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Parkinsons and treatment

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https://www.readbyqxmd.com/read/29165825/understanding-the-lived-experiences-of-parkinson-s-disease-and-deep-brain-stimulation-dbs-through-occupational-changes
#1
Jacki Liddle, Jessie Phillips, Louise Gustafsson, Peter Silburn
BACKGROUND: Deep brain stimulation (DBS), a surgically based treatment for people living with Parkinson's disease (PD), can result in a significant improvement of motor symptoms. However, the broader impact of DBS and the changes it creates are not well understood. Greater understanding of the experiences and needs related to DBS would enable development of relevant outcome measures and supports. OBJECTIVES: To explore the lived experiences of people undergoing DBS for Parkinson's disease...
November 22, 2017: Australian Occupational Therapy Journal
https://www.readbyqxmd.com/read/29164735/substituting-the-target-after-unsatisfactory-outcome-of-deep-brain-stimulation-in-advanced-parkinson-s-disease-cases-from-the-nstaps-trial-and-systematic-review-of-the-literature
#2
Timo R Ten Brinke, Vincent J J Odekerken, Teus van Laar, J Marc C van Dijk, Joke M Dijk, Pepijn van den Munckhof, P Rick Schuurman, Rob M A de Bie
BACKGROUND: Deep brain stimulation (DBS) of the globus pallidus pars interna (GPi) and the subthalamic nucleus (STN) are established treatment option in Parkinson's disease (PD). If DBS does not provide the desired effect, re-operation to the alternative target is a treatment option, but data on the effect of re-operation are scarce. OBJECTIVES: The objective of this study is to evaluate the clinical effect of re-operation the alternative target after failure of initial STN or GPi DBS for Parkinson's disease...
November 22, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29164724/intraoperative-localization-of-the-subthalamic-nucleus-using-long-latency-somatosensory-evoked-potentials
#3
Carlos Trenado, Saskia Elben, Lena Friggemann, Stefan Jun Groiss, Jan Vesper, Alfons Schnitzler, Lars Wojtecki
BACKGROUND: Target localization for deep brain stimulation (DBS) is a challenging step that determines not only the correct placement of stimulation electrodes, but also influences the success of the DBS procedure as reflected in the desired clinical outcome of a patient. OBJECTIVE: We report on the feasibility of DBS target localization in the subthalamic nucleus (STN) by long-latency somatosensory evoked potentials (LL-SSEPs) (>40 msec) in Parkinson's disease (PD) patients...
November 22, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29164519/atorvastatin-prevents-early-oxidative-events-and-modulates-inflammatory-mediators-in-the-striatum-following-intranasal-1-methyl-4-phenyl-1-2-3-6-tetrahydropyridine-mptp-administration-in-rats
#4
Naiani F Marques, Adalberto A Castro, Gianni Mancini, Fernanda L Rocha, Adair R S Santos, Rui D Prediger, Andreza Fabro De Bem, Carla I Tasca
Atorvastatin is a 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase inhibitor with cholesterol-lowering, anti-inflammatory, and antioxidant properties. Increasing evidence show atorvastatin acts as a protective agent against insults in the central nervous system (CNS). The regular use of statins has been associated with a reduced risk of Parkinson's disease (PD) development. Here, we evaluated early events involved in the neurotoxicity induced by intranasal (i.n.) infusion of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) in rats and the potential of atorvastatin to prevent these early toxic events...
November 21, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/29164312/efficacy-and-safety-of-rotigotine-in-elderly-patients-with-parkinson-s-disease-in-comparison-with-the-non-elderly-a-post-hoc-analysis-of-randomized-double-blind-placebo-controlled-trials
#5
Masahiro Nomoto, Hirotaka Iwaki, Hiroyuki Kondo, Masaya Sakurai
Rotigotine-a non-ergot dopamine agonist-has two advantages; it can stimulate all dopamine receptors (D1-D5) like innate dopamine, and its transdermal administration provides continuous dopaminergic stimulation. The age of the patient impacts the effect and adverse events of anti-parkinsonian treatment. We conducted a post hoc analysis on three randomized, double-blind, placebo-controlled trials performed in Japan to clarify the difference of anti-parkinsonian treatment in elderly and non-elderly patients. Data from two combination therapy trials (with levodopa) in advanced stage Parkinson's disease patients and one monotherapy trial in early stage patients were pooled and grouped by age (non-elderly aged < 70, elderly aged 70 +)...
