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https://www.readbyqxmd.com/read/29142341/in-house-preparation-and-quality-control-of-tc99m-trodat-1-for-diagnostic-single-photon-emission-computed-tomography-computed-tomography-imaging-in-parkinson-s-disease
#1
Rakhee Vatsa, Jaya Shukla, Bhagwant Rai Mittal, Apurva Sood, Raman Kumar Joshi, Kanchan Palarwal, Priya Bhusari, Manish Modi
Purpose of Study: Loss of dopamine neurons in the brain is a characteristic feature of Parkinson's disease (PD). TRODAT-1 is a tropane derivative that binds to dopamine transporter (DAT) receptors. It can be used for noninvasive in vivo imaging of DAT receptors leading to the early detection of PD. The present study aims to optimize the in-house radiolabeling of TRODAT-1 with Tc-99 m in hospital radiopharmacy set up along with performing single-photon emission computed tomography/computed tomography imaging in patients with PD...
October 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29142143/dha-supplementation-improves-cognitive-function-via-enhancing-a%C3%AE-mediated-autophagy-in-chinese-elderly-with-mild-cognitive-impairment-a-randomised-placebo-controlled-trial
#2
Yan-Ping Zhang, Yinyin Lou, Jing Hu, Rujuan Miao, Fei Ma
BACKGROUND: Higher docosahexaenoic acid (DHA) intake is inversely correlated with relative risk of Alzheimer's disease. The potential benefits of DHA supplementation in people with mild cognitive impairment (MCI) have not been fully examined. OBJECTIVE: Our study aimed to assess the effect of a 24-month DHA supplementation on cognitive function and amyloid beta (Aβ)-mediated autophagy in elderly subjects with MCI. METHODS: This was a randomised, double-blind, placebo-controlled trial in Tianjin, China...
November 15, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29141977/vitamins-associated-with-brain-aging-mild-cognitive-impairment-and-alzheimer-disease-biomarkers-epidemiological-and-experimental-evidence-plausible-mechanisms-and-knowledge-gaps
#3
REVIEW
Michael Fenech
The key to preventing brain aging, mild cognitive impairment (MCI), and Alzheimer disease (AD) via vitamin intake is first to understand molecular mechanisms, then to deduce relevant biomarkers, and subsequently to test the level of evidence for the impact of vitamins in the relevant pathways and their modulation of dementia risk. This narrative review infers information on mechanisms from gene and metabolic defects associated with MCI and AD, and assesses the role of vitamins using recent results from animal and human studies...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141280/subjective-cognitive-complaints-and-objective-cognitive-impairment-in-parkinson-s-disease
#4
Jin Yong Hong, Yoonju Lee, Mun Kyung Sunwoo, Young H Sohn, Phil Hyu Lee
BACKGROUND AND PURPOSE: Subjective cognitive complaints (SCCs) are very common in patients with Parkinson's disease (PD). However, the relationship between SCCs and objective cognitive impairment is still unclear. This study aimed to determine whether SCCs are correlated with objective cognitive performance in patients with PD. METHODS: Totals of 148 cognitively normal patients, 71 patients with mild cognitive impairment (MCI), and 31 demented patients were recruited consecutively from a movement-disorders clinic...
October 31, 2017: Journal of Clinical Neurology
https://www.readbyqxmd.com/read/29137069/graves-disease-following-radioiodine-therapy-for-toxic-adenoma-clinical-case-report
#5
Guohua Shen, Futao Cui, Rui Huang, Anren Kuang
RATIONALE: There is a low risk of developing Graves disease (GD) with elevated thyrotropin receptor antibodies (TRAbs) in patients undergoing radioiodine therapy for toxic adenoma. PATIENT CONCERNS: An old female patient with a history of Hashimoto thyroiditis was referred to our department due to thyrotoxic symptoms. After the administration of radioiodine, a significant remission was achieved. However, after 4 months, she was referred to our department again due to recurrence of hyperthyroid symptoms...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29135998/multivariate-regression-analysis-of-structural-mri-connectivity-matrices-in-alzheimer-s-disease
#6
Javier Rasero, Nicola Amoroso, Marianna La Rocca, Sabina Tangaro, Roberto Bellotti, Sebastiano Stramaglia
Alzheimer's disease (AD) is the most common form of dementia among older people and increasing longevity ensures its prevalence will rise even further. Whether AD originates by disconnecting a localized brain area and propagates to the rest of the brain across disease-severity progression is a question with an unknown answer. An important related challenge is to predict whether a given subject, with a mild cognitive impairment (MCI), will convert or not to AD. Here, our aim is to characterize the structural connectivity pattern of MCI and AD subjects using the multivariate distance matrix regression (MDMR) analysis, and to compare it to those of healthy subjects...
