Oximetric versus indicator dilution techniques for quantitating intracardiac left-to-right shunting in adults

In conclusion, in adult subjects with intracardiac left-to-right shunting, the oximetric technique provides estimates of shunt magnitude that are somewhat larger than those of indocyanine green (Figure 1). At the same time, the 2 techniques yield results that are within 20% of one another in almost...

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Bibliographic Details
Published in:The American journal of cardiology 1995-01, Vol.75 (2), p.199-200
Main Authors: Daniel, William C., Lange, Richard A., Willard, John E., Landau, Charles, Hillis, L. David
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Aged, 80 and over
Biological and medical sciences
Blood
Blood and lymphatic vessels
Cardiac Catheterization
Cardiology. Vascular system
Chi-Square Distribution
Dye Dilution Technique
Female
Heart
Heart Septal Defects - diagnosis
Humans
Indocyanine Green
Male
Medical research
Medical sciences
Middle Aged
Miscellaneous
Oximetry
Oxygen
Tests
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Summary:In conclusion, in adult subjects with intracardiac left-to-right shunting, the oximetric technique provides estimates of shunt magnitude that are somewhat larger than those of indocyanine green (Figure 1). At the same time, the 2 techniques yield results that are within 20% of one another in almost half the patients, and they are in agreement with one another concerning the Qp/Qs being < or ≥1.5 in 85% (Table I and Figure 1). The likelihood that the 2 techniques will agree that the Qp/Qs is < or ≥1.5 is greatest (p = 0.05) in patients with shunting at the level of the atrium.
ISSN:0002-9149
1879-1913
DOI:10.1016/S0002-9149(00)80081-8