Biomaterial Database

Stunned and hibernating myocardium. 1991

R A Kloner, and K Przyklenk

Heart Institute, Hospital of the Good Samaritan, Los Angeles, California 90017.

Myocardium that is not functioning may be dead (infarct or scar), viable but stunned (postischemic ventricular dysfunction), viable but hibernating (chronic low flow state), or acutely ischemic. Stunned myocardium has clearly been documented (a) in experimental studies of brief coronary artery occlusion followed by reperfusion, and (b) in myocardial infarct models in which early reperfusion salvages viable tissue. Recent clinical studies have confirmed the existence of stunned myocardium in humans. Evidence supporting the concept of hibernating myocardium comes from clinical studies in which patients with chronic low flow ischemia exhibit improvement in left ventricular function (sometimes immediately) following revascularization.

UI	MeSH Term	Description	Entries
D009200	Myocardial Contraction	Contractile activity of the MYOCARDIUM.	Heart Contractility,Inotropism, Cardiac,Cardiac Inotropism,Cardiac Inotropisms,Contractilities, Heart,Contractility, Heart,Contraction, Myocardial,Contractions, Myocardial,Heart Contractilities,Inotropisms, Cardiac,Myocardial Contractions
D009202	Cardiomyopathies	A group of diseases in which the dominant feature is the involvement of the CARDIAC MUSCLE itself. Cardiomyopathies are classified according to their predominant pathophysiological features (DILATED CARDIOMYOPATHY; HYPERTROPHIC CARDIOMYOPATHY; RESTRICTIVE CARDIOMYOPATHY) or their etiological/pathological factors (CARDIOMYOPATHY, ALCOHOLIC; ENDOCARDIAL FIBROELASTOSIS).	Myocardial Disease,Myocardial Diseases,Myocardial Diseases, Primary,Myocardial Diseases, Secondary,Myocardiopathies,Primary Myocardial Disease,Cardiomyopathies, Primary,Cardiomyopathies, Secondary,Primary Myocardial Diseases,Secondary Myocardial Diseases,Cardiomyopathy,Cardiomyopathy, Primary,Cardiomyopathy, Secondary,Disease, Myocardial,Disease, Primary Myocardial,Disease, Secondary Myocardial,Diseases, Myocardial,Diseases, Primary Myocardial,Diseases, Secondary Myocardial,Myocardial Disease, Primary,Myocardial Disease, Secondary,Myocardiopathy,Primary Cardiomyopathies,Primary Cardiomyopathy,Secondary Cardiomyopathies,Secondary Cardiomyopathy,Secondary Myocardial Disease
D001783	Blood Flow Velocity	A value equal to the total volume flow divided by the cross-sectional area of the vascular bed.	Blood Flow Velocities,Flow Velocities, Blood,Flow Velocity, Blood,Velocities, Blood Flow,Velocity, Blood Flow
D003326	Coronary Circulation	The circulation of blood through the CORONARY VESSELS of the HEART.	Circulation, Coronary
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818	Animals	Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.	Animal,Metazoa,Animalia
D015425	Myocardial Reperfusion	Generally, restoration of blood supply to heart tissue which is ischemic due to decrease in normal blood supply. The decrease may result from any source including atherosclerotic obstruction, narrowing of the artery, or surgical clamping. Reperfusion can be induced to treat ischemia. Methods include chemical dissolution of an occluding thrombus, administration of vasodilator drugs, angioplasty, catheterization, and artery bypass graft surgery. However, it is thought that reperfusion can itself further damage the ischemic tissue, causing MYOCARDIAL REPERFUSION INJURY.	Coronary Reperfusion,Reperfusion, Myocardial,Coronary Reperfusions,Myocardial Reperfusions,Reperfusion, Coronary,Reperfusions, Coronary,Reperfusions, Myocardial
D015912	Thrombolytic Therapy	Use of infusions of FIBRINOLYTIC AGENTS to destroy or dissolve thrombi in blood vessels or bypass grafts.	Fibrinolytic Therapy,Thrombolysis, Therapeutic,Therapeutic Thrombolysis,Therapy, Fibrinolytic,Therapy, Thrombolytic,Fibrinolytic Therapies,Therapeutic Thrombolyses,Therapies, Fibrinolytic,Therapies, Thrombolytic,Thrombolyses, Therapeutic,Thrombolytic Therapies