TITLE

Pump-induced haemolysis: a comparison of short-term ventricular assist devices

AUTHOR(S)
Bennett, M.; Horton, S.; Thuys, C.; Augustin, S.; Rosenberg, M.; Brizard, C.
PUB. DATE
March 2004
SOURCE
Perfusion;Mar2004, Vol. 19 Issue 2, p107
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Centrifugal pumps are superior to roller pumps for extended support durations in terms of pump-induced haemolysis. In this study, we evaluated the commonly used Biomedicus BP 50 and compared it with the Jostra Rotaflow and a standard roller pump in an in vitro test circuit. Each circuit was run for a six-day period and repeated five times. Plasma haemoglobin values showed the roller pump to become more haemolytic than the Biomedicus (p=0.022) and the Rotaflow. A statistically significant difference between the Biomedicus and the Rotaflow was observed on day six of the trial (p=0.016), with the Rotaflow showing lower levels of haemolysis than the Biomedicus. These results support the use of the new generation centrifugal pump, the Rotaflow, as a suitable device for short-term ventricular assist.
ACCESSION #
12972928

 

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