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Vance DE, Fazeli PL, Azuero A, Frank JS, Wadley VG, Raper JL, Pope CN, Ball KK. A 2-Year Longitudinal Randomized Control Trial of Speed of Processing Cognitive Training in Aging Adults with HIV-Associated Neurocognitive Disorder: Results of the Think Fast Study. AIDS Behav 2024:10.1007/s10461-024-04409-9. [PMID: 38954173 DOI: 10.1007/s10461-024-04409-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/03/2024] [Indexed: 07/04/2024]
Abstract
Nearly 40% of people with HIV (PWH) experience HIV-associated Neurocognitive Disorder (HAND). In this 3-group efficacy study, 216 PWH 40 + years with HAND or borderline HAND were randomized to either: (1) 10 h of SOP training (n = 70); (2) 20 h of SOP training (n = 73), or (3) 10 h of Internet navigation training (n = 73; contact control group). Participants were administered a measure of SOP [i.e., the Useful Field of View Test (UFOV®)] at baseline, at posttest immediately after training, and at year 1 and year 2 follow up. Intent-to-treat linear mixed-effect models with subject-specific intercept and slope were fitted to estimate between-group mean differences at the follow-up time-points. At the post-intervention time-point, small beneficial SOP training effects were observed for the 10-h group in UFOV® total (d = 0.28, p = 0.002). Effects were of larger magnitude for the 20-h group in these same outcomes [UFOV® total (d = 0.43, p < 0.001)]. These results indicated better benefit with more training. No intervention effect was observed at year 1. At year 2, beneficial effects of small magnitude were observed again in the 10-h group [UFOV® total (d = 0.22, p = 0.253)] with larger small-to-moderate magnitude in the 20-h group [UFOV® total (d = 0.32, p = 0.104)]. This study suggests that SOP training can improve a key indicator of this cognitive performance and that treatment gains are small-to-moderate over a two-year period. Prior literature suggests slower SOP is predictive of impairment in everyday functioning in older PWH; such an approach could potentially improve everyday functioning in PWH.
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Affiliation(s)
- David E Vance
- School of Nursing, University of Alabama at Birmingham, Birmingham, AL, 35294-1210, USA.
| | - Pariya L Fazeli
- School of Nursing, University of Alabama at Birmingham, Birmingham, AL, 35294-1210, USA
| | - Andres Azuero
- School of Nursing, University of Alabama at Birmingham, Birmingham, AL, 35294-1210, USA
| | - Jennifer S Frank
- School of Nursing, University of Alabama at Birmingham, Birmingham, AL, 35294-1210, USA
| | - Virginia G Wadley
- School of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - James L Raper
- The 1917 (HIV/AIDS) Clinic, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Caitlin N Pope
- Department of Health, Behavior & Society, University of Kentucky, Lexington, KY, USA
| | - Karlene K Ball
- Department of Psychology, UAB, University of Alabama at Birmingham, Birmingham, AL, USA
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Moskowitz JT, Sharma B, Javandel S, Moran P, Paul R, De Gruttola V, Tomov D, Azmy H, Sandoval R, Hillis M, Chen KP, Tsuei T, Addington EL, Cummings PD, Hellmuth J, Allen IE, Ances BM, Valcour V, Milanini B. Mindfulness-Based Stress Reduction for Symptom Management in Older Individuals with HIV-Associated Neurocognitive Disorder. AIDS Behav 2024:10.1007/s10461-024-04295-1. [PMID: 38493283 DOI: 10.1007/s10461-024-04295-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/12/2024] [Indexed: 03/18/2024]
Abstract
The growing number of people aging with HIV represents a group vulnerable to the symptom burdens of HIV-associated neurocognitive disorder (HAND). Among younger groups, Mindfulness-Based Stress Reduction (MBSR) has been shown to help people living with HIV manage HIV-related and other life stress, and although there is some theoretical and empirical evidence that it may be effective among those with cognitive deficits, the approach has not been studied in older populations with HAND. Participants (n = 180) 55 years or older with HIV and cognitive impairment were randomly assigned to either an 8-week MBSR arm or a waitlist control. We assessed the impact of MBSR compared to a waitlist control on psychological outcomes [stress, anxiety, depression, and quality of life (QOL)] and cognitive metrics (e.g., speed of information processing, working memory, attention, impulsivity) measured at baseline, immediately post intervention (8 weeks) and one month later (16 weeks). Intent to treat analyses showed significant improvement in the MBSR group compared to control on symptoms of depression from baseline to 8 weeks, however, the difference was not sustained at 16 weeks. The MBSR group also showed improvement in perceived QOL from baseline to 16 weeks compared to the waitlist control group. Cognitive performance did not differ between the two treatment arms. MBSR shows promise as a tool to help alleviate the symptom burden of depression and low QOL in older individuals living with HAND and future work should address methods to better sustain the beneficial impact on depression and QOL.
