Early deterioration followed by improvement in contractility during dobutamine stress echocardiography: An unusual response

E. M. Juracan; W. K. Freeman; P. A. Pellikka

doi:10.1016/S0894-7317(99)70111-2

Early deterioration followed by improvement in contractility during dobutamine stress echocardiography: An unusual response

E. M. Juracan, W. K. Freeman, P. A. Pellikka

Research output: Contribution to journal › Article › peer-review

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Abstract

In 2 patients with severe proximal coronary artery stenosis and normal wall motion in this territory, we observed marked wall motion abnormalities with low and intermediate doses of dobutamine, followed by marked improvement with continued dobutamine infusion. This unusual response suggests ischemic preconditioning and recruitment of coronary collaterals and would be recognized only by monitoring of images obtained at all stages of dobutamine infusion.

Original language	English (US)
Pages (from-to)	1110-1113
Number of pages	4
Journal	Journal of the American Society of Echocardiography
Volume	12
Issue number	12
DOIs	https://doi.org/10.1016/S0894-7317(99)70111-2
State	Published - 1999

ASJC Scopus subject areas

Radiology Nuclear Medicine and imaging
Cardiology and Cardiovascular Medicine

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10.1016/S0894-7317(99)70111-2

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title = "Early deterioration followed by improvement in contractility during dobutamine stress echocardiography: An unusual response",

abstract = "In 2 patients with severe proximal coronary artery stenosis and normal wall motion in this territory, we observed marked wall motion abnormalities with low and intermediate doses of dobutamine, followed by marked improvement with continued dobutamine infusion. This unusual response suggests ischemic preconditioning and recruitment of coronary collaterals and would be recognized only by monitoring of images obtained at all stages of dobutamine infusion.",

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AB - In 2 patients with severe proximal coronary artery stenosis and normal wall motion in this territory, we observed marked wall motion abnormalities with low and intermediate doses of dobutamine, followed by marked improvement with continued dobutamine infusion. This unusual response suggests ischemic preconditioning and recruitment of coronary collaterals and would be recognized only by monitoring of images obtained at all stages of dobutamine infusion.

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Early deterioration followed by improvement in contractility during dobutamine stress echocardiography: An unusual response

Abstract

ASJC Scopus subject areas

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