Comparison of Left Ventricular Ejection Fraction in Heart Failure Patients on Echocardiography, Cardiac Magnetic Resonance Imaging and Single Photon Emission Computed Tomography

Authors

  • Iftikhar Ahmed Armed Forces Institute of Cardiology/National Institute of Heart Diseases (AFIC/NIHD)/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan
  • Asif Nadeem Armed Forces Institute of Cardiology/National Institute of Heart Diseases (AFIC/NIHD)/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan
  • Nazish Saeed Armed Forces Institute of Cardiology/National Institute of Heart Diseases (AFIC/NIHD)/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan
  • Syed Ali Shiram Armed Forces Institute of Cardiology/National Institute of Heart Diseases (AFIC/NIHD)/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan
  • Zahid Hussain Armed Forces Institute of Cardiology/National Institute of Heart Diseases (AFIC/NIHD)/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan
  • Muhammad Naeem Tariq Armed Forces Institute of Cardiology/National Institute of Heart Diseases (AFIC/NIHD)/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan
  • Javeria Kamran Armed Forces Institute of Cardiology/National Institute of Heart Diseases (AFIC/NIHD)/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan
  • Attiya Mustafa Armed Forces Institute of Cardiology/National Institute of Heart Diseases (AFIC/NIHD)/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan
  • Naseem Azad Armed Forces Institute of Cardiology/National Institute of Heart Diseases (AFIC/NIHD)/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan
  • Syed Khurram Shahzad Armed Forces Institute of Cardiology/National Institute of Heart Diseases (AFIC/NIHD)/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan

DOI:

https://doi.org/10.51253/pafmj.v72iSUPPL-3.9534

Keywords:

Cardiac magnetic resonance imaging, Echocardiography, Heart failure, Left ventricular ejection fraction, Single photon emission computed tomography scan

Abstract

Objective: To compare the left ventricular ejection fraction on echocardiograph, cardiac magnetic resonance imaging and single-photon emission computed tomography scan in heart failure patients.

Study Design: This was a prospective cross-sectional study.

Place and Duration of Study: Tertiary Cardiac Care Center of Rawalpindi, Pakistan, from Nov 2021 to Apr 2022.

Methodology: This was a prospective cross-sectional study conducted from November 2021 to April 2022 at a tertiary cardiac care center of Rawalpindi. Thirty (n=30) heart failure patients of either gender with reduced ejection fraction were selected by consecutive sampling technique and were analyzed to quantify their left ventricular ejection fraction (LVEF) using Echo, CMR and SPECT scan. All three modalities were used to measure LVEF in these patients and were compared accordingly.

Results: The LVEF measured by Cardiac Magnetic Resonance Imaging, Single Photon Emission Computed Tomography Scan and Echocardiography was in the range of 15% to 67%. The mean LVEF was 37.2±14.2 by CMR, 37.17±14.1 by SPECT and 38±12.3 by Echo. The mean LVEF determined by SPECT was slightly lower while that determined by Echocardiography was slightly higher. The measured p-value of LVEF by the three modalities, however, indicated statistically difference (p-value <0.05).

Conclusion: Although the literature shows diversity in results of these modalities, CMR is considered the standard reference for assessment of LVEF when interpreted by an expert observer. We in our study found that all three modalities are complimentary to each other and can be used interchangeably depending upon the availability of the equipment and reporting expertise of the observers.

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Published

22-11-2022

How to Cite

Ahmed, I., Nadeem, A., Saeed, N., Shiram, S. A., Hussain, Z., Tariq, M. N., … Shahzad, S. K. (2022). Comparison of Left Ventricular Ejection Fraction in Heart Failure Patients on Echocardiography, Cardiac Magnetic Resonance Imaging and Single Photon Emission Computed Tomography. Pakistan Armed Forces Medical Journal, 72(SUPPL-3), S461–66. https://doi.org/10.51253/pafmj.v72iSUPPL-3.9534

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