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Progressive aphasia

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https://www.readbyqxmd.com/read/29149795/development-of-a-psycho-educational-support-program-for-individuals-with-primary-progressive-aphasia-and-their-care-partners
#1
Darby J Morhardt, Mary C O'Hara, Kristine Zachrich, Christina Wieneke, Emily J Rogalski
Primary progressive aphasia is a language-based dementia that initially spares other cognitive domains; however, aphasia interferes with many life roles such as work and interpersonal relationships. Psycho-educational programs, such as support groups have been shown to be effective for persons with Alzheimer's dementia; however, little is known regarding their effectiveness for persons with primary progressive aphasia. This paper describes the development of a program that offers support, education and activities for persons with primary progressive aphasia and their care-partners and its feasibility...
January 1, 2017: Dementia
https://www.readbyqxmd.com/read/29146215/-acute-methotrexate-related-neurotoxicity-and-pseudo-stroke-syndrome
#2
V Deneux, N Leboucq, L Saumet, S Haouy, T Akbaraly, N Sirvent
Treatment of acute lymphoblastic leukemia requires high-dose systemic and/or intrathecal methotrexate to prevent and/or treat central nervous system disorders. Acute neurotoxicity of methotrexate, of unknown etiopathogenesis, is characterized by the polymorphism of clinical manifestations, responsible for a potentially harmful diagnostic delay in these immunosuppressed patients. We describe five episodes of transient acute leukoencephalopathy mimicking a stroke, reported in the literature as "pseudo-stroke syndrome"...
November 13, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/29117794/cognitive-telerehabilitation-in-mild-cognitive-impairment-alzheimer-s-disease-and-frontotemporal-dementia-a-systematic-review
#3
Maria Cotelli, Rosa Manenti, Michela Brambilla, Elena Gobbi, Clarissa Ferrari, Giuliano Binetti, Stefano F Cappa
Introduction Given the limited effectiveness of pharmacological treatments, non-pharmacological interventions in neurodegenerative diseases have gained increasing attention in recent years and telerehabilitation has been proposed as a cognitive rehabilitation strategy. The purpose of this systematic review is to examine the evidence for the efficacy of cognitive telerehabilitation interventions compared with face-to-face rehabilitation in patients with mild cognitive impairment, Alzheimer's disease and frontotemporal dementia...
January 1, 2017: Journal of Telemedicine and Telecare
https://www.readbyqxmd.com/read/29113604/tau-accumulation-in-two-patients-with-frontotemporal-lobe-degeneration-showing-different-types-of-aphasia-using-18f-thk-5351-positron-emission-tomography-a-case-report
#4
Masahiko Takaya, Kazunari Ishii, Chisa Hosokawa, Kazumasa Saigoh, Osamu Shirakawa
Tau deposits in Alzheimer's disease and corticobasal syndrome have been reported using 18F-THK-5351 positron emission tomography (PET). To our knowledge, our study is the first to demonstrate tau deposits in patients with frontotemporal lobe degeneration (FTLD), using 18F-THK-5351 PET. This case report presents two patients, both of whom showed positive Tau deposition using 18F-THK-5351 PET. One patient was diagnosed with semantic variant primary progressive aphasia (PPA) and the other diagnosed with logopenic variant PPA...
November 8, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/29107846/relevance-of-raised-cerebrospinal-fluid-monocyte-levels-in-patients-with-frontotemporal-dementia
#5
Matthias Pawlowski, Gero Lueg, Catharina C Gross, Andreas Johnen, Julia Krämer, Matthias Weckesser, Heinz Wiendl, Sven G Meuth, Thomas Duning
Frontotemporal dementia (FTD) is a heterogeneous neurodegenerative disorder. The contribution of the immune system to its pathogenesis remains incompletely understood. In this study, we performed comprehensive immune cell profiling in the cerebrospinal fluid (CSF) and peripheral blood of patients with FTD. Thirty-two patients with behavioral variant frontotemporal dementia and 25 patients with primary progressive aphasia were included and compared to 14 healthy elderly controls. All patients underwent neuropsychological examination, magnetic resonance imaging, voxel-based diffusion tensor imaging, and peripheral blood and CSF immune cell profiling by multiparameter flow cytometry...
