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Parkinson's Disease

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https://www.readbyqxmd.com/read/29971141/standardised-neuropsychological-assessment-for-the-selection-of-patients-undergoing-dbs-for-parkinson-s-disease
#1
Jennifer A Foley, Tom Foltynie, Patricia Limousin, Lisa Cipolotti
DBS is an increasingly offered advanced treatment for Parkinson's disease (PD). Neuropsychological assessment is considered to be an important part of the screening for selection of candidates for this treatment. However, no standardised screening procedure currently exists. In this study, we examined the use of our standardised neuropsychological assessment for the evaluation of surgical candidates and to identify risk factors for subsequent decline in cognition and mood. A total of 40 patients were assessed before and after DBS...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29951186/apathy-following-bilateral-deep-brain-stimulation-of-subthalamic-nucleus-in-parkinson-s-disease-a-meta-analysis
#2
REVIEW
Ying Wang, Yongsheng Li, Xiaona Zhang, Anmu Xie
Bilateral deep brain stimulation of subthalamic nucleus (STN-DBS) has proven effective in improving motor symptoms in Parkinson's disease (PD) patients. However, psychiatric changes after surgery are controversial. In this study, we specifically analyzed apathy following bilateral STN-DBS in PD patients using a meta-analysis. Relevant articles utilized for this study were obtained through literature search on PubMed, ScienceDirect, and Embase databases. The articles included were those contained both pre- and postsurgery apathy data acquired using the Starkstein Apathy Scale or Apathy Evaluation Scale with patient follow-up of at least three months...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29887985/oxidized-dj-1-levels-in-urine-samples-as-a-putative-biomarker-for-parkinson-s-disease
#3
Jihoon Jang, Soyeon Jeong, Sung Ik Lee, Wongi Seol, Hyemyung Seo, Ilhong Son, Dong Hwan Ho
Parkinson's disease (PD) is the second most common neurodegenerative disease. Oxidative stress is the most critical risk factor for neurodegenerative diseases, including Alzheimer's disease (AD) and Huntington's disease (HD). Numerous reports have demonstrated that oxidative stress aggravates cytotoxicity in dopaminergic neurons and accelerates the formation of protein inclusions. In addition, oxidative stress, such as 4-hydroxynonenal (HNE), oxidized protein, and dopamine quinone, are related to PD progression...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29862010/sensitivity-and-specificity-of-the-ecas-in-parkinson-s-disease-and-progressive-supranuclear-palsy
#4
Jennifer A Foley, Elaine H Niven, Andrew Paget, Kailash P Bhatia, Simon F Farmer, Paul R Jarman, Patricia Limousin, Thomas T Warner, Huw R Morris, Thomas H Bak, Sharon Abrahams, Lisa Cipolotti
Disentangling Parkinson's disease (PD) and progressive supranuclear palsy (PSP) may be a diagnostic challenge. Cognitive signs may be useful, but existing screens are often insufficiently sensitive or unsuitable for assessing people with motor disorders. We investigated whether the newly developed ECAS, designed to be used with people with even severe motor disability, was sensitive to the cognitive impairment seen in PD and PSP and able to distinguish between these two disorders. Thirty patients with PD, 11 patients with PSP, and 40 healthy controls were assessed using the ECAS, as well as an extensive neuropsychological assessment...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29854385/oral-health-of-parkinson-s-disease-patients-a-case-control-study
#5
Marjolein A E van Stiphout, Johan Marinus, Jacobus J van Hilten, Frank Lobbezoo, Cees de Baat
The aim of the study was to examine the oral health status of Parkinson's disease (PD) patients, to compare their oral health status to that of a control group, and to relate it to the duration and severity of PD. Materials and Methods . 74 PD patients and 74 controls were interviewed and orally examined. Among PD patients, the duration and the Hoehn and Yahr stage (HY) of the disease were registered. Results . More PD patients than controls reported oral hygiene care support as well as chewing/biting problems, taste disturbance, tooth mobility, and xerostomia, whereas dentate patients had more teeth with carious lesions, tooth root remnants, and biofilm...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29854384/serum-homocysteine-level-in-parkinson-s-disease-and-its-association-with-duration-cardinal-manifestation-and-severity-of-disease
#6
Payam Saadat, Alijan Ahmadi Ahangar, Seyed Ehsan Samaei, Alireza Firozjaie, Fatemeh Abbaspour, Sorrayya Khafri, Azam Khoddami
Background and Purpose: Due to the high prevalence of Parkinson's disease (PD) in the elderly, a large financial burden is imposed on the families and health systems of countries in addition to the problems related to the mobility impairment caused by the disease for the patients. Studies on controversial issues in this disease are taken into consideration, and one of these cases is the role of serum homocysteine level in Parkinson's patients. In this study, the serum level of homocysteine and its association with various variables in relation to this disease was compared with healthy individuals...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29850017/demographic-and-clinical-predictors-of-trait-impulsivity-in-parkinson-s-disease-patients
