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首页> 外文期刊>Anaesthesia: Journal of the Association of Anaesthetists of Great Britain and Ireland >Epidural catheter connectors: A laboratory-based comparison of the Portex Tuohy-Borst and EpiFusea? designs
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Epidural catheter connectors: A laboratory-based comparison of the Portex Tuohy-Borst and EpiFusea? designs

机译:硬膜外导管连接器:Portex Tuohy-Borst和EpiFusea在实验室的比较?设计

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摘要

Disconnection of an epidural catheter from its connector may result in patient harm and commonly requires resiting of the epidural. Clamp-connector designs such as the novel Portex EpiFusea? potentially offer an improved safety profile over screw-cap designs such as the Tuohy-Borst, but comparative studies are limited. We therefore compared the tensile strength of EpiFuse and Tuohy-Borst connectors in a laboratory setting. We further sought to establish whether operator modification of the EpiFuse increased its vulnerability to disconnection. The median (IQR [range]) force to induce disconnection was 8.0 (4.1-12.8 [0.0-22.6]) N for Tuohy-Borst connectors and 16.4 (15.2-17.7 [5.7-18.9]) and 15.9 (15.0-16.9 [5.8-18.1]) N for standard and modified EpiFuse connectors, respectively (p < 0.0001). The Tuohy-Borst was also less likely to meet British Standard requirements (13/20 sets vs 19/20 and 20/20, p = 0.002). Modification of the EpiFuse did not affect lumen patency or connection strength. We conclude that under controlled conditions, EpiFuse connectors are superior to Tuohy-Borst connectors.
机译:硬膜外导管与其连接器断开连接可能会导致患者受伤,并且通常需要重新放置硬膜外导管。夹具连接器设计,例如新颖的Portex EpiFusea?与诸如Tuohy-Borst之类的螺帽设计相比,它有可能提供改进的安全性,但比较研究有限。因此,我们在实验室环境中比较了EpiFuse和Tuohy-Borst连接器的拉伸强度。我们进一步寻求确定操作员对EpiFuse的修改是否增加了其断开连接的脆弱性。 Tuohy-Borst连接器引起断开的中值(IQR [范围])力为8.0(4.1-12.8 [0.0-22.6])N,16.4(15.2-17.7 [5.7-18.9])和15.9(15.0-16.9 [5.8)N -18.1])N分别用于标准和改进的EpiFuse连接器(p <0.0001)。 Tuohy-Borst也不太可能达到英国标准的要求(13/20组vs 19/20和20/20,p = 0.002)。 EpiFuse的修改不会影响管腔通畅性或连接强度。我们得出的结论是,在受控条件下,EpiFuse连接器优于Tuohy-Borst连接器。

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