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Abstract
The elastic properties of various arterial prostheses were investigated quantitatively
before and after their use as arterial grafts. The elastic behavior of different arterial
substitutes varied widely. Of the synthetic prostheses studied, only the cloth tubes
of the Helanca type had physical properties similar to those of normal arteries. All
“elastic” arterial substitutes tested—homografts, heterografts, and the Helanca type
of synthetic tubes—soon stiffened after implantation. Synthetic prostheses appeared
to stiffen more rapidly after implantation than did the arterial segments tested,
though the process in the latter was virtually complete in 6 months. The volume distensibility
coefficients and tensionlength responses of both implanted synthetic tubes and arterial
segments declined to near those of scar tissue tubes. Evidence is presented to support
the concept that these reductions are caused by the scar tissue which is deposited
about the implanted arterial substitutes.
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References
- The Effect of Blood Pressure on the Extensibility of Human Artery.Heart. 1923; 10: 289
- The Influence of Age, Arteriosclerosis and Homotransplantation Upon the Elastic Properties of Major Human Arteries.Ann. Surg. 1958; 148: 1
- Studies on the Elastic Properties of Human Isolated Aorta.J. Clin. Invest. 1937; 16: 595
- Synthetic Materials as Vascular Prostheses. II. A Comparative Study of Nylon, Dacron, Orlon, Ivalon Sponge and Teflon in Large Blood Vessels With Tensile Strength Studies.Am. J. Surg. 1958; 95: 16
- Hysteresis Loop Behavior of the Aorta and Other Extensible Tissues.Am. J. Physiol. 1955; 180: 83
Article info
Publication history
Received:
February 23,
1959
Footnotes
☆This study was supported in part by a grant from the National Heart Institute of the National Institutes of Health, U.S. Public Health Service, H-2569(C2).
Identification
Copyright
© 1959 Published by Elsevier Inc.
