As the techniques to connect percutaneous coronary intervention (PCI) balloons and the inflation syringe vary in the instructions for use and in practice, we measured the amount of air in PCI balloons after testing three connection methods to an inflation syringe. Following the preparation using one of the three methods, 114 balloons and stent balloons were tested four times. Method 1 connected the syringe and the balloon catheter directly after purging and filling the lumen, while method 3 omitted the purging and filling process. With method 2, the catheter lumen was purged, filled and fully vented via a three-way valve. The primary endpoint answered whether air remained in the balloon, and if so, the secondary endpoint indicated the total volume of remaining air. The connection with a three-way valve achieved significantly less air in the inflated balloon as compared with either direct connection approach (27% vs. 44% and 51%; p = 0.015). For the direct connection, no significant difference between purging and filling the lumen prior to making the connection or not existed. According to these findings, the best method to connect a PCI balloon to the inflation syringe while removing air involves using a three-way valve.

译文

由于连接经皮冠状动脉介入治疗 (PCI) 球囊和充气注射器的技术在使用说明书和实践中有所不同,我们在测试了三种与充气注射器的连接方法后测量了PCI球囊中的空气量。在使用三种方法之一制备之后,测试114球囊和支架球囊四次。方法1在吹扫和填充管腔后直接连接注射器和球囊导管,而方法3省略了吹扫和填充过程。使用方法2,通过三通阀清除,填充并完全排出导管腔。主要终点回答了气球中是否残留有空气,如果是,则次要终点指示剩余空气的总体积。与任一直接连接方式 (27% 相对于44% 和51%; p = 0.015) 相比,与三通阀的连接显著减少了充气气球中的空气。对于直接连接,在进行连接之前或不存在清除和填充管腔之间没有显着差异。根据这些发现,在去除空气的同时将PCI气球连接到充气注射器的最佳方法是使用三通阀。

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