November 21, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/29163234/a-comparison-of-treatment-seeking-behavioral-addiction-patients-with-and-without-parkinson-s-disease
#6
Anne Sauvaget, Susana Jiménez-Murcia, Fernando Fernández-Aranda, Roser Granero, Marie Grall-Bronnec, Caroline Victorri-Vigneau, Samuel Bulteau, Pascal Derkinderen, Jean M Vanelle, Anders Hakansson, Gemma Mestre-Bach, Trevor Steward, José M Menchón
The administration of dopaminergic medication to treat the symptoms of Parkinson's disease (PD) is associated with addictive behaviors and impulse control disorders. Little is known, however, on how PD patients differ from other patients seeking treatments for behavioral addictions. The aim of this study was to compare the characteristics of behavioral addiction patients with and without PD. N = 2,460 treatment-seeking men diagnosed with a behavioral addiction were recruited from a university hospital. Sociodemographic, impulsivity [Barratt Impulsiveness Scale (BIS-11)], and personality [Temperament and Character Inventory-Revised (TCI-R)] measures were taken upon admission to outpatient treatment...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29163226/adenosine-a2a-receptor-modulates-the-activity-of-globus-pallidus-neurons-in-rats
#7
Hui-Ling Diao, Yan Xue, Xiao-Hua Han, Shuang-Yan Wang, Cui Liu, Wen-Fang Chen, Lei Chen
The globus pallidus is a central nucleus in the basal ganglia motor control circuit. Morphological studies have revealed the expression of adenosine A2A receptors in the globus pallidus. To determine the modulation of adenosine A2A receptors on the activity of pallidal neurons in both normal and parkinsonian rats, in vivo electrophysiological and behavioral tests were performed in the present study. The extracellular single unit recordings showed that micro-pressure administration of adenosine A2A receptor agonist, CGS21680, regulated the pallidal firing activity...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29163139/exercise-induced-neuroprotection-of-the-nigrostriatal-dopamine-system-in-parkinson-s-disease
#8
REVIEW
Lijuan Hou, Wei Chen, Xiaoli Liu, Decai Qiao, Fu-Ming Zhou
Epidemiological studies indicate that physical activity and exercise may reduce the risk of developing Parkinson's disease (PD), and clinical observations suggest that physical exercise can reduce the motor symptoms in PD patients. In experimental animals, a profound observation is that exercise of appropriate timing, duration, and intensity can reduce toxin-induced lesion of the nigrostriatal dopamine (DA) system in animal PD models, although negative results have also been reported, potentially due to inappropriate timing and intensity of the exercise regimen...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29161531/pulmonary-safety-and-tolerability-of-inhaled-levodopa-cvt-301-administered-to-patients-with-parkinson-s-disease
#9
Peter A LeWitt, Rajesh Pahwa, Alexander Sedkov, Ann Corbin, Richard Batycky, Harald Murck
BACKGROUND: CVT-301, an inhaled levodopa (LD) formulation, is under development for relief of OFF periods in Parkinson's disease (PD). Previously, we reported that CVT-301 improved OFF symptoms relative to placebo. In this study, we evaluate pulmonary function in patients treated with a single dose of CVT-301 or placebo for 3 hours, or received multiple doses/day for 4 weeks. METHODS: As part of two phase 2 studies, pulmonary safety and tolerability of CVT-301 were evaluated in PD patients experiencing motor fluctuations (≥2 hours OFF/day), Hoehn and Yahr stage 1-3, and forced expiratory volume in 1 second/forced vital capacity ratio ≥75% of predicted (in ON state)...
November 21, 2017: Journal of Aerosol Medicine and Pulmonary Drug Delivery
https://www.readbyqxmd.com/read/29160144/parkinson-s-disease-psychosis-presentation-diagnosis-and-management
#10
Ruth B Schneider, Julia Iourinets, Irene H Richard
Parkinson's disease is a neurodegenerative disorder characterized by motor and nonmotor symptoms. Psychosis is a common feature of Parkinson's disease. Parkinson's disease psychosis (PDP) encompasses minor phenomena (illusions, passage hallucinations and presence hallucinations), visual and nonvisual hallucinations and delusions. PDP is associated with reduced function and quality of life. The initial management approach should focus on identification and treatment of any contributory medical factors, reduction or discontinuation of medications with potential to induce or worsen psychosis, nonpharmacological strategies and consideration of acetylcholinesterase inhibitor treatment in the setting of dementia...
