Abstract
Background First pass myocardial perfusion imaging by CMR may permit the detection of myocardial ischaemia with greater accuracy than single photon emission computed tomography (SPECT). Technical developments have led to improvements in myocardial perfusion CMR, particularly through accelerated data acquisition methods. These permit the acquisition of data at higher spatial resolution than conventional CMR techniques, though it is unknown whether this improves diagnostic performance.
Highlights
First pass myocardial perfusion imaging by CMR may permit the detection of myocardial ischaemia with greater accuracy than single photon emission computed tomography (SPECT)
Respiratory artefacts affected 51% of high-resolution CMR studies; half of these occurred during the first pass of gadolinium
The presence of respiratory artefact did not have a significant impact on diagnostic accuracy
Summary
First pass myocardial perfusion imaging by CMR may permit the detection of myocardial ischaemia with greater accuracy than single photon emission computed tomography (SPECT). Technical developments have led to improvements in myocardial perfusion CMR, through accelerated data acquisition methods. These permit the acquisition of data at higher spatial resolution than conventional CMR techniques, though it is unknown whether this improves diagnostic performance. Each patient underwent conventional SPECT and X-ray coronary angiography studies (2). Investigations were reported by observers blinded to the other test results
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