3Tan YT, Wenzel burger F, Lee E, et al. The pathophysiology of heart failure with normal ejection fraction: exercise echocardiography reveals complex abnormalities of both systolic and diastolic ventricular function involving torsion, untwist, and longitudinal motion[J]. J Am Coli Cardiel, 2009, 54(1): 36-46.
4Gorcsan J 3rd, Tanabe M, Bleeker GB, et al. Combined longitudinal and radial dyssynchrony predicts ventricular response after resynchronization therapy[J]. JAm Coli Cardiol, 2007, 50(15): 1476-1483.
5Bellavia D, Abraham TP, Pellikka PA, et a1. Detection of left ventricular systolic dysfunction in cardiac amyloidosis with strain rate echocardiography[J]. J Am Soc Echocardiogr, 2007, 20(10): 1194-1202.
7Wen H, Liang Z, Zhao Y, et al. Feasibility of detecting early left ventricular systolic dysfunction using global area strain: a novel index derived from three-dimensional speckle-tracking echocardiography[J]. Eur J Echocardiogr, 2011, 12(12): 910-916.
8Torrent-Guasp F, Buckberg GD, Clemente C, et al. The structure and function of the helical heart and its buttress wrapping. 1. The normal macroscopic structure of the heart[J]. Semin Thorac Cardiovasc Surg, 2001,13(4): 301-319.
9Buckberg G, Hoffman Jl, Nanda NC, et al. Ventricular torsion and untwisting: further insights into mechanics and timing interdependence: a viewpoint[J]. Echocardiography, 2011, 28(7): 782-804.
10Amundsen BH, Helle-Valle T, Edvardsen T, et a!. Noninvasive myocardial strain measurement by speckle tracking echocardiography: validation against sonomicrometry and tagged magnetic resonance imaging[J]. JAm Coil Cardiol, 2006,47(4): 789-793.
3Yu CM, Lin H, Zhang Q, et al. High prevalence of left ventricular systolic and diastolic asynchrony in patients with congestive heart failure and normal QRS duration. Heart, 2003,89 : 54-60.
4Sogarrd P, Henrik E, Kim WY, et al. Tissue Doppler imaging predicts improved systolic performance and reversed left ventricular remodeling during long-term cardiac resynchronization therapy. J Am Coll Cardiol, 2002,40 : 723-730.
6Delgado V, Ypenburg C, Bommel RJ, et al. Assessment of left ventricular dyssynchrony by speckle tracking strain imaging comparison between longitudinal, circumferential, and radial strain in cardiac resynchronization therapy. J Am Coll CardioI, 2008,51 : 1944- 1952.
7Suffoletto MS, Dohi K, Cannesson M, et al. Novel speckle-tracking radial strain from routine black-and-white echocardiographie images to quantify dyssynchrony and predict response to cardiac resynehronization therapy. Circulation, 2006,113 : 960-968.
8Ito K,Noma M,Mohri M,et al.Mitral annulus displacement measured by tissue-tracking method with Doppler-tissue images is a useful marker of the severity of heart failure.J Cardiol,2007,50(3):159-166.
9Torrent-Guasp F,Kocica MJ,Corno AF,et al.Towards new understanding of the heart structure and function.Eur J Cardiothorac Surg,2005,27(2):191-201.
10Langeland S,D'Hooge J,Wouters PF,et al.Experimental validation of a new ultrasound method for the simultaneous assessment of radial and longitudinal myocardial deformation independent of insonation angle.Circulation,2005,112(14):2157-2162.
2NORTH B J ,SINCLAIR D A. The intersection between aging and cardiovascular disease[J]. Circ Res ,2012,110(8) :1097-108.
3SCIANCALEPORE M A, MAFFESSANTI F, PATEL A R, et al. Three- dimensional analysis of interventricular septal cur-vature from cardiac magnetic resonance images for the evalua- tion of patients with pulmonary hypertension [ J ]. Int J Card- iovase Imaging ,2012,28 ( 5 ) : 1073-1085.
