Search Results - "Orrison, W"

The role of magnetoencephalography in “nonlesional” epilepsy by Funke, Michael E., Moore, Kevin, Orrison Jr, William W., Lewine, Jeffrey David

“…Summary The surgical management of neocortical epilepsy is challenging because many patients are without obvious structural lesions, or lesions are small and…”
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Hyperbaric oxygen for post-concussive symptoms in United States military service members: a randomized clinical trial by Weaver, Lindell K, Wilson, Steffanie H, Lindblad, Anne S, Churchill, Susan, Deru, Kayla, Price, Robert C, Williams, Chris S, Orrison, William W, Walker, James M, Meehan, Anna, Mirow, Susan

“…In prior military randomized trials, participants with persistent symptoms after mild traumatic brain injury (TBI) reported improvement regardless of receiving…”
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Magnetoencephalographic Patterns of Epileptiform Activity in Children With Regressive Autism Spectrum Disorders by Lewine, Jeffrey D, Andrews, Richard, Chez, Michael, Patil, Arun-Angelo, Devinsky, Orrin, Smith, Michael, Kanner, Andres, Davis, John T, Funke, Michael, Jones, Greg, Chong, Brian, Provencal, Sherri, Weisend, Michael, Lee, Roland R, Orrison, William W, MD, Jr

“…One-third of children diagnosed with autism spectrum disorders (ASDs) are reported to have had normal early development followed by an autistic regression…”
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Traumatic brain injury: a review and high-field MRI findings in 100 unarmed combatants using a literature-based checklist approach by Orrison, William W, Hanson, Eric H, Alamo, Tony, Watson, David, Sharma, Mythri, Perkins, Thomas G, Tandy, Richard D

“…This study reviewed the literature for the extent of neuroimaging findings in boxers, indicative of traumatic brain injury (TBI) as identified in magnetic…”
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Whole-brain dynamic CT angiography and perfusion imaging by Orrison, W.W, Snyder, K.V, Hopkins, L.N, Roach, C.J, Ringdahl, E.N, Nazir, R, Hanson, E.H

“…The availability of whole brain computed tomography (CT) perfusion has expanded the opportunities for analysing the haemodynamic parameters associated with…”
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Ocular myasthenia: a rare presentation with MuSK antibody and bilateral extraocular muscle atrophy by Chan, Jane W, Orrison, William W

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Comprehensive Evaluation of Healthy Volunteers Using Multi-Modality Brain Injury Assessments: An Exploratory, Observational Study by Weaver, Lindell K, Wilson, Steffanie H, Lindblad, Anne S, Churchill, Susan, Deru, Kayla, Price, Robert, Williams, Christopher S, Orrison, William W, Patel, Jigar B, Walker, James M, Meehan, Anna, Mirow, Susan

“…Even though mild traumatic brain injury is common and can result in persistent symptoms, traditional measurement tools can be insensitive in detecting…”
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Steroid-Responsive Large Vessel Vasculitis: Application of Whole-Brain 320-Detector Row Dynamic Volume CT Angiography and Perfusion by Yahyavi-Firouz-Abadi, N, Wynn, B.L, Rybicki, F.J, Steigner, M.L, Hussain, A.Z, Mather, R, Hanson, E.H, Ansarinia, M, Orrison, W.W., Jr

“…A patient with suspected giant cell arteritis and prior negative findings on superficial temporal artery biopsy was evaluated with 320-detector row CT…”
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Quantification of the human cerebrovasculature: a 7Tesla and 320-row CT in vivo study by Nowinski, Wieslaw Lucjan, Puspitasari, Fiftarina, Volkau, Ihar, Orrison, Jr, William W, Knopp, Michael V

“…Human cerebrovasculature has not been quantified in volume, length, and vascular-brain relationships. We investigated this using imaging. From 0.5-mm 7T and…”
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Neuromagnetic assessment of pathophysiologic brain activity induced by minor head trauma by LEWINE, J. D, DAVIS, J. T, SLOAN, J. H, KODITUWAKKU, P. W, ORRISON, W. W

