Why the study?
Does cardiac power output to left ventricular mass assessed at peak dobutamine stress echocardiography predict mortality in patients with ischaemic cardiomyopathy and no inducible ischaemia?
Does cardiac power output to left ventricular mass assessed at peak dobutamine stress echocardiography predict mortality in patients with ischaemic cardiomyopathy and no inducible ischaemia?
In patients with ischemic cardiomyopathy and negative dobutamine stress echo by wall motion criteria, a peak-stress power/mass ≤0.50 W/100 g is a strong independent predictor of mortality.
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May refine risk stratification in ischaemic cardiomyopathy without ischaemia; hypothesis-generating and needs prospective validation.
Cortigiani et al. (2016) studied this question.
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