MR-IMPACT was the first multicenter, multivendor phase-II study to investigate the diagnostic accuracy of magnetic resonance myocardial perfusion imaging involving 241 patients at 18 centres in Europe and the US.
Schwitter J, Wacker CM, van Rossum AC, Lombardi M, Al-Saadi N, Ahlstrom H, Dill T, Larsson HB, Flamm SD, Marquardt M, Johansson L.
MR-IMPACT: comparison of perfusion-cardiac magnetic resonance with single-photon emission computed tomography for the detection of coronary artery disease in a multicentre, multivendor, randomized trial.
Eur Heart J. 2008 Feb;29(4):480-9