Walker D K, Scotten L N, Modi V J, Brownlee R T
J Thorac Cardiovasc Surg. 1980 May;79(5):680-8.
The performance of five prosthetic mitral valves (Ionescu-Shiley, Hancock, Carpentier-Edwards, Starr-Edwards, and Björk-Shiley), all of the same nominal size (29 mm), has been assessed in a hydromechanical simulation of the left heart at three pulse rates. The mean and maximum transvalvular pressure differences, the observed and/or calculated area, and the energy loss for each valve were compared. It was found that each measure of performance rates the valves in the same order or merit, with the Ionescu-Shiley valve performing the best and the Hancock the worst among the valves tested.
对五个标称尺寸均为29毫米的人工二尖瓣（伊奥内斯库 - 希利瓣、汉考克瓣、卡彭蒂埃 - 爱德华兹瓣、斯塔尔 - 爱德华兹瓣和比约克 - 希利瓣），在左心的流体力学模拟中于三种脉率下进行了评估。比较了每个瓣膜的平均和最大跨瓣压差、观察到的和/或计算出的面积以及能量损失。结果发现，各项性能指标对瓣膜的排序相同或相近，在所测试的瓣膜中，伊奥内斯库 - 希利瓣性能最佳，汉考克瓣最差。
