让不开刀、不用射线治先心病更容易!阜外医院潘湘斌等研发出新型超声导丝

2020-03-04 xunhuan 中国循环杂志

不用射线,也就是在心脏超声的引导下做先心病封堵,可让患者减少了射线照射损害,这是阜外医院潘湘斌团队研发并致力推广的技术。该技术目前已被推广到了20 多个国家和地区。但在超声心动图引导下做手术难度大,学习曲线长。为了降低手术难度,阜外医院潘湘斌团队研发了一种新型超声引导导丝。新型超声专用导丝示意图见图1。结构包括钢丝主体和柔软的镍钛合金梭形弹性头端。导丝头端是用镍钛合金制成的梭形网状结构,可放入5

不用射线,也就是在心脏超声的引导下做先心病封堵,可让患者减少了射线照射损害,这是阜外医院潘湘斌团队研发并致力推广的技术。该技术目前已被推广到了20 多个国家和地区。

但在超声心动图引导下做手术难度大,学习曲线长。为了降低手术难度,阜外医院潘湘斌团队研发了一种新型超声引导导丝。

新型超声专用导丝示意图见下图。结构包括钢丝主体和柔软的镍钛合金梭形弹性头端。导丝头端是用镍钛合金制成的梭形网状结构,可放入5 F或6 F MPA2 导管中,镍钛网宽度8-36 mm。



由于导丝头端体积大,在手术时用超声能够准确定位头端位置。通过选择导丝头端宽度大于房间隔缺损直径的导丝,可以有效地减少导丝和输送系统脱入右心房的机率。

当镍钛合金网在操作过程中遇到阻力时可发生变形,避免导丝头端穿刺损伤心脏组织。

研究入选10 例由心脏超声确诊为单纯房间隔缺损患者,由3名行单纯超声心动图引导下封堵手术不超10例医生在该导丝的帮助下完成手术。

新型超声专用导丝可以在超声下精确定位,安全、有效地引导经皮房间隔缺损封堵术。

平均手术时长仅 20.2 min,导丝从进入股静脉至左心房所需的平均时间仅3.6 min,没有损伤三尖瓣,也没有发生心脏穿孔。

随访至术后6 个月,均无封堵器脱落、残余分流和心包积液等并发症。

来源:李萍,周奇,赵广智,等. 新型导丝在单纯经胸超声心动图引导下经皮房间隔缺损封堵术中的应用.中国循环杂志, 2020,35:156.

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    2020-03-25 lingqf
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    2020-03-06 lqvr
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    2020-03-06 ssnine

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