...针 静脉炎 留置时间 [gap=912]Key Words: pre-hospital emergency, venous indwelling needle, phlebitis,the indwelling time ...
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Then the indwelling time and tube-blocking rate were observed.
观察留置时间与堵管率。
Results The indwelling time was not affected by the senses and injuection(P>0.05);
结果留置时间不受神志及穿刺部位的影响（P>0.05）；
The quality of gastric canal was related with the indwelling time and stomach environment.
胃管颜色变黑与留置时间成正相关，与胃内环境关系密切。
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