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Zheng H, Wang W, Chen C, Feng Y. Association between walking pace and heart failure: A Mendelian randomization analysis. Nutr Metab Cardiovasc Dis 2024:S0939-4753(24)00276-X. [PMID: 39174430 DOI: 10.1016/j.numecd.2024.07.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 06/10/2024] [Accepted: 07/15/2024] [Indexed: 08/24/2024]
Abstract
BACKGROUND AND AIM The relationship between walking pace and heart failure (HF) has been recognized, yet the directionality and underlying mediating risk factors remain unclear. METHODS AND RESULTS This study utilized bidirectional two-sample Mendelian randomization (MR) with genome-wide association studies (GWAS) summary statistics to assess the causal relationships between walking pace and HF. Additionally, we employed a two-step Multivariable Mendelian Randomization (MVMR) to explore potential mediating factors. We further validated our findings by conducting two-sample MR with another available GWAS summary data on heart failure. Results indicated that genetically predicted increases in walking pace were associated with a reduced risk of HF (odds ratio (OR), 0.589, 95% confidence interval (CI): 0.417-0.832). Among the considered mediators, the waist-to-hip ratio (WHR) accounts for the largest proportion of the effect (45.7%, 95% CI: 13.2%, 78.2%). This is followed by type 2 diabetes at 24.4% (95% CI: 6.7%, 42.0%) and triglycerides at 18.6% (95% CI: 4.5%, 32.7%). Furthermore, our findings reveal that genetically predicted HF risk (OR, 0.975, 95% CI: 0.960-0.991) is associated with a slower walking pace. Validated findings were consistent with the main results. CONCLUSIONS In conclusion, MR analysis demonstrates that a slow walking pace is a reliable indicator of an elevated risk of HF, and the causal relationship is bidirectional. Interventions focusing on waist-to-hip ratio, type 2 diabetes, and triglycerides may provide valuable strategies for HF prevention in individuals with a slow walking pace.
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Affiliation(s)
- He Zheng
- School of Medicine, South China University of Technology, Guangzhou, China; Department of Cardiology, Hypertension Research Laboratory, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China
| | - Wenbin Wang
- Department of Cardiology, Hypertension Research Laboratory, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China
| | - Chaolei Chen
- Department of Cardiology, Hypertension Research Laboratory, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China
| | - Yingqing Feng
- School of Medicine, South China University of Technology, Guangzhou, China; Department of Cardiology, Hypertension Research Laboratory, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China.
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Phyo AZZ, Espinoza SE, Murray AM, Fransquet PD, Wrigglesworth J, Woods RL, Ryan J. Epigenetic age acceleration and the risk of frailty, and persistent activities of daily living (ADL) disability. Age Ageing 2024; 53:afae127. [PMID: 38941117 PMCID: PMC11212488 DOI: 10.1093/ageing/afae127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Indexed: 06/29/2024] Open
Abstract
BACKGROUND Epigenetic ageing is among the most promising ageing biomarkers and may be a useful marker of physical function decline, beyond chronological age. This study investigated whether epigenetic age acceleration (AA) is associated with the change in frailty scores over 7 years and the 7-year risk of incident frailty and persistent Activities of Daily Living (ADL) disability among 560 Australians (50.7% females) aged ≥70 years. METHODS Seven AA indices, including GrimAge, GrimAge2, FitAge and DunedinPACE, were estimated from baseline peripheral-blood DNA-methylation. Frailty was assessed using both the 67-item deficit-accumulation frailty index (FI) and Fried phenotype (Fried). Persistent ADL disability was defined as loss of ability to perform one or more basic ADLs for at least 6 months. Linear mixed models and Cox proportional-hazard regression models were used as appropriate. RESULTS Accelerated GrimAge, GrimAge2, FitAge and DunedinPACE at baseline were associated with increasing FI scores per year (adjusted-Beta ranged from 0.0015 to 0.0021, P < 0.05), and accelerated GrimAge and GrimAge2 were associated with an increased risk of incident FI-defined frailty (adjusted-HRs 1.43 and 1.39, respectively, P < 0.05). The association between DunedinPACE and the change in FI scores was stronger in females (adjusted-Beta 0.0029, P 0.001 than in males (adjusted-Beta 0.0002, P 0.81). DunedinPACE, but not the other AA measures, was also associated with worsening Fried scores (adjusted-Beta 0.0175, P 0.04). No associations were observed with persistent ADL disability. CONCLUSION Epigenetic AA in later life is associated with increasing frailty scores per year and the risk of incident FI-defined frailty.
