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https://www.readbyqxmd.com/read/28923026/dementia-and-cognitive-disorder-identified-at-a-forensic-psychiatric-examination-a-study-from-sweden
#1
Anette Ekström, Marianne Kristiansson, Karin Sparring Björkstén
BACKGROUND: Few studies have addressed the relationship between dementia and crime. We conducted a study of persons who got a primary or secondary diagnosis of dementia or cognitive disorder in a forensic psychiatric examination. METHODS: In Sweden, annually about 500 forensic psychiatric examinations are carried out. All cases from 2008 to 2010 with the diagnoses dementia or cognitive disorder were selected from the database of the Swedish National Board of Forensic Medicine...
September 18, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28922312/maximum-step-length-test-performance-in-people-with-parkinson-disease-a-cross-sectional-study
#2
Ryan P Duncan, Marie E McNeely, Gammon M Earhart
BACKGROUND AND PURPOSE: The Maximum Step Length Test (MSLT), a measure of one's capacity to produce a large step, has been studied in older adults, but not in people with Parkinson disease (PD). We characterized performance and construct validity of the MSLT in PD. METHODS: Forty participants (mean age: 65.12 ± 8.20 years; 45% female) with idiopathic PD completed the MSLT while "OFF" and "ON" anti-PD medication. Construct validity was investigated by examining relationships between MSLT and measures of motor performance...
October 2017: Journal of Neurologic Physical Therapy: JNPT
https://www.readbyqxmd.com/read/28922167/statins-and-cognition-in-parkinson-s-disease
#3
Benjamin L Deck, Jacqueline Rick, Sharon X Xie, Alice Chen-Plotkin, John E Duda, James F Morley, Lana M Chahine, Nabila Dahodwala, John Q Trojanowski, Daniel Weintraub
The relationship between statins and cognition in Parkinson's disease (PD) is poorly understood. Analyses were performed to determine associations between statin use and cross-sectional and longitudinal cognitive performance in PD. Neuropsychological tests, medication logs, and ratings of functional abilities were collected from 313 PD participants longitudinally. At baseline, statin users (SU; N = 129) were older, more likely male, and had shorter PD duration than non-statin users (NSU; N = 184). In Cross-sectional analysis, SU performed better on global cognition, Trails B, semantic fluency, and phonemic fluency tasks...
September 11, 2017: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/28920532/the-impact-of-traumatic-brain-injury-on-later-life-effects-on-normal-aging-and-neurodegenerative-diseases
#4
Grace Sophia Griesbach, Brent E Masel, Richard Edward Helvie, Mark Ashley
The acute and chronic effects of traumatic brain injury (TBI) have been widely described; however, there is limited knowledge on how a TBI sustained during early or mid adulthood will influence aging. Epidemiological studies have explored whether TBI poses a risk for dementia and other neurodegenerative diseases associated with aging. We will discuss the influence of TBI and resulting medical comorbidities such as endocrine, sleep and inflammatory disturbances on age-related grey and white matter changes and cognitive decline...
September 16, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28917379/effectiveness-and-safety-of-acupuncture-in-the-treatment-of-parkinson-s-disease-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#5
REVIEW
Hyeonseok Noh, Seungwon Kwon, Seung-Yeon Cho, Woo-Sang Jung, Sang-Kwan Moon, Jung-Mi Park, Chang-Nam Ko, Seong-Uk Park
OBJECTIVE: This study aimed to examine the effectiveness and safety of acupuncture in the treatment of Parkinson's disease (PD). METHODS: English, Chinese, and Korean electronic databases were searched up to June 2016. Randomized controlled trials (RCTs) were eligible. The methodological quality was assessed using Cochrane's risk of bias tool. Meta-analysis was performed using RevMan 5.3. RESULTS: In total, 42 studies involving 2625 participants were systematically reviewed...
October 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/28911965/physiological-roles-of-cns-muscarinic-receptors-gained-from-knockout-mice
#6
REVIEW
Morgane Thomsen, Gunnar Sørensen, Ditte Dencker
Because the five muscarinic acetylcholine receptor subtypes have overlapping distributions in many CNS tissues, and because ligands with a high degree of selectivity for a given subtype long remained elusive, it has been difficult to determine the physiological functions of each receptor. Genetically engineered knockout mice, in which one or more muscarinic acetylcholine receptor subtype has been inactivated, have been instrumental in identifying muscarinic receptor functions in the CNS, at the neuronal, circuit, and behavioral level...
September 11, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28904448/surgical-treatment-of-levodopa-induced-dyskinesia-in-parkinson-s-disease
#7
Syam Krishnan, Krishnakumar Kesava Pisharady
The treatment of motor manifestations of Parkinson's disease (PD) is essentially a trade-off between adequate relief of motor symptoms and prevention and control of motor complications, particularly levodopa-induced dyskinesia (LID). Progression of PD is paralleled by a progressive difficulty in achieving the balance. Functional neurosurgical procedures provide sustained relief of LID in carefully selected patients when further tailoring of medical therapy fails to achieve this goal. Though deep brain stimulation (DBS) has superseded lesioning surgeries, pallidotomy still has a role in those patients in whom DBS is not feasible for financial or other reasons...
