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Akalp K, Ferreira JP, Soares CM, Ribeiro MJ, Teixeira AM. The effects of different types of exercises on cognition in older persons with mild cognitive impairment: A systematic review and meta-analysis. Arch Gerontol Geriatr 2024; 126:105541. [PMID: 38981326 DOI: 10.1016/j.archger.2024.105541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 05/25/2024] [Accepted: 06/17/2024] [Indexed: 07/11/2024]
Abstract
PURPOSE This systematic review with meta-analysis aims to analyze the effects of different types of exercise on cognition, neuroprotective and neuroinflammatory blood markers in older adults with mild cognitive impairment (MCI). METHODS Relevant studies were identified using PubMED, SPORTDiscuss, Web of Science, Scopus, and PsycInfo databases. Methodological quality assessment of the studies was done with modified Downs and Black checklist. Data obtained from the included studies was analyzed using Comprehensive Meta-Analysis 4.0 software and results were reported using the random effects method. RESULTS A total of twenty-three studies were identified. The findings were summarized as change in cognitive function after the exercise interventions in general and after each type of exercise. On average, the exercise intervention revealed an effect size (ES): 1.165; 0.741 to 1.589 (95% Confidence Interval (CI); p < 0.001); aerobic exercise ES: 1.442; 0.624 to 2.260 (95 %CI); p = 0.001; Multimodal ES: 0,856; 0.366 to 1.346 (95 % CI); p = 0.001 and resistance exercise ES: 1.229; 0.339 to 2.120 (95 % CI); p = 0.007. In addition, we observed significant small ES: -0.475; -0.817 to -0.134 (95 %CI); p = 0.006, I2= 0 %; τ2 = 0 of exercise effects on Tumor Necrosis Factor-α (TNF-α) and non-significant large ES:0.952; -0.238 to 2.142 (95 %CI); p = 0.117 on Brain Derived Neurotrophic Factor (BDNF) in persons with MCI. CONCLUSION The present study revealed the existence of a large positive effect of overall exercise intervention on cognitive function and a small effect on TNF-α in old people with MCI. Additionally, this study demonstrates that aerobic and resistance exercises had similar larger positive effects and were better than multimodal exercise on increasing cognition in older persons with MCI.
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Affiliation(s)
- Kaan Akalp
- University of Coimbra, Research Unit for Sport and Physical Activity(CIDAF -doi: 10.54499/UIDP/04213/2020), Faculty of Sport Sciences and Physical Education, 3040-248 Coimbra, Portugal.
| | - José Pedro Ferreira
- University of Coimbra, Research Unit for Sport and Physical Activity(CIDAF -doi: 10.54499/UIDP/04213/2020), Faculty of Sport Sciences and Physical Education, 3040-248 Coimbra, Portugal
| | - Carlos M Soares
- University of Coimbra, Research Unit for Sport and Physical Activity(CIDAF -doi: 10.54499/UIDP/04213/2020), Faculty of Sport Sciences and Physical Education, 3040-248 Coimbra, Portugal; University of Coimbra, Molecular Physical-Chemistry R&D Unit, Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal; Higher Institute of Educational Sciences of Douro, ISCE Research Center (CI-ISCE), 4560-708 Penafiel, Portugal
| | - Maria José Ribeiro
- University of Coimbra, CIBIT-ICNAS, Coimbra, Portugal; University of Coimbra, Faculty of Medicine, Coimbra, Portugal
| | - Ana Maria Teixeira
- University of Coimbra, Research Unit for Sport and Physical Activity(CIDAF -doi: 10.54499/UIDP/04213/2020), Faculty of Sport Sciences and Physical Education, 3040-248 Coimbra, Portugal
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Liu X, Liu L, Liu C. Summary of the effect of an exercise intervention on elderly with mild cognitive impairment: A systematic review and meta-analysis. Medicine (Baltimore) 2024; 103:e38025. [PMID: 38875404 PMCID: PMC11175880 DOI: 10.1097/md.0000000000038025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 02/01/2024] [Accepted: 04/05/2024] [Indexed: 06/16/2024] Open
Abstract