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Affiliation(s)
- Aung Zaw Zaw Phyo
- Biological Neuropsychiatry & Dementia Unit, School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC 3004, Australia
| | - Sara E Espinoza
- Center for Translational Geroscience, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Anne M Murray
- Berman Center for Outcomes and Clinical Research, Hennepin HealthCare Research Institute, Minneapolis, MN, USA
- Division of Geriatrics, Department of Medicine, Hennepin HealthCare and University of Minnesota, Minneapolis, MN, USA
| | - Peter D Fransquet
- Biological Neuropsychiatry & Dementia Unit, School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC 3004, Australia
- School of Psychology, Deakin University, Burwood, Melbourne, VIC 3125, Australia
| | - Jo Wrigglesworth
- Biological Neuropsychiatry & Dementia Unit, School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC 3004, Australia
| | - Robyn L Woods
- ASPREE Research Unit, School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC 3004, Australia
| | - Joanne Ryan
- Biological Neuropsychiatry & Dementia Unit, School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC 3004, Australia
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Zhang C, Zhang L, Su Y, Xiang L, Zhang Q, Zhang C, Huan Q. Occupational daily walking steps have inverse relationship with papillary thyroid cancer risk and progression: a retrospective analysis. Int J Occup Med Environ Health 2024; 37:58-71. [PMID: 38406822 PMCID: PMC10959276 DOI: 10.13075/ijomeh.1896.02249] [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: 06/13/2023] [Accepted: 12/07/2023] [Indexed: 02/27/2024] Open
Abstract
OBJECTIVES Investigate the impact of daily occupational walking steps on the progression of papillary thyroid cancer (PTC), a topic hitherto underresearched. MATERIAL AND METHODS The authors analyzed the data from 800 individuals with PTC across stages 0-IV. Participants were evenly divided into 2 distinct occupational groups: office workers and construction workers (N = 400 each). Data included comprehensive records of daily walking steps, demographic information, and clinical indicators. Pearson's correlation coefficients or analysis of variance (ANOVA) were employed to assess the linkage between daily walking steps and PTC risk and stage, as well as associated biochemical markers. RESULTS The analysis revealed a significant inverse relationship between daily walking steps and PTC risk. A higher frequency of daily steps was associated with reduced chances of PTC onset and a lower diagnostic stage of the disease. This protective effect of physical activity was particularly pronounced in the construc- tion worker cohort. Subsequent evaluations showed that construction workers who consistently logged higher daily steps had markedly lower levels of thyroid-stimulating hormone (TSH), free triiodothyronine, free thyroxine, thyroid peroxidase antibody, thyroglobulin antibody, and thy- roglobulin (Tg). Notably, daily walking steps exhibited a strong inverse correlation with body mass index (BMI), age, PTC volumes, and levels of TSH and Tg across both occupational groups (ρ < -0.37). The increase in daily steps was associated with the reduction in PTC stages (p < 0.001). CONCLUSIONS The research underscores the potential benefits of increased daily walking steps, suggesting that they may play a protective role in reducing PTC risk and moderating its progression. Int J Occup Med Environ Health. 2024;37(1):58-71.
