiology of Coronary Reintervention After Coronary Artery Bypass Surgery

(1) Background: Coronary artery bypass grafting (CABG) reduces the risk of target vessel revascularization compared to percutaneous coronary intervention (PCI), yet coronary reintervention may still occur. This study aims to evaluate the incidence and underlying etiology of reintervention after CABG. (2) Methods: A single-center retrospective cohort study of all patients undergoing isolated CABG (January 2016–December 2021) was performed. Surgical or percutaneous reinterventions were analyzed until December 2022 using institutional data linked to the Netherlands Heart Registration (NHR) and chart review. (3) Results: Amongst 4814 patients, 8.7% (n = 418) underwent coronary reintervention during a median 4.5 [3.8–4.8] year follow-up. Causes of reintervention included graft failure (64.6%), progression of coronary artery disease (20.3%), incomplete revascularization (10.5%), or combined factors (4.1%). Mortality did not differ significantly between reintervention and non-reintervention groups (10.8% vs. 7.9%, p = 0.095). Multivariable analysis identified diabetes (HR 1.02, 95% CI 1.00–1.04, p = 0.011), single arterial graft (HR 2.26, 95% CI 1.31–3.91, p = 0.003), and ventilation > 24 h (HR 4.61, 95% CI 1.85–11.51, p = 0.001) as independent risk factors for coronary reintervention. (4) Conclusions: After CABG, 8.7% of patients underwent coronary reintervention at mid-term follow-up. Graft failure was the predominant etiology, followed by coronary artery disease progression. Overall survival did not differ between patients with or without reintervention.

• Publication year

  2025

• Venue

  Journal of Cardiovascular Development and Disease

• Publication date

  2025-12-31

• Fields of study

  Medicine

• Identifiers
  DOI 10.3390/jcdd13010020PMID 41590847PMCID 12842345
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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