October 13, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/29105977/tau-pet-imaging-predicts-cognition-in-atypical-variants-of-alzheimer-s-disease
#6
Jeffrey S Phillips, Sandhitsu R Das, Corey T McMillan, David J Irwin, Emily E Roll, Fulvio Da Re, Ilya M Nasrallah, David A Wolk, Murray Grossman
Accumulation of paired helical filament tau contributes to neurodegeneration in Alzheimer's disease (AD). (18) F-flortaucipir is a positron emission tomography (PET) radioligand sensitive to tau in AD, but its clinical utility will depend in part on its ability to predict cognitive symptoms in diverse dementia phenotypes associated with selective, regional uptake. We examined associations between (18) F-flortaucipir and cognition in 14 mildly-impaired patients (12 with cerebrospinal fluid analytes consistent with AD pathology) who had amnestic (n = 5) and non-amnestic AD syndromes, including posterior cortical atrophy (PCA, n = 5) and logopenic-variant primary progressive aphasia (lvPPA, n = 4)...
November 6, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/29104527/brain-mri-pattern-recognition-translated-to-clinical-scenarios
#7
Andreia V Faria, Zifei Liang, Michael I Miller, Susumu Mori
We explored the performance of structure-based computational analysis in four neurodegenerative conditions [Ataxia (AT, n = 16), Huntington's Disease (HD, n = 52), Alzheimer's Disease (AD, n = 66), and Primary Progressive Aphasia (PPA, n = 50)], all characterized by brain atrophy. The independent variables were the volumes of 283 anatomical areas, derived from automated segmentation of T1-high resolution brain MRIs. The segmentation based volumetric quantification reduces image dimensionality from the voxel level [on the order of [Formula: see text](10(6))] to anatomical structures [[Formula: see text](10(2))] for subsequent statistical analysis...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29095326/bismuth-subgallate-toxicity-in-the-age-of-online-supplement-use
#8
Paul Sampognaro, Kathy T Vo, Megan Richie, Paul D Blanc, Kevin Keenan
INTRODUCTION: Bismuth salts have been used to treat gastroenterological disorders and are readily available over-the-counter and via the internet. Even though generally considered safe, bismuth compounds can cause a syndrome of subacute, progressive encephalopathy when taken in large quantities. CASE REPORT: We present the case of woman who developed progressive encephalopathy, aphasia, myoclonus, and gait instability after chronically ingesting large amounts of bismuth subgallate purchased from a major online marketing website to control symptoms of irritable bowel syndrome...
November 2017: Neurologist
https://www.readbyqxmd.com/read/29093069/predicting-clinical-decline-in-progressive-agrammatic-aphasia-and-apraxia-of-speech
#9
Jennifer L Whitwell, Stephen D Weigand, Joseph R Duffy, Heather M Clark, Edythe A Strand, Mary M Machulda, Anthony J Spychalla, Matthew L Senjem, Clifford R Jack, Keith A Josephs
OBJECTIVE: To determine whether baseline clinical and MRI features predict rate of clinical decline in patients with progressive apraxia of speech (AOS). METHODS: Thirty-four patients with progressive AOS, with AOS either in isolation or in the presence of agrammatic aphasia, were followed up longitudinally for up to 4 visits, with clinical testing and MRI at each visit. Linear mixed-effects regression models including all visits (n = 94) were used to assess baseline clinical and MRI variables that predict rate of worsening of aphasia, motor speech, parkinsonism, and behavior...
November 1, 2017: Neurology
https://www.readbyqxmd.com/read/29061089/dyslexic-characteristics-of-chinese-speaking-semantic-variant-of-primary-progressive-aphasia
#10
Simon Kang Seng Ting, Heidi Foo, Pei Shi Chia, Shahul Hameed, Kok Pin Ng, Adeline Ng, Nagaendran Kandiah
Reading disorder is a recognized feature in primary progressive aphasia (PPA). Surface dyslexia, characterized by regularization errors, is typically seen in the English-speaking semantic variant of PPA (svPPA). However, dyslexic characteristics of other languages, particularly logographical languages such as Chinese, remain sparse in the literature. This study aims to characterize and describe the dyslexic pattern in this group of patients by comparing an English-speaking svPPA group with a Chinese-speaking svPPA group...
