Thromboresistant surface coatings for the measurement of cardiac output through continuous low flow peripheral A-V shunts

The dilution technique for determining cardiac output using indocyanine green dye is limited in patients weighing less than 20 kg because of the obligatory volume loss. Reproducible achieved using the green dye dilution method by the establishment of a low flow peripheral arteriovenous shunt. The sh...

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Bibliographic Details
Published in:Annals of surgery 1980-01, Vol.191 (1), p.114-116
Main Authors: Deeb, G M, Borovetz, H S, Griffith, B P, Hardesty, R L
Format: Article
Language:English
Subjects:
Animals
Arteriovenous Shunt, Surgical - instrumentation
Cardiac Output
Child
Dogs
Dye Dilution Technique - instrumentation
Humans
Polyethylenes
Polytetrafluoroethylene
Silicone Elastomers
Thrombosis - prevention & control
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Summary:The dilution technique for determining cardiac output using indocyanine green dye is limited in patients weighing less than 20 kg because of the obligatory volume loss. Reproducible achieved using the green dye dilution method by the establishment of a low flow peripheral arteriovenous shunt. The shunt materials were treated with thromboresistant agents--TDMAC (7%) and albumin (1 g/dl)--to facilitate the use of this technique without heparin. For A-V shunt flow rates of 8-30 cc/min reproducible values of cardiac output were obtained for up to 38 hours which were in good agreement with determinations made using the conventional technique of dye dilution.
ISSN:0003-4932
1528-1140
DOI:10.1097/00000658-198001000-00020