1989
Beagle puppy model of perinatal asphyxia: Blockade of excitatory neurotransmitters
Ment L, Stewart W, Petroff O, Duncan C, Montoya D. Beagle puppy model of perinatal asphyxia: Blockade of excitatory neurotransmitters. Pediatric Neurology 1989, 5: 281-286. PMID: 2553028, DOI: 10.1016/0887-8994(89)90018-0.Peer-Reviewed Original ResearchConceptsN-methyl-D-aspartate receptor antagonist MK801Cerebral blood flowBlood flowPerinatal asphyxiaCerebral high-energy phosphatesN-methyl-D-aspartate receptorsSaline 15 minBeagle puppy modelModel of ischemiaNewborn beagle puppiesHigh-energy phosphatesNeuropathologic damageAsphyxial insultPuppy modelNeuronal changesCerebral lactateExcitatory neurotransmitterBrainstem structuresPhosphocreatine levelsDrug treatmentMetabolic insultsBeagle puppiesMK801InsultPuppiesThromboxane synthesis inhibitor in a beagle pup model of perinatal asphyxia.
Ment L, Stewart W, Petroff O, Duncan C. Thromboxane synthesis inhibitor in a beagle pup model of perinatal asphyxia. Stroke 1989, 20: 809-814. PMID: 2728050, DOI: 10.1161/01.str.20.6.809.Peer-Reviewed Original ResearchConceptsCerebral blood flowThromboxane synthesis inhibitorBlood flowPerinatal asphyxiaSynthesis inhibitorCGS 13080Intraventricular hemorrhageLactate levelsCerebral regionsHigh incidenceMetabolic alterationsWhite matterLactate concentrationAsphyxiaBrain extractsInsultPhosphocreatine concentrationPupsSalineInhibitorsHemorrhageProstaglandinsMedulla
1988
Beagle puppy model of perinatal asphyxia: Alterations in cerebral blood flow and metabolism
Ment L, Stewart W, Gore J, Duncan C. Beagle puppy model of perinatal asphyxia: Alterations in cerebral blood flow and metabolism. Pediatric Neurology 1988, 4: 98-104. PMID: 3149477, DOI: 10.1016/0887-8994(88)90048-3.Peer-Reviewed Original ResearchConceptsCerebral blood flowBeagle puppy modelPerinatal asphyxiaPuppy modelBlood flowControl of CBFUncoupling of CBFATP/Pi ratioBaseline 1 hourRadioactive microsphere determinationsPCr/PiWhite matter regionsDays of ageAsphyxial episodesAsphyxial insultNeurodevelopmental handicapArterial pressureClinical sequelaeElectrocerebral silenceMicrosphere determinationBrainstem structuresCBF dataBaseline valuesPathologic conditionsAsphyxia
1987
Beagle pup model of brain injury: regional cerebral blood flow and cerebral prostaglandins.
Ment L, Stewart W, Duncan C, Pitt B, Cole J. Beagle pup model of brain injury: regional cerebral blood flow and cerebral prostaglandins. Journal Of Neurosurgery 1987, 67: 278-83. PMID: 3598687, DOI: 10.3171/jns.1987.67.2.0278.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornAsphyxia NeonatorumBrainBrain InjuriesCerebrovascular CirculationDog DiseasesDogsProstaglandinsConceptsRegional cerebral blood flowCerebral blood flowAsphyxial insultBrain injuryBlood flowSevere asphyxial insultPeriventricular white matterSevere brain injuryRole of prostaglandinsEffects of asphyxiaNewborn beagle pupsCerebral prostaglandinsVentilatory supportNeuropathological changesPGE2 levelsCommon causeBeagle pupsWhite matterAutoradiographic determinationInsultPupsAsphyxiaYoung childrenSeparate groupsSignificant increase
1986
Beagle puppy model of perinatal cerebral insults. Cerebral blood flow changes and intraventricular hemorrhage evoked by hypoxemia.