October 24, 2017: Journal of Neuropsychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/29053874/tau-pathology-and-neurodegeneration-contribute-to-cognitive-impairment-in-alzheimer-s-disease
#11
Alexandre Bejanin, Daniel R Schonhaut, Renaud La Joie, Joel H Kramer, Suzanne L Baker, Natasha Sosa, Nagehan Ayakta, Averill Cantwell, Mustafa Janabi, Mariella Lauriola, James P O'Neil, Maria L Gorno-Tempini, Zachary A Miller, Howard J Rosen, Bruce L Miller, William J Jagust, Gil D Rabinovici
Neuropathological and in vivo studies have revealed a tight relationship between tau pathology and cognitive impairment across the Alzheimer's disease spectrum. However, tau pathology is also intimately associated with neurodegeneration and amyloid pathology. The aim of the present study was therefore to assess whether grey matter atrophy and amyloid pathology contribute to the relationship between tau pathology, as measured with 18F-AV-1451-PET imaging, and cognitive deficits in Alzheimer's disease. We included 40 amyloid-positive patients meeting criteria for mild cognitive impairment due to Alzheimer's disease (n = 5) or probable Alzheimer's disease dementia (n = 35)...
October 7, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29051871/bilateral-divergent-shoulder-s-fracture-dislocation-case-in-an-ischemic-stroke-patient
#12
Atchi Walla, Faré Gnandi-Piou, Pilakimwé Egbohou, Komi Assogba, Mawuko Quacoe
INTRODUCTION: The literature review revealed that nowadays only about 15 cases of bilateral shoulder dislocation associated with the fracture of the upper end of the humerus have been published. The triad of lesional mechanism designated by the triple syndrome E composed of epilepsy, electrocution, and external trauma was the circumstances noted in which these fractures dislocations occur with migration of the two humeral heads either forward or backward. CASE REPORT: An architect of 36-year-old, right-handed, was admitted in emergency department for loss of knowledge of progressive installation...
May 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29050387/temporal-lobe-networks-supporting-the-comprehension-of-spoken-words
#13
Leonardo Bonilha, Argye E Hillis, Gregory Hickok, Dirk B den Ouden, Chris Rorden, Julius Fridriksson
Auditory word comprehension is a cognitive process that involves the transformation of auditory signals into abstract concepts. Traditional lesion-based studies of stroke survivors with aphasia have suggested that neocortical regions adjacent to auditory cortex are primarily responsible for word comprehension. However, recent primary progressive aphasia and normal neurophysiological studies have challenged this concept, suggesting that the left temporal pole is crucial for word comprehension. Due to its vasculature, the temporal pole is not commonly completely lesioned in stroke survivors and this heterogeneity may have prevented its identification in lesion-based studies of auditory comprehension...
September 1, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29043848/lexical-access-in-a-bilingual-speaker-with-dementia-changes-over-time
#14
Marianne Lind, Hanne Gram Simonsen, Ingeborg Sophie Bjønness Ribu, Bente Ailin Svendsen, Jan Svennevig, Kees de Bot
In this article, we explore the naming skills of a bilingual English-Norwegian speaker diagnosed with Primary Progressive Aphasia, in each of his languages across three different speech contexts: confrontation naming, semi-spontaneous narrative (picture description), and conversation, and at two points in time: 12 and 30 months post diagnosis, respectively. The results are discussed in light of two main theories of lexical retrieval in healthy, elderly speakers: the Transmission Deficit Hypothesis and the Inhibitory Deficit Theory...
October 18, 2017: Clinical Linguistics & Phonetics
https://www.readbyqxmd.com/read/29039275/visuospatial-functioning-in-the-primary-progressive-aphasias
#15
Christa L Watson, Katherine Possin, I Elaine Allen, H Isabel Hubbard, Marita Meyer, Ariane E Welch, Gil D Rabinovici, Howard Rosen, Katherine P Rankin, Zachary Miller, Miguel A Santos-Santos, Joel H Kramer, Bruce L Miller, Maria Luisa Gorno-Tempini
OBJECTIVES: The aim of this study was to identify whether the three main primary progressive aphasia (PPA) variants would show differential profiles on measures of visuospatial cognition. We hypothesized that the logopenic variant would have the most difficulty across tasks requiring visuospatial and visual memory abilities. METHODS: PPA patients (n=156), diagnosed using current criteria, and controls were tested on a battery of tests tapping different aspects of visuospatial cognition...
