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Long-term survivors after valve replacement with a starr-edwards mitral disk valve prosthesis.

机译:用二尖瓣二尖瓣瓣膜置换术置换瓣膜后的长期幸存者。

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摘要

We report four long-term survivors after valve replacement with a Starr-Edwards (S-E) mitral caged-disk valve. A model 6520 disk valve, size 3M, had been used in all of the four patients. Of the four patients, three underwent replacement of the disk valves 23, 24, and 26 years after mitral valve replacement (MVR), respectively. A pacemaker was implanted in the remaining patient 33 years after MVR. The S-E disk valves were considered hemodynamically slightly stenotic compared with modern bileaflet valves. No disk wear was detected in any of the three explanted valves, and in the remaining patient, a noninvasive evaluation of the disk showed that it was functioning normally. These results suggest the favorable long-term durability of the S-E disk valve.
机译:我们报告了用Starr-Edwards(S-E)二尖瓣笼式瓣膜瓣置换瓣膜后的四个长期存活者。在所有四位患者中均使用了型号为2020的6520型碟形阀。在四名患者中,三名分别在二尖瓣置换术(MVR)后23、24和26年进行了椎间盘瓣膜置换术。在MVR术后33年后,在其余患者中植入了起搏器。与现代的双叶瓣相比,S-E瓣膜瓣在血液动力学上略有狭窄。在三个外植瓣膜中的任何一个中均未检测到椎间盘磨损,在其余患者中,对椎间盘进行无创评估表明其功能正常。这些结果表明S-E圆盘阀具有良好的长期耐用性。

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