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The Carina as a Landmark for Evaluation of Adequate Central Catheter Tip Position with Computerized Tomography
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Il Woo Shin, Mi Young Park, Ju Young Choi, Ju Tae Sohn, Heon Keun Lee, Young Kyun Chung
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Korean J Crit Care Med. 2006;21(1):37-41.
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 Abstract
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- BACKGROUND
The aim of this study was to determine whether the carina can be used as a landmark for evaluation of adequate central catheter tip position, and to examine the relationship between easily measurable body size and variable anatomical parameter.
METHODS
The SVC dimensions and relationship to radiographic landmarks were retrospectively determined from computerized tomography (CT) scans of 200 patients. The CT findings were assessed in terms of SVC length (SVCL), the distance between the carina and the right atrium inlet (CAL), and the sternal length (STL). Pearson's correlation and a regression test for height versus SVCL, STL versus SVCL and CAL were performed.
RESULTS
The median length of the SVC was 4.2 cm (range; 1.6 to 7.2 cm) and the distance between the carina and the right atrium inlet was 2.4 cm (range; 0.8 to 5.6 cm). With the regression test, height was correlated with SVCL (r(2)=0.09), and STL was correlated with both SVCL (r(2)=0.12) and STL (r(2)=0.04).
CONCLUSIONS
The carina was located always above the right atrium inlet. The carina was a reliable, simple anatomical landmark for the determination of correct placement with computerized tomography.
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Right Internal Jugular Venous Thrombosis Occurred after Long-term Placement of Hemodialysis Catheter Inserted Via Right Subclavian Vein: A Case Report
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Mi Young Park, Il Woo Shin, Ju Tae Sohn, Heon Keun Lee, Young Kyun Chung
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Korean J Crit Care Med. 2003;18(2):80-83.
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Abstract
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- Central venous catheter-related venous thrombosis is one of the most important complications occurred after central venous catheterization. Forty six year old man had end-stage renal failure due to diabetes mellitus. Temporary hemodialysis catheter was inserted via right subclavian vein. Thirty days after hemodialysis catheter insertion, the patient presented with right neck swelling and difficulty to aspirate blood from hemodialysis catheter. Venography showed right internal jugular vein thrombosis. We report a case in which a patient developed right internal jugular vein thrombosis after long-term placement of temporary hemodialysis catheter.
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