Biaxial mechanics of the passively overstretched left ventricle

American Journal of Physiology - Heart and Circulatory Physiology

Volumn 272, Issue 5 41-5, 1997, Pages

  Emery, Jeff L ^a   Omens, Jeffrey H ^b   McCulloch, Andrew D ^a  

^a UNIVERSITY OF CALIFORNIA SAN DIEGO   (United States)

^b UNIVERSITY OF CALIFORNIA SAN DIEGO   (United States)

Author keywords

myocardial stiffness; optimization; rat; softening; strain

Indexed keywords

ANIMAL TISSUE; ANISOTROPY; ARTICLE; BIOMECHANICS; EPICARDIUM; HEART LEFT VENTRICLE; HEART LEFT VENTRICLE PRESSURE; HEART MUSCLE; HEART MUSCLE COMPLIANCE; HEART WORK; ISOLATED HEART; MALE; NONHUMAN; PRIORITY JOURNAL; RAT; SHEAR STRESS;

EID: 33751278235     PISSN: 03636135     EISSN: None     Source Type: Journal    
DOI: 10.1152/ajpheart.1997.272.5.h2299     Document Type: Article

References (15)

1. Apstein, C. S., and J. P. Morgan. Cellular mechanisms underlying left ventricular diastolic dysfunction. In: Left Ventricular Diastolic Dysfunction and Heart Failure, edited by W. H. Gaasch and M. M. LeWinter. Philadelphia, PA: Waverly, 1994, p. 3-24.
2. Charney, R. H., S. Takahashi, M. Zhao, E. H. Sonnenblick, and C. Eng. Collagen loss in the stunned myocardium. Circulation. 85: 1483-1490, 1992.
3. Cheng, W., B. Li, J. Kajstura, P. Li, M. S. Wolin, E. H. Sonnenblick, T. H. Hintze, G. Olivetti, and P. Anversa. Stretch-induced programmed myocyte cell death. J. Clin. Invest. 96: 2247-2259, 1995.
4. Costa, K. D., P. J. Hunter, J. S. Wayne, L. K. Waldman, J. M. Guccione, and A. D. McCulloch. A three-dimensional finite element method for large elastic deformations of ventricular myocardium: part II-prolate spheriodal coordinates. J. Biomech. Eng. 118: 464-472, 1996.
5. Detwiler, P. W., A. C. Nicolosi, Z. C. Weng, and H. M. Spotnitz. Effects of perfusion-induced edema on diastolic stress-strain relations in intact swine papillary muscle. J. Thorac. Cardiovasc. Surg. 108: 467-476, 1994.
6. Downing, S., E. Savage, J. Strecher, D. Bogen, G. Tyson, and H. Edmungs. The stretched ventricle - myocardial creep and contractile dysfunction after acute nonischemic ventricular distention. J. Thorac. Cardiovasc. Surg. 104: 996-1005, 1992.
7. Edwards, C. H., J. S. Rankin, P. A. McHale, D. Ling, and R. W. Anderson. Effects of ischemia on LV regional function in conscious dog. Am. J. Physiol. 240 (Heart Circ. Physiol. 9): H413-H420, 1981.
8. Emery, J. L., J. H. Omens, and A. D. McCulloch. An inverse finite element method for determining nonlinear constitutive properties of the intact myocardium. Proc. World Congr. Intl. Union Theor. Appl. Mech. 29th Kyoto, Japan 1996, p. 43.
9. Emery, J. L., J. H. Omens, and A. D. McCulloch. Strain softening in rat left ventricular myocardium. J. Biomech. Eng. 119: 6-12, 1997.
10. Factor, S. M., M. Flomenbaum, M. J. Zhao, C. Eng, and T. F. Robinson. The effects of acutely increased ventricular cavity pressure on intrinsic myocardial connective tissue. J. Am. Coll. Cardiol. 12: 1582-1589, 1988.
11. Forrester, J., G. Diamond, W. Parmley, and H. Swan. Early increase in left ventricular compliance after myocardial infarction. J. Clin. Invest. 51: 598-603, 1972.
12. Fung, Y. C. Biomechanics: Mechanical Properties of Living Tissue. New York: Springer-Verlag, 1993.
13. George, D. T. Mechanics of Cardiac Edema (PhD thesis). Philadelphia: University of Pennsylvania, 1990.
14. Granzier, H. L., and T. C. Irving. Passive tension in cardiac muscle: contribution of collagen, titin, microtubules, and intermediate filaments. Biophys. J. 68: 1027-1044, 1995.
15. Guccione, J. M., A. D. McCulloch, and L. K. Waldman. Passive material properties of intact ventricular myocardium determined from a cylindrical model. J. Biomech. Eng. 113: 42-55, 1991.