1996
Short echo time proton magnetic resonance spectroscopic imaging of macromolecule and metabolite signal intensities in the human brain
Hwang J, Graham G, Behar K, Alger J, Prichard J, Rothman D. Short echo time proton magnetic resonance spectroscopic imaging of macromolecule and metabolite signal intensities in the human brain. Magnetic Resonance In Medicine 1996, 35: 633-639. PMID: 8722812, DOI: 10.1002/mrm.1910350502.Peer-Reviewed Original ResearchMeSH KeywordsAdultBrainCerebrovascular DisordersFemaleHumansMacromolecular SubstancesMagnetic Resonance ImagingMagnetic Resonance SpectroscopyMaleMiddle AgedReproducibility of ResultsConceptsSubacute stroke patientsProton magnetic resonance spectroscopicProton magnetic resonance spectroscopic imagingMagnetic resonance spectroscopic imagingStroke patientsHealthy subjectsMagnetic resonance spectroscopicMetabolite signal intensitiesBrain regionsPathological conditionsMacromolecule resonancesHuman brainBrainSignal intensitySubjectsRecovery timeSpectroscopic imagingPatients
1994
Proton spectroscopy of human stroke: Assessment of transverse relaxation times and partial volume effects in single volume STEAM MRS
Blamire A, Graham G, Rothman D, Prichard J. Proton spectroscopy of human stroke: Assessment of transverse relaxation times and partial volume effects in single volume STEAM MRS. Magnetic Resonance Imaging 1994, 12: 1227-1235. PMID: 7854028, DOI: 10.1016/0730-725x(94)90087-8.Peer-Reviewed Original ResearchConceptsStroke patientsAge-matched normal subjectsHuman strokeSpin-echo MRINormal subjectsNormal brainPatientsInfarcted tissueProton T2 relaxation timesInverse correlationHigh inverse correlationT2 relaxation timesCholine resonanceSignificant differencesProton spectroscopyPercentage volumeT2 valuesT. SpectraPartial volume effectsPeak amplitudeSTEAM sequence
1992
Spectroscopic imaging of stroke in humans: histopathology correlates of spectral changes.
Petroff O, Graham G, Blamire A, Al-Rayess M, Rothman D, Fayad P, Brass L, Shulman R, Prichard J. Spectroscopic imaging of stroke in humans: histopathology correlates of spectral changes. Neurology 1992, 42: 1349-54. PMID: 1620345, DOI: 10.1212/wnl.42.7.1349.Peer-Reviewed Original ResearchMeSH KeywordsBrainCell CountCerebrovascular DisordersHumansImage Processing, Computer-AssistedMagnetic Resonance SpectroscopyMaleMiddle AgedTomography, X-Ray ComputedConceptsCells/mm2Foamy macrophagesElevation of lactateGlial densityNeuropathologic examinationBrain macrophagesHuman strokeHistopathology correlateMacrophage densityInfarctsHigh lactateHistopathologic sectionsStrokeLactate concentrationMedial marginMacrophagesLactate signalMonthsLactate poolWeeksLactateCellular localizationMetabolic turnoverMagnetic resonanceMagnetic resonance spectroscopyProton magnetic resonance spectroscopy of cerebral lactate and other metabolites in stroke patients.
Graham G, Blamire A, Howseman A, Rothman D, Fayad P, Brass L, Petroff O, Shulman R, Prichard J. Proton magnetic resonance spectroscopy of cerebral lactate and other metabolites in stroke patients. Stroke 1992, 23: 333-340. PMID: 1542892, DOI: 10.1161/01.str.23.3.333.Peer-Reviewed Original ResearchMeSH KeywordsAspartic AcidBrainCerebrovascular DisordersHumansLactatesMagnetic Resonance SpectroscopyMethylaminesMiddle AgedTime FactorsConceptsProton magnetic resonance spectroscopyStroke patientsCerebral lactateDeep cerebral infarctsElevated cerebral lactateSmall subcortical infarctsCortical stroke patientsN-acetylaspartate levelsLong-term elevationCerebral infarctsCortical strokeOngoing ischemiaSymptom onsetBrain lactateElevated lactateInitial insultSubcortical infarctsN-acetylaspartateInfarct regionLesion onsetMagnetic resonance spectroscopyInfarctsPatientsFirst weekStroke