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HIV cognitive impairment

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https://www.readbyqxmd.com/read/28748448/adding-a-brief-self-report-cognitive-tool-to-the-ihds-improves-effectiveness-of-identifying-patients-with-hiv-associated-dementia-in-south-africa
#1
Hetta Gouse, Martine Casson-Crook, Eric H Decloedt, John A Joska, Kevin G F Thomas
We compared the diagnostic accuracy of two brief screening tools (the International HIV Dementia Scale (IHDS), and the IHDS combined with a novel self-report instrument, the HIV Cognitive Symptom Questionnaire (HCSQ)) with that of three brief neuropsychological screening batteries (a 2-, a 3-, and a 4-test battery, each consisting of standardized cognitive tests) in discriminating individuals with HIV-associated dementia (HAD) from those with milder forms of cognitive impairment. We analyzed data from 94 isiXhosa-speaking South African HIV-infected participants who were screened as part of a clinical trial evaluating adjunctive treatment in patients with moderate to severe HIV-associated cognitive impairment...
July 26, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28746408/microwave-magnetic-proteomics-of-macrophages-from-patients-with-hiv-associated-cognitive-impairment
#2
Yisel M Cantres-Rosario, Frances M Acevedo-Mariani, Juliana Pérez-Laspiur, William E Haskins, Marines Plaud, Yadira M Cantres-Rosario, Richard Skolasky, Israel Méndez-Bermúdez, Valerie Wojna, Loyda M Meléndez
OBJECTIVE: HIV-infected monocytes can infiltrate the blood brain barrier as differentiated macrophages to the central nervous system, becoming the primary source of viral and cellular neurotoxins. The final outcome is HIV-associated cognitive impairment (HACI), which remain prevalent today, possibly due to the longer life-span of the patients treated with combined anti-retroviral therapy. Our main goal was to characterize the proteome of monocyte-derived macrophages (MDM) from HACI patients, and its association with their cognitive status, to find novel targets for therapy...
2017: PloS One
https://www.readbyqxmd.com/read/28729828/working-memory-profiles-in-hiv-exposed-uninfected-and-hiv-infected-children-a-comparison-with-neurotypical-controls
#3
Robyn Milligan, Kate Cockcroft
This study compared the working memory profiles of three groups of children, namely HIV-infected (HIV-I; n = 95), HIV-exposed, uninfected (HIV-EU; n = 86) and an HIV-unexposed, uninfected, (HIV-UU; n = 92) neurotypical control group. Working memory, an executive function, plays an important role in frontal lobe-controlled behaviors, such as motivation, planning, decision making, and social interaction, and is a strong predictor of academic success in school children. Memory impairments have been identified in HIV-I children, particularly in visuospatial processing...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28721049/the-potential-role-of-vagus-nerve-stimulation-in-the-treatment-of-hiv-associated-depression-a-review-of-literature
#4
REVIEW
William C Nicholson, Mirjam-Colette Kempf, Linda Moneyham, David E Vance
Depression is the most common comorbidity and neuropsychiatric complication in HIV. Estimates suggest that the prevalence rate for depression among HIV-infected individuals is three times that of the general population. The association between HIV and clinical depression is complex; however, chronic activation of inflammatory mechanisms, which disrupt central nervous system (CNS) function, may contribute to this association. Disruptions in CNS function can result in cognitive disorders, social withdrawal, fatigue, apathy, psychomotor impairment, and sleep disturbances, which are common manifestations in depression and HIV alike...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28716964/a-glun2b-selective-nmdar-antagonist-reverses-synapse-loss-and-cognitive-impairment-produced-by-the-hiv-1-protein-tat
#5
Jonathan D Raybuck, Nicholas J Hargus, Stanley A Thayer
HIV-associated neurocognitive disorder (HAND) affects approximately half of HIV-infected patients. Loss of synaptic connections is a hallmark of many neurocognitive disorders, including HAND. The HIV-1 protein transactivator of transcription (Tat) disrupts synaptic connections both in vitro and in vivo and has been linked to impaired neurocognitive function in humans. In vitro studies have shown that ifenprodil, an antagonist selective for GluN2B-containing NMDARs, reverses synapse loss when applied after Tat...
