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KMID : 0904020120280030126
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Journal of Korean Society for Vascular Surgery
2012 Volume.28 No. 3 p.126 ~ p.132
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Measurement of Length between Bronchial Carina and Superior Vena Cava-right Atrial Junction for Optimal Positioning of Central Venous Catheters in the Korean Adult Population
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Hong Jung-Bum
Shin Eun-Ho
Kim Young-Gyun
Park Ji-Sun
Kim Jang-Yong
Jeon Yong-Sun
Cho Soon-Koo
Hong Kee-Chun
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Abstract
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Purpose: Bronchial carina (BC) is one of the landmarks often used during central venous catheter (CVC) insertion. The aim of this study is to measure the superior vena cava (SVC) length and the length between the BC and the SVC-right atrial junction (LBCSAJ), using chest computed tomography (CT) scans in the Korean adult population, and to review the optimal location for the catheter tip, during CVC access using BC.
Methods: The study subjects were 238 consecutive subjects who underwent a chest CT scan with contrast and 5 mm thickness, in Inha University Hospital, between January 2010 and December 2011. Subjects who had any lung disease were excluded before enrollment. The subjects’ clinical characteristics and imaging data were reviewed. The SVC length and LBCSAJ was measured at a 3-dimension workstation (Osirix).
Results: The mean age was 56.69±4.83 years, mean body weight 61.09±11.12 kg, height 161.72±9.15 cm, and body mass index (BMI) was 23.07±4.45 kg/m2. The mean length of the SVC was 47.67±10.92 mm, and the mean LBCSAJ was 30.80±9.03 mm. Men have a longer SVC and LBCSAJ than women (52.80±10.59 vs. 42.96±8.72, P=0.000). The age and height were significant covariates of the SVC length and the LBCSAJ. BMI was a significant covariate of the LBCSAJ in multivariate analysis.
Conclusion: An understanding of anatomy and the actual length of the SVC in relation to bronchial carina is important for proper placement of a central venous catheter. This study gives its basic characteristics in the Korean adult population.
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KEYWORD
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Central venous catheterization, Anatomic landmarks, Bronchi, Superior vena cava, Heart atria
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