ArticleAnnals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia2024
Comparative Analysis of Metabolomic Responses in On-Pump and Off-Pump Coronary Artery Bypass Grafting.
Article in Annals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia, 2024. 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
purposeAlthough the clinical outcomes of on-pump (ONCAB) and off-pump CABG (OPCAB) are well established, their metabolomic impacts remain underexplored. This study aims to compare the metabolic profiles of ONCAB and OPCAB to identify differential metabolites associated with clinical outcomes.
methodsIn a prospective cohort study conducted between January 2023 and September 2023, 100 plasma samples from 20 patients undergoing isolated elective CABG (10 per group) were analyzed. Samples were collected preoperatively and at multiple postoperative time points (Days 0-3) and processed using proton nuclear magnetic resonance (
resultsNo significant differences were found in clinical outcomes, although ONCAB showed higher postoperative CKMB levels. Both procedures induced metabolomic alterations, with ONCAB demonstrating a more substantial impact, particularly on Day 0. Key metabolites, including leucine, succinate, creatine, glucose, and adenine, affected starch and sucrose metabolism.
conclusionONCAB induces more pronounced metabolic shifts immediately postsurgery, involving protein and energy turnover, oxidative stress, and disrupted glucose metabolism, indicative of cellular stress responses. A comprehensive understanding of these metabolic changes is critical for informing targeted interventions and supports the use of OPCAB as a preferred strategy for patients with elevated metabolic risks.
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