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European Radiology

, Volume 16, Issue 7, pp 1424–1433 | Cite as

Accurate estimation of global and regional cardiac function by retrospectively gated multidetector row computed tomography

Comparison with cine magnetic resonance imaging
  • Bénédicte Belge
  • Emmanuel Coche
  • Agnès Pasquet
  • Jean-Louis J. Vanoverschelde
  • Bernhard L. Gerber
Cardiac

Abstract

Retrospective reconstruction of ECG-gated images at different parts of the cardiac cycle allows the assessment of cardiac function by multi-detector row CT (MDCT) at the time of non-invasive coronary imaging. We compared the accuracy of such measurements by MDCT to cine magnetic resonance (MR). Forty patients underwent the assessment of global and regional cardiac function by 16-slice MDCT and cine MR. Left ventricular (LV) end-diastolic and end-systolic volumes estimated by MDCT (134±51 and 67±56 ml) were similar to those by MR (137±57 and 70±60 ml, respectively; both P=NS) and strongly correlated (r=0.92 and r=0.95, respectively; both P<0.001). Consequently, LV ejection fractions by MDCT and MR were also similar (55±21 vs. 56±21%; P=NS) and highly correlated (r=0.95; P<0.001). Regional end-diastolic and end-systolic wall thicknesses by MDCT were highly correlated (r=0.84 and r=0.92, respectively; both P<0.001), but significantly lower than by MR (8.3±1.8 vs. 8.8±1.9 mm and 12.7±3.4 vs. 13.3±3.5 mm, respectively; both P<0.001). Values of regional wall thickening by MDCT and MR were similar (54±30 vs. 51±31%; P=NS) and also correlated well (r=0.91; P<0.001). Retrospectively gated MDCT can accurately estimate LV volumes, EF and regional LV wall thickening compared to cine MR.

Keywords

Multidetector CT MRI Cardiac function Ejection fraction 

Notes

Acknowledgements

We would like to thank Alain Vlassenbroeck and Mani Vembar from Philips Medical Systems for technical assistance.

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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • Bénédicte Belge
    • 1
  • Emmanuel Coche
    • 2
  • Agnès Pasquet
    • 1
  • Jean-Louis J. Vanoverschelde
    • 1
  • Bernhard L. Gerber
    • 1
    • 3
  1. 1.Division of CardiologyUniversité Catholique de LouvainBrusselsBelgium
  2. 2.Division of RadiologyUniversité Catholique de LouvainBrusselsBelgium
  3. 3.Department of CardiologyCliniques Universitaires St. Luc UCLWoluwe St. LambertBelgium

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