Key result
Nutritional status, assessed by CONUT score and GNRI, independently predicted new-onset atrial fibrillation in AMI patients after PCI, with an overall NOAF incidence of 12.7% during hospitalization.
Why the study?
The study aimed to identify risk factors for new-onset atrial fibrillation in acute myocardial infarction patients after percutaneous coronary intervention and investigate whether nutritional status predicts its occurrence.
Does nutritional status predict new-onset atrial fibrillation in acute myocardial infarction patients after percutaneous coronary intervention?
Cohort (n=662)
Does nutritional status predict new-onset atrial fibrillation in acute myocardial infarction patients after percutaneous coronary intervention?
Malnutrition, as assessed by the CONUT score and GNRI, is an independent predictor of new-onset atrial fibrillation in patients with acute myocardial infarction undergoing PCI.
May inform NOAF risk stratification post-PCI in AMI; leaves open whether nutritional interventions reduce incidence.
Purpose: Our study aimed to identify new-onset atrial fibrillation (NOAF) risk factors in acute myocardial infarction (AMI) patients after treatment with percutaneous coronary intervention (PCI) and investigate whether their nutritional status can be a predicting factor of NOAF. Patients and Methods: We analyzed 662 AMI patients after PCI for NOAF occurrence during follow-up hospitalization and divided them into an NOAF and non-NOAF group. The patients' nutritional status was assessed using the controlling nutritional status (CONUT) score and geriatric nutritional risk index (GNRI). The Kaplan‒Meier analysis was used to assess NOAF-free survival in varying degrees of malnutrition. Cox proportional hazards models were used to identify the risk factors for NOAF. Results: Eighty-four (12.7%) patients developed NOAF during hospitalization. There was a statistically significant difference in the occurrence of NOAF among different categories of nutritional status. The CONUT score and GNRI classifications were independent predictors of NOAF. NOAF occurrence was associated with older age, higher uric acid levels, higher N-terminal pro-B-type natriuretic peptide levels, greater left atrial size, and worse Killip class upon admission. Conclusion: The nutritional status can affect NOAF occurrence in AMI patients after PCI. The CONUT score and GNRI are ideal tools for evaluating the nutritional status of AMI patients, with an excellent predictive effect on NOAF.
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Wu et al. (2023) conducted a cohort in Acute myocardial infarction (AMI) (n=662). Nutritional status (CONUT score and GNRI) vs. Different categories of nutritional status was evaluated on New-onset atrial fibrillation (NOAF). Nutritional status, assessed by CONUT score and GNRI, independently predicted new-onset atrial fibrillation in AMI patients after PCI, with an overall NOAF incidence of 12.7% during hospitalization.
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