#7
Maddeson Riley, Megan Bakeberg, Michelle Byrnes, Alexa Jefferson, Soumya Ghosh, Rick Stell, Frank L Mastaglia, Dana Hince, Ryan S Anderton
Background: Impulsive behaviour has become increasingly recognised as a neuropsychiatric complication of Parkinson's disease (PD). Thought to be a product of compromised cognitive control, the spectrum of impulsive behaviours in PD ranges from cognitive disinhibition to impulse control disorders (ICDs). Objective: At present, there are no indicators for trait impulsivity in PD. The objective of the current study was to identify demographic and clinical predictors of susceptibility to trait impulsivity in a cohort of PD patients...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29850016/the-rs13388259-intergenic-polymorphism-in-the-genomic-context-of-the-bcyrn1-gene-is-associated-with-parkinson-s-disease-in-the-hungarian-population
#8
Sándor Márki, Anikó Göblös, Eszter Szlávicz, Nóra Török, Péter Balicza, Benjamin Bereznai, Annamária Takáts, József Engelhardt, Péter Klivényi, László Vécsei, Mária Judit Molnár, Nikoletta Nagy, Márta Széll
Parkinson's disease (PD) is a common neurodegenerative disorder characterized by bradykinesia, resting tremor, and muscle rigidity. To date, approximately 50 genes have been implicated in PD pathogenesis, including both Mendelian genes with rare mutations and low-penetrance genes with common polymorphisms. Previous studies of low-penetrance genes focused on protein-coding genes, and less attention was given to long noncoding RNAs (lncRNAs). In this study, we aimed to investigate the susceptibility roles of lncRNA gene polymorphisms in the development of PD...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29850015/resting-state-fmri-a-valuable-tool-for-studying-cognitive-dysfunction-in-pd
#9
REVIEW
Kai Li, Wen Su, Shu-Hua Li, Ying Jin, Hai-Bo Chen
Cognitive impairment is a common disabling symptom in PD. Unlike motor symptoms, the mechanism underlying cognitive dysfunction in Parkinson's disease (PD) remains unclear and may involve multiple pathophysiological processes. Resting state functional magnetic resonance imaging (rs-fMRI) is a fast-developing research field, and its application in cognitive impairments in PD is rapidly growing. In this review, we summarize rs-fMRI studies on cognitive function in PD and discuss the strong potential of rs-fMRI in this area...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29850014/absent-audiovisual-integration-elicited-by-peripheral-stimuli-in-parkinson-s-disease
#10
Yanna Ren, Keisuke Suzuki, Weiping Yang, Yanling Ren, Fengxia Wu, Jiajia Yang, Satoshi Takahashi, Yoshimichi Ejima, Jinglong Wu, Koichi Hirata
The basal ganglia, which have been shown to be a significant multisensory hub, are disordered in Parkinson's disease (PD). This study was to investigate the audiovisual integration of peripheral stimuli in PD patients with/without sleep disturbances. Thirty-six age-matched normal controls (NC) and 30 PD patients were recruited for an auditory/visual discrimination experiment. The mean response times for each participant were analyzed using repeated measures ANOVA and race model. The results showed that the response to all stimuli was significantly delayed for PD compared to NC (all p < 0...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29850013/coping-with-cognitive-impairment-in-people-with-parkinson-s-disease-and-their-carers-a-qualitative-study
#11
Rachael A Lawson, Daniel Collerton, John-Paul Taylor, David J Burn, Katie R Brittain
Cognitive impairment is common in Parkinson's disease (PD). However, the psychosocial impact of living and coping with PD and cognitive impairment in people with PD and their carers have not been explored. This paper draws on a qualitative study that explores the subjective impact of cognitive impairment on people with PD and their carers. Thirty-six one-to-one interviews were completed; people with PD were from three groups: normal cognition, mild cognitive impairment, and dementia. Data collection and analysis were iterative, and verbatim transcripts were analysed using thematic analysis...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29808113/clinimetrics-of-the-9-and-19-item-wearing-off-questionnaire-a-systematic-review
#12
REVIEW
Carlos E Mantese, Artur Schumacher-Schuh, Carlos R M Rieder
The treatment of Parkinson's disease (PD) with dopaminergic therapy improves functionality and quality of life. However, as the disease progresses, the wearing-off phenomenon develops, which necessitates complex posology adjustment or adjuvant therapy. This phenomenon may not be well recognized, especially if it is mild or involves nonmotor symptoms. Questionnaires were developed to improve the recognition of the wearing-off phenomenon. The questionnaires consist of a list of symptoms that patients must check if they have and if the symptoms improve with medication...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29808112/the-association-between-e326k-of-gba-and-the-risk-of-parkinson-s-disease
#13
REVIEW
Yongpan Huang, Langmei Deng, Yanjun Zhong, Minhan Yi
