Why the study?
An accurate and reproducible modality for assessing left ventricular function is crucial for diagnostic and prognostic evaluation of cardiac pump activity, and cardiac MDCT may serve that role.
Does 128-slice MDCT accurately assess left ventricular function and volumes compared to 2D transthoracic echocardiography in patients with suspected cardiac problems?
Does 128-slice MDCT accurately assess left ventricular function and volumes compared to 2D transthoracic echocardiography in patients with suspected cardiac problems?
MDCT provides a reliable assessment of left ventricular function and volumes comparable to 2D echocardiography, suggesting it can be used alone for LV assessment in patients already undergoing coronary CT angiography.
May offer MDCT alternative when echo is limited; leaves open validation in larger cohorts.
Background An accurate and reproducible way for determining the left ventricular function is crucial to provide diagnostic and prognostic aspects of the pump activity of the heart. The MDCT of the heart can be that modality. We compared the 128 MDCT of fifty patients with their 2D echocardiography performed on the same day. Results Mean EF, ESV, EDV, and LV mass were 61.22 ± 9.50%, 70.23 ± 38.35, 172.22 ± 53.57, 164.63 ± 52.57 respectively on MDCT, and 61.14 ± 10.90%, 72.13 ± 32.69, 173.76 ± 62.45, 198.32 ± 72.54 respectively on echocardiography with moderate correlation in EF and good correlation in ventricular volumes (p < 0.05) using linear regression analysis. A Bland-Altman analysis showed that MDCT had slightly lower LFEF, LVESV, and LVEDV values with mean value of differences of 0.8, 2.4, and 2.28 respectively. Conclusion It is reasonable to use MDCT alone to assess LV function in patients already underwent coronary CT angiography.
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Samea et al. (2020) studied this question.
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