Improved Cardiac MRI Volume Measurements in Patients with Tetralogy of Fallot by Independent End-Systolic and End-Diastolic Phase Selection

Hendrik G Freling, Petronella G Pieper, Karin M Vermeulen, Jeroen M van Swieten, Paul E Sijens, Dirk J van Veldhuisen and Tineke P Willems

PLOS ONE, 2013, vol. 8, issue 1, 1-5

Abstract: Objectives: To investigate to what extent cardiac MRI derived measurements of right ventricular (RV) volumes using the left ventricular (LV) end-systolic and end-diastolic frame misrepresent RV end-systolic and end-diastolic volumes in patients with tetralogy of Fallot (ToF) and a right bundle branch block. Methods: Sixty-five cardiac MRI scans of patients with ToF and a right bundle branch block, and 50 cardiac MRI scans of control subjects were analyzed. RV volumes and function using the end-systolic and end-diastolic frame of the RV were compared to using the end-systolic and end-diastolic frame of the LV. Results: Timing of the RV end-systolic frame was delayed compared to the LV end-systolic frame in 94% of patients with ToF and in 50% of control subjects. RV end-systolic volume using the RV end-systolic instead of LV end-systolic frame was smaller in ToF (median −3.3 ml/m2, interquartile range −1.9 to −5.6 ml/m2; p

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0055462

DOI: 10.1371/journal.pone.0055462

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