November 21, 2017: Neurodegenerative Disease Management
https://www.readbyqxmd.com/read/29159466/efficacy-and-safety-of-perampanel-in-parkinson-s-disease-a-systematic-review-with-meta-analysis
#11
REVIEW
Simona Lattanzi, Elisabetta Grillo, Francesco Brigo, Mauro Silvestrini
BACKGROUND: L-Dopa represents the mainstay of therapy of Parkinson's disease (PD), but its effectiveness is reduced with continued treatment and disease progression. Accordingly, there remains a need to explore novel treatment strategies to manage the signs and symptoms of the later disease stages. The aim of the study was to evaluate the efficacy and safety of adjunctive perampanel (PER) in patients with PD through a meta-analysis of existing trials. METHODS: Randomized, placebo-controlled, double- or single-blind, add-on studies of PER in patients with PD were identified through a systematic literature search...
November 20, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/29159192/sex-differences-in-lrrk2-g2019s-and-idiopathic-parkinson-s-disease
#12
Marta San Luciano, Cuiling Wang, Roberto A Ortega, Nir Giladi, Karen Marder, Susan Bressman, Rachel Saunders-Pullman
Objective: To evaluate sex differences and the relative effect of G2019S LRRK2 mutations in Parkinson's disease (PD). Methods: 530 LRRK2 PD carriers and 759 noncarrier PD (idiopathic, IPD) evaluated as part of the Fox Foundation (MJFF) Consortium were included. All participants completed a study visit including information on clinical features, treatment, examination, and motor and nonmotor questionnaires. Clinical features were compared between men and women separately for IPD and LRRK2 PD; and features were compared between IPD and LRRK2 PD separately for men and women...
November 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/29158943/depression-in-parkinson-s-disease-the-contribution-from-animal-studies
#13
REVIEW
Jéssica Lopes Fontoura, Camila Baptista, Flávia de Brito Pedroso, José Augusto Pochapski, Edmar Miyoshi, Marcelo Machado Ferro
Besides being better known for causing motor impairments, Parkinson's disease (PD) can also cause many nonmotor symptoms, like depression and anxiety, which can cause significant loss of life quality and may not respond to regular drugs treatment. In this review, we discuss the depression in PD, based on data from studies in humans and rodents. Depression frequency seems higher in PD patients than in general population, despite high variation in data due to diagnosis disparities. Development of depression in PD seems more likely to be caused by the nigrostriatal pathway degeneration than as a consequence of the awareness of disease prognostic, and it seems to be related to dopaminergic, noradrenergic, and serotoninergic synapses deficits...
2017: Parkinson's Disease
https://www.readbyqxmd.com/read/29158176/decreased-mcl-1-protein-level-in-the-striatum-of-1-methyl-4-phenyl-1-2-3-6-tetrahydropyridine-mptp-treated-mice
#14
Edward Lu, Sumit Sarkar, James Raymick, Merle G Paule, Qiang Gu
1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) is a well-known neurotoxicant that can selectively destroy dopaminergic neurons and MPTP-treated animals are often used as models for studying aspects of Parkinson's disease (PD). While apoptosis has been suggested as a possible mechanism underlying MPTP-induced cell death and several apoptosis-associated proteins have been implicated in MPTP-animal models, relevant information regarding the possible involvement of Mcl-1 (myeloid cell leukemia 1) protein is missing...
November 17, 2017: Brain Research
https://www.readbyqxmd.com/read/29157667/a-case-of-multiple-system-atrophy-parkinsonian-type-with-stuttering-and-palilalia-like-dysfluencies-and-putaminal-atrophy
#15
Yoshikazu Kikuchi, Toshiro Umezaki, Taira Uehara, Hiroo Yamaguchi, Koji Yamashita, Akio Hiwatashi, Motohiro Sawatsubashi, Kazuo Adachi, Yumi Yamaguchi, Daisuke Murakami, Jun-Ichi Kira, Takashi Nakagawa
Both developmental and acquired stuttering are related to the function of the basal ganglia-thalamocortical loop, which includes the putamen. Here, we present a case of stuttering- and palilalia-like dysfluencies that manifested as an early symptom of multiple system atrophy-parkinsonian type (MSA-P) and bilateral atrophy of the putamen. The patient was a 72-year-old man with no history of developmental stuttering who presented with a stutter for consultation with our otorhinolaryngology department. The patient was diagnosed with MSA-P based on parkinsonism, autonomic dysfunction, and bilateral putaminal atrophy revealed by T2-weighted magnetic resonance imaging...
