Hoffmeister H M, Pirschel J
Radiologe. 1986 Aug;26(8):401-9.
To determine the radiographic appearance of prosthetic heart valves 15 different models were investigated in situ. Fluoroscopy with detail radiographs and standard chest-radiographs were used for identification of the specific type of the prosthesis, for determination of details of the valve apparatus and for evaluation of the motion of the valve disc/ball. Fluoroscopy and routine radiographs provided sufficient information to identify all prosthetic heart valves with exception of the Xenomedica bioprosthesis. If radiopaque material was used for the valve disc/ball, fluoroscopic assessment of the function of the valve was possible. Thus, in most types of disc or ball valves the opening/closing of the valve can be visualized, whereas in bioprosthesis a radiological determination of the mechanical function is not possible.
为确定人工心脏瓣膜的放射影像学表现，对15种不同型号的瓣膜进行了原位研究。利用荧光透视检查、详细的X光片和标准胸部X光片来识别假体的具体类型，确定瓣膜装置的细节，并评估瓣膜盘/球的运动情况。荧光透视检查和常规X光片提供了足够的信息，除Xenomedica生物假体之外，可识别所有的人工心脏瓣膜。如果瓣膜盘/球使用了不透射线的材料，就可以通过荧光透视检查评估瓣膜功能。因此，在大多数类型的盘形或球形瓣膜中，瓣膜的打开/关闭情况可以可视化，而对于生物假体，无法通过放射学手段确定其机械功能。
