AI Article Synopsis
- Malnutrition is linked to heart failure, specifically affecting the remodeling of the left ventricle (LV), which is crucial in heart disease progression.
- The study evaluated over 7,200 patients, finding that those with moderate to severe malnutrition had a significantly higher incidence of LV remodeling (12.9%) compared to those with absent or mild malnutrition (9.5%).
- After adjusting for various factors, patients with moderate-severe malnutrition were 1.69 times more likely to experience LV remodeling, highlighting the critical connection between nutritional status and heart health.
Article Abstract
Objectives: Malnutrition is associated with increased incidence of heart failure (HF). Left ventricular (LV) remodeling is one of the most important processes in the occurrence and evolution of HF. However, the association between nutritional status and LV remodeling is not well known. The study aimed to investigate the association between malnutrition and LV remodeling.
Design: The study was a retrospective observation study.
Setting And Participants: We included patients from the registry of Cardiorenal Improvement study from January 2007 to December 2018 at Guangdong Provincial People's Hospital.
Measurements: The primary endpoint was LV remodeling, defined as an absolute decrease in LV ejection fraction ≥10% after discharge compared with baseline. Nutritional status was assessed by the Controlling Nutritional Status (CONUT) score. Eligible patients were divided into absent-mild malnutrition group (CONUT score ≤4) and moderate-severe malnutrition group (CONUT score >4). Univariable and multivariable logistic regression was performed to verify the association between malnutrition and left ventricular remodeling.
Results: A total of 7,217 patients (mean age 61.3±10.5 years, 71.7% male) were included in the final analysis, among which 712 (9.9%) had LV remodeling. The incidence of LV remodeling in moderate-severe malnutrition group was significantly higher than that in absent-mild malnutrition group (12.9% vs. 9.5%, p=0.002). In multivariable logistic regression, moderate-severe malnutrition group was significantly associated with 1.69-fold increased risk of LV remodeling after adjusting confounders (OR: 1.69, CI: 1.32-2.16). Similar results were observed in subgroup stratified by age, gender, and coronary artery disease.
Conclusion: Nearly one eighth of patients were classified as moderate-severe malnutrition, 12% of whom had LV remodeling. Moderate-severe malnutrition was associated with 69% increased risk of LV remodeling. Further studies are needed to prospectively evaluate the nutrition-oriented managements on outcomes in LV remodeling.
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| http://dx.doi.org/10.1007/s12603-022-1862-0 | DOI Listing |
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