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Affiliation(s)
- Judith T Moskowitz
- Department of Medical Social Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
- Osher Center for Integrative Health, Northwestern University, Chicago, IL, USA.
- Northwestern University Feinberg School of Medicine, 625 N. Michigan Ave, Suite 2700, Chicago, IL, 60611, USA.
| | - Brijesh Sharma
- Department of Neurology, Memory and Aging Center, University of California San Francisco, San Francisco, CA, USA
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA, USA
| | - Shireen Javandel
- Department of Neurology, Memory and Aging Center, University of California San Francisco, San Francisco, CA, USA
| | - Patricia Moran
- Osher Center for Integrative Health, University of California, San Francisco, CA, USA
| | - Robert Paul
- Missouri Institute of Mental Health, University of Missouri-St. Louis, St. Louis, MO, USA
| | - Victor De Gruttola
- Division of Biostatistics, Herbert Wertheim School of Public Health, University of California San Diego, San Diego, CA, USA
| | - Dimitre Tomov
- Department of Neurology, School of Medicine, Washington University in St. Louis, St. Louis, MO, USA
| | - Haleem Azmy
- Department of Neurology, School of Medicine, Washington University in St. Louis, St. Louis, MO, USA
| | - Rodrigo Sandoval
- Department of Neurology, Memory and Aging Center, University of California San Francisco, San Francisco, CA, USA
| | - Madeline Hillis
- Department of Neurology, Memory and Aging Center, University of California San Francisco, San Francisco, CA, USA
| | - Karen P Chen
- Department of Neurology, Memory and Aging Center, University of California San Francisco, San Francisco, CA, USA
| | - Torie Tsuei
- Department of Neurology, Memory and Aging Center, University of California San Francisco, San Francisco, CA, USA
| | - Elizabeth L Addington
- Department of Medical Social Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Osher Center for Integrative Health, Northwestern University, Chicago, IL, USA
| | - Peter D Cummings
- Department of Medical Social Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Osher Center for Integrative Health, Northwestern University, Chicago, IL, USA
| | - Joanna Hellmuth
- Department of Neurology, Memory and Aging Center, University of California San Francisco, San Francisco, CA, USA
| | - Isabel Elaine Allen
- Department of Epidemiology & Biostatistics, University of California, San Francisco, CA, USA
| | - Beau M Ances
- Department of Neurology, School of Medicine, Washington University in St. Louis, St. Louis, MO, USA
| | - Victor Valcour
- Department of Neurology, Memory and Aging Center, University of California San Francisco, San Francisco, CA, USA
- Global Brain Health Institute, University of California, San Francisco, CA, USA
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Vance DE, Fazeli PL, Azuero A, Frank JS, Wadley VG, Raper JL, Pope CN, Ball KK. A 2-year longitudinal randomized controlled trial examining the transfer of speed of processing training to secondary cognitive domains in middle-aged and older adults with HIV-associated neurocognitive disorder: Results of the think fast study. Clin Neuropsychol 2024; 38:471-492. [PMID: 37191339 PMCID: PMC10651797 DOI: 10.1080/13854046.2023.2212867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 05/07/2023] [Indexed: 05/17/2023]
Abstract
OBJECTIVE As people with HIV (PWH) age, they are at-risk of developing cognitive impairments compared to their seronegative counterparts. Although speed of processing (SOP) training may help improve this cognitive ability, less work has examined transfer to other cognitive domains. This study examined the effect of SOP training has on secondary cognitive domains in PWH aged 40+ years. METHOD In this 3-group 2-year longitudinal study, 216 PWH with HIV-associated neurocognitive disorder (HAND) or borderline HAND were randomized to either: (1) 10 h of SOP training (n = 70); (2) 20 h of SOP training (n = 73); or (3) 10 h of an active control training (n = 73). Participants completed a comprehensive cognitive battery at baseline, immediately after training, and at 1 and 2 years. This battery yielded global and domain specific T-scores as well as a cognitive impairment variable. Generalized linear mixed-effect models were fitted to estimate between-group mean differences at the follow-up time-points adjusted for baseline. RESULTS No clinically or statistically significant improvements in any of the cognitive outcomes were observed. A sensitivity analysis was conducted; conclusions replicated those of the main analysis, with two exceptions: Global Function T and Psychomotor Speed T showed relevant training improvements among the intervention groups over the control group at the immediate post time point. CONCLUSIONS Although SOP training has been shown to improve cognitive abilities that correspond to driving and mobility, such training has limited therapeutic utility in improving cognition in other domains in PWH with HAND.
