Korean J Anesthesiol.  1986 Feb;19(1):3-7.

Evaluation of CVP Values according to the Location of Catheter

Affiliations
  • 1Department of Anesthesiology, Keimyung University School of Medicine, Taegu, Korea.

Abstract

Central vanous pressure is an extremely useful parameter in the effective monitoring of a patient who is seriously ill. Central venous pressure may be defined as a dynamic measurement of the ability of the right heart and the placement of the catheter in either the right atrium or the superior cava is considered satisfactory. The purpose for this study is to evaluate CVP values according to the placement of the catheter in clinical practice because we have used a short anglocath instead of a long intracath for the measurement of CVP. Ten patients were catheterized with a 20cm in tracathin the right subclavian vein by a supraclavicular approach. AS a control group CVP was measured at 13cm from the puncture site to the tip of catheter which was estimated to be in the right atrium. In the second group, CVP was measured at 8cm which goes the innominate vein and in the fourth group, measured at 5cm which locates in the subclavian vein. Mean values of venous pressures in each location are as follows: The right atrium(13cm from the puncture site): 8.68cm H2O. THe superior vena cava (10cm from the puncture site): 8.69cm H2o/ The innominate vein(8cm from the puncture site): 8.64cm H2O. The subclavian vein (5cm from the puncture site):8.68cm H2O. As a result of this study, we came to the conclusion that the CVP values in all four groups(right atrium, superior vena cava, innominate vein, subclavian vein) are almost the same, so that we can use a short angiocath with no problems for the measurements of CVP which is anchored in the innominate vein or the subclavian vein.


MeSH Terms

Brachiocephalic Veins
Catheters*
Central Venous Pressure
Heart
Heart Atria
Humans
Punctures
Subclavian Vein
Vena Cava, Superior
Venous Pressure
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