BACKGROUND Many randomized controlled trials have demonstrated that exercise benefits cognitive function in patients with mild cognitive impairment (MCI), but less attention has been paid to the development of exercise programs in this population. OBJECTIVE This study aimed to assess the effect of exercise intervention for elderly with MCI and provide the most effective exercise intervention plan. METHODS We searched 4 international databases (PubMed, EMBASE, Web of Science, Cochrane Library) and 4 Chinese databases (Chinese National Knowledge Infrastructure, VIP database and Wanfang database) for studies on exercises associated with MCI up to September 25, 2022. The resulting standardized mean differences (SMD) and 95% confidence intervals were statistically analyzed using Review Manager 5.3 software. RESULTS A total of 20 RCTs were comprised in this meta-analysis, including 1393 participants. The results of the meta-analysis revealed that exercise had positive effects on cognitive function in elderly with MCI and was statistically significant (SMD = 1.25, 95%CI: [0.88,1.62], P < .00001). Subgroup analysis showed that the most significant factor was the Peterson 2004 criteria, multi-exercise, 35 to 50 minutes/times, <3 times/3 to 5 times per week, >16 weeks and medium intensity. CONCLUSION Exercise intervention can significantly alleviate cognition in elderly with MCI. The best exercise program for exercise intervention for MCI is: multi-exercise, 35 to 50 minutes/times, 3 to 5 times/week, and exercise cycle for more than 16 weeks with medium intensity, has the best effect. Plus, more RCTs with larger sample sizes will be required in the future to demonstrate the link between exercise duration, intensity, and cognitive function.
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Affiliation(s)
- Xiaotang Liu
- College of Physical Education, Shanghai Normal University, Shanghai, China
| | - Lanjuan Liu
- College of Physical Education, Shanghai Normal University, Shanghai, China
| | - Cheng Liu
- Department of Sports, Donghua University, Shanghai, China
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Sawangwong P, Tungsukruthai S, Nootim P, Sriyakul K, Phetkate P, Pawa KK, Tungsukruthai P. The Effects of 12-Week Traditional Thai Exercise (Ruesi Dadton) on Glycemic Control and Inflammatory Markers in Prediabetes: A Randomized Controlled Trial. Life (Basel) 2023; 13:2166. [PMID: 38004306 PMCID: PMC10672481 DOI: 10.3390/life13112166] [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] [Received: 09/22/2023] [Revised: 10/28/2023] [Accepted: 11/03/2023] [Indexed: 11/26/2023] Open
Abstract
Hyperglycemia and inflammation are hallmarks of the prediabetes stage, which has the potential to develop into diabetes mellitus. In this stage, lifestyle changes and exercise are recommended and have been shown to be effective. However, there has been insufficient study investigating the impact of Ruesi Dadton (RD) exercise on prediabetes. Therefore, this study aimed to investigate the effect of RD exercise on biomarkers of glycemic level including fasting plasma glucose (FPG), the 2 h oral glucose tolerance test (OGTT), hemoglobin A1C (HbA1C), the biomarkers of inflammation C-reactive protein (CRP) and interleukin 6 (IL-6), and body mass index (BMI) on prediabetes during 12-week RD exercise. A total of 64 participants were randomly assigned into two groups, RD and control (CON), and were tested by measuring their glycemic levels to screen for prediabetes. The RD group was instructed to perform 10 postures of RD exercise in 60 min, three times a week. The CON group received standard lifestyle recommendations that were not pharmacologically managed. The results reveal that the RD group experienced a significant decrease in FPG, OGTT, HbA1C, and IL-6 (p < 0.01), and BMI and CRP (p < 0.05) compared to the CON group. In addition, the CON group had considerably higher glycemic levels, BMI and IL-6 levels (p < 0.01). Our study demonstrates that RD could decrease the biomarkers of glycemic level and inflammation during 12 weeks of RD exercise in prediabetes. These findings suggest that RD exercise is an effective approach for reducing systemic inflammation and controlling glycemic levels in prediabetic patients.
