Biomechanical properties of ruptured versus electively repaired abdominal aortic aneurysm wall tissue Elena S. Di Martino, PhD, Ajay Bohra, MS, Jonathan.

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Biomechanical properties of ruptured versus electively repaired abdominal aortic aneurysm wall tissue Elena S. Di Martino, PhD, Ajay Bohra, MS, Jonathan P. Vande Geest, BS, Navyash Gupta, MD, Michel S. Makaroun, MD, David A. Vorp, PhD Journal of Vascular Surgery Volume 43, Issue 3, Pages 570-576 (March 2006) DOI: 10.1016/j.jvs.2005.10.072 Copyright © 2006 The Society for Vascular Surgery Terms and Conditions

Fig 1 The location of harvest for the abdominal aortic aneurysm (AAA) tissue is indicated on a schematic representation of an aneurysm. Journal of Vascular Surgery 2006 43, 570-576DOI: (10.1016/j.jvs.2005.10.072) Copyright © 2006 The Society for Vascular Surgery Terms and Conditions

Fig 2 Stress-stretch curve for one generic tensile test. UTS, Ultimate tensile strength; TMmax, maximum tangential modulus; TM100, tangential modulus corresponding to a pressure of 100 mm Hg; UStr, ultimate stretch. Journal of Vascular Surgery 2006 43, 570-576DOI: (10.1016/j.jvs.2005.10.072) Copyright © 2006 The Society for Vascular Surgery Terms and Conditions

Fig 3 Correlation between the diameter of the aneurysm and the ultimate tensile strength (UTS). The Spearman correlation coefficient showed no statistical significance (P = .55). The regression line is shown for all data in the plot. eAAA, elective abdominal aortic aneurysm; rAAA, ruptured abdominal aortic aneurysm. Journal of Vascular Surgery 2006 43, 570-576DOI: (10.1016/j.jvs.2005.10.072) Copyright © 2006 The Society for Vascular Surgery Terms and Conditions

Fig 4 Correlation between tissue thickness and ultimate tensile strength (UTS). The regression line is shown for all data in the plot. eAAA, elective abdominal aortic aneurysm; rAAA, ruptured abdominal aortic aneurysm. Journal of Vascular Surgery 2006 43, 570-576DOI: (10.1016/j.jvs.2005.10.072) Copyright © 2006 The Society for Vascular Surgery Terms and Conditions

Fig 5 Correlation between maximum tangential modulus (TMmax) and ultimate tensile strength (UTS). The regression line is shown for all data in the plot. Journal of Vascular Surgery 2006 43, 570-576DOI: (10.1016/j.jvs.2005.10.072) Copyright © 2006 The Society for Vascular Surgery Terms and Conditions