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Eur Radiol. 2012 May;22(5):1041-9. doi: 10.1007/s00330-011-2345-6. Epub 2012 Jan 24.

Left and right ventricle assessment with Cardiac CT: validation study vs. Cardiac MR.

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  • 1Cardiovascular Radiology Unit, Giovanni XXIII Hospital, 31050, Monastier di Treviso, Italy.



To compare Magnetic Resonance (MR) and Computed Tomography (CT) for the assessment of left (LV) and right (RV) ventricular functional parameters.


Seventy nine patients underwent both Cardiac CT and Cardiac MR. Images were acquired using short axis (SAX) reconstructions for CT and 2D cine b-SSFP (balanced-steady state free precession) SAX sequence for MR, and evaluated using dedicated software.


CT and MR images showed good agreement: LV EF (Ejection Fraction) (52  ±  14% for CT vs. 52  ±  14% for MR; r  =  0.73; p  >  0.05); RV EF (47  ±  12% for CT vs. 47 ± 12% for MR; r  =  0.74; p > 0.05); LV EDV (End Diastolic Volume) (74  ±  21 ml/m² for CT vs. 76  ±  25 ml/m² for MR; r  =  0.59; p > 0.05); RV EDV (84  ±  25 ml/m² for CT vs. 80  ±  23 ml/m² for MR; r  =  0.58; p > 0.05); LV ESV (End Systolic Volume)(37  ±  19 ml/m² for CT vs. 38  ±  23 ml/m² for MR; r  =  0.76; p  >  0.05); RV ESV (46  ±  21 ml/m² for CT vs. 43  ±  18 ml/m² for MR; r  =  0.70; p  >  0.05). Intra- and inter-observer variability were good, and the performance of CT was maintained for different EF subgroups.


Cardiac CT provides accurate and reproducible LV and RV volume parameters compared with MR, and can be considered as a reliable alternative for patients who are not suitable to undergo MR.


• Cardiac-CT is able to provide Left and Right Ventricular function. • Cardiac-CT is accurate as MR for LV and RV volume assessment. • Cardiac-CT can provide accurate evaluation of coronary arteries and LV and RV function.

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