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Published on: July 3, 2018
Association between cardiac function and metabolic factors including adiponectin in patients with acute myocardial
Kumi Kimura1, Shin-ichiro Miura, Atsushi Iwata
1Department of Cardiology, Fukuoka University School of Medicine, Jonan-Ku, Fukuoka, Japan.
Insights
In patients with acute myocardial infarction (AMI), higher adiponectin levels one week after treatment predict worse cardiac function six months later. This finding highlights adiponectin as a key metabolic marker for predicting heart recovery post-AMI.
Area of Science:
- Cardiology
- Metabolic Syndrome
- Biomarkers
Background:
- Limited understanding of metabolic factors, including adiponectin, and cardiac function post-acute myocardial infarction (AMI).
- Previous studies focused on chronic heart failure, not acute events.
Purpose of the Study:
- To investigate the relationship between cardiac function and metabolic factors, specifically adiponectin, in patients following AMI.
- To identify predictors of cardiac dysfunction at 6 months post-AMI.
Main Methods:
- Analysis of 50 consecutive AMI patients post-stent implantation.
- Echocardiography and blood sampling at 1 week and 6 months post-AMI.
- Measurement of brain natriuretic peptide (BNP), adiponectin, lipid profile, and HbA1c.
Main Results:
- Plasma adiponectin levels increased significantly from 1 week to 6 months post-AMI.
- Brain natriuretic peptide (BNP) levels significantly decreased over the same period.
- Higher baseline adiponectin at 1 week strongly correlated with higher BNP levels at 6 months, indicating poorer cardiac function.
Conclusions:
- Elevated plasma adiponectin levels at 1 week post-AMI predict higher BNP levels at 6 months.
- Adiponectin emerges as a significant metabolic predictor of cardiac dysfunction following acute myocardial infarction.
Background:
Although several clinical studies have evaluated plasma adiponectin levels in response to chronic heart failure, little is known about the relation between cardiac function and metabolic factors including adiponectin in patients with acute myocardial infarction (AMI).
Methods And Results:
We analyzed 50 consecutive patients with AMI who had undergone successful coronary stent implantation. Echocardiography and blood sampling were performed at 1 week and 6 months after AMI. Blood was analyzed with regard to brain natriuretic peptide (BNP) and metabolic factors including plasma levels of adiponectin, lipid profile, and hemoglobin A1c (HbA1c). Plasma adiponectin levels were significantly increased at 6 months (7.3 ± 4.9 μg/ml) compared to those at 1 week (6.1 ± 3.7). BNP (from 156 ± 151 to 96 ± 124 pg/ml) significantly decreased. In addition, BNP at 6 months was positively correlated with plasma adiponectin levels at 1 week (y = 0.019 x -23.1, r = 0.537, P = 0.002), while BNP at 6 months was not associated with maximal creatinine kinase after AMI. A multiple regression analysis was performed to analyze the relationship between BNP at 6 months and metabolic factors (plasma levels of adiponectin, lipid profile, HbA1c, blood pressure, age, sex, and body mass index) at 1 week after AMI. BNP at 6 months was most closely correlated with plasma levels of adiponectin at 1 week (P = 0.045).
Conclusions:
Among the metabolic factors examined, a higher adiponectin level at 1 week is the predictor of a higher BNP as one marker of cardiac dysfunction at 6 months after AMI.
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