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Affiliation(s)
- Pornchai Sawangwong
- Chulabhorn International College of Medicine, Thammasat University, Pathum Thani 12120, Thailand; (P.S.); (K.S.); (P.P.); (K.K.P.)
| | - Sucharat Tungsukruthai
- Division of Health and Applied Sciences, Faculty of Science, Prince of Songkla University, Hat Yai 90110, Thailand;
| | - Preecha Nootim
- Department of Thai Traditional and Alternative Medicine, Ministry of Public Health, Nonthaburi 11000, Thailand;
| | - Kusuma Sriyakul
- Chulabhorn International College of Medicine, Thammasat University, Pathum Thani 12120, Thailand; (P.S.); (K.S.); (P.P.); (K.K.P.)
| | - Pratya Phetkate
- Chulabhorn International College of Medicine, Thammasat University, Pathum Thani 12120, Thailand; (P.S.); (K.S.); (P.P.); (K.K.P.)
| | - Kammal Kumar Pawa
- Chulabhorn International College of Medicine, Thammasat University, Pathum Thani 12120, Thailand; (P.S.); (K.S.); (P.P.); (K.K.P.)
| | - Parunkul Tungsukruthai
- Chulabhorn International College of Medicine, Thammasat University, Pathum Thani 12120, Thailand; (P.S.); (K.S.); (P.P.); (K.K.P.)
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Thanasilungkoon B, Niempoog S, Sriyakul K, Tungsukruthai P, Kamalashiran C, Kietinun S. The Efficacy of Ruesi Dadton and Yoga on Reducing Neck and Shoulder Pain in Office Workers. INTERNATIONAL JOURNAL OF EXERCISE SCIENCE 2023; 16:1113-1130. [PMID: 38287934 PMCID: PMC10824298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/31/2024]
Abstract
Work-related Musculoskeletal Disorders can cause neck and shoulder pain in office workers. The research objective was to investigate the efficacy of Ruesi Dadton exercise (RD) and Yoga exercise (YE) compared with Stretching exercise (SE) on reducing neck and shoulder pain in office workers. A single-blind randomized controlled trial was conducted at Thai Traditional Health Promotion Center, Thai Traditional and Alternative Medicine Hospital. A total number of 80 participants, equally divided into three groups: two intervention groups of RD (n=26), YE (n=28), and a control group of stretching exercise (SE) (n=26) who completed the 4-week intervention program. The primary outcomes were pain relief assessed by Visual Analog Scale, Pressure Pain Threshold, muscle flexibility by Cervical Range of Motion. The secondary outcome was World Health Organization's Quality of Life test. ANOVA, paired t-tests and repeated ANOVA were used to analyze the data. The results showed that the comparison of all three groups before and after the exercises revealed a decrease in pain, better tolerance to pain and more flexibility of the neck muscles with statistical significance (p< 0.05). With respect to the quality of World Health Organization's Quality of Life, the comparison of all four domains in all three groups before and after the exercises indicated a statistically significant improvement in quality of life (p< 0.05). However, there were no differences in pain, neck muscle flexibility and quality of life between groups.
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Affiliation(s)
| | - Sunyarn Niempoog
- Department of Orthopedic, Faculty of Medicine, Thammasat University Pathum Thani, THAILAND
| | - Kusuma Sriyakul
- Chulabhorn International College of Medicine, Thammasat University (Rangsit Campus), Pathum Thani, THAILAND
| | - Parunkul Tungsukruthai
- Chulabhorn International College of Medicine, Thammasat University (Rangsit Campus), Pathum Thani, THAILAND
| | - Chuntida Kamalashiran
- Chulabhorn International College of Medicine, Thammasat University (Rangsit Campus), Pathum Thani, THAILAND
| | - Somboon Kietinun
- Chulabhorn International College of Medicine, Thammasat University (Rangsit Campus), Pathum Thani, THAILAND
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Ding Z, Leung PY, Lee TL, Chan AS. Effectiveness of lifestyle medicine on cognitive functions in mild cognitive impairments and dementia: A systematic review on randomized controlled trials. Ageing Res Rev 2023; 86:101886. [PMID: 36806378 DOI: 10.1016/j.arr.2023.101886] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 02/13/2023] [Accepted: 02/15/2023] [Indexed: 02/22/2023]
Abstract
Mild cognitive impairment (MCI) and dementia are associated with lifestyle risk factors, making lifestyle medicine a potentially viable intervention for people with MCI and dementia. The present study aims to examine the effectiveness of lifestyle medicine on cognitive functions among people with MCI and dementia, by performing a systematic review and meta-analysis on randomized controlled trials (RCT). A systematic literature search was conducted to extract RCTs adopting lifestyle interventions of diet, exercise, and stress management or emotional well-being. Results showed that 65 studies were eligible. Exercise was the most promising lifestyle intervention that improved various cognitive functions among people with MCI and dementia, and was more effective in MCI than in dementia. Interventions on stress management or emotional well-being did not show a significant effect on people with MCI, and the evidence for people with dementia was insufficient to conclude. Similarly, due to the lack of RCTs on a healthy dietary pattern, the effectiveness of diet interventions was not examined. In conclusion, the exercise component of lifestyle medicine can be an effective and clinically significant intervention for protecting people with MCI and dementia against cognitive declines, especially when served as an early intervention at the stage of MCI.
