新型便携式体外膜肺氧合动物实验在体安全性和有效性研究Study on the safety and efficacy of novel portable extracorporeal membrane oxygenation in animal experiments in vivo
翟蒙恩,罗建超,卢林鹤,任雨超,金屏,刘振华,杨剑,金振晓,刘金成,刘洋
摘要(Abstract):
目的 本研究旨在验证一种自主研发的新型便携式体外膜肺氧合(ECMO)系统(西京高级生命支持系统JC-Ⅲ型)在大动物体内的安全性和有效性。方法 共计10只健康小尾寒羊通过颈动脉-颈静脉插管方式进行静脉-动脉体外膜肺氧合(VA-ECMO)支持,以评价JC-Ⅲ型ECMO系统的性能。通过持续输注肝素实现全身抗凝,转机过程中每2 h记录1次活化凝血时间(ACT),维持ACT在200~250 s之间;离心泵转速设定在3 000~3 500 r/min。分别于ECMO启动前和启动后24 h监测血红蛋白、血细胞计数、凝血、肝肾功能、心肌损伤等指标变化情况,实验结束后解剖泵头和氧合器,探查血栓形成情况。结果 VA-ECMO手术成功率为100%,ECMO转机24 h,流量波动于1.9~2.5 L/min,未发生溶血、泵头血栓、膜肺血栓。ECMO转机前后血红蛋白含量、白细胞计数、血小板计数、谷丙转氨酶、谷草转氨酶、尿素、肌酐、高敏肌钙蛋白I、N末端B型脑钠肽前体等指标差异均无统计学意义(均P>0.05)。结论 本在体动物实验证实了西京高级生命支持系统JC-Ⅲ型的安全性和有效性。
关键词(KeyWords): 便携式体外膜肺氧合;西京高级生命支持系统JC-Ⅲ型;大动物实验;安全性;有效性
基金项目(Foundation): 国家自然科学基金项目(82370375);; 陕西省重点研发计划项目(2024SF-YBXM-428、2023-YBSF-105);; 空军军医大学校级课题项目(KJ2023C0KYD31)
作者(Author): 翟蒙恩,罗建超,卢林鹤,任雨超,金屏,刘振华,杨剑,金振晓,刘金成,刘洋
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