July 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28904447/levodopa-induced-dyskinesia-clinical-features-pathophysiology-and-medical-management
#8
Sanjay Pandey, Prachaya Srivanitchapoom
Levodopa-induced dyskinesia (LID) is commonly seen in Parkinson's disease patients treated with levodopa. This side effect is usually encountered after long duration of treatment, but occasionally, this may be seen even after few days or months of treatment. LID is broadly classified as peak-dose dyskinesia, wearing-off or off-period dyskinesia, and diphasic dyskinesia. Pathogenesis of LID is complex, and different neurotransmitters such as dopamine, glutamine, adenosine, and gamma-aminobutyric acid play important role altering the normal physiology of direct and indirect pathway of cortico-basal ganglia-thalamic loop responsible for fine motor control...
July 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28899330/rem-sleep-behaviour-disorder-not-just-a-bad-dream
#9
REVIEW
Elie Matar, Simon Jg Lewis
Rapid eye movement (REM) sleep behaviour disorder (RBD) is a parasomnia characterised by the loss of the normal atonia during the REM stage of sleep, resulting in overt motor behaviours that usually represent the enactment of dreams. Patients will seek medical attention due to sleep-related injuries or unpleasant dream content. Idiopathic RBD which occurs independently of any other disease occurs in up to 2% of the older population. Meanwhile, secondary RBD is very common in association with certain neurodegenerative conditions...
September 18, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/28894988/how-tandem-gait-stumbled-into-the-neurological-exam-a-review
#10
Jason Margolesky, Carlos Singer
Tandem gait testing is an integral part of the neurological exam. It is informative in a wide variety of disorders ranging from cerebellar disease to vestibular and peripheral neuropathies, parkinsonism, and other neurodegenerative conditions. We discuss the history and development of tandem gait testing as well as its technique, utility, and limitations in the assessment of neurological conditions. Tandem gait has emerged as a tool in the assessment of cerebellar disease, Huntington disease, idiopathic Parkinson's disease, atypical parkinsonism, peripheral neuropathies, and vestibulopathies...
September 11, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28894408/deep-brain-stimulation-dbs-for-movement-disorders-an-experience-in-hospital-universiti-sains-malaysia-husm-involving-12-patients
#11
Lim Liang Hooi, Diana Noma Fitzrol, Senthil Kumar Rajapathy, Tan Yew Chin, Sanihah Abdul Halim, Regunath Kandasamy, Wan Mohd Nazaruddin Wan Hassan, Badrisyah Idris, Abdul Rahman Izaini Ghani, Zamzuri Idris, John Tharakan, Sarun Nunta-Aree, Jafri Malin Abdullah
Deep brain stimulation (DBS) was first introduced in 1987 to the developed world. As a developing country Malaysia begun its movement disorder program by doing ablation therapy using the Radionics system. Hospital Universiti Sains Malaysia a rural based teaching hospital had to take into consideration both health economics and outcomes in the area that it was providing neurosurgical care for when it initiated its Deep Brain Stimulation program. Most of the patients were from the low to medium social economic groups and could not afford payment for a DBS implant...
March 2017: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/28890315/subthalamic-neural-entropy-is-a-feature-of-freezing-of-gait-in-freely-moving-people-with-parkinson-s-disease
#12
Judy Syrkin-Nikolau, Mandy Miller Koop, Thomas Prieto, Chioma Anidi, Muhammad Furqan Afzal, Anca Velisar, Zack Blumenfeld, Talora Martin, Megan Trager, Helen Bronte-Stewart
The goal of this study was to investigate subthalamic (STN) neural features of Freezers and Non-Freezers with Parkinson's disease (PD), while freely walking without freezing of gait (FOG) and during periods of FOG, which were better elicited during a novel turning and barrier gait task than during forward walking. METHODS: Synchronous STN local field potentials (LFPs), shank angular velocities, and ground reaction forces were measured in fourteen PD subjects (eight Freezers) off medication, OFF deep brain stimulation (DBS), using an investigative, implanted, sensing neurostimulator (Activa® PC+S, Medtronic, Inc...
September 7, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28882161/general-anesthesia-versus-local-anesthesia-in-stereotaxy-galaxy-for-parkinson-s-disease-study-protocol-for-a-randomized-controlled-trial
#13
R A Holewijn, D Verbaan, R M A de Bie, P R Schuurman
BACKGROUND: The aim of the study is to investigate if deep brain stimulation (DBS) in the subthalamic nucleus (STN) for Parkinson's disease (PD) under general anesthesia further improves outcome by lessening postoperative cognitive, mood, and behavioral adverse effects; shorten surgical time and hospital admittance; and produce comparable symptomatic and functional improvement to surgery under local anesthesia. METHODS/DESIGN: The study will be a single-center, prospective, randomized, open-label, blinded endpoint trial comparing DBS under general anesthesia with DBS under local anesthesia...