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Affiliation(s)
- Zihan Ding
- Neuropsychology Laboratory, Department of Psychology, The Chinese University of Hong Kong, Hong Kong, China
| | - Pui-Ying Leung
- Neuropsychology Laboratory, Department of Psychology, The Chinese University of Hong Kong, Hong Kong, China; Research Centre for Neuropsychological Well-Being, The Chinese University of Hong Kong, Hong Kong, China
| | - Tsz-Lok Lee
- Neuropsychology Laboratory, Department of Psychology, The Chinese University of Hong Kong, Hong Kong, China
| | - Agnes S Chan
- Neuropsychology Laboratory, Department of Psychology, The Chinese University of Hong Kong, Hong Kong, China; Research Centre for Neuropsychological Well-Being, The Chinese University of Hong Kong, Hong Kong, China.
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Kim Y, Oh W, You JSH. Immediate effects of multimodal cognitive therapy in mild cognitive impairment. NeuroRehabilitation 2023; 53:297-308. [PMID: 37927283 DOI: 10.3233/nre-230127] [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] [Indexed: 11/07/2023]
Abstract
BACKGROUND Current therapeutic evidence suggests limited efficacy of the cognitive and exercise training in mild cognitive impairment (MCI) on depression, anxiety, memory retention, comprehension, calculation, concentration, orientation, dual-task performance, and sleep disorders. Nevertheless, the immediate effects of multimodal cognitive therapy (MCT) have recently developed and its individual effects remains unknown in MCI. OBJECTIVE This study aimed to compare the immediate effects of MCT on cognitive and psychological measures between young healthy and older adults with MCI. METHODS Forty young healthy and older adults with MCI underwent immediate MCT (5 minutes each), including transcranial direct current stimulation (tDCS), light therapy, computerized cognitive therapy (CCT), robotic-assisted gait training (RAGT), core breathing exercises (CBE), and music therapy. Outcome measures included memory retention, comprehension, calculation, attention, orientation, dual-task performance, awareness, depression, anxiety, and sleep disorders. The Mann-Whitney U test and Friedman's test were used at P < 0.05. RESULTS Significant differences in depression, anxiety, memory retention, comprehension, calculation, attention, orientation, dual-task performance, and awareness were observed between the tDCS, CCT, and music therapy groups (P < 0.05). CONCLUSION MCT was beneficial for mitigating depression, anxiety, memory retention, comprehension, calculation, attention, orientation, dual-task performance, and awareness.
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Affiliation(s)
- Yunhwan Kim
- Department of Physical Therapy, Sports Movement Artificial Robotics Technology (SMART) Institute, Yonsei University, Wonju, Republic of Korea
- Department of PhysicalTherapy, Yonsei University, Wonju, Republic of Korea
| | - Wonjun Oh
- Department of Physical Therapy, Sports Movement Artificial Robotics Technology (SMART) Institute, Yonsei University, Wonju, Republic of Korea
- Department of PhysicalTherapy, Yonsei University, Wonju, Republic of Korea
| | - Joshua Sung H You
- Department of Physical Therapy, Sports Movement Artificial Robotics Technology (SMART) Institute, Yonsei University, Wonju, Republic of Korea
- Department of PhysicalTherapy, Yonsei University, Wonju, Republic of Korea
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Wang R, Zhang H, Li H, Ren H, Sun T, Xu L, Liu Y, Hou X. The influence of exercise interventions on cognitive functions in patients with amnestic mild cognitive impairment: A systematic review and meta-analysis. Front Public Health 2022; 10:1046841. [PMID: 36457329 PMCID: PMC9706097 DOI: 10.3389/fpubh.2022.1046841] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Accepted: 10/26/2022] [Indexed: 11/16/2022] Open
Abstract