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Affiliation(s)
- Chunling Zhang
- Shandong University, Shandong Provincial Third Hospital, Nutrition Department, Cheeloo College of Medicine, Jinan, China
| | - Li Zhang
- Shandong University, Intelligent Medical Department, Shandong Provincial Third Hospital, Cheeloo College of Medicine, Jinan, China
| | - Yan Su
- Jinan Second People's Hospital, Department of TCM Ophthalmology, Jinan, China
| | - Lei Xiang
- Shandong University, Department of Pathology, School of Basic Medical Sciences, Jinan, China
| | - Qin Zhang
- Shandong University, Health Care Department, Shandong Provincial Third Hospital, Cheeloo College of Medicine, Jinan, China
| | - Chunhong Zhang
- Shandong University, Health Care Department, Shandong Provincial Third Hospital, Cheeloo College of Medicine, Jinan, China
| | - Qin Huan
- Shandong University, Health Care Department, Shandong Provincial Third Hospital, Cheeloo College of Medicine, Jinan, China
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Zhang C, Cui J, Li S, Shen J, Luo X, Yao Y, Shi H. Combined effects of vitamin D deficiency and systemic inflammation on all-cause mortality and cause-specific mortality in older adults. BMC Geriatr 2024; 24:122. [PMID: 38302956 PMCID: PMC10836043 DOI: 10.1186/s12877-024-04706-x] [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: 07/31/2023] [Accepted: 01/12/2024] [Indexed: 02/03/2024] Open
Abstract
BACKGROUND Vitamin D deficiency and systemic inflammation share common pathological mechanisms in muscle loss, cardio-pulmonary function decline, and abnormal metabolism, which are linked to chronic conditions, senescence, and early mortality. However, their combined effect on mortality in older adults has not been well established. This study longitudinal aimed to explore the independent and combined associations of serum 25-hydroxyvitamin D [25(OH)D] and high sensitivity C-reactive protein (hs-CRP) with mortality risk in Chinese community-based older people. METHODS 3072 older adults (86.07 ± 11.87 years, 54.52% female) from the Chinese Longitudinal Healthy Longevity Survey (2012-2018) were enrolled. Baseline 25(OH)D and hs-CRP levels were collected, and survival information was recorded in the 2014 and 2018 follow-up waves. Cox proportional hazard regressions were conducted to explore the associations between 25(OH)D, hs-CRP, and mortality. Demographic characteristics, health behaviors, and chronic disease biomarkers were adjusted. RESULTS During 10,622.3 person-years of follow-up (median: 3.51 years), 1321 older adults died, including 448 deaths due to cardiovascular disease (CVD). Increased mortality risk was associated with lower 25(OH)D and higher hs-CRP quantiles, even after adjusting for each other and multiple covariates (all P-trend < 0.05). In combined analyses, the highest all-cause mortality (HR: 2.18, 95% CI: 1.73 ~ 2.56), CVD mortality (HR: 2.30, 95% CI: 1.64 ~ 3.21), and non-CVD mortality (HR: 2.19, 95% CI: 1.79 ~ 2.49) were obtained in participants with both 25(OH)D deficiency (< 50 nmol/L) and high hs-CRP (≥ 3.0 mg/L), respectively. We observed significant additive interactions of 25(OH)D and hs-CRP on all-cause mortality and non-CVD mortality (RERIS>0). CONCLUSIONS Low 25(OH)D and high hs-CRP, both independently and jointly, increase mortality risk in Chinese community-dwelling older adults. Thus, priority should be given to early detection and appropriate intervention in older individuals with combined vitamin D deficiency and systemic inflammation. Molecular mechanisms of related adverse health effect are worthy of further investigation.
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Affiliation(s)
- Chi Zhang
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Beijing Hospital, Chinese Academy of Medical Sciences, National Center of Gerontology of National Health Commission, 100730, Beijing, China
| | - Ju Cui
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Beijing Hospital, Chinese Academy of Medical Sciences, National Center of Gerontology of National Health Commission, 100730, Beijing, China
| | - Shaojie Li
- China Center for Health Development Studies, National School of Development, Peking University, Haidian District, 100191, Beijing, China
| | - Ji Shen
- Department of Geriatrics, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Dongcheng District, 100730, Beijing, China
| | - Xuanmei Luo
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Beijing Hospital, Chinese Academy of Medical Sciences, National Center of Gerontology of National Health Commission, 100730, Beijing, China
| | - Yao Yao
- China Center for Health Development Studies, National School of Development, Peking University, Haidian District, 100191, Beijing, China.
| | - Hong Shi
- Department of Geriatrics, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Dongcheng District, 100730, Beijing, China.
