Abstract: [Abstract] Objective:To identify the risk factors of misplacement of subclavian vein catheterization (SVC) into ipsilateral internal jugular vein(IJV). Methods:From January 2011 to December 2012, subclavian vein catheterization was successfully performed with Seldinger method in 178 patients in Department of Surgical intensive care unit, Renji Hospital Affiliate of Shanghai Jiaotong University Medical School.The patients’ sex、age、paracentesis side、paracentesis site、direction of puncture needle,、direction of puncture needle bevel、Direction of the J-Tip of the guidewire、position of the head during puncture were recorded.They were subjected to single factor analysis,then independent risk factors were determined with multivariate stepwise non-conditional logstic regression analysis of subclavian venous catheterization into ipsilateral internal jugular vein. Results: single factor analysis showed that subclavian venous catheterization into ipsilateral internal jugular vein had no relation with sex(P=0.504)、age(P=0.504)、paracentesis site(P=0.012)、direction of puncture needle(P=0.370)、direction of puncture needle bevel(P=0.670),but had relation with paracentesis side(P=0.012)、paracentesis site(P=0.012)、direction of the J-Tip of the guidewire(P=0.000)、position of the patient head(P=0.030).Multivariate stepwise non-conditional logistic regression analysis showed that on the right side of subclavian venous catheterization〔odds ratio(OR)=55.373,95% confidence interval(CI):5.145~595.845,X2=10.965, P=0.001〕、J-Tip of the guidewire toward to internal jugular vein(OR=24.116,95% CI:6.848~84.918,X2=24.558, P=0.000)、the head to the contralateral of puncture(OR=3.681,95% CI:1.210~11.199,X2=5.268, P=0.022)were independent factors. A total of 29 cases ( 16.29% ) of patients entered ipsilateral internal jugular vein during subclavian venous catheterization. Conclusion: catheter misplacement into the ipsilateral internal jugular vein is common with the subclavian venous catheterization.The risk factor of the catheter misplacement into ipsilateral internal jugular vein are on the right side of subclavian venous catheterization、J-Tip of the guidewire toward to internal jugular vein、the head to the contralateral of puncture.
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