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首页> 外文期刊>Journal of biomedical materials research. Part B, Applied biomaterials. >Poly (2-hydroxyethyl methacrylate) particles for management of hemorrhage of complicated origin: treatment of hemobilia.
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Poly (2-hydroxyethyl methacrylate) particles for management of hemorrhage of complicated origin: treatment of hemobilia.

机译:聚(2-羟乙基甲基丙烯酸酯)颗粒,用于管理复杂起源的出血:血密治疗。

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摘要

Poly (2-hydroxyethyl methacrylate) (PHEMA) particles of cylindrical and spherical shape were developed as a preparation for tumor treatment or control of hemorrhage by blocking their blood supply. In this report, PHEMA particles were used for the management of hemobilia, that is, bleeding into biliary passages. The origin of hemobilia in 31 patients was localized by selective angiography. With the objective of prophylaxy of hemorrhage, selective embolization with PHEMA particles of the branches of the hepatic artery responsible for the supply of blood to the focus of damage was used in 18 patients. This low-trauma method allowed either a complete control of bleeding or, at least, intraoperative blood loss was reduced more than twice. Histological investigation of the occluded blood vessels showed that the thrombus was attached to the particles and was reinforced by the porous structure of the polymer. A hypercoagulation reaction was observed in the postembolization period. This allowed correction of the hypocoagulation in the hemostasis system.
机译:圆柱形和球形颗粒的聚(2-羟乙基甲基丙烯酸酯)(PHEMA)颗粒作为肿瘤治疗或通过阻塞血液供应来控制出血的制剂。在本报告中,PhEMA颗粒用于血栓管理,即流入胆道通道。 31例患者的血别恐怖症起源是通过选择性血管造影定位的。凭借预防出血的目的,在18名患者中使用了负责血液供应血液的肝动脉的分枝粒子的选择性栓塞。这种低创伤方法允许完全控制出血,或者至少,至少,术中失血减少了两次。闭塞血管的组织学研究表明,血栓连接到颗粒上,并通过聚合物的多孔结构加强。在后期后期观察到高凝反应。这允许纠正止血系统中的次杀率。

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