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Metabolism of Hibernating Myocardium Assessed by Microdialysis during Surgical Revascularization: Report of a Case
Author(s) -
Mazzoni Maurizio,
Bortone Franco,
Ceriani Roberto,
Caprioli Giuseppe,
Passaretti Bruno,
Arena Vincenzo,
Parodi Oberdan
Publication year - 2008
Publication title -
journal of cardiac surgery
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.428
H-Index - 58
eISSN - 1540-8191
pISSN - 0886-0440
DOI - 10.1111/j.1540-8191.2008.00572.x
Subject(s) - microdialysis , hibernating myocardium , medicine , cardiopulmonary bypass , revascularization , cardiology , hibernation (computing) , myocardial revascularization , coronary circulation , pathophysiology , perfusion , artery , blood flow , myocardial infarction , state (computer science) , algorithm , computer science , central nervous system
We present an 80‐year‐old woman with hibernating myocardium in the left anterior descending coronary artery (LAD) territory who underwent surgical revascularization and metabolic evaluation of the dysfunctioning segments by microdialysis (μD) technique. Myocardial lactate, pyruvate, and glucose did not show obvious changes throughout the procedure. Conversely, myocardial glycerol and glutamate concentrations markedly increased early after cardioplegic arrest and subsided after weaning from cardiopulmonary bypass (CPB) and recovery of myocardial function. Intraoperative myocardial μD may add relevant pathophysiologic information on hibernating myocardium undergoing coronary flow restoration and, eventually, improve patient care.