Han CB, Yu L, Qian YN, Ding ZN, Jiang JD, Zhou QH, Sun J. Effects of predistention with normal saline containing adrenaline on blood-vessel injury during epidural catheter placement.
J Int Med Res 2012;
39:2302-6. [PMID:
22289547 DOI:
10.1177/147323001103900628]
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Abstract
This study investigated the effects of predistention with normal saline containing adrenaline on vascular plexus injury during epidural catheter placement. Three hundred parturients undergoing caesarean sections were randomly divided into three groups. Group I (n = 102) received an epidural injection with 5 ml normal saline; group II (n = 93) received 5 ml normal saline containing adrenaline (5 μg/ml); group III (n = 100) received direct epidural catheter placement. Five women were excluded from the analysis for technical reasons. The incidence of bloody fluid in the epidural needle was significantly lower in groups I and II compared with group III (eight [7.8%] and seven [7.5%] versus 17 [17.0%], respectively). There were no significant differences in the incidence of bloody fluid in the epidural catheter or in the incidence of intravascular epidural catheter placement between the three groups. Predistention with 5 ml normal saline before catheter insertion reduced the incidence of blood-vessel injury during epidural catheter placement, but adrenaline provided no additional protective effects.
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