title: Features of the Left Ventricular Functional Geometry in Patients with Myocardial Diseases with Varying Degrees of Systolic Dysfunction.
abstract: We revealed some features of the left ventricular functional geometry in patients with myocardial diseases with different degrees of left ventricular systolic dysfunction. A negative correlation was found between the spatio-temporal heterogeneity of the kinetics of the left ventricular wall during systole and ejection fraction in normal heart and in systolic dysfunction. The differences in the quantitative characteristics of the functional geometry between patients and normal subjects and between different groups of patients depended on the severityof left-ventricular systolic dysfunction. In particular, spatial heterogeneity index that characterizes heterogeneity of systolic movement of the wall segments and end-systolic Fourier shape-power index characterizing complexity of the left ventricle shape during systole differed significantly in the examined groups of patients and have the greatest diagnostic power.
authors.affiliation: Institute of Immunology and Physiology, Ural Division of the Russian Academy of Sciences, Ekaterinburg, Russia. chumarnaya@gmail.com.|Ural Federal University, Ekaterinburg, Russia. chumarnaya@gmail.com.
authors.forename: T V
authors.initials: TV
authors.lastname: Chumarnaya
authors.affiliation: Sverdlovsk Regional Clinical Hospital No. 1, Ekaterinburg, Russia.|Ural State Medical University, Ekaterinburg, Russia.
authors.forename: Yu S
authors.initials: YS
authors.lastname: Alueva
authors.affiliation: Sverdlovsk Regional Clinical Hospital No. 1, Ekaterinburg, Russia.|Ural State Medical University, Ekaterinburg, Russia.
authors.forename: V V
authors.initials: VV
authors.lastname: Kochmasheva
authors.affiliation: Sverdlovsk Regional Clinical Hospital No. 1, Ekaterinburg, Russia.|Ural State Medical University, Ekaterinburg, Russia.
authors.forename: S P
authors.initials: SP
authors.lastname: Mihailov
authors.affiliation: A.V. Vishnevsky Institute of Surgery, Moscow, Russia.
authors.forename: A Sh
authors.initials: AS
authors.lastname: Revishvili
authors.affiliation: Ural State Medical University, Ekaterinburg, Russia.
authors.forename: P B
authors.initials: PB
authors.lastname: Tsyv'ian
authors.affiliation: Institute of Immunology and Physiology, Ural Division of the Russian Academy of Sciences, Ekaterinburg, Russia.|Ural Federal University, Ekaterinburg, Russia.
authors.forename: O E
authors.initials: OE
authors.lastname: Solov'eva
mesh_terms: D002311:Cardiomyopathy, Dilated / Q000000981:diagnostic imaging / Q000473:pathology / Q000503:physiopathology*; D016022:Case-Control Studies; D003327:Coronary Disease / Q000000981:diagnostic imaging / Q000473:pathology / Q000503:physiopathology*; D003971:Diastole; D004562:Electrocardiography; D016027:Heart Transplantation; D006352:Heart Ventricles / Q000000981:diagnostic imaging / Q000473:pathology / Q000503:physiopathology*; D006801:Humans; D012720:Severity of Illness Index; D013318:Stroke Volume; D013599:Systole; D014463:Ultrasonography; D018487:Ventricular Dysfunction, Left / Q000000981:diagnostic imaging / Q000473:pathology / Q000503:physiopathology*; D016277:Ventricular Function, Left
keywords: functional geometry of the left ventricle; heterogeneity; shape indexes; systolic dysfunction