October 17, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/29033772/intraparenchymal-hemorrhage-due-to-brain-metastasis-of-hepatocellular-carcinoma
#16
Rafael Sartori Balbinot, Ana Laura Facco Muscope, Mateus Dal Castel, Silvana Sartori Balbinot, Raul Angelo Balbinot, Jonathan Soldera
Although extrahepatic metastases from hepatocellular carcinoma (HCC) are present in only 5-15% of cases, they are certainly factors associated with poor prognosis. The main sites include lung, lymph nodes, bones, and adrenal glands, in descending order. Metastasis in the central nervous system is extremely rare, and the incidences vary from 0.6 to 1.7%. We report a case of a 54-year-old man previously diagnosed with alcohol-induced cirrhosis of the liver and HCC. The patient was admitted presenting progressive left hemiparesis and headache which started 2 days earlier, with no history of cranioencephalic trauma...
September 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29028649/-18f-thk5351-pet-imaging-in-patients-with-semantic-variant-primary-progressive-aphasia
#17
Hyon Lee, Seongho Seo, Sang-Yoon Lee, Hye Jin Jeong, Sung-Ho Woo, Kyoung-Min Lee, Yeong-Bae Lee, Kee Hyung Park, Jae-Hyeok Heo, Cindy W Yoon, Jae Myeong Kang, Jaelim Cho, Nobuyuki Okamura, Shozo Furumoto, Kazuhiko Yanai, Duk L Na, Tatsuo Ido, Victor L Villemagne, Young Noh
BACKGROUND: Semantic variant primary progressive aphasia (svPPA) has been associated with a variety of proteinopathies, mainly transactive response DNA-binding protein, but also with tau and β-amyloid. Recently selective tau tracers for positron emission tomography (PET) have been developed to determine the presence of cerebral tau deposits in vivo. Here, we investigated the topographical distribution of THK5351 in svPPA patients. MATERIALS AND METHODS: Five svPPA patients, 14 Alzheimer's disease patients, and 15 age-matched normal controls underwent [F]-THK5351 PET scans, magnetic resonance imaging, and detailed neuropsychological tests...
October 12, 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/29025779/scorpion-bite-induced-ischaemic-stroke
#18
Rakesh Reddy C, Nandakishore Bompelli, Vikram Khardenavis, Anirudda Deshpande
We report a 54-year-old woman with scorpion bite. After 3 hours of admission, the patient developed sudden onset tachycardia with hypotension. Cardiac evaluation showed raised creatine kinase MB isoenzyme was elevated; ECG and two-dimensional echocardiography findings were suggestive of myocarditis. Subsequently, she developed transient ventricular tachycardia before developing abrupt onset, right hemiplegia, global aphasia and progressive worsening of sensorium 12 hours after the bite. MRI of brain revealed massive left middle cerebral artery (MCA) territory infarct...
October 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28990425/mendelian-forms-of-disease-and-age-at-onset-affect-survival-in-frontotemporal-dementia
#19
Maura Cosseddu, Alberto Benussi, Stefano Gazzina, Rosanna Turrone, Silvana Archetti, Elisa Bonomi, Giorgio Biasiotto, Isabella Zanella, Raffaele Ferrari, Maria S Cotelli, Antonella Alberici, Alessandro Padovani, Barbara Borroni
OBJECTIVE: Frontotemporal dementia (FTD) is a common cause of young onset dementia. Very few reports on disease duration are currently available and predictors of survival are still undefined. The aim of the present study was to assess the natural history of FTD and to define predictors of survival. METHODS: Four hundred amd eleven FTD patients, including 294 with behavioural variant FTD, 77 with agrammatic variant primary progressive aphasia (PPA) and 40 with semantic variant PPA, were consecutively enrolled and demographic and clinical variables carefully recorded...
October 8, 2017: Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration
https://www.readbyqxmd.com/read/28989044/preoperative-navigated-transcranial-magnetic-stimulation-and-tractography-to-guide-endoscopic-cystoventriculostomy-a-technical-note-and-case-report
#20
Philipp Hendrix, Sebastian Senger, Christoph J Griessenauer, Andreas Simgen, Stefan Linsler, Joachim Oertel
OBJECTIVE: To report a technique for endoscopic cystoventriculostomy guided by preoperative navigated transcranial magnetic stimulation (nTMS) and tractography in a patient suffering from a large speech eloquent arachnoid cyst. METHODS: A 74-year old woman presented with a seizure and subsequent persistent anomic aphasia from a progressive left-sided parietal arachnoid cyst. An endoscopic cystoventriculostomy and endoscope-assisted ventricle catheter placement were performed...
October 5, 2017: World Neurosurgery
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