July 17, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28716545/effect-of-ageing-on-neurocognitive-function-by-stage-of-hiv-infection-evidence-from-the-multicenter-aids-cohort-study
#6
Karl Goodkin, Eric N Miller, Christopher Cox, Sandra Reynolds, James T Becker, Eileen Martin, Ola A Selnes, David G Ostrow, Ned C Sacktor
BACKGROUND: The demographics of the HIV epidemic in the USA have shifted towards older age. We aimed to establish the relationship between the processes of ageing and HIV infection in neurocognitive impairment. METHODS: With longitudinal data from the Multicenter AIDS Cohort Study, a long-term prospective cohort study of the natural and treated history of HIV infection among men who have sex with men in the USA, we examined the effect of ageing, HIV infection (by disease stage), and their interaction on five neurocognitive domains: information processing speed, executive function, episodic memory, working memory, and motor function...
July 14, 2017: Lancet HIV
https://www.readbyqxmd.com/read/28696833/the-intersecting-cognitive-and-aging-needs-of-hiv-positive-older-adults-implications-for-social-work-practice
#7
Andrew David Eaton, Shelley L Craig, Robert Wallace
Cognitive impairment is a significant health concern for people aging with HIV/AIDS. Using a community-based participatory research (CBPR) framework, we surveyed (n = 108) and interviewed (n = 20) people living with HIV who were over age 50 about their cognitive concerns and recommendations for social work intervention development. Quantitative findings indicate that our sample was greatly engaged in their HIV care, yet participants had many cognitive concerns. Qualitative findings highlighted fear, shame, and uncertainty concerning HIV and aging alongside a need for increased social work support...
July 11, 2017: Social Work in Health Care
https://www.readbyqxmd.com/read/28692534/blood-neuron-derived-exosomes-as-biomarkers-of-cognitive-impairment-in-hiv
#8
Bing Sun, Pranjali Dalvi, Linda Abadjian, Norina Tang, Lynn Pulliam
OBJECTIVE: To investigate proteins associated with neuronal damage in plasma neuron-derived exosomes (NDE) of HIV-infected subjects as a liquid biomarker for cognitive impairment. METHODS: Plasma NDE were isolated using precipitation and immunoadsorption with antibody to a cell surface specific neuronal marker. Total exosomes and NDE were enumerated, characterized and proteins extracted and targets quantified by ELISA. RESULTS: Plasma NDE from 23 HIV seropositive individuals of which 11 had mild cognitive impairment, and 12 HIV seronegative controls of which 3 had cognitive impairment were isolated...
July 7, 2017: AIDS
https://www.readbyqxmd.com/read/28689493/hiv-associated-executive-dysfunction-in-the-era-of-modern-antiretroviral-therapy-a-systematic-review-and-meta-analysis
#9
Keenan A Walker, Gregory G Brown
OBJECTIVE: While some reports suggest that HIV+ individuals continue to display executive function (EF) impairment in the era of cART, findings have been contradictory and appear to differ based on the aspect of EF being measured. To improve the understanding of how discrete executive abilities may be differentially affected or spared in the context of HIV infection, we conducted a systematic review and meta-analysis to (a) determine whether and to what extent HIV+ adults experience deficits in EFs, and (b) understand how demographic and clinical characteristics may modify the associations between HIV infection and executive abilities...
July 9, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28673660/the-rapid-ii-neuropsychological-test-battery-for-subjects-aged-20-to-49-years-norms-and-cognitive-profile
#10
M Binetruy, F Mauny, M Lavaux, A Meyer, G Sylvestre, M Puyraveau, E Berger, E Magnin, P Vandel, J Galmiche, G Chopard
INTRODUCTION: Cognitive evaluation of young subjects is now widely carried out for non-traumatic diseases such as multiple sclerosis, HIV, or sleep disorders. This evaluation requires normative data based on healthy adult samples. However, most clinicians use a set of tests that were normed in an isolated manner from different samples using different cutoff criteria. Thus, the score of an individual may be considered either normal or impaired according to the norms used. It is well established that healthy adults obtained low-test scores when a battery of tests is administered...
