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. 2024 Jul 11:29:26.
doi: 10.4103/jrms.jrms_478_22. eCollection 2024.

Negative association of apelin plasma levels with epicardial fat thickness in patients with stable angina and acute myocardial infarction: A case-control study

Behzad Babapour  1 , Hossein Doustkami  1 , Leli Avesta  1 , Peyman Kiamehr  1 , Mohammad Reza Aslani  2   3
Affiliations

Negative association of apelin plasma levels with epicardial fat thickness in patients with stable angina and acute myocardial infarction: A case-control study

Behzad Babapour et al. J Res Med Sci. .

Abstract

Background: Apelin is one of the endogenous peptides that play a key role in the homeostasis of cardiovascular diseases. The purpose of the current study was to evaluate the correlation between apelin levels and epicardial fat thickness (EFT) in patients with stable angina and acute myocardial infarction (AMI).

Materials and methods: In a case-control study, 90 patients nominated for angiography were enrolled in the study and divided into three groups: healthy subjects without angiographic findings (Con), stable angina pectoris group (SAP), and acute AMI group. Data collected from all subjects included biochemical, echocardiographic, and angiographical parameters. The Gensini score analyzed the severity of coronary artery disease (CAD).

Results: A decrease in adjusted apelin levels was evident in the AMI and SAP groups compared with healthy individuals (for both P < 0.001), especially in the AMI group. In addition, a detectable negative association was identified between apelin and Gensini score (r = -0.288, P = 0.006), Ck-MB (r = -0.300, P = 0.004), EFT (r = -0.300, P = 0.004), and troponin-T (r = -0.288, P = 0.006).

Conclusion: Myocardial injury in patients with CAD appears to play a significant role in apelin concentration independent of the role of adipose tissue, which requires further studies.

Keywords: Acute myocardial infarction; angiography; apelin; epicardial fat thickness.

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Conflict of interest statement

There are no conflicts of interest.

Figures

Figure 1
Figure 1
The mean ± standard deviation of plasma levels of (a) apelin, and (b) Adjusted apelin for the age, body mass index, waist–hip ratio, and group. Con = Control group, SAP = Stable angina pectoris group, AMI = Acute myocardial infarction. For statistical differences between the control (con) group and other groups: **: P <0.01, ***; P < 0.001. For statistical differences between SAP with AMI: +: P <0.05, +++; P < 0.001. Comparison between groups was done using ANOVA test
Figure 2
Figure 2
The mean ± standard deviation of the epicardial fat thickness of (a) baseline, and (b) adjusted for the age, body mass index, waist–hip ratio, and group. Con = Control group, SAP = Stable angina pectoris group, AMI = Acute myocardial infarction. For statistical differences between the control group and other groups: ***; P < 0.001. For statistical differences between SAP with AMI: +++; P < 0.001. Comparison between groups was done using ANOVA test
Figure 3
Figure 3
Pearson’s correlation analysis of (a) apelin and creatine kinase-MB, (b) apelin and troponin-T, (c) apelin and Gensini score, (d) apelin and left ventricular ejection fraction (%), and (e) apelin and epicardial fat thickness. EFT = Epicardial fat thickness, CK-MB = Creatine kinase-MB, LVEF = Left ventricular ejection fraction
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