Tetralogy of Fallot: postoperative delayed recovery of left ventricular stroke volume after physical exercise assessment with fast MR imaging.
In six asymptomatic patients with corrected tetralogy of Fallot and nine healthy control subjects, the authors assessed left ventricular (LV) function during recovery from supine bicycle exercise by performing fast magnetic resonance (MR) flow mapping in the ascending aorta. Abnormal recovery of LV function after exercise was observed in the patients. MR flow mapping allows assessment of cardiac recovery after exercise.
Roest
Arno A W
AA
Department of Radiology, Leiden University Medical Center, The Netherlands.
de Roos
Albert
A
Lamb
Hildo J
HJ
Helbing
Willem A
WA
van den Aardweg
Joost G
JG
Doornbos
Joost
J
van der Wall
Ernst E
EE
Kunz
Patrik
P
D000293:Adolescent; D005080:Exercise Test / Q000379:methods; D005260:Female; D006339:Heart Rate / Q000502:physiology; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D013318:Stroke Volume / Q000502:physiology*; D013771:Tetralogy of Fallot / Q000503:physiopathology*; D016277:Ventricular Function, Left / Q000502:physiology*