Effects of Anemia and Hypotension on Porcine Optic Nerve Blood Flow and Oxygen Delivery
Lee LA, Deem S, Glenny RW, Townsend I, Moulding J, An D, Treggiari MM, Lam A. Effects of Anemia and Hypotension on Porcine Optic Nerve Blood Flow and Oxygen Delivery. Anesthesiology 2008, 108: 864-872. PMID: 18431122, DOI: 10.1097/aln.0b013e31816c8a30.Peer-Reviewed Original ResearchConceptsCerebral blood flowOptic nerve blood flowNerve blood flowBlood flowCerebral DO2Venous congestionHypovolemic hypotensionOxygen deliveryPerioperative ischemic optic neuropathyCompensatory mechanismsStable cerebral blood flowIschemic optic neuropathyMajor surgical proceduresEffect of anemiaConditions of hypotensionSignificant reductionOptic neuropathyHypotensionSurgical proceduresControl animalsAnemiaFarm-raised pigsPhysiologic perturbationsDO2Significant increase