Ment L, Stewart W, Duncan C, Pitt B. Beagle puppy model of perinatal cerebral insults. Cerebral blood flow changes and intraventricular hemorrhage evoked by hypoxemia. Journal Of Neurosurgery 1986, 65: 847-50. PMID: 3772483, DOI: 10.3171/jns.1986.65.6.0847.Peer-Reviewed Original ResearchConceptsCerebral blood flowWhite matterIntraventricular hemorrhageRegional cerebral blood flowCerebral blood flow changesNeonatal cerebral infarctionPerinatal cerebral insultsParieto-occipital white matterEffects of hypoxemiaBeagle puppy modelNewborn beagle pupsBlood flow changesTemporal white matterParietal white matterCentral gray regionNeuropathological injuryCerebral infarctionPerinatal asphyxiaCerebral insultNeuropathological changesPuppy modelCommon causeGerminal matrixBeagle pupsBlood flowBeagle puppy model of perinatal cerebral infarction. Regional cerebral prostaglandin changes during acute hypoxemia.
Ment L, Stewart W, Duncan C, Pitt B, Cole J. Beagle puppy model of perinatal cerebral infarction. Regional cerebral prostaglandin changes during acute hypoxemia. Journal Of Neurosurgery 1986, 65: 851-5. PMID: 3772484, DOI: 10.3171/jns.1986.65.6.0851.Peer-Reviewed Original ResearchConceptsCerebral blood flowPerinatal cerebral infarctionPeriventricular white matterCerebral infarctionHypoxemic insultWhite matterStable metaboliteGray matterLocal cerebral blood flowArterial blood pressureEffects of hypoxemiaBeagle puppy modelNewborn beagle pupsSignificant differencesAcute hypoxemiaProstaglandin changesNeuropathological alterationsBlood pressureIndwelling catheterNeuropathological changesIntensive carePuppy modelUncommon findingProstaglandin levelsCommon cause
1985
Beagle puppy model of perinatal cerebral infarction. Acute changes in regional cerebral prostaglandins during hemorrhagic hypotension.
Ment L, Stewart W, Duncan C, Cole J, Pitt B. Beagle puppy model of perinatal cerebral infarction. Acute changes in regional cerebral prostaglandins during hemorrhagic hypotension. Journal Of Neurosurgery 1985, 63: 899-904. PMID: 4056903, DOI: 10.3171/jns.1985.63.6.0899.Peer-Reviewed Original ResearchConceptsPerinatal cerebral infarctionPeriventricular white matterNewborn beagle pupsHemorrhagic hypotensionWhite matterCerebral infarctionNeuropathological changesThromboxane B2Beagle pupsMean arterial blood pressureSlow venous hemorrhagePeriventricular white matter regionsArterial blood pressureProstaglandin E2 levelsEffects of hypotensionCerebral blood flowProstaglandin determinationsBeagle puppy modelStable breakdown productWhite matter regionsCerebral prostaglandinsBlood pressureIntensive carePuppy modelPGF1 alphaBeagle puppy model of perinatal cerebral infarction. Acute changes in cerebral blood flow and metabolism during hemorrhagic hypotension.
Ment L, Stewart W, Duncan C, Pitt B, Rescigno A, Cole J. Beagle puppy model of perinatal cerebral infarction. Acute changes in cerebral blood flow and metabolism during hemorrhagic hypotension. Journal Of Neurosurgery 1985, 63: 441-7. PMID: 3839525, DOI: 10.3171/jns.1985.63.3.0441.Peer-Reviewed Original ResearchConceptsLocal cerebral glucose utilizationCerebral blood flowRegional cerebral blood flowHypotensive insultCerebral infarctionHemorrhagic hypotensionBlood flowUncoupling of CBFMean arterial blood pressureNeonatal cerebral infarctionParieto-occipital white matterPerinatal cerebral infarctionSerum prostaglandin levelsSlow venous hemorrhagePeriventricular white matter regionsAutoradiographic determinationArterial blood pressureCerebral glucose utilizationProstaglandin E2 levelsEffects of hypotensionBeagle puppy modelNewborn beagle pupsGray matter structuresStable breakdown productWhite matter regionsBeagle puppy model of intraventricular hemorrhage. Effect of superoxide dismutase on cerebral blood flow and prostaglandins.
