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https://www.readbyqxmd.com/read/29334043/a-tribute-to-james-parkinson
#1
André Parent
Exactly 200 years ago, the London surgeon-apothecary James Parkinson (1755-1824) published a 66-page-long booklet entitled An Essay on the Shaking Palsy, which contains the first clear clinical description of the shaking palsy or paralysis agitans, which we now refer to as Parkinson's disease. However, the value of this essay was not fully recognized during Parkinson's lifetime, which spanned the American Revolution, the French Revolution, and the Napoleonic Wars. James Parkinson was one of the most singular figures of his time and place...
January 2018: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29332086/current-and-expected-advances-in-deep-brain-stimulation-for-movement-disorders
#2
Ausaf A Bari, Jasmine Thum, Diana Babayan, Andres M Lozano
Deep brain stimulation (DBS) has become an established treatment for medically refractory movement disorders including Parkinson's disease, essential tremor, and dystonia. The field of DBS continues to evolve with advances in patient selection, target identification, electrode and pulse generator technology, and the development of more effective stimulation paradigms such as closed-loop stimulation. Furthermore, as the safety and efficacy of DBS improves through better hardware design and deeper understanding of its mechanisms of action, the indications for DBS will continue to expand to cover a wider range of disorders...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29332076/image-guided-asleep-deep-brain-stimulation
#3
Andrew L Ko, Kim J Burchiel
Deep brain stimulation (DBS) has become an established treatment for medically refractory movement disorders including Parkinson's disease, essential tremor, and dystonia. The field of DBS continues to evolve with advances in patient selection, target identification, electrode and pulse generator technology, and the development of more effective stimulation paradigms such as closed-loop stimulation. Furthermore, as the safety and efficacy of DBS improves through better hardware design and deeper understanding of its mechanisms of action, the indications for DBS will continue to expand to cover a wider range of disorders...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29332075/patient-evaluation-and-selection-for-movement-disorders-surgery-the-changing-spectrum-of-indications
#4
Steffen Paschen, Günther Deuschl
This report summarizes the state-of-the-art and controversies around patient selection for deep brain stimulation (DBS) for various conditions. Parkinson's disease (PD): several class I studies have shown superiority of DBS over best medical treatment for advanced PD with fluctuations and further inclusion criteria. One class I study suggests that PD patients with early motor complications might gain more quality of life if operated within 3 years after the onset of fluctuations. The subthalamic nucleus (STN) is still the standard target...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29332072/medical-management-of-movement-disorders
#5
Marina Picillo, Renato P Munhoz
Pharmacological treatment is the cornerstone in the management of movement disorders. Although most available treatment options have no impact on the underlying process of each movement disorder, symptomatic therapies can significantly improve patient's quality of life and level of disability. Here, we review the current knowledge on clinical symptomatic management of Parkinson's disease (both early and advanced stages), essential tremor, dystonia, and chorea. Ideally, treatment should be carried out by specialists with reasonable experience in movement disorders, as it needs to be tailored for each patient depending on several appraisals, including but not limited to patients' needs, compliance issues, potential side effects, caregiver support, and presence of comorbidities...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29332071/clinical-presentation-and-prognosis-of-common-movement-disorders
#6
Jennifer Han, Samay Jain
Great progress has been made in expanding our understanding of the natural history of movement disorders, leading to impressive advancements in their medical and surgical management. Movement disorders are a diverse group of diseases, varying widely in clinical characteristics and evolution. Some are monosymptomatic while others have associated motor and nonmotor features. Some are static while others follow a progressive course. This chapter will review common primary and secondary movement disorders: Parkinson disease and other forms of Parkinsonism, essential tremor and its differential diagnoses, dystonia and tic disorders...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29332010/oligogenic-genetic-variation-of-neurodegenerative-disease-genes-in-980-postmortem-human-brains
#7
Michael J Keogh, Wei Wei, Juvid Aryaman, Ian Wilson, Kevin Talbot, Martin R Turner, Chris-Anne McKenzie, Claire Troakes, Johannes Attems, Colin Smith, Safa Al Sarraj, Chris M Morris, Olaf Ansorge, Stuart Pickering-Brown, Nick Jones, James W Ironside, Patrick F Chinnery
BACKGROUND: Several studies suggest that multiple rare genetic variants in genes causing monogenic forms of neurodegenerative disorders interact synergistically to increase disease risk or reduce the age of onset, but these studies have not been validated in large sporadic case series. METHODS: We analysed 980 neuropathologically characterised human brains with Alzheimer's disease (AD), Parkinson's disease-dementia with Lewy bodies (PD-DLB), frontotemporal dementia-amyotrophic lateral sclerosis (FTD-ALS) and age-matched controls...
January 13, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29329328/early-occurrence-of-inspiratory-muscle-weakness-in-parkinson-s-disease
#8
Guillaume Baille, Thierry Perez, David Devos, Valérie Deken, Luc Defebvre, Caroline Moreau
INTRODUCTION: In Parkinson's disease (PD), respiratory insufficiency (including functional and muscle disorders) can impact dysarthria and swallowing. Most studies of this topic have been performed retrospectively in populations of patients with advanced PD. The objective of the present study was to characterize lung function (under off-drug conditions) in early-stage PD patients at baseline and then again two years later. METHODS: Forty-one early-stage PD patients (mean ± SD age: 61...
