我国磁辅助快速肝脏移植创新技术 创造“无肝期”新纪录

2019-05-31 蔺娟 新华社

西安交通大学第一附属医院教授吕毅带领的肝胆外科肝移植团队和外科梦工场团队共同实施一例磁辅助快速肝移植术,将肝移植手术的“无肝期”由国际上报道的30到40分钟缩短至9分50秒,创造了新的世界纪录。

西安交通大学第一附属医院教授吕毅带领的肝胆外科肝移植团队和外科梦工场团队共同实施一例磁辅助快速肝移植术,将肝移植手术的“无肝期”由国际上报道的30到40分钟缩短至9分50秒,创造了新的世界纪录。

吕毅介绍,肝移植作为腹部外科最大的手术,其核心在于“种肝”过程。简单地说就是当病肝被去掉,新肝进入受体腹腔后要完成肝脏附属管道的吻合重建。其中从病变肝脏的门静脉、肝上下腔静脉、肝下下腔静脉切断到新肝脏和患者的门静脉、肝上下腔静脉、肝下下腔静脉吻合完成并开通血流的这段时间被称为“无肝期”。“无肝期”持续时间越久,术后同种异体移植功能障碍和急性肾损伤的发生率越高。

目前国际上在肝移植过程中,对肝脏大血管包括门静脉、肝上下腔静脉、肝下下腔静脉的吻合均采用手工缝线吻合。即使是缝合技能很高的外科医生,完成上述血管吻合也需要30分钟左右。传统方法对“无肝期”的缩短已达能力极限。

经过吕毅团队十余年的探索、研究和攻关,外科梦工场研发的第四代血管吻合磁环成功应用于临床。在肝移植手术中,只需要在患者身上切断的三处静脉末端套上磁环,等待移植肝脏的静脉在修肝的同时也会套上磁环,借助磁的吸力,便可快速实现肝脏静脉吻合、血流贯通,大幅缩短“无肝期”时间。目前,在技术越来越成熟的基础上,吕毅团队的目标是将“无肝期”缩短至3到5分钟。

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    2019-06-11 1831e99354m

    太牛了

    0

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