June 30, 2017: Revue Neurologique
https://www.readbyqxmd.com/read/28665215/neurocognitive-profile-of-hiv-positive-adults-on-combined-antiretroviral-therapy-a-single-centre-study-in-serbia
#11
Brigitta Malagurski, Vojislava Bugarski Ignjatović, Daniela Marić, Željka Nikolašević, Ljiljana Mihić, Snežana Brkić
The advent of combined antiretroviral therapy (cART) has prolonged the life expectancy of HIV + individuals and decreased the incidence of HIV-associated dementia. However, milder forms of neurocognitive impairment remain common and are often associated with poor daily functioning and lower medication adherence. This paper presents a research aimed at exploring the cognitive status differences between HIV + subjects (N = 39) on cART therapy and a group of demographically comparable healthy subjects (N = 39) in Serbia...
June 30, 2017: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/28664684/cross-cultural-assessment-of-hiv-associated-cognitive-impairment-using-the-kaufman-assessment-battery-for-children-a-systematic-review
#12
Kaylee S van Wyhe, Tanya van de Water, Michael J Boivin, Mark F Cotton, Kevin Gf Thomas
INTRODUCTION: Despite improved efficacy of, and access to, combination antiretroviral therapy (cART), HIV-associated cognitive impairments remain prevalent in both children and adults. Neuropsychological tests that detect such impairment can help clinicians formulate effective treatment plans. The Kaufman Assessment Battery for Children (KABC), although developed and standardized in the United States, is used frequently in many different countries and cultural contexts to assess paediatric performance across various cognitive domains...
June 14, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28655206/deficient-emotion-processing-is-associated-with-everyday-functioning-capacity-in-hiv-associated-neurocognitive-disorder
#13
Jonathan M Grabyan, Erin E Morgan, Marizela V Cameron, Javier Villalobos, Igor Grant, Steven Paul Woods
Objective: Emotion processing has received little research focus in HIV, but emerging evidence suggests that abilities such as facial affect discrimination may be features of HIV-associated neurocognitive disorder (HAND). The present study hypothesized that individuals with HAND would evidence an emotion processing deficit relative to cognitively unimpaired individuals with HIV and seronegative comparison participants on a task assessing these abilities. Moreover, it was expected that this deficit would be significantly associated with social aspects of everyday functioning...
June 26, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28639993/peripheral-monocytes-macrophages-phenotypes-associated-to-the-evolution-of-cognitive-performance-in-hiv-infected-patients
#14
Massimiliano Fabbiani, Antonio Muscatello, Paolo Perseghin, Marco Bani, Arianna Incontri, Nicola Squillace, Giuseppe Lapadula, Andrea Gori, Alessandra Bandera
BACKGROUND: The contribution of monocyte activation in the development of HIV-associated neurocognitive disorders is not completely understood. This study aimed to explore the predictive value of peripheral monocyte/macrophage (M/M) phenotypes on the evolution of cognitive performance in a population of virologically-suppressed HIV-infected patients. SETTING: Prospective, observational, longitudinal study. METHODS: HIV-1-infected patients with HIV-RNA<50copies/mL for >12 months underwent neuropsychological examination at baseline and after one year...
June 19, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28632929/persistent-neuropsychiatric-impairment-in-hcv-patients-or-educational-mismatch
#15
Anders Gade
Dirks et al.(1) just published a study of 159 patients infected with hepatitis C virus. They are to be commended for excluding patients with advanced fibrosis or liver cirrhosis, HIV co-infection, and present drug addiction, which have confounded interpretation in many earlier studies of HCV. The four patient groups differed significantly from controls in most cognitive domains studied. However, for the evaluation of these cognitive test results, a crucial piece of information is missing in the article: education...
