Abstract:Electroencephalographic (EEG) changes have been reported with cardiopulmonary bypass (CPB). We tested whether the type of priming solution (blood versus nonblood) affected the EEG. Twenty-six anesthetized pigs (29.5+/-1.6 kg) were cannulated for CPB primed with 1 liter plasmalyte and 500 ml 6% hetastarch (nonblood prime). EEG signals were recorded during the initiation of normothermic CPB. Three minutes later, animals were weaned from CPB and allowed to stabilize. CPB was reinstituted using the animals' hemodi… Show more
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