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. 2021 Jan;10(1):96–112. doi: 10.21037/acs-2019-mv-169

Figure 2.

Figure 2

Dimensions of a surgical bioprosthetic valve and true internal diameter (ID). (A) Inflow aspect of the bioprosthesis of a pericardial valve (dimension A: stent frame outer diameter, dimension B: stent frame inner diameter and dimension D: external diameter of sewing ring). (B) Effect of porcine leaflets on ID, stent ID is reduced by at least 2 mm (true ID porcine valves = stent ID – 2 mm). (C) Effect of pericardial leaflets on ID, stent ID is reduced by at least 1 mm (true ID pericardial valves = stent ID − 1 mm)