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Patency and adverse outcomes of sequential vs. individual saphenous vein grafts in coronary artery bypass: A meta-analysis

期刊

出版社

FRONTIERS MEDIA SA
DOI: 10.3389/fcvm.2022.944717

关键词

coronary artery bypass graft; sequential; individual; graft failure; all-cause mortality; revascularization

资金

  1. Natural Fund Project of Tianjin Science and Technology Bureau [20JCZDJC00810]
  2. Scientific Research Project of Integrated Traditional Chinese and Western Medicine of Tianjin Health Commission [2021204]

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This study compared the outcomes of sequential and individual saphenous vein grafts in coronary artery bypass grafting. The results showed that sequential grafts had higher rates of graft failure and long-term mortality, but also an increased risk of perioperative repeat revascularization. Based on the study, the selection of surgical techniques should be based on patients and surgeons.
Objectives: To undertake a systematic review and meta-analysis of cohort studies to compare the patency and adverse outcomes of sequential and individual saphenous vein grafts (SVGs) in coronary artery bypass grafting (CABG). Methods: We searched PubMed, Embase, and the Cochrane Library for cohort studies. Endpoints for vein graft failure, perioperative and follow-up adverse events were extracted as risk ratio (RR) with 95% confidence intervals (95% CI). Statistical heterogeneity across the studies was examined using the I-2 statistic. Potential of publication bias was evaluated quantitatively by the Egger's test. Sensitivity analysis was also performed to assess the robustness of our outcomes. Results: The 15 studies were analyzed, including 22,004 patients, 4,580 grafts, and seven different adverse events under individual or sequential CABG. The sequential group had inferior graft failure (RR = 0.68; 95% CI, 0.60-0.77) and long-term mortality (RR = 0.76; 95%CI, 0.61-0.95), but with an increased risk of perioperative repeat revascularization (RR = 1.58; 95%CI, 1.16-2.14) than the individual group. Conclusion: Taken together, our analysis of the aggregated evidence comparing the sequential and individual saphenous vein grafts for coronary heart disease patients showed that the use of the sequential graft was associated with inferior graft failure and tong-term mortality respectively, but with an increased risk of perioperative repeat revascularization. According to our study, both surgical techniques have their own advantages in efficacy and safety, and the selection of surgical techniques should be based on patients and surgeons. Sequential saphenous vein grafts should be more recommended to experienced surgeons in order to both reduce perioperative adverse events and improve long-term patency.

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