A better landmark for positioning a central venous catheter

被引：45

作者：

Caruso L.J. ^{[1
]}

Gravenstein N. ^{[1
,3
]}

Layon A.J. ^{[1
,4
,5
]}

Peters K. ^{[2
]}

Gabrielli A. ^{[1
,4
]}

机构：

[1] Department of Anesthesiology, University of Florida, College of Medicine, Gainesville, FL 32610-0254

[2] Department of Radiology, University of Florida, College of Medicine, Gainesville, FL 32610-0254

[3] Department of Neurosurgery, University of Florida, College of Medicine, Gainesville, FL 32610-0254

[4] Department of Surgery, University of Florida, College of Medicine, Gainesville, FL 32610-0254

[5] Department of Medicine, University of Florida, College of Medicine, Gainesville, FL 32610-0254

来源：

Journal of Clinical Monitoring and Computing | 2002年 / 17卷 / 06期

关键词：

Cardiac tamponade; Catheter position; Central venous catheter (CVC); Chest radiography (CXR); Landmarks; Pericardial reflection;

D O I：

10.1023/A:1024286119090

中图分类号：

学科分类号：

摘要：

Background. Improper positioning of central venous catheters (CVCs) can lead to erosion through the superior vena cava (SVC) or right atrium (RA) and pericardial tamponade. It is widely recommended that the tip of CVCs be placed above the heart or the pericardial reflection. The purpose of this study was to identify an easily recognized landmark to allow identification of the proximal extent of the pericardial reflection on a routine chest radiograph (CXR). Methods. We analyzed the computerized tomograms of the chest from 97 adults to evaluate the relationship between the pericardial reflection, SVC, carina, and right mainstem bronchus. Correlations between demographic data and length of SVC or pericardial reflection were sought. Results. The mean length of the SVC was 6.5 cm. The pericardial reflection covered an average of 3.6 cm of the distal SVC. The carina was a mean of 1.3 cm below the mid-point of the SVC and 0.7 cm below the pericardial reflection. There was no significant correlation between SVC or pericardial length and either age, height, or weight. Conclusions. The distal half of the SVC lies within the pericardial reflection, and the upper limit of the pericardial reflection is slightly above the level of the carina. These landmarks are useful for determining proper position of the tip of a CVC on CXR.

引用

页码：331 / 334

页数：3

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