Two dimensional speckle tracking echocardiography in detection of subclinical left ventricular systolic dysfunction in patients with severe aortic stenosis

Garcia, 2009, Impairment of coronary flow reserve in aortic stenosis, J Appl Physiol, 106, 113, 10.1152/japplphysiol.00049.2008 Yaping, 2013, Novel two dimensional strain reflects improvement and remodeling of left-ventricular function better than conventional echocardiographic parameters after aortic valve repair in pediatric patients, Pediatr Cardiol, 34, 30, 10.1007/s00246-012-0376-7 Korinek, 2005, Two-dimensional strain – a Doppler-independent ultrasound method for quantitation of regional deformation: validation in vitro and in vivo, J Am Soc Echocardiogr, 18, 1247, 10.1016/j.echo.2005.03.024 Devereux, 1986, Echocardiographic assessment of left ventricular hypertrophy: comparison to necropsy findings, Am J Cardiol, 57, 450, 10.1016/0002-9149(86)90771-X Lang, 2005, J Am Soc Echocardiogr, 18, 1440, 10.1016/j.echo.2005.10.005 Alec, 2012, Guidelines on the management of valvular heart disease (version 2012). The Joint Task Force on the Management of Valvular Heart Disease of the European Society of Cardiology (ESC) and the European Association for Cardio-Thoracic Surgery (EACTS), Eur Heart J, 33, 2451, 10.1093/eurheartj/ehs109 Wilfried, 2010, Reduced global longitudinal strain in association to increased left ventricular mass in patients with aortic valve stenosis and normal ejection fraction: a hybrid study combining echocardiography and magnetic resonance imaging, Cardiovasc Ultrasound, 8, 1 Sebastian, 2012, Acute regional improvement of myocardial function after interventional transfemoral aortic valve replacement in aortic stenosis: a speckle tracking echocardiography study, Cardiovasc Ultrasound, 10, 1 Kjetil, 2008, Left ventricular systolic and diastolic function in asymptomatic patients with moderate aortic stenosis, Am J Cardiol, 102, 897, 10.1016/j.amjcard.2008.07.001 Erwan, 2011, Impact of aortic stenosis on longitudinal myocardial deformation during exercise, Eur J Echocardiogr, 12, 235, 10.1093/ejechocard/jeq187 Betül, 2013, Subclinical left ventricular systolic dysfunction in patients with severe aortic stenosis: a speckle tracking and real time three dimensional echocardiographic study, JACC, 62, 26 Delgado, 2009, Strain analysis in patients with severe aortic stenosis and preserved left ventricular ejection fraction undergoing surgical valve replacement, Eur Heart J, 30, 3037, 10.1093/eurheartj/ehp351 Kearney, 2009, Myocardial strain imaging with speckle tracking echocardiography detects subclinical myocardial dysfunction in subjects with aortic stenosis, Heart Lung Circ, 18S, S1 Aleksander, 2013, Longitudinal left ventricular 2D strain is superior to ejection fraction in predicting myocardial recovery and symptomatic improvement after aortic valve implantation, Int J Cardiol, 167, 2239, 10.1016/j.ijcard.2012.06.012 Adam, 2013, Speckle tracking echocardiography derived 2-dimensionalmyocardial strain predicts left ventricular function and mass regression in aortic stenosis patients undergoing aortic valve replacement, Int J Cardiovasc Imaging, 29, 797, 10.1007/s10554-012-0160-z Seung, 2013, Early detection of subclinical ventricular deterioration in aortic stenosis with cardiovascular magnetic resonance and echocardiography, J Cardiovasc Magn Reson, 15, 1 Frank, 2009, Impact of myocardial fibrosis in patients with symptomatic severe aortic stenosis, Circulation, 120, 577, 10.1161/CIRCULATIONAHA.108.847772 Cramariuc, 2010, Myocardial deformation in aortic valve stenosis: relation to left ventricular geometry, Heart, 96, 106, 10.1136/hrt.2009.172569 Jutta, 2010, Correlation of N-terminal pro B-type natriuretic peptide and speckle tracking derived longitudinal strain in severe asymptomatic aortic stenosis, JACC, 55, 821