Value of dual-source computed tomography in evaluating left ventricular function in patients with coronary heart

B X Shen1, D H Peng2, Y G Li2

  • 1Department of Radiology, Affiliated Nanshan Hospital of Guangdong Medical College, Shenzhen, Guangdong, China bixianshen123@163.com.

Insights

Dual-source computed tomography (DSCT) accurately assesses left ventricular function in coronary heart disease (CHD) patients. DSCT shows comparable results to echocardiography (ECG), especially in diabetic CHD patients.

Area of Science:

  • Cardiology
  • Medical Imaging

Background:

  • Left ventricular function is crucial for cardiovascular health.
  • Assessing left ventricular function aids in managing coronary heart disease (CHD).
  • Diabetes mellitus is a significant comorbidity in CHD patients, potentially affecting cardiac function.

Purpose of the Study:

  • To evaluate the accuracy of dual-source computed tomography (DSCT) in assessing left ventricular function.
  • To compare DSCT measurements with echocardiography (ECG) in patients with CHD.
  • To investigate the impact of type II diabetes on left ventricular function parameters in CHD patients.

Main Methods:

  • Cardiac DSCT and ECG examinations were performed on 58 CHD patients.
  • Ejection fraction (EF), end-systolic volume (ESV), stroke volume (SV), and end-diastolic volume (EDV) were measured.
  • Statistical correlation analysis was used to compare DSCT and ECG results.

Main Results:

  • DSCT showed strong correlations with ECG for EF (r=0.70), ESV (r=0.87), SV (r=0.83), and EDV (r=0.90).
  • CHD patients with type II diabetes exhibited higher mean ESV and EDV compared to non-diabetic patients.
  • Mean EF was lower in CHD patients with type II diabetes.

Conclusions:

  • DSCT is a reliable and practical tool for evaluating left ventricular function in CHD patients.
  • DSCT provides accurate measurements comparable to ECG for key functional parameters.
  • Type II diabetes is associated with altered left ventricular volumes and reduced ejection fraction in CHD patients.

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