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Response to dobutamine predicts regional ventricular function recovery after bypass surgery

Response to dobutamine predicts regional ventricular function recovery after bypass surgery
Left ventricular segments that show a biphasic response with a dobutamine echocardiogram (improvement with low-dose dobutamine followed by deterioration at higher doses) have the best functional improvement three months after surgery. Segments that show improvement only, worsen, or do not change have little likelihood of recovery.
Data from: Cornel JH, Bax JJ, Elhendy A, et al. J Am Coll Cardiol 1998; 31:1002.
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