Feature tracking for assessment of diastolic function by cardiovascular magnetic resonance imaging

To assess the agreement of cardiovascular magnetic resonance imaging (CMRI) feature-tracking (FT) parameters with echocardiography to diagnose diastolic dysfunction; to determine whether a similar parameter to mitral inflow early diastolic velocity to early diastolic tissue velocity ratio (E/e’) can...

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Bibliographic Details
Published in:Clinical radiology 2020-04, Vol.75 (4), p.321.e1-321.e11
Main Authors: Ng, M.Y., Tong, X., He, J., Lin, Q., Luo, L., Chen, Y., Shen, X.P., Wan, E.Y.F., Yan, A.T., Yiu, K.H.
Format: Article
Language:English
Subjects:
Adult
Blood Flow Velocity
Case-Control Studies
Echocardiography
Female
Heart Failure, Diastolic - diagnostic imaging
Humans
Magnetic Resonance Imaging, Cine - methods
Male
Middle Aged
Pulmonary Veins - diagnostic imaging
Retrospective Studies
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Summary:To assess the agreement of cardiovascular magnetic resonance imaging (CMRI) feature-tracking (FT) parameters with echocardiography to diagnose diastolic dysfunction; to determine whether a similar parameter to mitral inflow early diastolic velocity to early diastolic tissue velocity ratio (E/e’) can increase accuracy of imaging by dividing the phase contrast (PC) mitral inflow E-wave (E) with a CMRI-FT parameter; to compare the agreement between CMRI-FT and PC diastolic function assessment using echocardiography. Patients (n=71; 43 abnormal diastolic function) undergoing both CMRI and echocardiography independently were included. Echocardiography was the reference standard. CMRI-FT analysed the short and long axis cine contours. PC images of mitral inflow, tissue velocity, pulmonary vein flow, and left atrial area were assessed. Using CMRI-FT, the area under the curve (AUC) for identifying diastolic dysfunction was >0.80 for radial and circumferential strain, systolic strain rate (SSR), and early diastolic strain rate (DSR). For cases with CMRI-determined left ventricular ejection fraction (LVEF) ≥50% (n=38), circumferential DSR was the only parameter with good accuracy (AUC=0.87; cut-off 0.93/s). E/circumferential DSR ratio and longitudinal strain had high accuracy in all patients (AUC=0.88 and 0.93 respectively) and CMRI-determined LVEF ≥50% (AUC=0.81; cut-off 76.7). Circumferential DSR showed the highest agreement with echocardiography (higher than E/circumferential DSR and PC assessment) in all cases (kappa 0.75; p
ISSN:0009-9260
1365-229X
DOI:10.1016/j.crad.2019.11.013