2017: PloS One
https://www.readbyqxmd.com/read/29135021/diagnostic-accuracy-of-the-chinese-version-of-the-trail-making-test-for-screening-cognitive-impairment
#7
Mingqing Wei, Jing Shi, Ting Li, Jingnian Ni, Xuekai Zhang, Yumeng Li, Shenghua Kang, Fuyun Ma, Hengge Xie, Bin Qin, Dongsheng Fan, Liping Zhang, Yongyan Wang, Jinzhou Tian
BACKGROUND/OBJECTIVES: The Trail-Making Test (TMT), which is commonly used to measure executive function, consists of two components (TMT-A and TMTB). There is a lack of normative TMT data for Chinese elderly adults. This study aimed to evaluate the validity of the TMT in screening for cognitive impairment. DESIGN: 2,294 Chinese-speaking adults aged 50 to 85: 1,026 with normal cognition (NC), 462 with mild cognitive impairment (MCI), 108 with Alzheimer's disease (AD), 113 with vascular mild cognitive impairment (VaMCI), 121 with vascular dementia (VaD), 282 with uncertain types of dementia, and 15 with mixed dementia...
November 14, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29134465/current-role-for-biomarkers-in-clinical-diagnosis-of-alzheimer-disease-and-frontotemporal-dementia
#8
REVIEW
Nasim Sheikh-Bahaei, Seyed Ahmad Sajjadi, Aimee L Pierce
Purpose of review Alzheimer's disease (AD) and frontotemporal dementia can often be diagnosed accurately with careful clinical history, cognitive testing, neurological examination, and structural brain MRI. However, there are certain circumstances wherein detection of specific biomarkers of neurodegeneration or underlying AD pathology will impact the clinical diagnosis or treatment plan. We will review the currently available biomarkers for AD and frontotemporal dementia (FTD) and discuss their clinical importance...
November 14, 2017: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/29133211/beta-lactam-resistance-among-enterobacteriaceae-in-cambodia-the-four-year-itch
#9
REVIEW
Yannick Caron, Rattanak Chheang, Puthea Nop, Soda Meng, Sébastien Boyer, Arnaud Tarantola, Alexandra Kerléguer
Although antibiotics are too often used inappropriately in Cambodia, few data have been published on antimicrobial resistance in this country. Epidemic dissemination and the transfer of resistance genes to other bacterial species put the population at risk. The aim of this study was to evaluate the frequency and characteristics of extended-spectrum beta-lactamase (ESBL) enterobacteriaceae (ESBL-E) isolated in consecutive samples tested at Institut Pasteur du Cambodge (IPC) over a four-year period (2012-2015)...
November 10, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29133186/a-novel-protocol-for-contact-isolation-for-multi-drug-resistant-organisms-mdros-in-children-on-inpatient-rehabilitation-and-effects-on-functional-outcomes-a-noninferiority-study
#10
Kelly L D Pham, Kristie F Bjornson, Marisa Osorio, Kathryn B Whitlock, Teresa L Massagli
BACKGROUND: The incidence of contact isolation for multidrug resistant organisms is increasing in acute hospitals and inpatient rehabilitation units alike. There is limited evidence on the effect of contact isolation on functional outcomes during inpatient rehabilitation. OBJECTIVE: To determine whether the use of a modified contact isolation protocol (MCI) resulted in non-inferior functional outcomes compared to children without contact isolation (NCI) on inpatient rehabilitation...
November 10, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29132765/cortical-thinning-correlates-of-changes-in-visuospatial-and-visuoperceptual-performance-in-parkinson-s-disease-a-4-year-follow-up
#11
A I Garcia-Diaz, B Segura, H C Baggio, C Uribe, A Campabadal, A Abos, M J Marti, F Valldeoriola, Y Compta, N Bargallo, C Junque
BACKGROUND: Growing evidence highlights the relevance of posterior cortically-based cognitive deficits in Parkinson's disease (PD) as possible biomarkers of the evolution to dementia. Cross-sectional correlational studies have established a relationship between the degree of atrophy in posterior brain regions and visuospatial and visuoperceptual (VS/VP) impairment. The aim of this study is to address the progressive cortical thinning correlates of VS/VP performance in PD. METHODS: Forty-four PD patients and 20 matched healthy subjects were included in this study and followed for 4 years...
