Parkinson Disease
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Fludrocortisone for Orthostatic Hypotension Associated With Parkinson’s Disease
This double-center, double-blind, randomized, controlled trial compared the efficacy of pyridostigmine bromide vs. fludrocortisone and demonstrated that pyridostigmine bromide was not as effective as fludrocortisone. The authors also provided evidence for the efficacy of fludrocortisone in treating neurogenic orthostatic hypotension.
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Ambulatory Autonomic Testing in Multiple System Atrophy and Parkinson’s Disease
A comparison of ambulatory blood pressure monitoring with tilt-table testing in 23 patients with multiple system atrophy, 18 with Parkinson’s disease and autonomic dysfunction, and 33 with Parkinson’s disease alone demonstrated 82% sensitivity and 100% specificity in detecting orthostatic hypotension. This suggests ambulatory monitoring provides valuable information on these patients’ function.
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Statins Associated with Lower Parkinson’s Risk in Diabetics
In approximately 50,000 individuals with Parkinson’s disease and diabetes, identified from a National Health Insurance database in Taiwan, statin use was dose-dependently associated with lower risk of Parkinson’s disease. This strengthens the argument for a possible protective role of statins.
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Postmortem Evidence of Limbic, Neocortical, and Basal Ganglia Deficits in Parkinson’s Disease Dementia
Postmortem brain tissue from 15 individuals with Parkinson’s disease dementia was analyzed by high-performance liquid chromatography and immunoassays, revealing widespread deficits in dopamine, serotonin, and noradrenaline innervation.
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Lower Risk of Parkinson’s Disease After Vagotomy: Implications for Spread of Pathology
Truncal vagotomy was associated with a reduced risk for Parkinson’s disease with a hazard ratio of 0.58 for those with more than 20 years’ follow-up. This suggests the vagus nerve as a possible route of entry into the central nervous system for this neurodegenerative process.
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Repetitive Transcranial Magnetic Stimulation for Treatment of Parkinson’s Disease
In several randomized, sham-controlled trials, repetitive transcranial magnetic stimulation was shown to be effective in reducing the motor manifestations of Parkinson’s disease, with minimal side effects.
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Linking Traumatic Brain Injury and Parkinson’s Disease: The Evidence Builds
A retrospective study based on an administrative database compared more than 50,000 admissions with traumatic brain injury (TBI) with more than 100,000 admissions for other traumatic injury, and found that TBI in individuals older than 55 years of age led to a 44% increased risk of developing Parkinson’s disease in the ensuing 5-7 years.