Search Results - "HAMMERSTAD, J"

DBS and diathermy interaction induces severe CNS damage by NUTT, J. G, ANDERSON, V. C, PEACOCK, J. H, HAMMERSTAD, J. P, BURCHIEL, K. J

“…Pulse-modulated radiofrequency diathermy treatment to the maxilla produced permanent diencephalic and brainstem lesions and a vegetative state in a patient…”
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Ropinirole for the treatment of early Parkinson's disease by ADLER, C. H, SETHI, K. D, HAUSER, R. A, DAVIS, T. L, HAMMERSTAD, J. P, BERTONI, J, TAYLOR, R. L, SANCHEZ-RAMOS, J, O'BRIEN, C. F

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Interactions between deep brain stimulation and levodopa in Parkinson's disease by NUTT, J. G, RUFENER, S. L, CARTER, J. H, ANDERSON, V. C, PAHWA, R, HAMMERSTAD, J. P, BURCHIEL, K. J

“…To quantify the effects of deep brain stimulation (DBS) of globus pallidus interna (GPi) and subthalamic nucleus (STN) on motor fluctuations and dyskinesia in…”
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Effect of peripheral catechol-O-methyltransferase inhibition on the pharmacokinetics and pharmacodynamics of levodopa in parkinsonian patients by NUTT, J. G, WOODWARD, W. R, BECKNER, R. M, STONE, C. K, BERGGREN, K, CARTER, J. H, GANCHER, S. T, HAMMERSTAD, J. P, GORDIN, A

“…Catechol-O-methyltransferase (COMT) metabolizes a portion of administered levodopa and thus makes it unavailable for conversion to dopamine in the brain. In an…”
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Networks mediating the clinical effects of pallidal brain stimulation for Parkinson's disease: A pet study of resting-state glucose metabolism by FUKUDA, M, MENTIS, M. J, MOELLER, J. R, EIDELBERG, D, MA, Y, DHAWAN, V, ANTONINI, A, LANG, A. E, LOZANO, A. M, HAMMERSTAD, J, LYONS, K, KOLLER, W. C

“…Employing [(18)F]fluorodeoxyglucose (FDG) and PET, we have found previously that stereotaxic ablation of the internal globus pallidus (GPi) for Parkinson's…”
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Comparison of pallidal and subthalamic nucleus deep brain stimulation for advanced Parkinson's disease: results of a randomized, blinded pilot study by Burchiel, K J, Anderson, V C, Favre, J, Hammerstad, J P

“…Deep brain stimulation (DBS) of the globus pallidus internus (GPi) and subthalamic nucleus (STN) has been reported to be effective in alleviating the symptoms…”
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Patterns of Asymmetry Do Not Change Over the Course of Idiopathic Parkinsonism: Implications for Pathogenesis by Lee, C S, Schulzer, M, Mak, E, Hammerstad, J P, Calne, S, Calne, D B

“…Article abstract-We investigated the asymmetry of focal deficits of bradykinesia in a cross-sectional study of 198 patients with idiopathic parkinsonism. We…”
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3-Nitropropionic acid-exogenous animal neurotoxin and possible human striatal toxin by Ludolph, A C, He, F, Spencer, P S, Hammerstad, J, Sabri, M

“…3-Nitropropionic acid (3-NPA)--a suicide inhibitor of succinate dehydrogenase--is a widely distributed plant and fungal neurotoxin known to induce a damage to…”
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Jaw movement dysfunction related to Parkinson's disease and partially modified by levodopa by Robertson, L T, Hammerstad, J P

“…OBJECTIVES--To test the hypotheses that Parkinson's disease can differentially produce deficits in voluntary and rhythmic jaw movements, which involve…”
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Clinical observations on the rate of progression of idiopathic parkinsonism by Lee, C S, Schulzer, M, Mak, E K, Snow, B J, Tsui, J K, Calne, S, Hammerstad, J, Calne, D B

