Context: The AIDS dementia complex is one of the most common and clinically important complications of HIV infection. Subclinical dementia not presenting with features of frank disease may be missed. The use of screening tools provides a good alternative to a psychiatrist's diagnosis in resource-limited settings like the site of this study.
Aims: The study aimed to analyze various parameters such as age, gender, duration of the disease, duration since treatment, clinical staging, CD4 count, mode of transmission, and comorbidities like tuberculosis with the prevalence of AIDS dementia complex in the participants.
Settings And Design: A cross-sectional study involving 180 participants was conducted over a duration of 18 months.
Materials And Methods: The assessment of dementia was done using the International HIV Dementia Scale.
Statistical Analysis Used: Backward binomial logistics regression.
Results: Both duration of treatment and duration since diagnosis of HIV were found to be significantly associated with the presence of AIDS dementia. Patients having stage 4 disease and CD4 counts <200 were likelier to have dementia as compared to other participants. People with an unknown mode of transmission had higher odds of having AIDS dementia than persons having a mode of transmission as via blood/blood products/invasive procedures/mother-to-child transmission/IV drug abuse. Binomial logistic regression revealed mode of transmission or rather its awareness to be the strongest contributor.
Conclusions: These findings highlight the need for early screening and diagnosis of HIV-associated dementia in patients living with HIV and that of early assessment and initiation of treatment.
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http://dx.doi.org/10.4103/ijstd.ijstd_80_21 | DOI Listing |
ASN Neuro
January 2025
Department of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, Virginia, USA.
People living with HIV (PLWH) experience HIV-associated neurocognitive disorders (HAND), even though combination antiretroviral therapy (cART) suppresses HIV replication. HIV-1 transactivator of transcription (HIV-1 Tat) contributes to the development of HAND through neuroinflammatory and neurotoxic mechanisms. C-C chemokine 5 receptor (CCR5) is important in immune cell targeting and is a co-receptor for HIV viral entry into CD4+ cells.
View Article and Find Full Text PDFNeuroradiol J
January 2025
Department of Medical Physics, Faculty of Medicine, Mashhad University of Medical Sciences, Iran.
Introduction: The prevalence of neurodegenerative diseases has significantly increased, necessitating a deeper understanding of their symptoms, diagnostic processes, and prevention strategies. Frontotemporal dementia (FTD) and Alzheimer's disease (AD) are two prominent neurodegenerative conditions that present diagnostic challenges due to overlapping symptoms. To address these challenges, experts utilize a range of imaging techniques, including magnetic resonance imaging (MRI), diffusion tensor imaging (DTI), functional MRI (fMRI), positron emission tomography (PET), and single-photon emission computed tomography (SPECT).
View Article and Find Full Text PDFFront Neurol
December 2024
Students Research Committee, Ardabil University of Medical Sciences, Ardabil, Iran.
Background And Aim: Neurodegenerative disorders (e.g., Alzheimer's, Parkinson's) lead to neuronal loss; neurocognitive disorders (e.
View Article and Find Full Text PDFAm J Epidemiol
December 2024
Department of Social Sciences, Institute for Research on Socio-Economic Inequality (IRSEI), University of Luxembourg, Esch-sur-Alzette, Luxembourg.
Observational studies have reported that hearing aid (HA) use is associated with a reduced risk of dementia diagnosis, suggesting a possible protective effect. However, extant observational studies do not explicitly model causal effects, while randomised controlled trials on the effect of HA on dementia exhibit short follow-up. Here we used self-report, hearing tests, and healthcare records in UK Biobank to design a hypothetical intervention for the effect of HA use on the risk of dementia diagnosis in people with incident hearing loss (HL).
View Article and Find Full Text PDFTher Innov Regul Sci
December 2024
Department of Clinical Biostatistics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan.
Background: Alzheimer's disease (AD) is a neurodegenerative disease for which many clinical trials failed to detect treatment effects, possibly due to the heterogeneity of disease progression among the patients. Predicting and clustering a long-term trajectory of cognitive decline from the short-term cognition data of individual patients would help develop therapeutic interventions for AD.
Methods: This study developed mixture disease progression model to predict and cluster the long-term trajectory of cognitive decline in the population.
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