2018: PloS One
https://www.readbyqxmd.com/read/29326035/myoclonus-in-the-elderly-a-retrospective-analysis-of-clinical-and-electrophysiological-characteristics-of-patients-referred-to-an-electrophysiology-laboratory
#9
Meral E Kiziltan, Aysegul Gunduz, Melih Tutuncu, Sibel Ertan, Hulya Apaydin, Gunes Kiziltan
BACKGROUND AND OBJECTIVE: Late-onset myoclonus in the elderly is mainly related to dementia or systemic disease. In this report, we aimed to investigate the clinical and electrophysiological features of patients with late-onset myoclonus. PATIENTS AND METHOD: We retrospectively assessed the medical records of patients who were referred to our electromyography laboratory. From these records, we included all patients who had myoclonus which started after the age of 60 years and in whom it was confirmed by polymyography...
December 26, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29325182/-cannabis-in-parkinson-s-disease-hype-or-help
#10
Tina Mainka, Jan Stork, Ute Hidding, Carsten Buhmann
Cannabis buds and extracts as well as synthetic cannabinoids have been available on prescription to patients with severe diseases since March 2017, with the costs covered by health insurance companies.The prescription of medical marihuana is not restricted to specific symptoms and is therefore also valid for patients with Parkinson's disease. From a legal perspective, patients who are seriously ill even have the right to be treated with cannabis if standard treatment methods are unsuccessful or result in unbearable side effects...
January 11, 2018: Fortschritte der Neurologie-Psychiatrie
https://www.readbyqxmd.com/read/29323122/effect-of-rhythmic-auditory-cueing-on-parkinsonian-gait-a-systematic-review-and-meta-analysis
#11
Shashank Ghai, Ishan Ghai, Gerd Schmitz, Alfred O Effenberg
The use of rhythmic auditory cueing to enhance gait performance in parkinsonian patients' is an emerging area of interest. Different theories and underlying neurophysiological mechanisms have been suggested for ascertaining the enhancement in motor performance. However, a consensus as to its effects based on characteristics of effective stimuli, and training dosage is still not reached. A systematic review and meta-analysis was carried out to analyze the effects of different auditory feedbacks on gait and postural performance in patients affected by Parkinson's disease...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29323027/micrornas-in-parkinson-s-disease-and-emerging-therapeutic-targets
#12
REVIEW
Bridget Martinez, Philip V Peplow
Parkinson's disease (PD) is the second most common age-related neurodegenerative disorder, with the clinical main symptoms caused by a loss of dopaminergic neurons in the substantia nigra, corpus striatum and brain cortex. Over 90% of patients with PD have sporadic PD and occur in people with no known family history of the disorder. Currently there is no cure for PD. Treatment with medications to increase dopamine relieves the symptoms but does not slow down or reverse the damage to neurons in the brain. Increasing evidence points to inflammation as a chief mediator of PD with inflammatory response mechanisms, involving microglia and leukocytes, activated following loss of dopaminergic neurons...
December 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29318592/falls-in-cognitively-impaired-older-adults-implications-for-risk-assessment-and-prevention
#13
Manuel Montero-Odasso, Mark Speechley
OBJECTIVES: To provide an overview of the role of cognition in falls, with potential implications for managing and preventing falls in older adults. DESIGN: Review. SETTING: Observational and interventional studies addressing the role of cognition on falls. PARTICIPANTS: Community-dwelling older adults (65 years and older). MEASUREMENTS: The relationship between gait and cognition in aging and neurodegeneration was reviewed in the medical literature to highlight the role of brain motor control deficits in fall risk...
January 10, 2018: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29316718/label-free-sensors-based-on-graphene-field-effect-transistors-for-the-detection-of-human-chorionic-gonadotropin-cancer-risk-biomarker
#14
Carrie Haslam, Samar Damiati, Toby Whitley, Paul Davey, Emmanuel Ifeachor, Shakil A Awan
We report on the development of label-free chemical vapour deposition (CVD) graphene field effect transistor (GFET) immunosensors for the sensitive detection of Human Chorionic Gonadotropin (hCG), a glycoprotein risk biomarker of certain cancers. The GFET sensors were fabricated on Si/SiO₂ substrate using photolithography with evaporated chromium and sputtered gold contacts. GFET channels were functionalised with a linker molecule to an immobile anti-hCG antibody on the surface of graphene. The binding reaction of the antibody with varying concentration levels of hCG antigen demonstrated the limit of detection of the GFET sensors to be below 1 pg/mL using four-probe electrical measurements...
