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Background Stress perfusion CMR accurately identifies inducible perfusion defects, but its role prior to coronary artery bypass surgery (CABG) is unclear. Similarly, late gadolinium enhancement (LGE) in CMR is well established in the identification of viability, but prognostic value postCABG is uncertain. Out of the 2600 stress perfusion studies performed at our centre from 2008-2009, early postoperative outcomes were assessed in 56 consecutive patients who had CABG following a CMR scan. 28 patients underwent adenosine stress perfusion imaging, while all 56 underwent LGE imaging.

Pre-operative ischaemia on CMR stress perfusion is a marker for prolonged post-operative stay after coronary artery bypass grafting