Off-pump bilateral internal thoracic artery grafting in patients with left main coronary artery disease.

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  • Additional Information
    • Source:
      Publisher: BioMed Central Country of Publication: England NLM ID: 101265113 Publication Model: Electronic Cited Medium: Internet ISSN: 1749-8090 (Electronic) Linking ISSN: 17498090 NLM ISO Abbreviation: J Cardiothorac Surg Subsets: MEDLINE
    • Publication Information:
      Original Publication: [London] : BioMed Central, 2006-
    • Subject Terms:
    • Abstract:
      Background: To compare postoperative outcomes in patients with left main coronary artery disease who underwent off-pump isolated coronary artery bypass grafting for multivessel disease using either skeletonized bilateral or single internal thoracic artery (ITA).
      Methods: Among 1583 patients who underwent isolated coronary artery bypass grafting (CABG) in our hospital between 2002 and 2022, 604 patients with left main coronary artery disease underwent single (n = 169) or bilateral (n = 435) ITA grafting. We compared postoperative outcomes between the two groups after adjusting preoperative characteristics using inverse probability of treatment weighting.
      Results: After adjustment using inverse probability of treatment weighting method, the sum of weights was 599.74 in BITA group and 621.64 in SITA group. There was no significant difference in postoperative deep sternal wound infection (p = 0.227) and 30-day mortality (p = 0.612). Follow-up was completed in 98.7% (596/604) of the patients, and the mean follow-up duration was 6.7 years. At 10 years, the overall survival following bilateral versus single ITA grafting was 71.2% and 60.6%, respectively (log-rank test, p = 0.040), and freedom from major adverse cardiac and cerebrovascular events (MACCE) was 63.3% and 46.3%, respectively (log-rank test, p = 0.008). In multivariate Cox proportional hazard models, bilateral ITA grafting was significantly associated with a lower risk of all-cause death (hazard ratio [HR]: 0.706, 95% confidence interval [CI]: 0.504-0.987; p = 0.042) and MACCE (HR: 0.671, 95% CI: 0.499-0.902; p = 0.008).
      Conclusions: Bilateral skeletonized ITA grafting is associated with lower rates of all-cause death and MACCE than single ITA grafting in patients with left main coronary artery disease undergoing off-pump CABG.
      (© 2024. The Author(s).)
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    • Contributed Indexing:
      Keywords: Bilateral internal thoracic artery; Coronary artery bypass grafting; Left main coronary artery disease
    • Publication Date:
      Date Created: 20240209 Date Completed: 20240214 Latest Revision: 20240214
    • Publication Date:
      20240214
    • Accession Number:
      PMC10858637
    • Accession Number:
      10.1186/s13019-024-02582-5
    • Accession Number:
      38336822