November 14, 2017: Journal of Fluency Disorders
https://www.readbyqxmd.com/read/29157315/botulinum-toxin-type-a-injections-as-monotherapy-for-upper-limb-essential-tremor-using-kinematics
#16
Olivia Samotus, Niraj Kumar, Philippe Rizek, Mandar Jog
BACKGROUND: There is a significant need for a targeted therapy for essential tremor (ET), as medications have not been developed specifically for ET, and the ones prescribed are often not well-tolerated, so that many patients remain untreated. Recent work has shown that, unlike previous experience, kinematically guided individualized botulinum toxin type A (BoNT-A) injections provide benefit along with minimal weakness. Ours is the first long-term (96-week) safety and efficacy study of BoNT-A as monotherapy for ET using kinematically driven injection parameters...
November 21, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29156129/small-molecule-mitochondrial-uncouplers-and-their-therapeutic-potential
#17
Elizabeth S Childress, Stephanie J Alexopoulos, Kyle L Hoehn, Webster L Santos
Small molecule mitohondrial uncouplers transport protons from the mitochondrial inner membrane space into the mitochondrial matrix independent of ATP synthase, uncoupling nutrient metabolism from ATP generation. The therapeutic potential of mitochondrial uncouplers have been investigated for the treatment metabolic diseases such as obesity and type 2 diabetes (T2D), as well as for neurodegenerative diseases including Alzheimer's disease and Parkinson's disease. This perspective will review the mitochondrial uncouplers reported to date and explore their potential as therapeutics...
November 20, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29154708/urethral-diverticulum-and-urolithiasis-in-a-female-guinea-pig-cavia-porcellus
#18
Lily A B Parkinson, Jennifer C Hausmann, Robert J Hardie, Megan A Mickelson, Kurt K Sladky
CASE DESCRIPTION A 5-year-old sexually intact female guinea pig was evaluated because of mild dysuria and a subcutaneous mass located cranioventral to the urogenital openings. CLINICAL FINDINGS Non-contrast-enhanced CT and surgical exploration of the distal aspect of the urethra revealed a urethral diverticulum with an intraluminal urolith. Analysis revealed that the urolith was composed of calcium carbonate and struvite. TREATMENT AND OUTCOME The urolith was surgically removed and ablation of the urethral diverticulum was attempted...
December 1, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/29154036/inhibition-of-cathepsin-l-alleviates-the-microglia-mediated-neuroinflammatory-responses-through-caspase-8-and-nf-%C3%AE%C2%BAb-pathways
#19
Shaoqing Xu, Hui Zhang, Xiaodong Yang, Yiwei Qian, Qin Xiao
Cathepsin L (CTSL) has been shown to participate in the microglia-mediated neuroinflammation. However, the role of CTSL in neuroinflammation remains to be elucidated. In this study, CTSL was found to be upregulated on lipopolysaccharide (LPS) stimulation. The neuroinflammatory responses on LPS stimulation were ameliorated by inhibition or deficiency of CTSL in vitro or vivo. Treatment with conditioned medium of activated BV2 cells in SH-SY5Y cells showed that CTSL inhibition reduced microglia-mediated neurotoxicity...
October 6, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/29152502/target-specific-deep-brain-stimulation-of-the-ventral-capsule-ventral-striatum-for-the-treatment-of-neuropsychiatric-disease
#20
Chencheng Zhang, Dianyou Li, Haiyan Jin, Kristina Zeljic, Bomin Sun
Deep brain stimulation (DBS) is a well-established therapy for Parkinson's disease and other movement disorders. An accumulating body of evidence supports the extension of DBS application for the treatment of refractory psychiatric disorders. The ventral capsule/ventral striatum (VC/VS) is the most common anatomical target for obsessive-compulsive disorder (OCD), addiction, and depression. However, no specific electrode is available for the clinical targeting of these areas for DBS. According to the anatomical features of the VC/VS, a novel electrode was developed for simultaneous and independently programmed stimulation of the nucleus accumbens (NAc) and the anterior limb of the internal capsule (ALIC)...
October 2017: Annals of Translational Medicine
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