1999
In Vivo Diffusion-Weighted Magnetic Resonance Microscopy of Rat Spinal Cord
Benveniste H, Qui H, Hedlund L, Hüttemeier P, Steele S, Johnson A. In Vivo Diffusion-Weighted Magnetic Resonance Microscopy of Rat Spinal Cord. Regional Anesthesia & Pain Medicine 1999, 24: 311-318. DOI: 10.1097/00115550-199924040-00006.Peer-Reviewed Original ResearchRat spinal cordSpinal cordHyperbaric 5Hyperbaric lidocaineNeurologic deficitsGroup 2Group 1Diffusion-weighted magnetic resonance microscopyWhite matterGray matterIrreversible neurologic deficitsPersistent neurologic deficitsSpinal cord ischemiaContinuous spinal anesthesiaPresence of ischemiaBlood-nerve barrierWhite matter tractsCord ischemiaIntrathecal anesthesiaIntrathecal lidocaineSpinal anesthesiaSpinal catheterPathophysiologic mechanismsCardiac arrestIrreversible conduction blockIn vivo diffusion-weighted magnetic resonance microscopy of rat spinal cord: Effect of ischemia and intrathecal hyperbaric 5% lidocaine
Benveniste H, Qui H, Hedlund L, Hüttemeier P, Steele S, Johnson G. In vivo diffusion-weighted magnetic resonance microscopy of rat spinal cord: Effect of ischemia and intrathecal hyperbaric 5% lidocaine. Regional Anesthesia & Pain Medicine 1999, 24: 311-318. PMID: 10445769, DOI: 10.1016/s1098-7339(99)90104-9.Peer-Reviewed Original ResearchConceptsDiffusion-weighted magnetic resonance microscopyRat spinal cordSpinal cordHyperbaric 5Hyperbaric lidocaineNeurologic deficitsGroup 2Group 1White matterGray matterIrreversible neurologic deficitsPersistent neurologic deficitsSpinal cord ischemiaContinuous spinal anesthesiaPresence of ischemiaBlood-nerve barrierEffects of ischemiaWhite matter tractsCord ischemiaIntrathecal anesthesiaIntrathecal lidocaineSpinal anesthesiaSpinal catheterPathophysiologic mechanismsCardiac arrest
1998
Spinal Cord Neural Anatomy in Rats Examined by In Vivo Magnetic Resonance Microscopy
Benveniste H, Qui H, Hedlund L, D'Ercole F, Johnson A. Spinal Cord Neural Anatomy in Rats Examined by In Vivo Magnetic Resonance Microscopy. Regional Anesthesia & Pain Medicine 1998, 23: 589-599. DOI: 10.1097/00115550-199823060-00014.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiomechanical PhenomenaCatheters, IndwellingCervical VertebraeColoring AgentsContrast MediaDiffusionEdemaEpidural SpaceFeasibility StudiesFemaleFollow-Up StudiesInjections, SpinalIschemiaLongitudinal StudiesLumbar VertebraeMagnetic Resonance ImagingMicroscopyNeurilemmaPeripheral Nervous System DiseasesRatsRats, Inbred F344Regional Blood FlowSpinal CordSpinal Cord DiseasesSpinal NervesConceptsIntrathecal catheterSpinal cordApparent diffusion coefficientCytotoxic edemaGroup 2Diffusion-weighted magnetic resonance microscopyGroup 3Cervical intrathecal catheterRat cervical spinal cordSpinal cord perfusionLumbar intrathecal cathetersCervical spinal cordPeripheral nerve studiesPresence of ischemiaNormal blood flowLumbar spine anatomyApparent diffusion coefficient (ADC) measurementsCord perfusionNerve studiesPlexus anatomySpinal nervesCervical spineIntrathecal spaceContrast studiesCDF ratsSpinal cord neural anatomy in rats examined by In Vivo magnetic resonance microscopy
Benveniste H, Qui H, Hedlund L, D'Ercole F, Johnson G. Spinal cord neural anatomy in rats examined by In Vivo magnetic resonance microscopy. Regional Anesthesia & Pain Medicine 1998, 23: 589-599. PMID: 9840856, DOI: 10.1016/s1098-7339(98)90087-6.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiomechanical PhenomenaCatheters, IndwellingCervical VertebraeColoring AgentsContrast MediaDiffusionEdemaEpidural SpaceFeasibility StudiesFemaleFollow-Up StudiesInjections, SpinalIschemiaLongitudinal StudiesLumbar VertebraeMagnetic Resonance ImagingMicroscopyNeurilemmaPeripheral Nervous System DiseasesRatsRats, Inbred F344Regional Blood FlowSpinal CordSpinal Cord DiseasesSpinal NervesConceptsIntrathecal catheterSpinal cordApparent diffusion coefficientCytotoxic edemaGroup 2Diffusion-weighted magnetic resonance microscopyGroup 3Cervical intrathecal catheterRat cervical spinal cordSpinal cord perfusionLumbar intrathecal cathetersCervical spinal cordPeripheral nerve studiesPresence of ischemiaNormal blood flowLumbar spine anatomyApparent diffusion coefficient (ADC) measurementsCord perfusionNerve studiesPlexus anatomySpinal nervesCervical spineIntrathecal spaceContrast studiesCDF rats
1992
Mechanism of detection of acute cerebral ischemia in rats by diffusion-weighted magnetic resonance microscopy.
Benveniste H, Hedlund L, Johnson G. Mechanism of detection of acute cerebral ischemia in rats by diffusion-weighted magnetic resonance microscopy. Stroke 1992, 23: 746-754. PMID: 1374575, DOI: 10.1161/01.str.23.5.746.Peer-Reviewed Original ResearchConceptsAcute cerebral ischemiaCerebral ischemiaApparent diffusion coefficientOuabain exposureDiffusion-weighted magnetic resonance microscopyApparent diffusion coefficient reductionRight middle cerebral arteryIpsilateral common carotid arteryN-methyl-D-aspartate exposureFocal cerebral ischemiaMiddle cerebral arteryCommon carotid arteryApparent diffusion coefficient (ADC) valuesRat brain tissueTissue apparent diffusion coefficientCerebral arteryMicrodialysis membraneGlutamate exposureCorpus striatumOlfactory cortexCarotid arterySprague-DawleyBrain tissueIschemiaArtery