“…The time course of evolution of clinical deficits has been a traditional guide to the nature of the aetiopathogenesis of neurological disease. We studied the…”
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Dihydroergotamine nasal spray for the acute treatment of migraine by ZIEGLER, D, FORD, R, DISERIO, F, KRIEGLER, J, GALLAGHER, R. M, PEROUTKA, S, HAMMERSTAD, J, SAPER, J, HOFFERT, M, VOGEL, B, HOLTZ, N

“…We conducted a multicenter, double-blind, parallel-group study to compare the efficacy and safety of dihydroergotamine (DHE) nasal spray and placebo over 4…”
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The "on-off" phenomenon in Parkinson's disease. Relation to levodopa absorption and transport by Nutt, J G, Woodward, W R, Hammerstad, J P, Carter, J H, Anderson, J L

“…To determine whether the oscillating clinical response to levodopa in Parkinson's disease (the "on-off" phenomenon) reflects fluctuations in absorption and…”
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Parkinson's disease: surgical options by Hammerstad, J, Hogarth, P

“…The introduction of levodopa revolutionized the treatment of Parkinson's disease. However, complications of therapy that diminish functional capacity…”
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Failure of long-term pallidal stimulation corrected by subthalamic stimulation in PD by HAMMERSTAD, J, BURCHIEL, K, DAMIER, P, LEBANON, Byblos-Jbeil, ANDERSON, V, NUTT, J, HOUETO, J. L, BONNET, A. M, PIDOUX, B, CORNU, P, AGID, Y, BEJJANI, B. P

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Networks mediating the clinical effects of pallidal brain stimulation for Parkinson's disease by Fukuda, M., Mentis, M. J., Ma, Y., Dhawan, V., Antonini, A., Lang, A. E., Lozano, A. M., Hammerstad, J., Lyons, K., Koller, W. C., Moeller, J. R., Eidelberg, D.

“…Employing [18F]fluorodeoxyglucose (FDG) and PET, we have found previously that stereotaxic ablation of the internal globus pallidus (GPi) for Parkinson's…”
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Assessments of axial motor control during deep brain stimulation in parkinsonian patients by Robertson, L T, Horak, F B, Anderson, V C, Burchiel, K J, Hammerstad, J P

“…We tested the hypothesis that bilateral deep brain stimulation (DBS) in the globus pallidus internus or the subthalamic nucleus improves various components of…”
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Solution Structure of Reduced Plastocyanin from the Blue-Green Alga Anabaena variabilis by Badsberg, Ulla, Jørgensen, Anne Marie M, Gesmar, Henrik, Led, Jens J, Hammerstad, Jan M, Jespersen, Lise-Lotte, Ulstrup, Jens

“…The three-dimensional solution structure of plastocyanin from Anabaena variabilis (A.v. PCu) has been determined by nuclear magnetic resonance spectroscopy…”
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Controlled release levodopa/carbidopa 25/100 (Sinemet CR 25/100): pharmacokinetics and clinical efficacy in untreated parkinsonian patients by Hammerstad, J P, Woodward, W R, Nutt, J G, Gancher, S T, Block, G A, Cyhan, G

“…The pharmacokinetics of the clinically determined optimal dose of controlled release levodopa/carbidopa 25/100 (Sinemet CR 25/100) after 12 weeks of therapy…”
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Pramipexole vs Levodopa as Initial Treatment for Parkinson Disease: A Randomized Controlled Trial by Holloway, R

“…CONTEXT Pramipexole and levodopa both ameliorate the motor symptoms of early Parkinson disease (PD), but no controlled studies have compared long-term outcomes…”
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Does tolerance develop to levodopa? Comparison of 2- and 21-H levodopa infusions by Nutt, J G, Carter, J H, Woodward, W, Hammerstad, J P, Gancher, S T

“…To determine if acute tolerance to levodopa develops, we compared the response to 2- and 21-h levodopa infusions with the rate adjusted during the long…”
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