Comparison of two techniques for measuring two-dimensional strain in rat left ventricles

American Journal of Physiology - Heart and Circulatory Physiology

Volumn 271, Issue 3 40-3, 1996, Pages

  Omens, Jeffrey H ^a   Farr, Dyan D ^a   McCulloch, Andrew D ^a   Waldman, Lewis K ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

heart; piezoelectric crystals; regional mechanics; systolic strain

Indexed keywords

ANIMAL EXPERIMENT; ARTICLE; EPICARDIUM; HEART CONTRACTION; HEART CYCLE; HEART LEFT VENTRICLE FUNCTION; HEART RATE; HEART VENTRICLE ENDDIASTOLIC PRESSURE; NONHUMAN; PRIORITY JOURNAL; RAT;

EID: 33750696043     PISSN: 03636135     EISSN: None     Source Type: Journal    
DOI: 10.1152/ajpheart.1996.271.3.h1256     Document Type: Article

References (21)

1. Arts, T., P. C. Veenstra, and R. S. Reneman. Epicardial deformation and left ventricular wall mechanics during ejection in the dog. Am. J. Physiol. 243 (Heart Circ. Physiol. 12): H379-H390, 1982.
2. Capasso, J. M., T. Palackal, G. Olivetti, and P. Anversa. Severe myocardial dysfunction induced by ventricular remodeling in the aging rat heart. Am. J. Physiol. 259 (Heart Circ. Physiol. 28): H1086-H1096, 1990.
3. Douglas, A. S., W. C. Hunter, and M. D. Wiseman. Inhomogeneous deformation as a source of error in strain measurements derived from implanted markers in the canine left ventricle. J. Biomech. 23: 331-341, 1990.
4. Guccione, J. M., L. K. Waldman, and A. D. McCulloch. Mechanics of active contraction in cardiac muscle. Part II: Cylindrical models of the systolic left ventncle. J. Biomech. Eng. 115: 82-90, 1993.
5. Hansen, D. E., G. T. Daughters II, E. L. Alderman, N. B. Ingels, Jr., and D. C. Miller. Torsional deformation of the left ventricular midwall in human hearts with intramyocardial markers: regional heterogeneity and sensitivity to the inotropic effects of abrupt rate changes. Circ. Res. 62: 941-952, 1988.
6. Lew, W. Y. W., and M. M. LeWinter. Regional comparison of midwall segments and area shortening in the canine left ventricle. Circ. Res. 58: 678-691, 1986.
7. Manning, W. J., J. Y. Wei, E. T. Fossel, and D. Burstein. Measurement of left ventricular mass in rats using electrocardiogram-gated magnetic resonance imaging. Am. J. Physiol. 258 (Heart Circ. Physiol. 27): H1181-H1186, 1990.
8. McCulloch, A. D., B. H. Smaill, and P. J. Hunter. Left ventricular epicardial deformation in isolated arrested dog heart. Am. J. Physiol. 252 (Heart Circ. Physiol. 21): H233-H241, 1987.
9. McCulloch, A. D., B. H. Smaill, and P. J. Hunter. Regional left ventricular epicardial deformation in the passive dog heart. Circ. Res. 64: 721-733, 1989.
10. Omens, J. H., and J. W. Covell. Transmural distribution of myocardial tissue growth induced by volume overload hypertrophy in the dog. Circulation 84: 1235-1245, 1991.
11. Omens, J. H., D. A. MacKenna, and A. D. McCulloch. Measurement of strain and analysis of stress in resting rat left ventricular myocardium. J. Biomech. 26: 665-676, 1993.
12. Omens, J. H., D. E. Milkes, and J. W. Covell. Effects of pressure overload on the passive mechanics of the rat left ventricle. Ann. Biomed. Eng. 23: 152-163, 1995.
13. Pfeffer, J. M., M. A. Pfeffer, P. J. Fletcher, and E. Braunwald. Progressive ventricular remodeling in rat with myocardial infarction. Am. J. Physiol. 260 (Heart Circ. Physiol. 29): H1406-H1414, 1991.
14. Prinzen, T. T., T. Arts, F. W. Prinzen, and R. S. Reneman. Mapping of epicardial deformation using a video processing technique. J. Biomech. 19: 263-273, 1986.
15. Rudin, M., B. Pedersen, K. Umemura, and W. Zierhut. Determination of rat heart morphology and function in vivo in two models of cardiac hypertrophy by means of magnetic resonance imaging. Basic Res. Cardiol. 86: 165-184, 1991.
16. Taber, L. A., H. Sun, E. B. Clark, and B. B. Keller. Epicardial strains in embryonic chick ventricle at stages 16 through 24. Circ. Res. 75: 896-903, 1994.
17. Van Leuven, S. L., L. K. Waldman, A. D. McCulloch, and J. W. Covell. Gradients of epicardial strain across the perfusion boundary during acute myocardial ischemia. Am. J. Physiol. 267 (Heart Circ. Physiol. 36): H2348-H2362, 1994.
18. Villarreal, F. J., L. K. Waldman, and W. Y. W. Lew. Technique for measuring regional two-dimensional finite strains in canine left ventricle. Circ. Res. 62: 711-721, 1988.
19. Waldman, L. K., Y. C. Fung, and J. W. Covell. Transmural myocardial deformation in the canine left ventricle: normal in vivo three-dimensional finite strains. Circ. Res. 57: 152-163, 1985.
20. Waldman, L. K., and A. D. McCulloch. Nonhomogeneous ventricular wall strain: analysis of errors and accuracy. J. Biomech. Eng. 115: 497-502, 1993.
21. Webster, J. G. (Editor). Medical Instrumentation: Application and Design. Boston, MA: Houghton Mifflin, 1978.