Why the study?
Do arterial line filters reduce the incidence of cerebral microembolic events during cardiopulmonary bypass in patients undergoing cardiac surgery?
Population
40 patients undergoing cardiac surgery with cardiopulmonary bypass using a bubble oxygenator (Harvey H 1700)
Comparison
Arterial line filters (40 micron, Pall ECplus) vs No arterial line filters
Design
Cohort
Follow-up
Intraoperative (during cardiopulmonary bypass)
Authors
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May warrant arterial filters in CPB; Level 3 data leaves open effects on clinical stroke or cognition.
Do arterial line filters reduce the incidence of cerebral microembolic events during cardiopulmonary bypass in patients undergoing cardiac surgery?
Transcranial Doppler can detect and quantify cerebral microemboli during cardiac surgery, demonstrating that arterial line filters substantially reduce microembolic events during cardiopulmonary bypass.
W. Pugsley (1989) studied this question.
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