Accuracy of right and left ventricular functional assessment by short-axis vs axial cine steady-state free-precession magnetic resonance imaging: intrapatient correlation with main pulmonary artery and ascending aorta phase-contrast flow measurements
ObjectiveThe left ventricle (LV) is routinely assessed with cardiac magnetic resonance imaging (MRI) by using short-axis orientation; it remains unclear whether the right ventricle (RV) can also be adequately assessed in this orientation or whether dedicated axial orientation is required. We used ph...
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| Main Authors: | , , , , , , , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
August 1, 2013
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| In: |
Canadian Association of Radiologists journal
Year: 2013, Volume: 64, Issue: 3, Pages: 213-219 |
| ISSN: | 1488-2361 |
| DOI: | 10.1016/j.carj.2011.12.016 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.carj.2011.12.016
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| Author Notes: | Susan H. James, MD, Rachel Wald, MD, Bernd J. Wintersperger, MD, Laura Jimenez-Juan, MD, Djeven Deva, MD, Andrew M. Crean, MD, Elsie Nguyen, MD, Narinder S. Paul, MD, Sebastian Ley, MD |
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| 245 | 1 | 0 | |a Accuracy of right and left ventricular functional assessment by short-axis vs axial cine steady-state free-precession magnetic resonance imaging |b intrapatient correlation with main pulmonary artery and ascending aorta phase-contrast flow measurements |c Susan H. James, MD, Rachel Wald, MD, Bernd J. Wintersperger, MD, Laura Jimenez-Juan, MD, Djeven Deva, MD, Andrew M. Crean, MD, Elsie Nguyen, MD, Narinder S. Paul, MD, Sebastian Ley, MD |
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| 520 | |a ObjectiveThe left ventricle (LV) is routinely assessed with cardiac magnetic resonance imaging (MRI) by using short-axis orientation; it remains unclear whether the right ventricle (RV) can also be adequately assessed in this orientation or whether dedicated axial orientation is required. We used phase-contrast (PC) flow measurements in the main pulmonary artery (MPA) and the ascending aorta (Aorta) as nonvolumetric standard of reference and compared RV and LV volumes in short-axis and axial orientations.MethodsA retrospective analysis identified 30 patients with cardiac MRI data sets. Patients underwent MRI (1.5 T or 3 T), with retrospectively gated cine steady-state free-precession in axial and short-axis orientations. PC flow analyses of MPA and Aorta were used as the reference measure of RV and LV output.ResultsThere was a high linear correlation between MPA-PC flow and RV?stroke volume (SV) short axis (r = 0.9) and RV-SV axial (r = 0.9). Bland-Altman analysis revealed a mean offset of 1.4 mL for RV axial and ?2.3 mL for RV?short-axis vs MPA-PC flow. There was a high linear correlation between Aorta-PC flow and LV-SV short-axis (r = 0.9) and LV-SV axial (r = 0.9). Bland-Altman analysis revealed a mean offset of 4.8 m for LV short axis and 7.0 mL for LV axial vs Aorta-PC flow. There was no significant difference (P = .6) between short-axis?LV SV and short-axis?RV SV.ConclusionNo significant impact of the slice acquisition orientation for determination of RV and LV stroke volumes was found. Therefore, cardiac magnetic resonance workflow does not need to be extended by an axial data set for patients without complex cardiac disease for assessment of biventricular function and volumes. | ||
| 650 | 4 | |a Cine | |
| 650 | 4 | |a Magnetic resonance imaging | |
| 650 | 4 | |a Phase contrast flow | |
| 650 | 4 | |a Stroke volume | |
| 650 | 4 | |a Validation study | |
| 650 | 4 | |a Ventricular function | |
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| 700 | 1 | |a Deva, Djeven |e VerfasserIn |4 aut | |
| 700 | 1 | |a Crean, Andrew M. |e VerfasserIn |4 aut | |
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