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MDCT Assessment of Right Ventricular Systolic Function

Halil Doan¹, Lucia J. M. Kroft¹, Jeroen J. Bax², Joanne D. Schuijf², Rob J. van der Geest¹, Joost Doornbos¹ and Albert de Roos¹

¹ Department of Radiology, Leiden University Medical Center, C2-S, Albinusdreef 2, 2333 ZA Leiden, The Netherlands.
² Department of Cardiology, Leiden University Medical Center, Leiden, The Netherlands.

OBJECTIVE. The objective of our study was to validate using MDCT for the assessment of right ventricular (RV) function. MDCT with retrospective ECG gating was performed in 15 patients being evaluated for suspected cardiovascular disease. Echocardiography was performed for comparison. The MDCT images were reconstructed at 20 phase points over the cardiac cycle. The end-diastolic and end-systolic volumes of both ventricles were measured. Stroke volumes and ejection fractions were calculated from these data.

CONCLUSION. RV volumes can be accurately assessed using MDCT.

Keywords: cardiac imaging • CT • ECG gating • heart • MDCT • right ventricular function

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