ACP: Antegrade Selective Cerebral Perfusion, Sd: Standard Deviation,
pΩ: p value of lactate levels in Pre-ACP and during
ACP, pΨ: p value of lactate levels in during ACP and
Post-ACP, pΣ: p value of lactate levels in Pre-ACP,
postoperative 2th and 6th hour, pα: Comparison of
blood lactate values taken from the descending aorta and radial artery
during ACP