T. V. How, PhD, C. S. Rowe, PhD, G. L. Gilling-Smith, MS, FRCS, P. L

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Presentation transcript:

Interposition vein cuff anastomosis alters wall shear stress distribution in the recipient artery T.V. How, PhD, C.S. Rowe, PhD, G.L. Gilling-Smith, MS, FRCS, P.L. Harris, MD, FRCS Journal of Vascular Surgery Volume 31, Issue 5, Pages 1008-1017 (May 2000) DOI: 10.1067/mva.2000.105961 Copyright © 2000 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 1 Computer-generated models of the ETS and IVC anastomoses. Journal of Vascular Surgery 2000 31, 1008-1017DOI: (10.1067/mva.2000.105961) Copyright © 2000 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 2 Plot of flow waveform used in the experiments. Flow was measured in the graft segment approximately 22 cm proximal to the anastomosis. Journal of Vascular Surgery 2000 31, 1008-1017DOI: (10.1067/mva.2000.105961) Copyright © 2000 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 3 Vector plots in the ETS anastomosis for flow splits (ratio of distal to proximal arterial outflow) of 50:50 and 75:25 at various times during the flow cycle. Flow separation at S and reattachment at R occur on the graft hood during the systolic deceleration phase with a flow split of 50:50. Journal of Vascular Surgery 2000 31, 1008-1017DOI: (10.1067/mva.2000.105961) Copyright © 2000 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 4 Vector plots in the IVC anastomosis for flow splits (ratio of distal to proximal arterial outflow) of 50:50 and 75:25 at various times during the flow cycle. Journal of Vascular Surgery 2000 31, 1008-1017DOI: (10.1067/mva.2000.105961) Copyright © 2000 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 5 Mean WSS distribution in the ETS anastomosis for a flow split of 50:50. The horizontal dashed lines at ± 0.5 N/m2 represent the range of low mean WSS that has been associated with a high increase in MIH by Salam et al.11 Journal of Vascular Surgery 2000 31, 1008-1017DOI: (10.1067/mva.2000.105961) Copyright © 2000 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 6 Mean WSS distribution in the ETS anastomosis for a flow split of 75:25. The horizontal dashed lines at ± 0.5 N/m2 represent the range of low mean WSS that has been associated with a high increase in MIH by Salam et al.11 Journal of Vascular Surgery 2000 31, 1008-1017DOI: (10.1067/mva.2000.105961) Copyright © 2000 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 7 Mean WSS distribution in the IVC anastomosis for a flow split of 50:50. The horizontal dashed lines at ± 0.5 N/m2 represent the range of low mean WSS that has been associated with a high increase in MIH by Salam et al.11 Journal of Vascular Surgery 2000 31, 1008-1017DOI: (10.1067/mva.2000.105961) Copyright © 2000 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 8 Mean WSS distribution in the ETS anastomosis for a flow split of 75:25. The horizontal dashed lines at ± 0.5 N/m2 represent the range of low mean WSS that has been associated with a high increase in MIH by Salam et al.11 Journal of Vascular Surgery 2000 31, 1008-1017DOI: (10.1067/mva.2000.105961) Copyright © 2000 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions