Native beta-adrenergic support for left ventricular dysfunction in experimental mitral regurgitation normalizes indexes of pump and contractile function.
Author(s) -
M Nagatsu,
Michael R. Zile,
Hiroyuki Tsutsui,
Phillip G. Schmid,
Gilberto DeFreyte,
George Cooper,
Blasé A. Carabello
Publication year - 1994
Publication title -
circulation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 7.795
H-Index - 607
eISSN - 1524-4539
pISSN - 0009-7322
DOI - 10.1161/01.cir.89.2.818
Subject(s) - medicine , cardiology , ejection fraction , mitral regurgitation , inotrope , regurgitation (circulation) , blockade , heart failure , receptor
It is generally accepted that the adrenergic nervous system provides inotropic support for the failing heart. However, the magnitude of this support has never been studied extensively. The present study was performed to test the hypothesis that the adrenergic nervous system is capable of maintaining indexes of pump and contractile function in the normal range despite significant innate myocardial depression.
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