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Affiliation(s)
- David E. Vance
- School of Nursing, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Pariya L. Fazeli
- School of Nursing, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Andres Azuero
- School of Nursing, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Jennifer S. Frank
- School of Nursing, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Virginia G. Wadley
- School of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - James L. Raper
- The 1917 (HIV/AIDS) Clinic, School of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Caitlin N. Pope
- Department of Health, Behavior & Society, University of Kentucky, Lexington, Kentucky, USA
| | - Karlene K. Ball
- UAB Department of Psychology, University of Alabama at Birmingham, Birmingham, Alabama, USA
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Rohani R, Malakismail J, Njoku E. Pharmacological and Behavioral Interventions to Mitigate Premature Aging in Patients with HIV. Curr HIV/AIDS Rep 2023; 20:394-404. [PMID: 37917387 DOI: 10.1007/s11904-023-00677-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/18/2023] [Indexed: 11/04/2023]
Abstract
PURPOSE OF REVIEW We sought to review pharmacological and behavioral interventions that have been publicly presented, published, or are currently ongoing to prevent or mitigate the effect of premature HIV-associated comorbidities. RECENT FINDINGS Multiple studies have been conducted in hopes of finding an effective intervention. While the choice of antiretroviral regimen influences recovery of immune function, several drugs used as adjunct treatments have proven effective to mitigate premature aging. Additionally, few behavioral interventions have exhibited some efficacy. Statins, angiotensin-receptor blockers, and anti-hyperglycemic agents as well as optimal adherence, exercise, and intermittent fasting among others have had beneficial impact on markers of immune activation and levels of inflammatory biomarkers. However, several investigations had inconclusive outcomes so further studies with larger sample sizes are warranted.
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Affiliation(s)
- Roxane Rohani
- Discipline of Cellular and Molecular Pharmacology, Chicago Medical School, Rosalind Franklin University of Medicine and Science, 3333 Green Bay Road BSB 3.266, North Chicago, IL, USA.
- Department of Pharmacy, Captain James A. Lovell Federal Health Care Center, North Chicago, IL, USA.
| | - Jacob Malakismail
- Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA
| | - Emmanuel Njoku
- Section of Infectious Disease, Captain James A. Lovell Federal Health Care Center, North Chicago, IL, USA
- Discipline of Internal Medicine, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA
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Pope CN, Wheeler KM, Bell TR, Carroll BE, Ross LA, Crowe M, Black SR, Clay OJ, Ball KK. Social and Neighborhood Context Moderates the Associations Between Processing Speed and Driving Mobility: A 10-year Analysis of the ACTIVE Study. J Aging Health 2023; 35:26S-39S. [PMID: 37994848 DOI: 10.1177/08982643231163907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2023]
Abstract
Objectives: Processing speed is essential to functional independence in later life, such as driving a vehicle. Few studies have examined processing speed and driving mobility in the context of racial differences and social determinants of health (SDoH). This study characterized the longitudinal association between processing speed and driving mobility, and how it varied by race and SDoH. Methods: Using data from the control arm of the Advanced Cognitive Training in Vital Elderly study (n = 581, 24.5% Black), multilevel models examined longitudinal associations between processing speed and driving mobility outcomes (driving space, exposure, and difficulty). Race and SDoH moderations were explored. Results: Decline in processing speed measures was associated with increased self-reported driving difficulty, but only for older adults with below-average to average scores for neighborhood and built environments and social community context SDoH domains. Discussion: Findings emphasize the influence of physical and social environmental characteristics on processing speed and driving mobility.
