Abstract
Results Compared to normal values (26 ± 5 g/m2) right ventricular muscle mass of MSO-patients (43.6 ± 16.2 g/m2) was significantly higher. The stroke volume of patients (33.8 ± 10.4 ml/m2) was significantly lower compared to controls (46 ± 8 ml/m2). The mean RV ejection fraction of patients (43,6 ± 9%) was also decreased (normal value: 43–63%). Patients with a stronger hypertrophy of the RV (>40 g/m2) had a significant higher ejection fraction and a significant lower enddiastolic volume than those with RV muscle mass within normal values (<40 g/m2) (Fig. 1). Comparing the RV (systemic ventricle) of patients and the LV of controls (systemic ventricle) a significant lower muscle mass was found in patients (43,6 ± 16,2 g/m2 vs. 87 ± 12 g/m2). We also found a significant lower ejection fraction (43,6 ± 9%) and a significant lower stroke volume (33,8 ± 10,4 ml/m2) in patients compared with controls.
Highlights
Abstracts of the 11th Annual SCMR Scientific Sessions - 2008 Meeting abstracts – A single PDF containing all abstracts in this Supplement is available here. http://www.biomedcentral.com/content/pdf/1532-429X-10-S1-info.pdf
right ventricle (RV) and left ventricular (LV) parameters were compared between the patient group and normal values
Comparing the RV of patients and the LV of controls a significant lower muscle mass was found in patients (43,6 ± 16,2 g/m2 vs. 87 ± 12 g/m2)
Summary
1066 Analysis of the systemic right ventricle (RV) in patients after atrial switch operation for the correction of complete transposition of great arteries (d-TGA) by MRI. Janine Hoffmann*1, Antje Fleischer, Claudia Fröhlich, Matthias Grothoff, Hashim Abdul-Khaliq, Felix Berger and Matthias Gutberlet. Address: 1Radiology, Heart Center Leipzig, Leipzig, Germany, 2Pediatric Cardiology, Heart Center Berlin, Berlin, Germany, 3Radiology, Charité, Berlin, Berlin, Germany and 4Pediatric Cardiology, University Homburg/Saar, Homburg/Saar, Germany. Published: 22 October 2008 Journal of Cardiovascular Magnetic Resonance 2008, 10(Suppl 1):A191 doi:10.1186/1532-429X-10-S1-A191. To determine morphologic and functional alterations of the systemic ventricle in patients after atrial switch operation for the correction of complete transposition of the great arteries (d-TGA). Right (RV) and left ventricular (LV) volumes were compared with those of normals
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