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https://www.readbyqxmd.com/read/28721049/the-potential-role-of-vagus-nerve-stimulation-in-the-treatment-of-hiv-associated-depression-a-review-of-literature
#1
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
#2
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
#3
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/28711810/cocaine-dependence-modulates-the-effect-of-hiv-infection-on-brain-activation-during-intertemporal-decision-making
#4
Christina S Meade, Andrea L Hobkirk, Sheri L Towe, Nan-Kuei Chen, Ryan P Bell, Scott A Huettel
BACKGROUND: Both HIV infection and chronic cocaine use alter the neural circuitry of decision making, but the interactive effects of these commonly comorbid conditions have not been adequately examined. This study tested how cocaine moderates HIV-related neural activation during an intertemporal decision-making task. METHODS: The sample included 73 participants who differed on cocaine and HIV status (18 COC+/HIV+, 19 COC+/HIV-, 19 COC-/HIV+, 17 COC-/HIV-). Participants made choices between smaller, sooner and larger, delayed rewards while undergoing functional MRI...
July 8, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28700727/longitudinal-increases-of-brain-metabolite-levels-in-5-10-year-old-children
#5
Martha J Holmes, Frances C Robertson, Francesca Little, Steven R Randall, Mark F Cotton, Andre J W van der Kouwe, Barbara Laughton, Ernesta M Meintjes
Longitudinal magnetic resonance imaging (MRI) and diffusion tensor imaging (DTI) studies reveal significant changes in brain structure and structural networks that occur together with cognitive and behavioral maturation in childhood. However, the underlying cellular changes accompanying brain maturation are less understood. Examining regional age-related changes in metabolite levels provides insight into the physiology of neurodevelopment. Magnetic resonance spectroscopy (MRS) measures localize brain metabolism...
2017: PloS One
https://www.readbyqxmd.com/read/28697624/evaluating-a-novel-intervention-to-reduce-trauma-symptoms-and-sexual-risk-taking-qualitative-exit-interviews-with-sexual-minority-men-with-childhood-sexual-abuse
#6
S Wade Taylor, Brett M Goshe, Samantha M Marquez, Steven A Safren, Conall O'Cleirigh
Childhood sexual abuse (CSA) continues to affect sexual minority men (SMM) at disproportionate levels and contributes to multiple negative health outcomes, including sexual-risk taking and HIV acquisition. This paper presents qualitative evaluative feedback from SMM (N = 9) who participated in a 10-session Cognitive Behavioral Therapy-Trauma and Sexual Health (CBT-TSH) intervention to reduce CSA-related posttraumatic stress reaction and distress. The treatment was designed to increase accurate sexual risk appraisals and to improve self-care health behaviors related to HIV/STI acquisition...
July 12, 2017: Psychology, Health & Medicine
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/28693481/psychological-situational-and-application-related-determinants-of-the-intention-to-self-test-a-factorial-survey-among-students
#8
Pinar Kuecuekbalaban, Tim Rostalski, Silke Schmidt, Holger Muehlan
BACKGROUND: The Internet enables an unprecedented opportunity to access a broad range of self-tests (e.g. testing for HIV, cancer, hepatitis B/C), which can be conducted by lay consumers without the help of a health professional. However, there is only little knowledge about the determinants of the use of self-tests. Thus, the aims of this study were (1) to experimentally investigate the impact of situational and application-related characteristics on the intention to use a self-test (ST), compared to being tested by a health professional at home (HPH) or at a doctor's office (HPD), (2) to examine the applicability of social-cognitive health behaviour theories on self-testing, and (3) to explore the advantages of integrating technological affinity into social-cognitive health behaviour models to predict self-testing...
July 10, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28692534/blood-neuron-derived-exosomes-as-biomarkers-of-cognitive-impairment-in-hiv
#9
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/28691434/universal-antiretroviral-therapy-for-hiv-infected-children-a-review-of-the-benefits-and-risks-to-consider-during-implementation
#10
Linda Barlow-Mosha, Victor Musiime, Mary-Ann Davies, Andrew J Prendergast, Philippa Musoke, George Siberry, Martina Penazzato
BACKGROUND: The 2016 World Health Organization (WHO) consolidated guidelines on the use of antiretroviral drugs for treating and preventing HIV infection, recommended to start all HIV-infected children on antiretroviral therapy (ART). Here, we explore the possible benefits and risks of implementing universal ART for all HIV-infected children and adolescents and outline some of the key considerations that led to the 2016 revision of WHO guidelines. METHODS: We conducted a review of the published data from 2000 to 2016, to ascertain the clinical and programmatic benefits, as well as the risks of implementing universal ART for all children...
