2013
Outcomes in Severe Middle Cerebral Artery Ischemic Stroke
Walcott BP, Miller JC, Kwon CS, Sheth SA, Hiller M, Cronin CA, Schwamm LH, Simard JM, Kahle KT, Kimberly WT, Sheth KN. Outcomes in Severe Middle Cerebral Artery Ischemic Stroke. Neurocritical Care 2013, 21: 20-26. PMID: 23839704, PMCID: PMC3880600, DOI: 10.1007/s12028-013-9838-x.Peer-Reviewed Original ResearchConceptsMiddle cerebral artery strokeMiddle cerebral artery ischemic strokeCerebral artery involvementMidline brain shiftPatient-centered outcomesLogistic regression analysisPatient-specific variablesArtery involvementEdema subgroupsMCA strokeInfarct volumeSevere strokeUnderwent tracheostomyAdult patientsIschemic strokeLife-sustaining proceduresRetrospective cohortSymptom onsetDecompressive craniectomyArtery strokeStudy criteriaUnderwent gastrostomyExclusion criteriaMortality rateMultivariate analysis
2009
False Positive CT Angiography in Brain Death
Greer DM, Strozyk D, Schwamm LH. False Positive CT Angiography in Brain Death. Neurocritical Care 2009, 11: 272-275. PMID: 19390993, DOI: 10.1007/s12028-009-9220-1.Peer-Reviewed Original ResearchMeSH KeywordsAdultBrain DeathBrain EdemaCerebral AngiographyCerebrovascular CirculationCircle of WillisDiagnosis, DifferentialElectroencephalographyFalse Positive ReactionsFemaleHeart ArrestHumansTechnetium Tc 99m ExametazimeTomography, Emission-Computed, Single-PhotonTomography, X-Ray ComputedUltrasonography, Doppler, TranscranialConceptsCerebral circulatory arrestBrain criteriaCirculatory arrestBrain deathPositive CT angiographyCerebral blood flowSingle photon emissionTranscranial DopplerNewer testsClinical examinationTomographic angiographyConventional angiographyCT angiographyBlood flowAncillary testsEase of performanceAngiographyDetermination of deathGold standardConfirmatory testDeathPhoton emissionAcceptable testArrestPatients
1997
Diffusion-weighted imaging discriminates between cytotoxic and vasogenic edema in a patient with eclampsia.
Schaefer P, Buonanno F, Gonzalez R, Schwamm L. Diffusion-weighted imaging discriminates between cytotoxic and vasogenic edema in a patient with eclampsia. Stroke 1997, 28: 1082-5. PMID: 9158653, DOI: 10.1161/01.str.28.5.1082.Peer-Reviewed Original ResearchConceptsT2 hyperintense signal abnormalityDiffusion-weighted imagingHyperintense signal abnormalitiesVasogenic edemaSignal abnormalitiesRoutine MRIMajority of patientsPermanent neurological impairmentReversible neurological deficitsSubcortical white matterAdjacent gray matterDifferent treatment protocolsPathophysiology of eclampsiaEcho-planar diffusion-weighted imagingEclamptic patientsIschemic encephalopathyNeurological deficitsPosterior predominancePatient groupDiffusion-weighted imagesCytotoxic edemaNeurological impairmentPremature twinsTreatment protocolEdema