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Dystonia and levodopa-induced dyskinesias in Parkinson's disease: Is there a connection?
Abstract Dystonia and levodopa-induced dyskinesia (LID) are both hyperkinetic movement disorders. Dystonia arises most often spontaneously, although it may be seen after stroke, injury, or as a result of genetic causes. LID is associated with Parkinson's disease (PD), emerging as a consequence of chronic therapy with levodopa, and may be either dystonic or choreiform. LID and dystonia share important phenomenological properties and mechanisms. Both LID and dystonia are generated by an integrated circuit involving the cortex, basal ganglia, thalamus and cerebellum. They also share dysregulation of striatal choliner...
Source: Neurobiology of Disease - August 20, 2019 Category: Neurology Authors: Calabresi P, Standaert DG Tags: Neurobiol Dis Source Type: research

Sensory Re-weighting for Postural Control in Parkinson ’s Disease
In this study, we focused primarily on the change of sensory weighting parameters when sensory conditions change. We also tested the additional hypothesis that levodopa medication would improve sensory weighting for postural control. Materials and Methods Subjects The Institutional Review Board at Oregon Health and Science University (OHSU) approved the protocol for this experiment, and all subjects gave informed consent prior to participating. Eight subjects with PD (three female) and eight healthy, age-matched controls (two female) were recruited from the Balance Disorders Laboratory database and the Parkinson’...
Source: Frontiers in Human Neuroscience - April 16, 2019 Category: Neuroscience Source Type: research

Patient Preferences for Device-Aided Treatments Indicated for Advanced Parkinsons Disease (APD) (P6.391)
Conclusions: Our findings suggest that patients, on average, prefer device aided treatments over oral therapy to improve movement symptoms in advanced PD, and that a portable infusion pump is preferred to DBS. Patient preferences are important and should be considered for therapeutic and access choices in advanced PD.Disclosure: Dr. Marshall has received personal compensation for activities with AbbVie, Inc. as an employee. Dr. Hauber has received research support from AbbVie. Dr. Fairchild has received research support from AbbVie. Dr. Sail has received personal compensation from AbbVie as an employee of the organization.
Source: Neurology - April 3, 2016 Category: Neurology Authors: Marshall, T., Hauber, A. B., Fairchild, A., Sail, K. Tags: Movement Disorders: Parkinson ' s Disease II Source Type: research

Successful Management of Hemorrhage-associated Hemiballism after STN DBS with Pallidal Stimulation: A Case Report
Conclusion In our case pallidal DBS was effective in treating hemiballism that arose as a result of traumatic displacement of STN DBS electrodes. Medical management and changes in stimulation parameters failed to produce any significant change in the hemiballism. This report is only the third of its kind in the literature wherein hemiballism arising as a result of STN damage after DBS was successfully treated with pallidal stimulation.
Source: World Neurosurgery - July 10, 2015 Category: Neurosurgery Source Type: research

Dopamine dysregulation syndrome in Parkinson's disease: from clinical and neuropsychological characterisation to management and long-term outcome
Conclusions Clinicians should be aware of risk factors predisposing to DDS. Duodenal levodopa infusion and, less consistently, STN-DBS were more commonly associated with DDS remission. Effective caregiving plays a key role in long-term behavioural outcome.
Source: Journal of Neurology, Neurosurgery and Psychiatry - February 6, 2014 Category: Neurosurgery Authors: Cilia, R., Siri, C., Canesi, M., Zecchinelli, A. L., De Gaspari, D., Natuzzi, F., Tesei, S., Meucci, N., Mariani, C. B., Sacilotto, G., Zini, M., Ruffmann, C., Pezzoli, G. Tags: JNNP Patients' choice, Drugs: CNS (not psychiatric), Parkinson's disease, Stroke, Drugs misuse (including addiction) Movement disorders Source Type: research