June 27, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28690913/ghrelin-amylin-gastric-inhibitory-peptide-and-cognition-in-middle-aged-hiv-infected-and-uninfected-women-the-women-s-interagency-hiv-study
#11
Samy I McFarlane, Michelle M Mielke, Anthony Uglialoro, Sheila M Keating, Susan Holman, Howard Minkoff, Howard A Crystal, Deborah R Gustafson
OBJECTIVE: To explore the gut-brain axis by examining gut hormone levels and cognitive test scores in women with (HIV+) and without (HIV-) HIV infection. DESIGN/METHODS: Participants included 356 women (248 HIV+, 108 at risk HIV-) in the Brooklyn Women's Interagency HIV Study (WIHS) with measured levels of ghrelin, amylin and gastric inhibitory peptide (GIP), also known as glucose-dependent insulinotropic polypeptide. Cross-sectional analyses using linear regression models estimated the relationship between gut hormones and Trails A, Trails B, Stroop interference time, Stroop word recall, Stroop color naming and reading, and Symbol Digit Modalities Test (SDMT) with consideration for age, HIV infection status, Wide Range Achievement Test score (WRAT), CD4 count, insulin resistance, drug use, and race/ethnicity...
February 2017: Journal of Neurology & Neurophysiology
https://www.readbyqxmd.com/read/28689493/hiv-associated-executive-dysfunction-in-the-era-of-modern-antiretroviral-therapy-a-systematic-review-and-meta-analysis
#12
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/28684681/interplay-between-autophagy-exosomes-and-hiv-1-associated-neurological-disorders-new-insights-for-diagnosis-and-therapeutic-applications
#13
REVIEW
Chet Raj Ojha, Jessica Lapierre, Myosotys Rodriguez, Seth M Dever, Mohammad Asad Zadeh, Catherine DeMarino, Michelle L Pleet, Fatah Kashanchi, Nazira El-Hage
The autophagy-lysosomal pathway mediates a degradative process critical in the maintenance of cellular homeostasis as well as the preservation of proper organelle function by selective removal of damaged proteins and organelles. In some situations, cells remove unwanted or damaged proteins and RNAs through the release to the extracellular environment of exosomes. Since exosomes can be transferred from one cell to another, secretion of unwanted material to the extracellular environment in exosomes may have an impact, which can be beneficial or detrimental, in neighboring cells...
July 6, 2017: Viruses
https://www.readbyqxmd.com/read/28682186/health-promotion-intervention-increases-self-reported-physical-activity-in-sub-saharan-african-university-students-a-randomized-controlled-pilot-study
#14
G Anita Heeren, John B Jemmott, C Show Marange, Arnold Rumosa Gwaze, Jesca Mercy Batidzirai, Zolani Ngwane, Andrew Mandeya, Joanne C Tyler
To evaluate the efficacy of a health-promotion intervention in increasing self-reported physical activity among university students in Sub-Saharan Africa. Randomly selected second-year students at a university in South Africa were randomized to an intervention based on social cognitive theory: health-promotion, targeting physical activity and fruit, vegetable, and fat consumption; or HIV risk-reduction, targeting sexual-risk behaviors. Participants completed assessments via audio computer-assisted self-interviewing pre-intervention and 6 and 12 months post-intervention...
July 6, 2017: Behavioral Medicine
https://www.readbyqxmd.com/read/28682013/cocaine-and-hiv-are-independently-associated-with-neural-activation-in-response-to-gain-and-loss-valuation-during-economic-risky-choice
#15
Christina S Meade, Merideth Addicott, Andrea L Hobkirk, Sheri L Towe, Nan-Kuei Chen, Sriramkumar Sridharan, Scott A Huettel
Stimulant abuse is disproportionately common in HIV-positive persons. Both HIV and stimulants are independently associated with deficits in reward-based decision making, but their interactive and/or additive effects are poorly understood despite their prevalent co-morbidity. Here, we examined the effects of cocaine dependence and HIV infection in 69 adults who underwent functional magnetic resonance imaging while completing an economic loss aversion task. We identified two neural networks that correlated with the evaluation of the favorable characteristics of the gamble (i...
July 6, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28673660/the-rapid-ii-neuropsychological-test-battery-for-subjects-aged-20-to-49-years-norms-and-cognitive-profile
#16
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/28669770/feedback-on-a-multimodal-cognitive-intervention-for-adults-aging-with-hiv-a-focus-group-study
#17
David E Vance, C Ann Gakumo, Gwendolyn D Childs, Comfort Enah, Pariya L Fazeli
Nearly 50% of adult persons living with HIV (PLWH) experience HIV-associated neurocognitive disorder (HAND), which is associated with deteriorating brain health and cognitive functioning. Multimodal interventions that simultaneously improve physical activity, nutrition, and sleep hygiene may be of value for adult PLWH, especially as they age and become vulnerable to HAND. We used four focus groups of PLWH (N = 30; ages ≥ 50 years) to solicit feedback about Cognitive Prescriptions, a multimodal cognitive intervention...
June 29, 2017: Journal of the Association of Nurses in AIDS Care: JANAC
https://www.readbyqxmd.com/read/28665215/neurocognitive-profile-of-hiv-positive-adults-on-combined-antiretroviral-therapy-a-single-centre-study-in-serbia
#18
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
#19
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
#20
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
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