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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: JAMA Surg. 2014 Jul 1;149(7):655–662. doi: 10.1001/jamasurg.2013.5067

Figure 5. Preservation of Endothelial Integrity and Prevention of Intimal Hyperplasia In Vitro in Porcine Saphenous Veins (PSVs) With a Pressure Release Valve (PRV) During Manual Distension.

Figure 5

A, Immediately after distension, PSVs were fixed for endothelial nitric oxide synthase (eNOS) and CD31 immunostaining. B, Organ cultured PSVs were fixed for the Verhoeff-van Gieson stain (VVG) to measure intimal thickness. Arrowheads indicate areas of disruption. Error bars indicate SEM. Scale bar = 100 μm.