Abstract：Objective: To explore the factors associated with failure of central venous catheterization under ultrasound guidance and to conduct logistic regression analysis in order to reduce its failure rate. Methods: A retrospective analysis of 322 patients with central venous catheterization under ultrasound guidance from January 2014 to December 2016 was conducted' The main factors that lead to the failure of the catheterization were analyzed, and the single factor analysis and multivariate logistic regression analysis were performed. Results: ① In the 322 patients who underwent central venous catheterization under ultrasound guidance, 262 patients (81.37%) had successful initial catheterization, and 60 patients (18.63%) were failed. ② The results of single factor analysis showed that 8 factors including sex, age, blood vessel diameter, vascular location, edema, position, operator's working life, knowledge education and mental nursing before catheterization were all related to the failure of ultrasound guided central venous catheterization (P<0.05). ③ Logistic regression analysis showed that the factors such as sex, blood vessel diameter, vascular location, position and other factors were the risk factors for the failure of the central venous catheterization under ultrasound guidance (P<0.05). Conclusion: Ultrasound guided central venous catheterization has a certain failure rate, there are many factors affecting the failure of venous catheterization. Therefore, pertinent measures should be taken to prevent and correct so as to improve the success rate of central venous catheterization under ultrasound guidance.
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2019, Vol. 25 
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