September 7, 2017: Trials
https://www.readbyqxmd.com/read/28879438/do-cognition-and-other-non-motor-symptoms-decline-similarly-among-patients-with-parkinson-s-disease-motor-subtypes-findings-from-a-5-year-prospective-study
#14
L Arie, Talia Herman, S Shema-Shiratzky, N Giladi, J M Hausdorff
Among patients with Parkinson's disease (PD), a wide range of motor and non-motor symptoms (NMS) are evident. PD is often divided into tremor dominant (TD) and postural instability gait difficulty (PIGD) motor subtypes. We evaluated the effect of disease duration and aimed to characterize whether there are differences in the deterioration of cognitive function and other NMS between the PIGD and TD subtypes. Sixty-three subjects were re-evaluated at the follow-up visit about 5 years after baseline examination...
September 6, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28879087/chronic-exposure-to-dopamine-agonists-affects-the-integrity-of-striatal-d2-receptors-in-parkinson-s-patients
#15
Marios Politis, Heather Wilson, Kit Wu, David J Brooks, Paola Piccini
We aimed to investigate the integrity and clinical relevance of striatal dopamine receptor type-2 (D2R) availability in Parkinson's disease (PD) patients. We studied 68 PD patients, spanning from early to advanced disease stages, and 12 healthy controls. All participants received one [(11)C]raclopride PET scan in an OFF medication condition for quantification of striatal D2R availability in vivo. Parametric images of [(11)C]raclopride non-displaceable binding potential were generated from the dynamic [(11)C]raclopride scans using implementation of the simplified reference tissue model with cerebellum as the reference tissue...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28876988/curricular-review-and-renewal-at-massey-university-a-process-to-implement-improved-learning-practices
#16
Tim J Parkinson, Jenny F Weston, Norman B Williamson
Curriculum managers of the Bachelor of Veterinary Science program at Massey University have undertaken major curricular review every 5-10 years and also made adjustments to the program as a result of student and other stakeholder feedback. New curricula introduced in 2003 and 2013 aimed to address specific stakeholder requirements in the veterinary, agricultural, and allied industries. The new curricula initially sought to strengthen clinical skills but more recently focused on the core professional skill of client communication, the integration of knowledge and clinical skills, and a better understanding of the effects of herd health interventions on farm economics...
2017: Journal of Veterinary Medical Education
https://www.readbyqxmd.com/read/28875850/pharmacological-aspects-of-neuro-immune-interactions
#17
Vadim V Tarasov, Nikita V Kudryashov, Vladimir N Chubarev, Tatiana S Kalinina, George E Barreto, Ghulam Md Ashraf, Gjumrakch Aliev
The use of systematic approach for the analysis of mechanism of action of drugs at different levels of biological organization of organism is an important task in experimental and clinical pharmacology for drug designing and increasing the efficacy and safety of drugs. The analysis of published data on pharmacological effects of psychotropic drugs possessing immunomodulatory and/or antiviral properties have shown a correlation between central effects of examined drugs associated with the impact on the processes of neurogenesis of mature brain and survival of neurons, and their ability to alter levels of key proinflammatory cytokines...
August 29, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28874252/-neurosyphilis-as-differential-diagnosis-in-psychiatry
#18
Rikke Maria Nielsen, Elena Sadovina
A 46-year-old previously healthy man was referred to a psychiatric department after debuting with persecutory delusions. He had symptoms of Parkinson's disease as well as a significant impairment of memory and cognitive function. Neurological tests detected discrete balance and rigidity problems. Paraclinical tests were normal, and neurologists explained the symptoms as side effects to the antipsychotic medication. A lumbar puncture showed high concentrations of leukocytes and protein, and syphilis screening was positive...
September 4, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28871235/increase-of-reproductive-life-span-delays-age-of-onset-of-parkinson-s-disease
#19
Dominik Frentzel, Grigorij Judanin, Olga Borozdina, Jochen Klucken, Jürgen Winkler, Johannes C M Schlachetzki
One striking observation in Parkinson's disease (PD) is the remarkable gender difference in incidence and prevalence of the disease. Data on gender differences with regard to disease onset, motor and non-motor symptoms, and dopaminergic medication are limited. Furthermore, whether estrogen status affects disease onset and progression of PD is controversially discussed. In this retrospective single center study, we extracted clinical data of 226 ambulatory PD patients and compared age of disease onset, disease stage, motor impairment, non-motor symptoms, and dopaminergic medication between genders...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28870765/a-review-of-patient-specific-gastrointestinal-parameters-as-a-platform-for-developing-in-vitro-models-for-predicting-the-in-vivo-performance-of-oral-dosage-forms-in-patients-with-parkinson-s-disease
#20
REVIEW
Erik Wollmer, Sandra Klein
Parkinson's disease (PD) is a progressive neurodegenerative disease that presents with visible motor symptoms, but that is accompanied by several additional symptoms, including gastrointestinal symptoms that may affect pharmacokinetics of oral medications. A detailed understanding of the nature of PD-specific gastrointestinal parameters and of how they may affect drug release of orally administered dosage forms seems to be essential information for developing better oral PD medications. The availability of bio-predictive drug release models simulating PD-specific gastrointestinal parameters would also be beneficial for this purpose...
September 1, 2017: International Journal of Pharmaceutics
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