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Brognara L, Luna OC, Traina F, Cauli O. Inflammatory Biomarkers and Gait Impairment in Older Adults: A Systematic Review. Int J Mol Sci 2024; 25:1368. [PMID: 38338653 PMCID: PMC10855721 DOI: 10.3390/ijms25031368] [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] [Received: 12/21/2023] [Revised: 01/15/2024] [Accepted: 01/21/2024] [Indexed: 02/12/2024] Open
Abstract
Peripheral inflammation and gait speed alterations are common in several neurological disorders and in the aging process, but the association between the two is not well established. The aim of this systematic literary review is to determine whether proinflammatory markers are a positive predictor for gait impairments and their complications, such as falls in older adults, and may represent a risk factor for slow gait speed and its complications. The systematic review was performed in line with the Preferred Report Items for Systematic Review and Meta-Analyses (PRISMA). A protocol for literature searches was structured a priori and designed according to the International Perspective Register of Systemic Review (PROSPERO: CRD42023451108). Peer-reviewed original articles were identified by searching seven electronic databases: Excerpta Medica Database (EMBASE), SciVerse (ScienceDirect), Scopus, PubMed, Medline, Web of Science, and the Cochrane Library. The search strategy was formulated based on a combination of controlled descriptors and/or keywords related to the topic and a manual search was conducted of the reference lists from the initially selected studies to identify other eligible studies. The studies were thoroughly screened using the following inclusion criteria: older adults, spatiotemporal gait characteristics, and proinflammatory markers. A meta-analysis was not performed due to the heterogeneity of the studies, and the results were narratively synthesized. Due to the clinical and methodological heterogeneity, the studies were combined in a narrative synthesis, grouped by the type of biomarkers evaluated. A standardized data extraction form was used to collect the following methodological outcome variables from each of the included studies: author, year, population, age, sample size, spatiotemporal gait parameters such as gait velocity, and proinflammatory markers such as TNF-α, high sensitivity C-reactive (CRP) proteins, and IL-6. We included 21 out of 51 studies in our review, which examined the association between inflammatory biomarkers and gait impairment. This review highlights the role of TNF-α, CRP, and IL-6 in gait impairment. Biomarkers play an important role in the decision-making process, and IL-6 can be an effective biomarker in establishing the diagnosis of slow gait speed. Further longitudinal research is needed to establish the use of molecular biomarkers in monitoring gait impairment.
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Affiliation(s)
- Lorenzo Brognara
- Department of Biomedical and Neuromotor Sciences (DIBINEM), Alma Mater Studiorum University of Bologna, 40123 Bologna, Italy;
| | - Oscar Caballero Luna
- Department of Nursing, University of Valencia, 46010 Valencia, Spain; (O.C.L.); (O.C.)
| | - Francesco Traina
- Department of Biomedical and Neuromotor Sciences (DIBINEM), Alma Mater Studiorum University of Bologna, 40123 Bologna, Italy;
| | - Omar Cauli
- Department of Nursing, University of Valencia, 46010 Valencia, Spain; (O.C.L.); (O.C.)
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Newman AB, Visser M, Kritchevsky SB, Simonsick E, Cawthon PM, Harris TB. The Health, Aging, and Body Composition (Health ABC) Study-Ground-Breaking Science for 25 Years and Counting. J Gerontol A Biol Sci Med Sci 2023; 78:2024-2034. [PMID: 37431156 PMCID: PMC10613019 DOI: 10.1093/gerona/glad167] [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: 04/12/2023] [Indexed: 07/12/2023] Open
Abstract
BACKGROUND The Health, Aging, and Body Composition Study is a longitudinal cohort study that started just over 25 years ago. This ground-breaking study tested specific hypotheses about the importance of weight, body composition, and weight-related health conditions for incident functional limitation in older adults. METHODS Narrative review with analysis of ancillary studies, career awards, publications, and citations. RESULTS Key findings of the study demonstrated the importance of body composition as a whole, both fat and lean mass, in the disablement pathway. The quality of the muscle in terms of its strength and its composition was found to be a critical feature in defining sarcopenia. Dietary patterns and especially protein intake, social factors, and cognition were found to be critical elements for functional limitation and disability. The study is highly cited and its assessments have been widely adopted in both observational studies and clinical trials. Its impact continues as a platform for collaboration and career development. CONCLUSIONS The Health ABC provides a knowledge base for the prevention of disability and promotion of mobility in older adults.