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Affiliation(s)
- Caitlin N Pope
- Department of Health, Behavior and Society, University of Kentucky, Lexington, KY, USA
| | - Katie M Wheeler
- Department of Psychology, University of Alabama at Birmingham, AL, USA
| | - Tyler R Bell
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | - Brooke E Carroll
- Department of Psychology, University of Alabama at Birmingham, AL, USA
| | - Lesley A Ross
- Department of Psychology, Clemson University, SC, USA
| | - Michael Crowe
- Department of Psychology, University of Alabama at Birmingham, AL, USA
| | - Shelia R Black
- Department of Psychology, The University of Alabama, Tuscaloosa, AL, USA
| | - Olivio J Clay
- Department of Psychology, University of Alabama at Birmingham, AL, USA
| | - Karlene K Ball
- Department of Psychology, University of Alabama at Birmingham, AL, USA
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Woods SP, Thompson JL, Benge JF. Computer use: a protective factor for cognition in aging and HIV disease? Aging Clin Exp Res 2023:10.1007/s40520-023-02449-0. [PMID: 37278938 DOI: 10.1007/s40520-023-02449-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 05/21/2023] [Indexed: 06/07/2023]
Abstract
BACKGROUND Modifiable lifestyle factors such as engagement with technology may be beneficial to cognition in older adults, but we know little about these relationships in older persons with chronic medical conditions. AIMS The current study examined the association between computer use frequency and cognition in younger and older adults with and without HIV disease. METHODS Participants included 110 older persons with HIV (pwHIV; age ≥ 50 years), 84 younger pwHIV (age ≤ 40 years), 76 older HIV-, and 66 younger HIV- adults who completed a comprehensive medical, psychiatric, and cognitive research assessment. Demographically adjusted scores were derived from a well-validated clinical battery of performance-based neuropsychological tests. Participants also completed self-reported measures of cognitive symptoms in daily life and the Brief Computer Use and Anxiety Questionnaire (BCUAQ). RESULTS Older age was associated with less frequent computer use among persons with and without HIV disease. More frequent computer use was strongly and independently related to better cognitive performance, particularly in higher order domains (e.g., episodic memory and executive functions) and among the older seronegative adults. A small, univariable correlation between more frequent computer use and fewer cognitive symptoms in daily life was observed in the full sample, but that relationship was better explained by computer-related anxiety and HIV/age study group. DISCUSSION These findings add to the existing literature that suggests regular engagement with digital technologies may have a beneficial impact on cognitive functioning, consistent with the technological reserve hypothesis.
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Affiliation(s)
- Steven Paul Woods
- Department of Psychology, University of Houston, 3595 Cullen Blvd., 126 Heyne Bldg., Ste. 239d, Houston, TX, 77204, USA
| | - Jennifer L Thompson
- Department of Psychology, University of Houston, 3595 Cullen Blvd., 126 Heyne Bldg., Ste. 239d, Houston, TX, 77204, USA
| | - Jared F Benge
- Department of Neurology, Dell Medical School, University of Texas at Austin, Trinity St Bldg B, Austin, TX, 78712, USA.
- Mulva Clinic for the Neurosciences, University of Texas at Austin, Austin, TX, 78712, USA.
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Cognitive Intra-individual Variability in HIV: an Integrative Review. Neuropsychol Rev 2022; 32:855-876. [PMID: 34826006 PMCID: PMC9944348 DOI: 10.1007/s11065-021-09528-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 08/30/2021] [Indexed: 10/19/2022]
Abstract
Nearly 30-50% of people living with HIV experience HIV-Associated Neurocognitive Disorder (HAND). HAND indicates performance at least one standard deviation below the normative mean on any two cognitive domains. This method for diagnosing or classifying cognitive impairment has utility, however, cognitive intraindividual variability provides a different way to understand cognitive impairment. Cognitive intraindividual variability refers to the scatter in cognitive performance within repeated measures of the same cognitive test (i.e., inconsistency) or across different cognitive tests (i.e., dispersion). Cognitive intraindividual variability is associated with cognitive impairment and cognitive decline in various clinical populations. This integrative review of 13 articles examined two types of cognitive intraindividual variability in people living with HIV, inconsistency and dispersion. Cognitive intraindividual variability appears to be a promising approach to detect subtle cognitive impairments that are not captured by traditional mean-based neuropsychological testing. Greater intraindividual variability in people living with HIV has been associated with: 1) poorer cognitive performance and cognitive decline, 2) cortical atrophy, both gray and white matter volume, 3) poorer everyday functioning (i.e., driving simulation performance), specifically medication adherence, and 4) even mortality. This inspires future directions for research. First, greater cognitive intraindividual variability may reflect a greater task demand on executive control to harness and regulate cognitive control over time. By improving executive functioning through cognitive training, it may reduce cognitive intraindividual variability which could slow down cognitive decline. Second, cognitive intraindividual variability may be reconsidered in prior cognitive intervention studies in which only mean-based cognitive outcomes were used. It is possible that such cognitive interventions may actually improve cognitive intraindividual variability, which could have clinical relevance.