Introduction Patients with amnestic mild cognitive impairment (aMCI) are more likely to develop dementia compared to patients with non-aMCI (naMCI). Among the mixed samples of aMCI and naMCI, exercise interventions are effective for patients with MCI to improve cognitive functions. However, the influence of exercise interventions on patients with aMCI is still unclear. Objective The objective of this systematic review and meta-analysis is to evaluate the influence of exercise interventions on cognitive functions in patients with aMCI. Methods Four literature databases (PubMed, Web of Science, EBSCO, and Cochrane Library) and three Chinese databases (China National Knowledge Infrastructure, Wanfang, and China Science and Technology Journal Database) were searched from their inception to August 31, 2022. Based on the preliminary search of seven databases and their cited references, a total of 2,290 records were identified. Finally, 10 studies with a total of 28 data points involving 575 participants with aMCI were included in this meta-analysis. If the measurements of outcomes were different among studies, the effect size was synthesized using the standardized mean difference (SMD) with a 95% confidence interval (CI). If the measurements were the same, the weight mean difference (WMD) with a 95% CI was used to integrate the effect size. Data synthesis The results showed that exercise interventions had no significant effects on improving several specific domains of cognitive functions including working memory (WMD = -0.05; 95% CI = -0.74 to 0.63; p = 0.88; I 2 = 78%) and attention (SMD = 0.20; 95% CI = -0.31 to 0.72; p = 0.44; I 2 = 60%). Additionally, exercise interventions had a significant effect on global cognitive function (SMD = 0.70; 95% CI = 0.50-0.90; p < 0.00001; I 2 = 29%) and some specific cognitive domains including immediate recall (SMD = 0.55; 95% CI = 0.28-0.81; p < 0.0001; I 2 = 0%), delayed recall (SMD = 0.66; 95% CI = 0.45-0.87; p < 0.00001; I 2 = 37%), and executive function (SMD = 0.38; 95% CI = 0.16-0.60; p= 0.0006; I 2 = 4%). Furthermore, subgroup analysis based on the intervention forms indicated that multi-component interventions (SMD = 0.44; 95% CI = 0.11-0.77; p = 0.009; I 2 = 0%) appeared to be less effective than the single-component intervention (SMD = 0.85; 95% CI = 0.60-1.10; p < 0.00001; I 2 = 10%) in terms of boosting global cognitive function. Conclusion This meta-analysis suggests that the exercise can help patients with aMCI improve global cognitive function. And exercise interventions have positive influence on enhancing several specific cognitive domains such as immediate recall, delayed recall, and executive function.Systematic review registration: http://www.crd.york.ac.uk/PROSPERO, identifier: CRD42022354235.
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Affiliation(s)
- Rong Wang
- Department of Physical Fitness and Health, School of Sport Science, Beijing Sport University, Beijing, China
| | - Hanyue Zhang
- Key Laboratory of Sports and Physical Health Ministry of Education, Beijing Sport University, Beijing, China.,School of Physical Education, Northeast Normal University, Changchun, China
| | - Hongjuan Li
- Department of Physical Fitness and Health, School of Sport Science, Beijing Sport University, Beijing, China
| | - Hong Ren
- Department of Physical Fitness and Health, School of Sport Science, Beijing Sport University, Beijing, China
| | - Tingting Sun
- Key Laboratory of Sports and Physical Health Ministry of Education, Beijing Sport University, Beijing, China
| | - Liya Xu
- Department of Physical Fitness and Health, School of Sport Science, Beijing Sport University, Beijing, China.,Key Laboratory of Sports and Physical Health Ministry of Education, Beijing Sport University, Beijing, China
| | - Yang Liu
- Department of Physical Education, Shandong Jianzhu University, Jinan, China
| | - Xiao Hou
- Department of Physical Fitness and Health, School of Sport Science, Beijing Sport University, Beijing, China.,Key Laboratory of Sports and Physical Health Ministry of Education, Beijing Sport University, Beijing, China
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KHANTHONG PHAKSACHIPHON, DECHAKHAMPHU ANANYA, SRIYAKUL KUSUMA, KRAJARNG AUNGKANA, KAMALASHIRAN CHUNTIDA, TUNGSUKRUTHAI PARUNKUL. Effects of Oxidative Damage during Ruesi Dadton Exercise in Mild Cognitive Impairment: Randomized Controlled Trial. INTERNATIONAL JOURNAL OF EXERCISE SCIENCE 2022; 15:1528-1537. [PMID: 36618334 PMCID: PMC9797009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