January 8, 2018: Diagnostics
https://www.readbyqxmd.com/read/29316677/design-synthesis-and-biological-evaluation-of-novel-n-pyridyl-hydrazone-derivatives-as-potential-monoamine-oxidase-mao-inhibitors
#15
Gülhan Turan-Zitouni, Weiam Hussein, Begüm Nurpelin Sağlık, Aouatef Tabbi, Büşra Korkut
A new series of N-pyridyl-hydrazone derivatives was synthesized by using a simple and efficient method. The final compounds obtained were screened for their inhibitory potency against monoamine oxidase (MAO) A and B. The newly synthesized compounds 2a-2n specifically inhibited monoamine oxidases, displaying notably low IC50 values. Compounds 2i and 2j, with a CF₃ and OH group on the 4-position of the phenyl ring, respectively, showed considerable MAO-A and MAO-B inhibitory activities. Compounds 2k, 2l and 2n, with N-methylpyrrole, furan and pyridine moieties instead of the phenyl ring, were the most powerful and specific inhibitors of MAO-A, with IC50 values of 6...
January 8, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29316261/arrhythmia-after-cone-repair-for-ebstein-anomaly-the-mayo-clinic-experience-in-143-young-patients
#16
Philip Wackel, Bryan Cannon, Joseph Dearani, Kristen Sessions, Kimberly Holst, Jonathan Johnson, Frank Cetta
BACKGROUND: The increased incidence of preoperative and postoperative arrhythmia in Ebstein anomaly (EA) prompted some clinicians to perform an electrophysiology study (EPS) in all patients prior to surgery for EA. The cone repair (CR) is the current surgical option of choice for most young patients with EA but the effect of the CR on arrhythmia is not well established. OBJECTIVES: To assess the burden of arrhythmia in young patients after CR and to assess the utility of selective preoperative EPS...
January 8, 2018: Congenital Heart Disease
https://www.readbyqxmd.com/read/29309313/automated-mechanical-peripheral-stimulation-improves-gait-parameters-in-subjects-with-parkinson-s-disease-and-freezing-of-gait-a-randomized-clinical-trial
#17
Camila Pinto, Aline de Souza Pagnussat, Ana Francisca Rozin Kleiner, Ritchele Redivo Marchese, Ana Paula Salazar, Carlos R M Rieder, Manuela Galli
OBJECTIVE: This study aimed to assess spatiotemporal gait parameters and lower limbs range of motion (ROM) in subjects with Parkinson's Disease (PD) and freezing of gait (FOG), treated with Automated Mechanical Peripheral Stimulation (AMPS) or AMPS SHAM (placebo). DESIGN: This randomized clinical trial included thirty subjects allocated into two groups: AMPS (15 subjects with PD) and AMPS SHAM (15 subjects with PD). Fourteen age-matched healthy subjects were also included as a REFERENCE group...
January 5, 2018: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/29307562/anti-inflammatory-drug-use-and-progressive-supranuclear-palsy
#18
Connie Marras, Christopher R Cunningham, Jiayi Hou, James Proudfoot, David G Standaert, Jorge Juncos, David Riley, Stephen G Reich, Deborah Hall, Benzi Kluger, Yvette Bordelon, David R Shprecher, Irene Litvan
BACKGROUND: Anti-inflammatory drug use, particularly ibuprofen, has been associated with a lower risk of Parkinson's disease. Microglial activation and inflammatory cytokine expression have been shown to be pathological features of progressive supranuclear palsy. We examined the association between NSAID use and risk of PSP, disease severity and age at onset. METHODS: The ENGENE-PSP multicenter case-control study recruited incident PSP cases who met the NINDS-PSP Society diagnostic criteria and age-, sex- and race-matched controls primarily from the same geographical areas...
December 6, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29307505/practical-considerations-in-medical-cannabis-administration-and-dosing
#19
REVIEW
Caroline A MacCallum, Ethan B Russo
Cannabis has been employed medicinally throughout history, but its recent legal prohibition, biochemical complexity and variability, quality control issues, previous dearth of appropriately powered randomised controlled trials, and lack of pertinent education have conspired to leave clinicians in the dark as to how to advise patients pursuing such treatment. With the advent of pharmaceutical cannabis-based medicines (Sativex/nabiximols and Epidiolex), and liberalisation of access in certain nations, this ignorance of cannabis pharmacology and therapeutics has become untenable...
January 4, 2018: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/29306636/clinical-correlates-of-cerebral-white-matter-abnormalities-in-patients-with-parkinson-s-disease
#20
Bibet L Ten Harmsen, Anouke van Rumund, Marjolein B Aerts, Mayra I Bergkamp, Rianne A J Esselink, Edo Richard, Frederick J A Meijer, Bastiaan R Bloem, Daniel J van Wamelen
OBJECTIVE: To determine if autonomic dysfunction, cognitive disorders or axial disability are associated with white matter lesions (WML) in Parkinson disease (PD). METHODS: We performed a retrospective cross-sectional review study on 204 consecutive PD patients who underwent cerebral MRI in our center between January 2012 and July 2016. For each patient, we scored the severity of WML and PV (periventricular) WML using the Fazekas score and using the ARWMC scale for WML and BG (basal ganglia) and clinical characteristics such as neurogenic orthostatic hypotension and cognitive function...
December 27, 2017: Parkinsonism & related Disorders
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