X线透视指导下猪心房间隔穿刺方法的探讨Atrial septal puncture in swine guided by X-ray fluoroscopy
马改改,樊锋旭,陈珺,汪堡锟,乔明洋,程康安
摘要(Abstract):
目的 探讨X线透视指导下猪心房间隔穿刺的标准化流程和方法,提高房间隔穿刺的安全性和有效性。方法 在X线透视指导下对48只浦东白猪进行房间隔穿刺,房间隔穿刺点的定位条件:(1)穿刺点高度为后前位透视下沿脊柱中线冠状静脉窦(CS)口上1个椎体高度;(2)以10°为间隔,按照右前斜10°~60°和左前斜10°~60°完成对CS导管的透视,可以判断CS5-6和7-8电极的连线为垂直于卵圆窝的关系,确认CS 5-6和7-8电极在同一直线上的透视角度;(3)在此透视角度下,调整房间隔穿刺针及鞘管远段弧度消失呈直线状或接近直线状。结果 成功对48只浦东白猪进行房间隔穿刺,无并发症发生,术后超声心动图证实房间隔有左向右分流,房间隔穿刺平均手术用时(25.7±11.5)min,平均X线曝光时间(14.0±3.4)min,平均辐射剂量(47.6±20.2)mGy。结论 以CS电极为参考,X线透视指导下行猪心房间隔穿刺安全可靠。
关键词(KeyWords): 房间隔穿刺;猪;X线透视
基金项目(Foundation):
作者(Author): 马改改,樊锋旭,陈珺,汪堡锟,乔明洋,程康安
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