Tezosentan normalizes hepatomesenteric perfusion in a porcine model of cardiac tamponade
ÅNEMAN A, TREGGIARI MM, BURGENER D, LAESSER M, STRASSER S, HADENGUE A. Tezosentan normalizes hepatomesenteric perfusion in a porcine model of cardiac tamponade. Acta Anaesthesiologica Scandinavica 2008, 53: 203-209. PMID: 19094177, DOI: 10.1111/j.1399-6576.2008.01834.x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCarbon DioxideCardiac Output, LowCardiac TamponadeDrug Evaluation, PreclinicalEndothelin Receptor AntagonistsEndothelin-1FemaleLactatesLiver CirculationMaleModels, AnimalOxygenOxygen ConsumptionPyridinesSplanchnic CirculationSus scrofaTetrazolesVascular ResistanceVasoconstrictionConceptsLaser Doppler flowMesenteric oxygen deliveryLow CO stateBaseline valuesCardiac tamponadeOxygen deliveryBlood flowPorcine modelPortal venous blood flowHepatic artery blood flowLow cardiac output stateET-1 blockadeMesenteric oxygen extractionMesenteric vascular resistanceArtery blood flowCardiac output stateNormal saline vehicleVenous blood flowMesenteric vasoconstrictionPortal pressureSplanchnic hypoperfusionVascular resistanceHepatic arterialEndothelin-1Liver protectionEffects 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