November 7, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29131458/image-analysis-is-an-excellent-tool-for-quantifying-ki-67-to-predict-the-prognosis-of-gastrointestinal-stromal-tumor-patients
#12
Shintaro Sugita, Hiroshi Hirano, Yutaka Hatanaka, Hiromi Fujita, Terufumi Kubo, Noriaki Kikuchi, Yumika Ito, Taro Sugawara, Keiko Segawa, Hiroyuki Hisai, Kentaro Yamashita, Takayuki Nobuoka, Yoshihiro Matsuno, Tadashi Hasegawa
We investigated the quantification of Ki-67 staining using digital image analysis (IA) as a complementary prognostic factor to the modified National Institutes of Health (NIH) classification in patients with gastrointestinal stromal tumor (GIST). We examined 92 patients, focusing on the correlation between age, sex, primary tumor site, tumor size, predominant histologic type, mitotic index, modified NIH classification (low/intermediate vs high), Ki-67 quantitation, and recurrence-free survival (RFS). We compared two IA processes for whole slide imaging (WSI) and manually captured image (MCI) methods...
November 13, 2017: Pathology International
https://www.readbyqxmd.com/read/29130521/a-variant-in-ppp4r3a-protects-against-alzheimer-related-metabolic-decline
#13
Leigh Christopher, Valerio Napolioni, Raiyan R Khan, Summer S Han, Michael D Greicius
OBJECTIVES: A reduction in glucose metabolism in the posterior cingulate cortex (PCC) predicts conversion to Alzheimer's disease (AD) and tracks disease progression, signifying its importance in AD. We aimed to use decline in PCC glucose metabolism as a proxy for the development and progression of AD to discover common genetic variants associated with disease vulnerability. METHODS: We performed a genome-wide association study (GWAS) of decline in PCC [(18) F] FDG PET measured in Alzheimer's Disease Neuroimaging Initiative (ADNI) participants (n=606)...
November 11, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/29129545/predicting-progression-of-amnesic-mci-the-integration-of-episodic-memory-impairment-with-perfusion-spect
#14
Davide Quaranta, Guido Gainotti, Daniela Di Giuda, Maria Gabriella Vita, Fabrizio Cocciolillo, Giordano Lacidogna, Valeria Guglielmi, Carlo Masullo, Alessandro Giordano, Camillo Marra
The present study aimed at assessing if the ability to predict progression from amnesic Mild Cognitive Impairment (aMCI) to dementia is improved by considering the presence at the baseline of Single Photon Emission Computed Tomography (SPECT) perfusion abnormalities in addition to a defect of long term memory. The Episodic Memory Score (EMS), a global index which integrates results obtained in subtests of the Rey's Verbal Learning Test and the Rey-Osterrieth Figure recall, were taken into account to evaluate defects of long term memory...
October 24, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29128987/comparison-of-olfactory-and-gustatory-disorders-in-alzheimer-s-disease
#15
Minoru Kouzuki, Tetsuya Suzuki, Masaya Nagano, Syouta Nakamura, Yuto Katsumata, Ayumi Takamura, Katsuya Urakami
Patients with Alzheimer's disease (AD) develop olfactory and gustatory disorders. However, the order of failure and relevance of the pathophysiology are unclear. We compared olfactory identification and whole mouth gustation in patients with AD to those with mild cognitive impairment (MCI) and to healthy controls (HC) and assessed correlations with pathophysiology. Patients with AD (n = 40), MCI (n = 34), and HC (n = 40) were recruited. We performed the Odor Stick Identification Test for Japanese (OSIT-J), gustatory test by the intraoral dropping method using taste solutions, Mini-Mental State Examination (MMSE), Alzheimer's Disease Assessment Scale-cognitive subscale Japanese version (ADAS-J cog), Touch Panel-type Dementia Assessment Scale (TDAS), and measurement of amyloid β (Aβ) 42 and phosphorylated tau (p-tau) 181 levels in cerebrospinal fluid (CSF)...
November 11, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/29127195/microcatheter-contrast-injection-in-stent-retriever-neurothrombectomy-is-safe-and-useful-insights-from-swift-prime
#16
Radoslav Raychev, Reza Jahan, Jeffrey L Saver, Raul G Nogueira, Mayank Goyal, Vitor M Pereira, Elad Levy, Dileep R Yavagal, Christophe Cognard, David Liebeskind
Microcatheter contrast injection (MCI) prior to stent retriever deployment for the treatment of acute ischemic stroke may be useful for evaluation of distal anatomy and flow patterns beyond the occlusion. However, prior data from intra-arterialthrombolysis suggested that MCI increases the risk of intracranial hemorrhage (ICH). The safety and utility of MCI has not been investigated in the setting of thrombectomy. METHODS: We analyzed the Solitaire With the Intention For Thrombectomy as Primary Endovascular Treatment (SWIFT PRIME) trial to correlate pre-intervention MCI flow with collateral flow, and to investigate its impact on ICH and clinical outcome after thrombectomy with the Solitaire device...
