Why the study?
Does dobutamine stress echocardiography differentiate ischemic from idiopathic dilated cardiomyopathy?
Population
56 consecutive patients, mean age 62 +/- 12 years, including 22 with idiopathic dilated cardiomyopathy and…
Comparison
Dobutamine stress echocardiography. vs Comparison between patients with idiopathic…
Design
Cohort
Authors
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Dobutamine stress echocardiography lacks reliability for differentiating cardiomyopathy etiologies; leaves open the diagnostic role of wall motion scoring in larger cohorts.
Does dobutamine stress echocardiography differentiate ischemic from idiopathic dilated cardiomyopathy?
Dobutamine stress echocardiography has low sensitivity and does not reliably discriminate between ischemic and idiopathic dilated cardiomyopathy based on left ventricular function improvement.
Cohen et al. (1997) studied this question.
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