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Beck, Richard
04-13-2005, 01:13 AM
Question regarding Arterial Stretch

I am investigating axial arterial stretch. The literature often refers to in vivo/physiological axial stretch ratios. Examples include stretch ratios from 1.4 to 1.7 in the bovine carotid (von Maltzahn et al., 1984) and a range of 1.1 to 1.4 for the porcine coronary (Pandit et al., 2005). I am asking for clarification on how longitudinal physiological stretch is defined/measured (especially in humans). Is there a single reference that establishes methods for measuring in vivo longitudinal stretch?
Any guidance in this matter would be greatly appreciated.

Regards,
Richard Beck
Research Student
Cleveland Clinic Foundation

von Maltzahn, W. W., Warriyar, R. G., Keitzer, W. F., 1984. Experimental measurements of elastic properties of media and adventitia of bovine carotid arteries. Journal of Biomechanics 17 (11), 839-847.

Pandit, A., Lu, X., Wang, C., Kassab, G. S., 2005. The biaxial elastic material properties of porcine coronary media and adventitia. American Journal of Physiology Heart and Circulatory Physiology (ahead of print at AJP website)


















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