The relationship between cardiac oxidative stress, inflammatory cytokine response, cardiac pump function, and

Dongpeng Duan1, Hongjun Li2, Shiyun Chai3

  • 1Department of Emergency, Affiliated Hospital of Hebei Engineering University, Handan, Hebei, China.

Scientific Reports
|April 18, 2024
PubMed

Insights

Early antioxidant and anti-inflammatory treatment after myocardial infarction significantly improves cardiac function and prognosis. This intervention reduces inflammatory markers, oxidative stress, and adverse cardiac events, leading to better patient outcomes.

Area of Science:

  • Cardiology
  • Biochemistry
  • Pharmacology

Background:

  • Myocardial infarction (MI) can lead to cardiac oxidative stress and inflammation, negatively impacting cardiac function and prognosis.
  • Standard treatment for MI may not fully address the underlying inflammatory and oxidative processes.
  • Early intervention targeting these pathways could potentially improve patient outcomes.

Purpose of the Study:

  • To investigate the effects of early antioxidant and anti-inflammatory treatment on cardiac oxidative stress, inflammatory response, cardiac pump function, and prognosis in post-myocardial infarction patients.
  • To compare outcomes between patients receiving standard treatment and those receiving early combined intervention.

Main Methods:

  • 276 post-MI patients were divided into a control group (standard treatment) and an observation group (standard + early antioxidant/anti-inflammatory treatment).
  • Serum inflammatory factors (TNF-α, IL-1β, IL-6) were measured using ELISA.
  • Cardiac oxidative stress was assessed using the Forkhead Box Protein A2 (FOX2) reagent and Total Antioxidant Status (TAS).
  • Cardiac pump function was evaluated by Left Ventricular End-Diastolic Diameter (LVEDD), Left Ventricular Ejection Fraction (LVEF), and End-Systolic Diameter (ESD) via Doppler ultrasound.

Main Results:

  • The observation group showed significantly lower levels of TNF-α, IL-1β, and IL-6 compared to the control group (P<0.05).
  • The observation group had reduced total oxidation levels, OSI, EDD, and ESD, and higher LVEF and TAS levels (P<0.05).
  • Incidences of reinfarction, heart failure, arrhythmia, and abnormal valve function were significantly lower in the observation group (P<0.05).

Conclusions:

  • Early intervention with antioxidant and anti-inflammatory drugs significantly mitigates cardiac oxidative stress and inflammatory markers post-MI.
  • This strategy enhances cardiac pump function (improved LVEF, reduced diameters) and improves overall prognosis.
  • Timely intervention is crucial for reducing adverse cardiac events and improving long-term outcomes in myocardial infarction patients.

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