2014
Hospital Case Volume Is Associated With Mortality in Patients Hospitalized With Subarachnoid Hemorrhage
Prabhakaran S, Fonarow G, Smith E, Liang L, Xian Y, Neely M, Peterson E, Schwamm L. Hospital Case Volume Is Associated With Mortality in Patients Hospitalized With Subarachnoid Hemorrhage. Neurosurgery 2014, 75: 500-508. PMID: 24979097, DOI: 10.1227/neu.0000000000000475.Peer-Reviewed Original ResearchConceptsHospital case volumeHospital mortalitySubarachnoid hemorrhageCase volumeSAH volumeSAH patientsHospital characteristicsMedian annual case volumeGuidelines-Stroke registryLarge nationwide registryMultivariable logistic regressionLength of stayAnnual case volumeContemporary national dataIndependent ambulatory statusAmbulatory statusExperienced centersNationwide registryDischarge diagnosisOptimized careImproved outcomesRelevant patientsPatientsHospitalMortality
2002
Predicting cerebral ischemic infarct volume with diffusion and perfusion MR imaging.
Schaefer P, Hunter G, He J, Hamberg L, Sorensen A, Schwamm L, Koroshetz W, Gonzalez R. Predicting cerebral ischemic infarct volume with diffusion and perfusion MR imaging. American Journal Of Neuroradiology 2002, 23: 1785-94. PMID: 12427640, PMCID: PMC8185825.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBlood Flow VelocityBrain IschemiaCerebral InfarctionCerebrovascular CirculationDiffusion Magnetic Resonance ImagingFalse Positive ReactionsFemaleFollow-Up StudiesHumansIschemic Attack, TransientMagnetic Resonance AngiographyMaleMiddle AgedObserver VariationPredictive Value of TestsSensitivity and SpecificityTime FactorsConceptsCerebral blood flowCerebral blood volumeFinal infarct volumeInfarct volumeDW imagingLesion growthAcute ischemic stroke symptomsHemodynamic imagesAcute ischemic infarctionIschemic infarct volumeInitial clinical assessmentFinal discharge diagnosisFinal infarct sizeHours of onsetIschemic stroke symptomsPerfusion MR imagingPerfusion-weighted imagesAcute strokeIschemic infarctionStroke symptomsAcute infarctionAcute lesionsDischarge diagnosisInfarct sizeAltered perfusion