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. 2023 Dec;28(1):2209360.
doi: 10.1080/13510002.2023.2209360.

Relevance of oxidative stress biomarkers, hemoglobin A1c, troponin-I, and angiotensin-converting enzyme metabolism to blood pressure in acute myocardial infarction: a case-control study

Sounira Mehri  1 , Raja Chaaba  1 , Josef Finsterer  2 , Wided Khamlaoui  1 , Sonia Hammami  1   3 , Mohamed Hammami  1
Affiliations

Relevance of oxidative stress biomarkers, hemoglobin A1c, troponin-I, and angiotensin-converting enzyme metabolism to blood pressure in acute myocardial infarction: a case-control study

Sounira Mehri et al. Redox Rep. 2023 Dec.

Abstract

The aim was to investigate this relationship by calculating 1) the correlation between peak troponin-C (peak-cTnI), levels of oxidative stress biomarkers, including lipid peroxidation products (malondialdehyde (MDA), conjugated dienes (CD)), and antioxidant enzyme activity (glutathione peroxidase (GPx)), and HbA1c and 2) the correlation between HbA1c and serum angiotensin-converting enzyme (ACE) activity, and its impact on the rate pressure product (RPP) in acute myocardial infarction (AMI). A case-control study was performed in 306 AMI patients having undergone coronary angiography and on 410 controls. GPx activity was reduced in association with increased MDA and CD in patients. Peak-cTnI was positively correlated with HbA1c, MDA, and CD levels. Serum ACE activity was negatively correlated with GPx. HbA1c was positively correlated with ACE activity and RPP. Linear regression analysis showed that peak-cTnI, ACE activity and HbA1c are significant predictors of AMI. Elevated HbA1c and peak-cTnI levels are associated with RPP elevation causing AMI. In conclusions, patients with elevated HbA1c, elevated ACE activity and cTnI are at increased risk of AMI with increasing RPP. Patients at risk of AMI can be identified at an early stage if the biomarkers HbA1c, ACE activity, and cTnI are measured and preventive measures are taken in a targeted manner.

Keywords: Acute myocardial infarction; blood pressure; cardiac troponin I; glutathione peroxidase; heart rate product; lipid peroxidation products; risk; serum ACE activity.

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Conflict of interest statement

No potential conflict of interest was reported by the author(s).

Figures

Figure 1.
Figure 1.
Scatterplot illustrating the correlation between cTnI and (a) MDA (r = 0.569; p = 0.001); (b) DC (r = 0.845; p = 0.001); (c) GPx (r = −0. 0.982; p = 0.001); (d) HbA1c (r = 244; p = 0.001) in AMI patients.
Figure 2.
Figure 2.
Scatterplot illustrating the Pearson's correlation between (a) HbA1c and Serum ACE activity (r = 0.320; p = 0.001); (b) HbA1c and RPP (r = 0.258; p = 0.001) in AMI patients.
See this image and copyright information in PMC

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