Biomaterial Database

Intraoperative echocardiography: interpretation of changes in left ventricular wall thickness. 1998

H M Spotnitz, and S E Cabreriza, and J P Hart

Department of Surgery, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA.

Quantitative two-dimensional echocardiography (Q2-DE) may be used to detect intraoperative changes in left ventricular (LV) mass (M) and wall thickness (h). Potential causes of change in h include physiological redistribution of myocardium, myocardial edema, reactive hyperemia, and intramyocardial hemorrhage. Changes in h, in the absence of changes in LV shape and volume, generally indicate increased LVM. When changes in h are accompanied by changes in shape or volume, changes in LVM can only be detected by mathematical modeling, unless the direction of the observed changes is opposite that expected with physiological redistribution. Histological observations essential to understanding current mathematical models are presented and related to the inherent solid geometry. Technical considerations in determination of LV mass by Q2-DE are discussed. New procedures that alter LV volume and geometry, such as the Batista operation, defy modeling by conventional methods. Modeling techniques that allow an experimental approach to understanding LVM and h under such conditions are presented.

UI	MeSH Term	Description	Entries
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
D004452	Echocardiography	Ultrasonic recording of the size, motion, and composition of the heart and surrounding tissues. The standard approach is transthoracic.	Echocardiography, Contrast,Echocardiography, Cross-Sectional,Echocardiography, M-Mode,Echocardiography, Transthoracic,Echocardiography, Two-Dimensional,Transthoracic Echocardiography,2-D Echocardiography,2D Echocardiography,Contrast Echocardiography,Cross-Sectional Echocardiography,Echocardiography, 2-D,Echocardiography, 2D,M-Mode Echocardiography,Two-Dimensional Echocardiography,2 D Echocardiography,Cross Sectional Echocardiography,Echocardiography, 2 D,Echocardiography, Cross Sectional,Echocardiography, M Mode,Echocardiography, Two Dimensional,M Mode Echocardiography,Two Dimensional Echocardiography
D004487	Edema	Abnormal fluid accumulation in TISSUES or body cavities. Most cases of edema are present under the SKIN in SUBCUTANEOUS TISSUE.	Dropsy,Hydrops,Anasarca
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D016343	Monitoring, Intraoperative	The constant checking on the state or condition of a patient during the course of a surgical operation (e.g., checking of vital signs).	Intraoperative Monitoring
D020257	Ventricular Remodeling	The geometric and structural changes that the HEART VENTRICLES undergo, usually following MYOCARDIAL INFARCTION. It comprises expansion of the infarct and dilatation of the healthy ventricle segments. While most prevalent in the left ventricle, it can also occur in the right ventricle.	Cardiac Remodeling, Ventricular,Left Ventricular Remodeling,Myocardial Remodeling, Ventricular,Left Ventricle Remodeling,Ventricle Remodeling,Cardiac Remodelings, Ventricular,Left Ventricle Remodelings,Left Ventricular Remodelings,Myocardial Remodelings, Ventricular,Remodeling, Left Ventricle,Remodeling, Left Ventricular,Remodeling, Ventricle,Remodeling, Ventricular,Remodeling, Ventricular Cardiac,Remodeling, Ventricular Myocardial,Remodelings, Left Ventricle,Remodelings, Left Ventricular,Remodelings, Ventricle,Remodelings, Ventricular,Remodelings, Ventricular Cardiac,Remodelings, Ventricular Myocardial,Ventricle Remodeling, Left,Ventricle Remodelings,Ventricle Remodelings, Left,Ventricular Cardiac Remodeling,Ventricular Cardiac Remodelings,Ventricular Myocardial Remodeling,Ventricular Myocardial Remodelings,Ventricular Remodeling, Left,Ventricular Remodelings,Ventricular Remodelings, Left