置管侧肢体活动对PICC尖端位置影响的研究(2)
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综上所述,笔者认为新生儿PICC置管后完全可以用超声定位来代替X线定位,新生儿PICC置管位置要准确,最佳位置是导管尖端位于上腔静脉的中下1/3,就是上腔静脉与右心房交汇处上方0.6~1.0 cm,导管尖端随着上肢活动在上腔静脉内有所移动,不会引起导管的异位。而对于成人PICC是否会因为肢体活动而引起导管位置变化,还需要进一步进行相关研究。
[参考文献]
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(收稿日期:2014-01-20 本文编辑:魏玉坡)
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