Critical parameter of burst pressure measurement in development of bypass grafts is highly dependent on methodology used Sandip Sarkar, MA, MRCS, Claire.

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Presentation transcript:

Critical parameter of burst pressure measurement in development of bypass grafts is highly dependent on methodology used Sandip Sarkar, MA, MRCS, Claire Hillery, BSc, PhD, Alexander Seifalian, PhD, George Hamilton, MD Journal of Vascular Surgery Volume 44, Issue 4, Pages 846-852 (October 2006) DOI: 10.1016/j.jvs.2006.07.023 Copyright © 2006 The Society for Vascular Surgery Terms and Conditions

Fig 1 Summary of the different burst pressure-measuring techniques. Journal of Vascular Surgery 2006 44, 846-852DOI: (10.1016/j.jvs.2006.07.023) Copyright © 2006 The Society for Vascular Surgery Terms and Conditions

Fig 2 Burst pressures obtained via the different measuring techniques. Data are mean ± SD of six experiments. Keys: *P < .001 vs no latex lining; †P > .05 vs 0.2 mL/min; ‡P < .05 vs 0.2 mL/min; §P > .05 vs 50 mL/min. Journal of Vascular Surgery 2006 44, 846-852DOI: (10.1016/j.jvs.2006.07.023) Copyright © 2006 The Society for Vascular Surgery Terms and Conditions

Fig 3 Subjecting the graft with an interconnected porous structure to intraluminal pressure of 300 mm Hg leads to “sweating” of water through the wall. Journal of Vascular Surgery 2006 44, 846-852DOI: (10.1016/j.jvs.2006.07.023) Copyright © 2006 The Society for Vascular Surgery Terms and Conditions

Fig 4 The aneurysmal point is a more accurate term than burst pressure, defined as the point at which further infusion at the same rate does not result in any increase in pressure (in this case 347 mm Hg). Journal of Vascular Surgery 2006 44, 846-852DOI: (10.1016/j.jvs.2006.07.023) Copyright © 2006 The Society for Vascular Surgery Terms and Conditions