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Transl Res ; 256: 30-40, 2023 06.
Artigo em Inglês | MEDLINE | ID: mdl-36638862

RESUMO

Postoperative atrial fibrillation (POAF) is a common complication of coronary artery bypass grafting (CABG) procedures. However, the molecular mechanism of POAF remains poorly understood, hence the absence of effective prevention strategies. Here we used targeted metabolomics on pericardial fluid and serum samples from CABG patients to investigate POAF-associated metabolic alterations and related risk prediction of new-onset AF. Nine differential metabolites in various metabolic pathways were found in both pericardial fluid and serum samples from patients with POAF and without POAF. By using machine learning algorithms and regression models, a 4-metabolite (aceglutamide, ornithine, methionine, and arginine) risk prediction model was constructed and showed accurate performance in predicting POAF in both discovery and validation sets. This work extends the metabolic insights of the cardiac microenvironment and blood in patients with POAF and paves the way for the use of targeted metabolomics for predicting POAF in patients with CABG surgery.


Assuntos
Fibrilação Atrial , Humanos , Fibrilação Atrial/etiologia , Líquido Pericárdico , Fatores de Risco , Ponte de Artéria Coronária/efeitos adversos , Coração , Complicações Pós-Operatórias/etiologia , Estudos Retrospectivos
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