Ventricular Assist Device Implantation Corrects Myocardial Lipotoxicity, Reverses Insulin Resistance, and Normalizes Cardiac Metabolism in Patients With Advanced Heart Failure
Author(s) -
Aalap Chokshi,
Konstantinos Drosatos,
Faisal H. Cheema,
Ruiping Ji,
Tuba Khawaja,
Shuiqing Yu,
Tomoko S. Kato,
Raffay Khan,
Hiroo Takayama,
Ralph Knöll,
Hendrik Milting,
Christine S. Chung,
Ulrich P. Jorde,
Yoshifumi Naka,
Donna Mancini,
Ira J. Goldberg,
P. Christian Schulze
Publication year - 2012
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/circulationaha.111.060889
Subject(s) - insulin resistance , medicine , lipotoxicity , heart failure , endocrinology , protein kinase b , insulin , insulin receptor , phosphorylation , biology , biochemistry
Heart failure is associated with impaired myocardial metabolism with a shift from fatty acids to glucose use for ATP generation. We hypothesized that cardiac accumulation of toxic lipid intermediates inhibits insulin signaling in advanced heart failure and that mechanical unloading of the failing myocardium corrects impaired cardiac metabolism.
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