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Affiliation(s)
- Anne B Newman
- Department of Epidemiology, School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Marjolein Visser
- Department of Health Sciences, Faculty of Science, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Stephen B Kritchevsky
- Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Eleanor Simonsick
- National Institute on Aging, Translational Gerontology Branch Biomedical Research Center, Baltimore, Maryland, USA
| | - Peggy M Cawthon
- Research Institute, California Pacific Medical Center, University of California, San Francisco, California, USA
| | - Tamara B Harris
- Laboratory of Epidemiology and Population Sciences, Intramural Research Program NIA, NIH, Bethesda, Maryland, USA
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Bogataj Š, Pajek J, Slonjšak B, Peršič V. Prevalence of Impaired Physical Mobility in Dialysis Patients: A Single-Centre Cross-Sectional Study. J Clin Med 2023; 12:6634. [PMID: 37892773 PMCID: PMC10607894 DOI: 10.3390/jcm12206634] [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: 09/04/2023] [Revised: 10/16/2023] [Accepted: 10/18/2023] [Indexed: 10/29/2023] Open
Abstract
Impaired physical mobility in hemodialysis (HD) patients is considered an important modifiable risk factor of increased all-cause morbidity and mortality. To our knowledge, no study to date has determined the overall burden of limited physical mobility in prevalent HD patients. The aim of this research is to investigate impaired physical mobility and its clinical correlates. We conducted a cross-sectional observational study in all patients of the Centre for Acute and Complicated Dialysis at the University Medical Centre of Ljubljana, where the most complex patients receive HD on average three times per week. The data were collected through interviews based on a prepared questionnaire and medical history review. A total of 205 patients were included in this study (63.9 ± 15.4 years). Sixty percent (122/205) of the patients had little or no physical mobility impairment, and others were categorized with a minor or severe mobility limitation. A minor mobility impairment was found in 21% (43/205) of patients: 10 patients (5%) used a mobility aid in the form of a crutch, 9 patients (4%) were dependent on two crutches or a walker, and 24 patients (12%) were temporarily dependent on the assistance of a third person. Severe mobility limitations were observed in 22% (40/205) of patients, ranging from being confined to bed (19/205, 9%), confined to bed but able to perform some movements (19/205, 9%), and ambulatory but dependent on the assistance of a third person for locomotion (2/205, 1%). The most common causes of the limitation of mobility were neurological (19/40, 47.5%), cardiovascular (9/40, 22.5%), musculoskeletal (8/40, 20%), and other causes (4/40, 10%). A significant, moderate positive correlation was observed between mobility problems and the age of the participants (r = 0.36, p < 0.001), while a significant, small positive correlation was obtained between the mobility problems and C-reactive protein (r = 0.15, p = 0.044). Moreover, mobility problems had a small but significant negative correlation with albumin levels (r = -0.15, p = 0.042). When controlling for age, results yield no significant correlations, and, in regression analysis, only the age (p < 0.001) and male gender (p = 0.007) of the participants were independent predictors of mobility impairment. We conclude that impaired mobility has a high overall prevalence among chronic HD patients. Strategies to prevent and improve mobility limitations are strongly needed.
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Affiliation(s)
- Špela Bogataj
- Department of Nephrology, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia; (Š.B.); (J.P.); (B.S.)
| | - Jernej Pajek
- Department of Nephrology, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia; (Š.B.); (J.P.); (B.S.)
- Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Blaž Slonjšak
- Department of Nephrology, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia; (Š.B.); (J.P.); (B.S.)
| | - Vanja Peršič
- Department of Nephrology, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia; (Š.B.); (J.P.); (B.S.)
- Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
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Panza F, Custodero C, Solfrizzi V. Physical activity, interleukin-6 change, and gait speed. Aging (Albany NY) 2023; 15:204797. [PMID: 37286191 DOI: 10.18632/aging.204797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 03/29/2023] [Indexed: 06/09/2023]
Affiliation(s)
- Francesco Panza
- Dipartimento Interdisciplinare di Medicina, University of Bari Aldo Moro, Italy
- Unit of Research Methodology and Data Sciences for Population Health, National Institute of Gastroenterology "Saverio de Bellis", Research Hospital, Bari, Italy
| | - Carlo Custodero
- Dipartimento Interdisciplinare di Medicina, University of Bari Aldo Moro, Italy
| | - Vincenzo Solfrizzi
- Dipartimento Interdisciplinare di Medicina, University of Bari Aldo Moro, Italy
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Hsieh KL, Neiberg RH, Beavers KM, Rejeski WJ, Messier SP, Nicklas BJ, Beavers DP. Effect of Baseline BMI and IL-6 Subgroup Membership on Gait Speed Response to Caloric Restriction in Older Adults with Obesity. J Nutr Health Aging 2023; 27:285-290. [PMID: 37170436 PMCID: PMC10804887 DOI: 10.1007/s12603-023-1909-1] [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: 05/13/2023]
Abstract
BACKGROUND Prior work shows caloric restriction (CR) can improve physical function among older adults living with obesity. However, the contribution of starting weight and inflammatory burden to CR-associated functional improvements is unclear. The primary purpose of this study was to determine if CR-associated gait speed change varied by body mass index (BMI) and plasma interleukin 6 (IL-6) at baseline and secondarily to determine the contribution of BMI change and IL-6 change to gait speed change. DESIGN, SETTING, PARTICIPANTS Data from eight randomized control trials were pooled, with 1184 participants randomized to CR (n=661) and No CR (n=523) conditions. All studies assessed outcomes before and five or six months after assignment to CR or No CR. MEASUREMENTS BMI and IL-6 were assessed at baseline using standard procedures. Gait speed was assessed with the six-minute walk test or 400m walk test. Baseline BMI/IL-6 subgroups were constructed using BMI≥35 kg/m2 and IL-6>2.5 pg/mL thresholds. Participants with BMI≥35 kg/m2 were grouped into class 2+ obesity and BMI<35 kg/m2 into class 1- obesity; IL-6>2.5 pg/mL were grouped into high IL-6, and <2.5 pg/mL as low IL-6 (class 2+ obesity/high IL-6: n=288, class 2+ obesity/low IL-6: n=143, class 1- obesity/high IL-6: n=354, or class 1- obesity/low IL-6: n=399). All analyses used adjusted general linear models. RESULTS Gait speed significantly improved with CR versus non-CR [mean difference: +0.02 m/s (95% CI: 0.01, 0.04)]. CR assignment significantly interacted with BMI/IL-6 subgroup membership (p=0.03). Greatest gait speed improvement was observed in the class 2+ obesity/high IL-6 subgroup [+0.07 m/s (0.03, 0.10)]. No other subgroups observed significant gait speed change. For each unit decrease in BMI, gait speed change increased by +0.02 m/s (p<0.001; R2=0.26), while log IL-6 change did not significantly affect gait speed change [+0.01 m/s (p=0.20)]. CONCLUSIONS Only the class 2+ obesity/high IL-6 subgroup significantly improved gait speed in response to CR. Improvement in gait speed in this subgroup was driven by a larger decrease in BMI, but not IL-6, in response to CR. Individuals with class 2+ obesity and high IL-6 are most likely to show improved gait speed in response to CR, with improvement predominantly driven by reductions in BMI.