It is reported that both the homozygous and heterozygous states of GBA mutations which are the causes of Gaucher disease (GD) are linked to the risk of PD. However, the GBA variant p.E326K (c.1093G > A, rs2230288), which does not result in GD in homozygous carriers, has triggered debate among experts studying Parkinson's disease (PD). In order to determine if the E326K variant of GBA is associated with the risk of PD, a standard meta-analysis was conducted by searching and screening publications, data extraction, and statistical analysis...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29780572/cognitive-training-and-transcranial-direct-current-stimulation-for-mild-cognitive-impairment-in-parkinson-s-disease-a-randomized-controlled-trial
#14
Blake J Lawrence, Natalie Gasson, Andrew R Johnson, Leon Booth, Andrea M Loftus
This study examined whether standard cognitive training, tailored cognitive training, transcranial direct current stimulation (tDCS), standard cognitive training + tDCS, or tailored cognitive training + tDCS improved cognitive function and functional outcomes in participants with PD and mild cognitive impairment (PD-MCI). Forty-two participants with PD-MCI were randomized to one of six groups: (1) standard cognitive training, (2) tailored cognitive training, (3) tDCS, (4) standard cognitive training + tDCS, (5) tailored cognitive training + tDCS, or (6) a control group...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29780571/apolipoprotein-d-concentration-in-human-plasma-during-aging-and-in-parkinson-s-disease-a-cross-sectional-study
#15
Andreas Waldner, Sarah Dassati, Bernhard Redl, Nicola Smania, Marialuisa Gandolfi
Apolipoprotein D (ApoD), a lipocalin transporter of small hydrophobic molecules, plays an important role in several neurodegenerative diseases. ApoD is expressed in and secreted from a variety of peripheral and brain tissues. Increments of ApoD have been reported in relation with oxidative stress conditions, aging, and degeneration in the nervous system. Preliminary findings support the role of ApoD in neuroprotection. However, its role in PD remains unclear. To date, no studies have been performed on the relationship between ApoD in the blood and PD, as neurodegenerative pathology related to oxidative damage...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29755729/deep-brain-stimulation-in-parkinson-s-disease
#16
EDITORIAL
Raja Mehanna, Hubert H Fernandez, Aparna Wagle Shukla, Jawad A Bajwa
No abstract text is available yet for this article.
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29755728/combination-of-multifocal-electroretinogram-and-spectral-domain-oct-can-increase-diagnostic-efficacy-of-parkinson-s-disease
#17
Jiang Huang, Yi Li, Jianjiang Xiao, Qin Zhang, Guoxu Xu, Guanhui Wu, Tong Liu, Weifeng Luo
Background: The retinal changes have been identified in morphology and function in Parkinson's disease (PD). However, the controversial results suggest that it is incredible that only using a single method for testing retinal change to evaluate Parkinson's disease. The aim of this study was to assess retinal changes and increase the diagnostic efficacy of Parkinson's disease with a combination of multifocal electroretinogram (mf-ERG) and spectral domain optical coherence tomography (SD-OCT) examinations...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29713446/evidence-of-oropharyngeal-dysfunction-in-feeding-in-the-rat-rotenone-model-of-parkinson-s-disease
#18
François D H Gould, Andrew Gross, Rebecca Z German, Jason R Richardson
Swallowing disorders in Parkinson's disease are not responsive to dopamine depletion therapy and contribute to morbidity. They are poorly understood owing to a lack of adequate models. We present the first evidence of oropharyngeal changes in a rotenone toxicity model of Parkinson's disease. Rats were recorded while feeding before and after daily rotenone injections at two different doses (2.75 mg/kg and 3 mg/kg). The higher dose had a much more severe parkinsonian phenotype than the low dose. Timing and amplitude of chewing changed, as did the coordination of chewing and swallowing...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29707191/environmental-and-genetic-variables-influencing-mitochondrial-health-and-parkinson-s-disease-penetrance
#19
REVIEW
Alessandra Zanon, Peter P Pramstaller, Andrew A Hicks, Irene Pichler
There is strong evidence that impairment of mitochondrial function plays a key role in the pathogenesis of PD. The two key PD genes related to mitochondrial function are Parkin ( PARK2 ) and PINK1 ( PARK6 ), and also mutations in several other PD genes, including SNCA , LRRK2 , DJ1 , CHCHD2 , and POLG , have been shown to induce mitochondrial stress. Many mutations are clearly pathogenic in some patients while carriers of other mutations either do not develop the disease or show a delayed onset, a phenomenon known as reduced penetrance...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29686832/patterns-and-predictors-of-depression-treatment-among-older-adults-with-parkinson-s-disease-and-depression-in-ambulatory-care-settings-in-the-united-states
#20
Sandipan Bhattacharjee, Nina Vadiei, Lisa Goldstone, Ziyad Alrabiah, Scott J Sherman
Little is known regarding depression treatment patterns and predictors among older adults with comorbid Parkinson's disease and depression (dPD) in the United States (US). The objective of this study was to assess the patterns and predictors of depression treatment among older adults with dPD in the US. We adopted a cross-sectional study design by pooling multiple-year data (2005-2011) from the National Ambulatory Medical Care Survey (NAMCS) and the outpatient department of the National Hospital Ambulatory Medical Care Survey (NHAMCS)...
2018: Parkinson's Disease
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