Figure 4.

CT images taken 24 weeks after the surgery(i.e.,shortly before the sample harvest.) (A) A PU graft showing excellent patency, smooth internal wall, and absence of stenosis. (B) A PTFE graft showing patency, yet clear stenosis at the distal anastomotic site (marked with white arrow).

Hu et al. BMC Cardiovascular Disorders 2012 12:115   doi:10.1186/1471-2261-12-115
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