Objective: to study the diagnosis and management of the rupture of previa blood vessel of velamentous insertion of umbilical cord.
目的：探讨脐带帆状附着前置血管破裂的诊断及处理。
The expression of ET-1 was only found in endothelium of umbilical cord vessel, and it decreased with the serious degree of PIH.
正常晚孕妇女ET - 1在脐带血管的内皮细胞表达，妊高征组随着病情加重，ET - 1表达减弱。
Conclusion The changes of ADM and ET-1 in umbilical cord plasma and vessel may related to regulation of fetoplacental circulation in PIH.
结论：脐血和脐带血管adm和ET - 1表达改变可能与妊高征胎儿胎盘之间血液循环调控有关。
Meanwhile, the mechanics capability of the vessel was measured. The endothelial cells isolated from umbilical cord vein were seeded on the acellular matrix scaffolds by tissue culture in vitro.
采用冷冻干燥和热交联法对脱细胞血管基质进行改性，并进行组织学观察及力学性能测定。
Meanwhile, the mechanics capability of the vessel was measured. The endothelial cells isolated from umbilical cord vein were seeded on the acellular matrix scaffolds by tissue culture in vitro.
采用冷冻干燥和热交联法对脱细胞血管基质进行改性，并进行组织学观察及力学性能测定。
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