This study aimed to investigate the effect of biomarkers of oxidative stress (OS) in 8-isoprostane (8-iso) and 8-hydroxy-2'-deoxyguanosine (8-OH-dG) on mild cognitive impairment (MCI) during a 12-week Ruesi Dadton (RD) exercise. A total of 274 enrolled participants were classified into blocks based on age and formal educational years, and randomly assigned into two groups: RD and control (CON). The participants' cognitive functions were tested using Mini-Mental State Examination and Montreal Cognitive Assessment (MoCA) scores to screen for MCI. Urine samples of approximately 30 mL were collected from both groups pre- and post-intervention. All participants signed consent forms before participating in the program. Participants in the RD group were instructed to perform 15 postures of RD exercise in 60 min, three times a week for 12 weeks. A 2 × 2 (group × time) repeated multivariate analysis, with MoCA score, 8-iso, and 8-OH-dG as covariates, was performed to analyze the between-subject differences across group [V = 0.143, F(2,60) = 5.020, p = 0.010, d = 0.209] and within-subject differences across interaction between group [V = 0.143, F(2,60) = 5.020, p = 0.010, d = 0.408]. There were significant differences from univariate data regarding both 8-iso (F1,61 = 10.081, P = 0.002, d = 0.406) and 8-OH-dG (F(1,61) = 5.965, P = 0.018, d = 0.312) levels. Moreover, results from both biomarkers in the RD group revealed significant improvements in 8-iso (p < 0.001) and 8-OH-dG (p = 0.003), whereas there were no improvements in the CON group. In conclusion, RD decreased biomarkers of OS during 12 weeks of RD exercise in MCI. These results indicate that in MCI, RD could improve lipid peroxidation and DNA oxidation by 8-iso and 8-OH-dG, respectively.
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Affiliation(s)
| | - ANANYA DECHAKHAMPHU
- Faculty of Thai Traditional and Alternative Medicine, Ubon Ratchathani Rajabhat University, Ubon Ratchathani, THAILAND
| | - KUSUMA SRIYAKUL
- Chulabhorn International College of Medicine, Thammasat University, Pathum Thani, THAILAND
| | - AUNGKANA KRAJARNG
- Chulabhorn International College of Medicine, Thammasat University, Pathum Thani, THAILAND
| | - CHUNTIDA KAMALASHIRAN
- Chulabhorn International College of Medicine, Thammasat University, Pathum Thani, THAILAND
| | - PARUNKUL TUNGSUKRUTHAI
- Chulabhorn International College of Medicine, Thammasat University, Pathum Thani, THAILAND
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Optimal dose and type of exercise to improve cognitive function in older adults: A systematic review and bayesian model-based network meta-analysis of RCTs. Ageing Res Rev 2022; 76:101591. [PMID: 35182742 DOI: 10.1016/j.arr.2022.101591] [Citation(s) in RCA: 70] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 02/09/2022] [Accepted: 02/15/2022] [Indexed: 12/22/2022]
Abstract
OBJECTIVE To examine the dose-response relationship between overall and specific types of exercise with cognitive function in older adults. DESIGN Systematic Review and Bayesian Model-Based Network Meta-Analysis. DATA SOURCES Systematic search of MEDLINE, Web of Science, Scopus, PsycINFO and SPORTDiscus. ELIGIBILITY CRITERIA FOR SELECTING STUDIES Randomized controlled trials of exercise interventions in participants aged 50 years or over, and that reported on at least one global cognition outcome. RESULTS The search returned 1998 records, of which 44 studies (4793 participants; 102 different effect sizes) were included in this review with meta-analysis. There was a non-linear, dose-response association between overall exercise and cognition. We found no minimal threshold for the beneficial effect of exercise on cognition. The estimated minimal exercise dose associated with clinically relevant changes in cognition was 724 METs-min per week, and doses beyond 1200 METs-min per week provided less clear benefits. We also found that the dose-response association was exercise type dependent, and our results show that clinically important effects may occur at lower doses for many types of exercise. Our findings also highlighted the superior effects of resistance exercises over other modalities. CONCLUSIONS If provided with the most potent modalities, older adults can get clinical meaningful benefits with lower doses than the WHO guidelines. Findings support the WHO recommendations to emphasise resistance training as a critical component of interventions for older adults.
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