November 10, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29126669/what-can-dti-tell-about-early-cognitive-impairment-differentiation-between-mci-subtypes-and-healthy-controls-by-diffusion-tensor-imaging
#17
Gyula Gyebnár, Ádám Szabó, Enikő Sirály, Zsuzsanna Fodor, Anna Sákovics, Pál Salacz, Zoltán Hidasi, Éva Csibri, Gábor Rudas, Lajos R Kozák, Gábor Csukly
Mild cognitive impairment (MCI) gained a lot of interest recently, especially that the conversion rate to Alzheimer Disease (AD) in the amnestic subtype (aMCI) is higher than in the non-amnestic subtype (naMCI). We aimed to determine whether and how diffusion-weighted MRI (DWI) using the diffusion tensor model (DTI) can differentiate MCI subtypes from healthy subjects. High resolution 3D T1W and DWI images of patients (aMCI, n = 18; naMCI, n = 20; according to Petersen criteria) and controls (n = 27) were acquired at 3T and processed using ExploreDTI and SPM...
October 31, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29125485/cognitive-variability-predicts-incident-alzheimer-s-disease-and-mild-cognitive-impairment-comparable-to-a-cerebrospinal-fluid-biomarker
#18
Carey E Gleason, Derek Norton, Eric D Anderson, Michelle Wahoske, Danielle T Washington, Emre Umucu, Rebecca L Koscik, N Maritza Dowling, Sterling C Johnson, Cynthia M Carlsson, Sanjay Asthana
BACKGROUND: Alzheimer's disease (AD) biomarkers are emerging as critically important for disease detection and monitoring. Most biomarkers are obtained through invasive, resource-intense procedures. A cognitive marker, intra-individual cognitive variability (IICV) may provide an alternative or adjunct marker of disease risk for individuals unable or disinclined to undergo lumbar puncture. OBJECTIVE: To contrast risk of incident AD and mild cognitive impairment (MCI) associated with IICV to risk associated with well-established biomarkers: cerebrospinal fluid (CSF) phosphorylated tau protein (p-tau181) and amyloid-β 42 (Aβ42) peptide...
November 8, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29125199/evaluation-of-message-communication-strategy-combined-with-group-reminiscence-therapy-on-elders-with-mild-cognitive-impairment-in-long-term-care-facilities
#19
Huan-Huan Zhang, Peng-Cheng Liu, Jie Ying, Ying Shi, Shou-Qi Wang, Mei-Ling Zhang, Jiao Sun
OBJECTIVE: This study aims to evaluate combined effects of MESSAGE communication strategy and group reminiscence therapy (GRT) on elders with mild cognitive impairment (MCI) in long-term care facilities in Changchun, China. METHODS: This study is a nonrandomized controlled trial. Subjects included 60 elders with MCI. Participants were divided into intervention (MESSAGE communication strategy combined with GRT) and control groups (without any intervention). Primary outcomes comprised cognitive function and quality of life of elderly people, as measured by the Beijing version of the Montreal Cognitive Assessment and the Chinese (mainland) version of Short-Form 36 Health Survey assessment...
November 10, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/29125073/erythrocyte-associated-amyloid-%C3%AE-as-potential-biomarker-to-diagnose-dementia
#20
Michele Lauriola, Giulia Paroni, Filomena Ciccone, Grazia D Onofrio, Leandro Cascavilla, Francesco Paris, Carolina Gravina, Maria Urbano, Davide Seripa, Antonio Greco
BACKGROUND: Although it is well known that Alzheimer's disease (AD) is associated with the progressive accumulation of amyloid β-peptide (Aβ) in the human brain, its pathogenic role has yet to be completely clarified. Aβ moves from the blood-brain barrier to the plasma and an increased Aβ production in brain could be associated with higher Aβ concentrations in blood. A recent study has evaluated Aβ-40 and Aβ-42 levels in human red blood cells (RBCs) with evidence of age-dependent higher Aβ concentration in RBCs...
November 10, 2017: Current Alzheimer Research
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