1Buckberg G. Basic science review: the helix and the heart [J]. J Thorac Cardiovasc Surg, 2002,124 (5) : 863-883.
2Takeuchi M,Nakai H,Kokumai M,et al. Agerelated changes in left ventricular twist assessed by two-tracking imaging[J]. J Am Soe Echocardiogr,2006,19(9):1077-1084.
3Notomi Y,Lysyansky P,Shiota T,et al. Measurement of ven- tricular torsion by two-dimensional ultrasound speckle track- ing imaging[J]. J Am Coil Cardiol,2005,45(12) :2034-2041.
5Hui L,Pemberton J, Hickey E,et al. The contribution of left ventri cular muscle bands to left ventricular rotation:assess- ment by a 2-dimensional speckle tracking method[J]. J Am Soc Echocardiozr,2007,20 (5) : 486-491.
9Sutherland GR, Di Salvo G,Claus P, et al. Strain and strain rate imaging: a new clinical approach to quantifying regional myocardial function[J]. J Am Soc Echocardiogr, 2004, 17 (7) :788-802.
10Voigt JU, Arnold MF, Karlsson M, et al. Assessment of regional longitudinal myocardial strain rate derived from Dopple myocardial imaging indexes in normal and infracted myocardium. J Am Soc Echocardiogr, 2000,13 : 588-598.
4Abroad H, Mor-Avi V, Lang RMet al.Assessment of right ventricular function using echocardiographic speckle tracking of the tricuspid an- nular motion: comparison with cardiac magnetic resonance[J].Echocar- diography,2012,29( 1): 19-24.
5Xu J, Peng Y, Li C, et al. Feasibility of assessing cardiac systolic func- tion using longitudinal fractional shortening calculated by two-dimen- sional speckle tracking echocardiography[J]. Echocardiography,2011,28 (4):402-407.
6Saito M, Okayama H, Yoshii T, et al. Clinical significance of global two-dimensional strain as a surrogate parameter of myocardial fibrosis and cardiac events in patients with hypertrophic cardiomyopathy[J].Eur Heart J Cardiovasc Imaging,2012,13(7):617-623.
7Feld Y,Dubi S,Reisner Y,et al. Energy transfer from systole todiastole: a novel device-based approach for the treatment of diastolicheart failure [J]. Acute Card Care,2011,13(4) : 232-242.
8Jia DL, Ma CY, Liu S,et al.Evaluation of left ventricular twist in acute myocardial infarction patients using speckle tracking imaging [J].Cell Biochem Biophys,2011,61(3):673-678.
9CerqueiraMD, WeissmanNJ, DilsizianV, et al. Standard- ized my-ocardial segmentation and nomenclature for to- mographic imaging of the heart: a statement for health care professionals from the cardiacimaging committee of the council on clinical cardiology of theAmerican Heart Association[J]. Circulation, 2012,105 (10) : 539- 542.
10Pirat B, McCulloch ML, Zoghbi WA. Evaluation of global and re-gional right ventricular systolic function in patients with pulmonaryhypertension usinga novel speckle tracking method[J]. Am J Car-diol, 2010, 98 (12) : 699-704.