+ Site Statistics
+ Search Articles
+ Subscribe to Site Feeds
Most Shared
PDF Full Text
+ PDF Full Text
Request PDF Full Text
+ Follow Us
Follow on Facebook
Follow on Twitter
Follow on LinkedIn
+ Translate
+ Recently Requested

An evaluation of thermodilution cardiac output measurement using the Swan-Ganz catheter

An evaluation of thermodilution cardiac output measurement using the Swan-Ganz catheter

Anaesthesia and Intensive Care 9(3): 208-220

Errors in thermodilution cardiac output measurement were quantitated to determine the order of accuracy of routine measurements performed by unskilled personnel. In vitro and in vivo studies were undertaken to examine factors affecting the volume and temperature of the injectate, catheter thermistor and computer performance, effect of respiration, use of cold (0-4 degrees C) versus ambient temperature (20-25 degrees C) injectate, and the interpretation of measurements. Ambient temperature injectate incurred unacceptably large errors; cold injectate (injections were timed with respiration) produced variations in performance by equipment and personnel which accounted for only 2% of the variation between successive measurements. Real changes in cardiac output and inherent variability of the downslope of the thermal curve, necessitating an empirically based calculation, account for up to 10% variation between successive measurements. When cold injectate was used, and the average of three corrected measurements taken, thermodilution cardiac output measurements were within 10% of a simultaneous dye dilution measurement.

(PDF emailed within 1 workday: $29.90)

Accession: 042242345

Download citation: RISBibTeXText

PMID: 7025698

Related references

Application of the Swan-Ganz catheter and thermodilution cardiac output measurement in cardiac surgery. Kyobu Geka. Japanese Journal of Thoracic Surgery 29(9): 612-617, 1976

Quick fix of bent prongs of the thermodilution cardiac output connector of a Swan-Ganz catheter. Journal of Clinical Anesthesia 17(5): 407-408, 2005

Continuous registration of blood velocity and cardiac output with a hot-film anemometer probe, mounted on a Swan-Ganz thermodilution catheter. European Surgical Research. Europaische Chirurgische Forschung. Recherches Chirurgicales Europeennes 13(5): 376-386, 1981

Comparison of thermodilution cardiac output measurements by injection of the proximal lumen versus side port of the Swan-Ganz catheter. Heart & Lung 14(2): 126-127, 1985

Some aspects of the clinical use of thermodilution in measuring cardiac output. With particular reference to the Swan-Ganz thermodilution catheters. Scandinavian Journal of Clinical and Laboratory Investigation 38(4): 383-388, 1978

Re: "Erroneous cardiac output measurement due to loop formation of a swan-ganz catheter in the pulmonary artery". Journal of Clinical Anesthesia 17(2): 151; Author Reply 151-151; Author Reply 151, 2005

Erroneous cardiac output measurement due to loop formation of a Swan-Ganz catheter in the pulmonary artery. Journal of Clinical Anesthesia 16(3): 235-236, 2004

Usefulness of the Swan-Ganz pacing thermodilution catheter for patients with cardiac disease. Masui. Japanese Journal of Anesthesiology 34(6): 837-841, 1985

Usefulness of swan ganz pacing thermodilution catheter for patients with cardiac disease. Japanese Journal of Anesthesiology 34(6): 837-841, 1985

Assessment of the sterility of long-term cardiac catheterization using the thermodilution Swan-Ganz catheter. Chest 74(4): 377-380, 1978

Comparison of thermodilution cardiac outputs obtained from a centrally placed introducer sheath and from the right atrial port of a swan ganz catheter. Circulation 78(4 PART 2): II2, 1988

Comparison between pulse-indicated continuous cardiac output catheter and Swan-Ganz catheter in evaluating blood volume. Zhongguo Wei Zhong Bing Ji Jiu Yi Xue 24(8): 495-496, 2013

Is the cardiac output obtained from a Swan-Ganz catheter always zero?. Journal of Clinical Monitoring and Computing 22(6): 431-433, 2008

Artifactually low cardiac outputs resulting from a communication between the proximal and distal lumens of an Edwards pacing thermodilution Swan-Ganz catheter. Anesthesiology 68(2): 308-309, 1988

Improvements in determination of cardiac output with a Swan-Ganz catheter. Asaio Transactions 36(3): M684-M686, 1990