June 20, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28602461/adapting-systems-of-care-for-people-aging-with-hiv
#16
Eugenia L Siegler, Mark Brennan-Ing
People aging with HIV have medical and psychosocial needs that require more than the HIV services network can provide. HIV providers may lack experience managing multimorbidity or the functional consequences of aging. Social support services may be unable to provide necessary services for people living with HIV (PLWH) who are becoming increasingly frail or facing cognitive impairment. HIV providers will be caring for aging PLWH whose HIV management may seem simple compared with the significant burdens of stigma, mental health needs, social isolation, multimorbidity, and aging-related syndromes...
May 26, 2017: Journal of the Association of Nurses in AIDS Care: JANAC
https://www.readbyqxmd.com/read/28598903/self-reported-difficulties-with-everyday-function-cognitive-symptoms-and-cognitive-function-in-people-with-hiv
#17
Rosanna Laverick, Lewis Haddow, Marina Daskalopoulou, Fiona Lampe, Richard Gilson, Andrew Speakman, Andrea Antinori, Tina Bruun, Anna Vassilenko, Simon Collins, Alison Rodger
BACKGROUND: We determined factors associated with self-reported decline in activities of daily living (ADLs) and symptoms of cognitive impairment in HIV positive (HIV+) adults in five European clinics. METHODS: HIV+ adults underwent computerized and pen-and-paper neuropsychological tests and questionnaires of cognitive symptoms and ADLs. We considered cognitive function in five domains, psychosocial factors and clinical parameters as potentially associated with symptoms...
June 7, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28598791/croi-2017-neurologic-complications-of-hiv-infection
#18
Serena S Spudich, Beau M Ances
The brain is a major target for HIV infection and is a potential viral reservoir even in virologically well-controlled HIV-infected individuals. Data presented at the 2017 Conference on Retroviruses and Opportunistic Infections (CROI) suggested that during early HIV infection, CD4+ T cells in the meninges and choroid plexus serve as an important early site of HIV infection in the central nervous system (CNS), with brain macrophages and microglial cells becoming an important source of viral replication with advancing disease...
May 2017: Topics in Antiviral Medicine
https://www.readbyqxmd.com/read/28584853/the-presence-of-human-immunodeficiency-virus-associated-neurocognitive-disorders-is-associated-with-a-lower-adherence-to-combined-antiretroviral-treatment
#19
Susan Kamal, Isabella Locatelli, Gilles Wandeler, Asemaneh Sehhat, Olivier Bugnon, Melanie Metral, Renaud Du Pasquier, Klemens Gutbrod, Matthias Cavassini, Marie P Schneider
BACKGROUND: Human immunodeficiency virus (HIV)-associated neurocognitive disorders (HAND) are defined according to their diagnostic degrees as follows: asymptomatic neurocognitive impairment, mild neurocognitive disorder, and HIV-associated dementia. Because high adherence to combined antiretroviral therapy (cART) is required to maintain viral suppression among HIV-infected patients, it is important to investigate the impact of HAND on medication adherence. Our study hypothesis was that patients with HAND had a lower medication adherence than patients who did not have HAND...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28580181/intercellular-adhesion-molecular-5-as-marker-in-hiv-associated-neurocognitive-disorder
#20
Lin Yuan, Feili Wei, Xin Zhang, Xianghua Guo, Xiaofan Lu, Bin Su, Tong Zhang, Hao Wu, Dexi Chen
Despite the use of antiretroviral drugs HIV associated neurocognitive disorders (HAND) are still common in HIV-seropositive patients. Identification of HIV patients with cognitive impairment in early-stage might benefit a great deal from disease progression monitoring and treatment adjustment. Intercellular adhesion molecule-5 (ICAM5), characteristically expressed on neuron, may suppress immune functions by inhibition of T cell activation in central nervous system. Previous studies have shown that ICAM5 could be detected in patients with brain injury...
May 2017: Aging and Disease
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