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Vance DE, Pope CN, Fazeli PL, Azuero A, Frank JS, Wadley VG, Raper JL, Byun JY, Ball KK. A Randomized Clinical Trial on the Impact of Individually Targeted Computerized Cognitive Training on Quality of Life Indicators in Adults With HIV-Associated Neurocognitive Disorder in the Southeastern United States. J Assoc Nurses AIDS Care 2022; 33:295-310. [PMID: 34864757 DOI: 10.1097/jnc.0000000000000316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
ABSTRACT HIV-associated neurocognitive disorder (HAND) is experienced by 30% to 50% of people living with HIV (PLWH), potentially affecting their quality of life (QoL). In the Training on Purpose Study, we investigated whether targeted cognitive training can improve QoL in PLWH with HAND. Using a two-group experimental design, we randomized 109 adults with HAND to either (a) the Individualized-Targeted Cognitive Training group or (b) a no-contact control group. Those in the training group were assigned 10 hr of cognitive training per two selected cognitive domains (20 hr total) for which impairment was observed. Overall, two patterns emerged. First, significant improvements in measures of everyday cognitive complaints, depression, and mental health were consistently observed after the completion of many cognitive training protocols. Second, immediate and delayed spatial learning and memory training resulted in more significant indicators of QoL improvements compared with the other cognitive domain trainings. The findings suggest that some types of cognitive training may have advantages over others in improving aspects of QoL.
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Affiliation(s)
- David E Vance
- David E. Vance, PhD, MGS, is a Professor, School of Nursing, University of Alabama at Birmingham, Birmingham, Alabama, USA. Caitlin N. Pope, PhD, is an Assistant Professor, Department of Health, Behavior, and Society, College of Public Health, University of Kentucky, Lexington, Kentucky, USA. Pariya L. Fazeli, PhD, is an Associate Professor, School of Nursing, University of Alabama at Birmingham, Birmingham, Alabama, USA. Andres Azuero, PhD, is a Professor, School of Nursing, University of Alabama at Birmingham, Birmingham, Alabama, USA. Jennifer S. Frank, PhD, is a Neuropsychologist/Instructor, School of Nursing, University of Alabama at Birmingham, Birmingham, Alabama, USA. Virginia G. Wadley, PhD, is a Professor Emerita, School of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA. James L. Raper, PhD, JD, CRNP, is a Professor and Director of the 1917 (HIV/AIDS) Clinic, School of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA. Jun Y. Byun, MSN, RN, is a PhD Student, School of Nursing, University of Alabama at Birmingham, Birmingham, Alabama, USA. Karlene K. Ball, PhD, is a Professor, Department of Psychology, University of Alabama at Birmingham, Birmingham, Alabama, USA
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Perceived Improvement and Satisfaction With Training After Individualized-Targeted Computerized Cognitive Training in Adults With HIV-Associated Neurocognitive Disorder Living in Alabama: A Descriptive Cross-sectional Study. J Assoc Nurses AIDS Care 2022; 33:581-586. [PMID: 35363623 DOI: 10.1097/jnc.0000000000000333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Wei J, Hou J, Mu T, Sun J, Li S, Wu H, Su B, Zhang T. Evaluation of Computerized Cognitive Training and Cognitive and Daily Function in Patients Living With HIV: A Meta-analysis. JAMA Netw Open 2022; 5:e220970. [PMID: 35238931 PMCID: PMC8895263 DOI: 10.1001/jamanetworkopen.2022.0970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
IMPORTANCE In the era of antiretroviral therapy (ART), the incidence of HIV-associated neurocognitive disorder (HAND) has not yet been controlled. With the exception of ART, there is no beneficial pharmacologic treatment. However, some studies have reported that computerized cognitive training (CCT) programs may improve cognitive function among people living with HIV. OBJECTIVE To examine the association between CCT programs and 8 domains measuring cognitive function (7 domains) and daily function (1 domain) among people living with HIV. DATA SOURCES Records from the Cochrane Library, PsycINFO, PubMed, and Web of Science were searched from database inception to December 15, 2020. Supplementary searches to identify missing studies were conducted in Google Scholar using updated search terms from database inception to November 18, 2021. STUDY SELECTION Studies