“…Patients with mild traumatic brain injury (TBI) often show significant neuropsychological dysfunction despite the absence of abnormalities on traditional…”
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A prospective trial of hyperbaric oxygen for chronic sequelae after brain injury (HYBOBI) by Churchill, Susan, Weaver, Lindell K, Deru, Kayla, Russo, Antonietta A, Handrahan, Diana, Orrison, Jr, William W, Foley, John F, Elwell, Heather A

“…Some practitioners advocate hyperbaric oxygen (HBO2) for sequelae following brain injury. This study assessed recruitment, tolerance and safety in preparation…”
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Developmental venous anomalies: appearance on whole-brain CT digital subtraction angiography and CT perfusion by Hanson, Eric H., Roach, Cayce J., Ringdahl, Erik N., Wynn, Brad L., DeChancie, Sean M., Mann, Nathan D., Diamond, Alan S., Orrison, William W.

“…Introduction Developmental venous anomalies (DVA) consist of dilated intramedullary veins that converge into a large collecting vein. The appearance of these…”
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Magnetic resonance imaging for the evaluation of patients with occult cervical spine injury by BENZEL, E. C, HART, B. L, BALL, P. A, BALDWIN, N. G, ORRISON, W. W, ESPINOSA, M. C

“…Because it is often difficult to diagnose accurately the structurally intact cervical spine after acute trauma, a series of patients was evaluated with…”
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Methylmercury poisoning: long-term clinical, radiological, toxicological, and pathological studies of an affected family by Davis, L E, Kornfeld, M, Mooney, H S, Fiedler, K J, Haaland, K Y, Orrison, W W, Cernichiari, E, Clarkson, T W

“…For 3 months in 1969 a family in the United States that included a pregnant mother consumed pork containing methylmercury. Children, aged 20, 13, and 8 years…”
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Appearance and impact of post-operative intracranial clips and coils on whole-brain CT angiography and perfusion by Roach, Cayce J, Russell, Cheryl L, Hanson, Eric H, Bluett, Brent, Orrison, William W

“…Abstract Background To evaluate the effect of vascular clips and endovascular coils placed for intracranial aneurysms and arteriovenous malformations on…”
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SU‐GG‐I‐43: Measurement of Radiation, Scatter and CTDIw From the Toshiba 320‐Slice CT Scanner with and Without Shielding by Patton, P, Davis, J, Orrison, W, Hanson, E, Cadwalader, J

“…Scattered radiation has the potential to deliver high radiation doses to operators located within the scanning room during computed tomographic (CT) guided…”
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Use of a Sterile, Disposable, Radiation-Absorbing Shield Reduces Occupational Exposure to Scatter Radiation During Pectoral Device Implantation by SIMONS, GRANT R., ORRISON JR, WILLIAM W.

“…The aim of this study was to demonstrate the effectiveness of a radiation‐absorbing shield in reducing physicians' occupational radiation exposure during…”
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Neonatal hypoglycemia: CT and MR findings by Spar, JA, Lewine, JD, Orrison, WW, Jr

“…A case of neonatal hypoglycemia with extensive occipital cortical loss is presented. Imaging studies revealed a predominance of brain parenchymal loss in the…”
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Assessment of the tracer delay effect in whole-brain computed tomography perfusion: results in patients without known neuroanatomic abnormalities by Hanson, Eric H, Roach, Cayce J, Day, Kirtly J, Peters, Keith R, Bradley, Jr, William G, Ghosh, Kaushik, Patton, Phillip W, McMurray, Robert C, Orrison, Jr, William W

“…Whole-brain computed tomography perfusion (CTP) data sets generated by tracer delay-insensitive singular value decomposition plus (SVD+) and standard singular…”
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Assessment of tracer delay effect in whole-brain computed tomography perfusion: results for selected regions of interest in middle cerebral artery acute ischemic strokes by Hanson, Eric H, Roach, Cayce J, Day, Kirtly J, Ghosh, Kaushik, Peters, Keith R, Bradley, Jr, William G, Orrison, Jr, William W

“…The objective of this study was to compare the variability of computed tomography perfusion (CTP) results in identical data sets of middle cerebral artery…”
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