Key result
Cobe 21 and Gish 25-micrometer arterial line filters maximize gaseous micro-emboli separation without pore-size-related resistance.
Why the study?
Arterial line filters are critical to protect patients from gaseous micro-emboli during cardiopulmonary bypass, but their separation performance varies and requires systematic evaluation.
Which arterial line filters are most effective at separating gaseous micro-emboli in an in vitro cardiopulmonary bypass circuit model?
Which arterial line filters are most effective at separating gaseous micro-emboli in an in vitro cardiopulmonary bypass circuit model?
In an in vitro cardiopulmonary bypass model, arterial line filters with smaller pore ratings generally demonstrated superior gaseous micro-emboli separation performance.
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Smaller-pore ALFs ranked highest for GME removal in vitro; leaves open whether rankings affect clinical outcomes in cardiopulmonary bypass.
Jeffrey B. Riley (2008) studied Gaseous micro-emboli in cardiopulmonary bypass (in vitro) (n=30). Arterial line filters (10 models) vs. Comparison among models was evaluated on Gaseous micro-emboli separation ability and blood flow resistance. The Cobe 21 and Gish 25-micrometer filters were the most effective arterial line filters for gaseous micro-emboli separation, and blood flow resistance did not correlate with rated pore size.
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