Effect of Cardiac Resynchronization Therapy on Subendo- and Subepicardial Left Ventricular Twist Mechanics and Relation to Favorable Outcome

The analysis of left ventricular (LV) mechanics provides novel insights into the effects of cardiac resynchronization therapy (CRT) on LV performance. Currently, advances in speckle-tracking echocardiographic analysis have permitted the characterization of subendocardial and subepicardial LV twist....

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Veröffentlicht in:	The American journal of cardiology 2010-09, Vol.106 (5), p.682-687
Hauptverfasser:	Bertini, Matteo, MD, Delgado, Victoria, MD, Nucifora, Gaetano, MD, Marsan, Nina Ajmone, MD, Ng, Arnold C.T., MBBS, Shanks, Miriam, MD, Van Bommel, Rutger J., MD, Borleffs, C. Jan Willem, MD, Ewe, See H., MBBS, Boriani, Giuseppe, MD, PhD, Biffi, Mauro, MD, Schalij, Martin J., MD, PhD, Bax, Jeroen J., MD, PhD
Format:	Artikel
Sprache:	eng
Schlagworte:	Aged Biological and medical sciences Cardiac Pacing, Artificial Cardiology Cardiology. Vascular system Cardiovascular Cohort Studies Defibrillators, Implantable Echocardiography, Three-Dimensional Electric Countershock Female Heart Heart failure Heart Failure - pathology Heart Failure - physiopathology Heart Failure - therapy Humans Male Medical sciences Middle Aged Predictive Value of Tests Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) Regression analysis Side effects Stroke Volume Studies Time Factors Transplants & implants Treatment Outcome Ultrasonic imaging Ventricular Dysfunction, Left - diagnosis Ventricular Dysfunction, Left - physiopathology Ventricular Dysfunction, Left - therapy Ventricular Fibrillation - diagnosis Ventricular Fibrillation - etiology Ventricular Fibrillation - therapy Ventricular Remodeling - physiology
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Beschreibung
Zusammenfassung:	The analysis of left ventricular (LV) mechanics provides novel insights into the effects of cardiac resynchronization therapy (CRT) on LV performance. Currently, advances in speckle-tracking echocardiographic analysis have permitted the characterization of subendocardial and subepicardial LV twist. The aim of this study was to investigate the role of the acute changes in subendocardial and subepicardial LV twist for the prediction of midterm beneficial effects of CRT. A total of 84 patients with heart failure scheduled for CRT were recruited. All patients underwent echocardiography before and
ISSN:	0002-9149 1879-1913
DOI:	10.1016/j.amjcard.2010.04.026