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Affiliation(s)
- K L Hsieh
- Katherine L. Hsieh, Department of Physical Therapy, Byrdine F. Lewis College of Nursing and Health Professions, Georgia State University, USA, Phone: 336-758-3106,
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Tizazu AM, Mengist HM, Demeke G. Aging, inflammaging and immunosenescence as risk factors of severe COVID-19. IMMUNITY & AGEING 2022; 19:53. [PMID: 36369012 PMCID: PMC9650172 DOI: 10.1186/s12979-022-00309-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 10/13/2022] [Indexed: 11/13/2022]
Abstract
Coronavirus disease 2019 (COVID-19) is a respiratory infectious disease caused by the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). COVID-19 is characterized by having a heterogeneous disease course, ranging from asymptomatic and mild symptoms to more severe and critical cases. In most cases the severity of COVID-19 is related to host factors, especially deregulation of the immune response in patients. Even if COVID-19 indiscriminately affects individuals of different age group, ethnicity and economic status; most severe cases and disproportional mortality occur in elderly individuals. This point out that aging is one risk factor for unfavourable clinical outcomes among COVID-19 patients. The biology of aging is a complex process; Aging can alter the structure and function of cells, tissues, and organs resulting in impaired response to stress. Alongside with other systems, the immune system is also affected with the aging process. Immunosenescence is an age associated change in the immune system that affects the overall response to immunological challenges in the elderly. Similarly, apart from the normal inflammatory process, aging is associated with a low grade, sterile, chronic inflammation which is termed as inflammaging. We hypothesized that inflammaging and immunosenescence could play an important role in SARS-CoV-2 pathogenesis and poor recovery from COVID-19 in elderly individuals. This review summarizes the changes in the immune system with age and how these changes play part in the pathogenesis of SARS-CoV-2 and clinical outcome of COVID-19 which could add to the understanding of age associated targeted immunotherapy in the elderly.
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Liu S, Zhang X, Zhou Q. Efficacy of Periodontal Endodontics Combined with Diode Laser (DL) Therapy on Severe Periodontitis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2022; 2022:5689900. [PMID: 36285164 PMCID: PMC9588349 DOI: 10.1155/2022/5689900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/17/2022] [Accepted: 09/20/2022] [Indexed: 11/24/2022]
Abstract
Background For a long time, the impact of severe periodontitis on the pulp has been the focus of periodontal clinical research. Whether the teeth with severe periodontitis should be treated with pulp has also become the focus of clinical research. Aims To explore the effect of periodontal endodontic therapy combined with DL therapy on severe periodontitis. Materials and Methods The clinical data of 100 patients with severe periodontitis from January 2020 to July 2022 were selected and included in the retrospective study. According to the different retrieval treatment methods, they were divided into the control group and the treatment group with 50 cases in each group. The control group received periodontal endodontic treatment, and the treatment group received DL treatment on the basis of the control group. The differences in periodontal probing depth (PD), toothache degree, bleeding index (BI), inflammatory factors, plaque index (PLI), and attachment loss (AL) between the two groups were compared and analyzed. Results After 3 months of treatment, the bleeding index (BI), plaque index (PLI), and periodontal probing depth (PD) of the treatment group were significantly lower than those of the control group, and the difference was statistically significant (P < 0.05). The attachment loss (AL) of the group was not significantly different from that of the control group (P > 0.05). Before treatment, there was no significant difference in the levels of inflammatory factors between the two groups (P > 0.05). After 3 months of treatment, the levels of IL-6 and CRP in the treatment group were significantly lower than those in the control group, and the difference was statistically significant (P < 0.05). Before treatment, there was no significant difference in the levels of inflammatory factors between the two groups (P > 0.05). After 3 days of treatment, the VAS score of the treatment group was significantly lower than that of the control group, and the difference was statistically significant (P < 0.05).After treatment, there were no complications during follow-up in the two groups. Conclusion The application of DL treatment has a significant effect, which can promote the healing of periodontal tissue, reduce the depth of periodontal pockets, and reduce the degree of toothache, thereby providing a reference for clinical treatment.