Ment L, Stewart W, Duncan C. Beagle puppy model of intraventricular hemorrhage. Effect of superoxide dismutase on cerebral blood flow and prostaglandins. Journal Of Neurosurgery 1985, 62: 563-9. PMID: 3973726, DOI: 10.3171/jns.1985.62.4.0563.Peer-Reviewed Original ResearchConceptsCerebral blood flowIntraventricular hemorrhageProstaglandin levelsBlood flowSuperoxide dismutaseCarbon-14-iodoantipyrine autoradiographyIncidence of IVHSystemic blood pressure changesBaseline cerebral blood flowLocal cerebral blood flowDetermination of CBFBlood pressure changesSaline-pretreated animalsBeagle puppy modelNewborn beagle pupsGerminal matrix tissueHypotensive insultFree radical scavengerPreterm neonatesIodoantipyrine autoradiographyPuppy modelBeagle pupsCapillary morphologyInsultHemorrhage
1984
Beagle puppy model of intraventricular hemorrhage. Effect of indomethacin on local cerebral glucose utilization.
Ment L, Stewart W, Duncan C, Scott D, Lambrecht R. Beagle puppy model of intraventricular hemorrhage. Effect of indomethacin on local cerebral glucose utilization. Journal Of Neurosurgery 1984, 60: 737-42. PMID: 6707743, DOI: 10.3171/jns.1984.60.4.0737.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornBrainCerebral HemorrhageDogsGlucoseIndomethacinModels, BiologicalConceptsLocal cerebral glucose utilizationCerebral glucose utilizationIntraventricular hemorrhageSaline-pretreated animalsNewborn beagle puppiesBeagle puppiesGlucose utilizationIncidence of IVHBlood pressure responseNeonatal intraventricular hemorrhageEffect of indomethacinBeagle puppy modelCerebral metabolismPuppy modelGerminal matrixWhite matterIndomethacinMarked alterationsInsultSignificant alterationsPressure responseHemorrhagePupsPuppiesAlterations
1983
Beagle puppy model of intraventricular hemorrhage: randomized indomethacin prevention trial.
Ment L, Stewart W, Scott D, Duncan C. Beagle puppy model of intraventricular hemorrhage: randomized indomethacin prevention trial. Neurology 1983, 33: 179-84. PMID: 6681659, DOI: 10.1212/wnl.33.2.179.Peer-Reviewed Original ResearchConceptsIntraventricular hemorrhageNewborn beagle puppiesBeagle puppiesBlood pressure responseNeonatal intraventricular hemorrhageBeagle puppy modelPrevention trialsHemorrhagic hypotensionPuppy modelSaline vehicleControl animalsHemorrhageProstaglandin synthetaseExperimental modelIndomethacinSignificant alterationsPressure responsePuppies
1982
Local cerebral glucose utilization in the beagle puppy model of intraventricular hemorrhage.
Ment L, Stewart W, Duncan C. Local cerebral glucose utilization in the beagle puppy model of intraventricular hemorrhage. Journal Of Neurosurgery 1982, 57: 384-9. PMID: 7097335, DOI: 10.3171/jns.1982.57.3.0384.Peer-Reviewed Original ResearchConceptsLocal cerebral glucose utilizationCerebral glucose utilizationBeagle puppy modelIntraventricular hemorrhagePuppy modelGlucose utilizationCerebral blood flowAdult animal studiesWhite matter differentiationControl pupsBlood flowAnimal studiesNeuropathological conditionsBrain regionsHemorrhageMatter differentiationUptakePupsBeagle puppy model of intraventricular hemorrhage.
Ment L, Stewart W, Duncan C, Lambrecht R. Beagle puppy model of intraventricular hemorrhage. Journal Of Neurosurgery 1982, 57: 219-23. PMID: 7086514, DOI: 10.3171/jns.1982.57.2.0219.Peer-Reviewed Original Research