The measurement of right ventricular ejection fraction by thermodilution : a comparison of values obtained using differing injectate ports

Thermodilution measurements of cardiac output and right ventricular ejection fraction were obtained using a rapid response pulmonary artery catheter. Values were compared when injectate was administered via either a cannula within the right internal jugular vein or the dedicated right atrial port of...

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Bibliographic Details
Published in:Anaesthesia 1993-04, Vol.48 (4), p.312-314
Main Authors: COCKROFT, S, WITHINGTON, P. S
Format: Article
Language:English
Subjects:
Biological and medical sciences
Cardiac Output - physiology
Cardiovascular system
Catheterization, Central Venous
Humans
Investigative techniques of hemodynamics
Investigative techniques, diagnostic techniques (general aspects)
Jugular Veins
Medical sciences
Middle Aged
Pulmonary Artery
Stroke Volume - physiology
Thermodilution - methods
Ventricular Function, Right - physiology
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Summary:Thermodilution measurements of cardiac output and right ventricular ejection fraction were obtained using a rapid response pulmonary artery catheter. Values were compared when injectate was administered via either a cannula within the right internal jugular vein or the dedicated right atrial port of the pulmonary artery catheter. Mean (SD) bias for cardiac output and right ventricular ejection fraction measurements were 0.08 (0.32) l.min-1 and 2.6 (6.6)% respectively. We therefore conclude that both injectate techniques will provide similar values for cardiac output but dissimilar values for right ventricular ejection fraction measurement.
ISSN:0003-2409
1365-2044
DOI:10.1111/j.1365-2044.1993.tb06950.x