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Affiliation(s)
- Sijia Liu
- Wuhan Hospital of Traditional Chinese Medicine, Department of Stomatology, No. 303 Sixin Avenue, Hanyang, Wuhan 430000, Hubei, China
| | - Xu Zhang
- Wuchang Hospital Affiliated to Wuhan University of Science and Technology (Stomatology), No. 116 Yangyuan Street, Wuchang District, Wuhan 430063, Hubei, China
| | - Quanying Zhou
- Wuhan 9th Hospital, Department Stomatology, No. 20, Jilin Street, Qingshan District, Wuhan 430080, Hubei, China
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Liu J, Yin W, Zhou C, Zhu Y, Gu M, Liu B, Ren H, Yang X. Association between levels of high-sensitivity C-reactive protein in plasma and freezing of gait in Parkinson's disease. Aging Clin Exp Res 2022; 34:1865-1872. [PMID: 35471697 DOI: 10.1007/s40520-022-02134-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 03/31/2022] [Indexed: 11/28/2022]
Abstract
This study explored the potential relationship between levels of high-sensitivity C-reactive protein (hs-CRP) in plasma and freezing of gait (FOG) in Parkinson's disease (PD) in China. A total of 72 healthy subjects, 62 PD patients with FOG, and 83 PD patients without FOG from our center were enrolled in this prospective study. Patients with FOG showed significantly higher hs-CRP levels than controls, but patients without FOG did not. Binary logistic regression analysis identified levels of hs-CRP in plasma to be an independent risk factor for FOG among the patients in our cohort (OR 6.371, 95% CI 2.589-15.678, p < 0.001). In fact, a cut-off level of 0.935 mg/L distinguished patients with or without FOG [area under the ROC curve (AUC) = 0.908, sensitivity 87.1%, specificity 89.2%]. Our study suggests that high levels of hs-CRP in plasma are associated with the occurrence of FOG in PD. The pooled data combined with a previous study carried out in Spain also indicate a positive association between plasma hs-CRP levels and FOG in PD. However, more research is still needed to verify the plasma hs-CRP as a potential biomarker of FOG.
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Affiliation(s)
- Jie Liu
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, People's Republic of China
- Department of Neurology, Zhenkang County People's Hospital, Lincang, 677704, Yunnan, People's Republic of China
| | - Weifang Yin
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, People's Republic of China
| | - Chuanbin Zhou
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, People's Republic of China
| | - Yangfan Zhu
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, People's Republic of China
- Yunnan Province Clinical Research Center for Gerontology, Kunming, 650032, Yunnan, People's Republic of China
| | - Meijuan Gu
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, People's Republic of China
- Yunnan Province Clinical Research Center for Gerontology, Kunming, 650032, Yunnan, People's Republic of China
| | - Bin Liu
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, People's Republic of China
- Yunnan Province Clinical Research Center for Gerontology, Kunming, 650032, Yunnan, People's Republic of China
| | - Hui Ren
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, People's Republic of China
- Yunnan Province Clinical Research Center for Gerontology, Kunming, 650032, Yunnan, People's Republic of China
| | - Xinglong Yang
- Department of Geriatric Neurology, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, People's Republic of China.
- Yunnan Province Clinical Research Center for Gerontology, Kunming, 650032, Yunnan, People's Republic of China.
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Frontera WR. Rehabilitation of Older Adults with Sarcopenia: From Cell to Functioning. Prog Rehabil Med 2022; 7:20220044. [PMID: 36118146 PMCID: PMC9437741 DOI: 10.2490/prm.20220044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 08/16/2022] [Indexed: 11/11/2022] Open
Abstract
The 20th and 21st centuries have witnessed a substantial increase in human life
expectancy and in the number of men and women aged 60 years and older. Aging is associated
with a large number of health conditions, including sarcopenia, which has been the subject
of important research in the past 30 years. Sarcopenia is characterized by an age-related
loss of muscle mass, weakness, and impaired physical performance. The condition can be
diagnosed with a combination of measurements of these three elements. The precise
definition of sarcopenia and the selection of optimal assessment methods have changed
significantly in the past 20 years; nonetheless, the prevalence of sarcopenia in the
general older population is in the range of 5–15%. Molecular and cellular events at the
muscle cell level impact the size and quality of muscles (force adjusted for size). The
active and passive mechanical properties of single muscle fibers are altered by changes in
the structure and function of various cellular elements. Systemic factors such as
inflammation, loss of hormonal influence, and deleterious lifestyle choices also
contribute to sarcopenia. The consequences of sarcopenia include many adverse effects such
as impairments in activities of daily living, falls, loss of independence, and increased
mortality. Several rehabilitative interventions have been tested, and the safest and most
effective is the use of progressive resistance exercise. An increase in dietary protein
intake has synergistic effects. Future research should focus on a consensus definition of
sarcopenia, identification of the best assessment methods, understanding of biological
mechanisms, and testing of innovative interventions.
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Affiliation(s)
- Walter R. Frontera
- Department of Physical Medicine, Rehabilitation, and Sports Medicine/Department of Physiology, University of Puerto Rico School of Medicine, San Juan, Puerto Rico, USA
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