that compared changes before and after a CCT intervention among people living with HIV were included. Search terms were a combination of words associated with HIV (eg, people living with HIV, HIV, and/or AIDS) and cognitive training (eg, cognitive intervention, nonpharmacology intervention, computer game, video game, computerized training, cognitive exercise, cognitive stimulation, and/or cognitive enhancement). Studies were included if they (1) used CCT as the primary intervention or combined CCT with other types of interventions; (2) used placebo, passive control conditions, traditional cognitive training, or single training tasks as control conditions; (3) reported changes between baseline and posttraining; (4) included participants 18 years or older; and (5) were randomized clinical trials (RCTs). Studies were excluded if they (1) were not associated with HIV, (2) were research protocols or feedback reports, (3) were case reports, or (4) did not report findings for domains of interest. DATA EXTRACTION AND SYNTHESIS Two reviewers independently extracted data. This study followed the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) reporting guideline. Random-effects models were used to quantitatively synthesize the existing data. MAIN OUTCOMES AND MEASURES Primary outcomes were the meta-synthesized changes in each domain after CCT. RESULTS Among 1245 records identified, 1043 were screened after removal of duplicates. Of those, 1019 records were excluded based on titles and abstracts, and 24 full-text articles were assessed for eligibility. After exclusions, 12 eligible RCTs were selected for inclusion in the meta-analysis. These RCTs involved 596 total participants, with 320 individuals in the CCT group (mean age, 47.5-59.7 years; 0%-94% female; 8.3-14.2 years of education) and 276 individuals in the control group (mean age, 44.2-60.0 years; 19%-90% female; 9.0-14.9 years of education). The average HIV inhibition ratio (the proportion of participants who achieved virological suppression) ranged from 30% to 100%, and the CD4+ T-cell count ranged from 471 to 833 cells/μL. The time since training ranged from 3 to 24 weeks. After receipt of CCT, function significantly improved in 6 of the 8 domains: abstraction and executive function (standardized mean difference [SMD], 0.58; 95% CI, 0.26-0.91; P < .001), attention and working memory (SMD, 0.62; 95% CI, 0.33-0.91; P < .001), memory (SMD, 0.59; 95% CI, 0.20-0.97; P = .003), motor skills (SMD, 0.50; 95% CI, 0.24-0.77; P < .001), speed of information processing (SMD, 0.65; 95% CI, 0.37-0.94; P < .001), and daily function (SMD, 0.44; 95% CI, 0.02-0.86; P = .04). Sensory and perceptual skills (SMD, 0.06; 95% CI, -0.36 to 0.48; P = .78) and verbal and language skills (SMD, 0.46; 95% CI, -0.07 to 0.99; P = .09) did not significantly improve after CCT. CONCLUSIONS AND RELEVANCE This meta-analysis of RCTs found that CCT programs were associated with improvements in cognitive and daily function among people living with HIV. Future studies are needed to design optimal specific training programs and use implementation science to enable the transformation of CCT from a scientific research tool to a real-world clinical intervention.
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Affiliation(s)
- Jiaqi Wei
- Beijing Key Laboratory for HIV/AIDS Research, Clinical and Research Center for Infectious Diseases, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Jianhua Hou
- Department of Social and Behavioural Sciences, City University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Tingting Mu
- Beijing Key Laboratory for HIV/AIDS Research, Clinical and Research Center for Infectious Diseases, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Jun Sun
- Department of Radiology, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Shuang Li
- Beijing Key Laboratory for HIV/AIDS Research, Clinical and Research Center for Infectious Diseases, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Hao Wu
- Beijing Key Laboratory for HIV/AIDS Research, Clinical and Research Center for Infectious Diseases, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Bin Su
- Beijing Key Laboratory for HIV/AIDS Research, Clinical and Research Center for Infectious Diseases, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Tong Zhang
- Beijing Key Laboratory for HIV/AIDS Research, Clinical and Research Center for Infectious Diseases, Beijing Youan Hospital, Capital Medical University, Beijing, China
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