Aging Clinical and Experimental Research最新文献

{"title":"The ecological system’s influence on physical activities of older adults: comparison between older men and women","authors":"Su Yeon Roh,&nbsp;Ik Young Chang","doi":"10.1007/s40520-024-02908-2","DOIUrl":"10.1007/s40520-024-02908-2","url":null,"abstract":"<div><h3>Background</h3><p>Korea is expected to become a super-aged society by 2025. Research has shown that regular participation in physical activity has a positive impact on older adults’ health and reduces national health costs.</p><h3>Aims</h3><p>Drawing on Bronfenbrenner’s ecological model, this study examines ecological systems that influence physical activity in older men and women.</p><h3>Method</h3><p>The data analysis included information on 537 older adults aged 65 years and older residing in South Korea. The regression analysis identified differences in the ecological systems that influence physical activity in older adults by sex.</p><h3>Results</h3><p>By examining the ecological systems that affect physical activity in older men, this study found that the macrosystem affected the exosystem (<i>p</i> &lt;.001) and microsystem (<i>p</i> &lt;.001), the exosystem affected the mesosystem (<i>p</i> &lt;.01), and the microsystem affected individuals (<i>p</i> &lt;.001). In the case of older women, the macrosystem affected the exosystem (<i>p</i> &lt;.001), microsystem (<i>p</i> &lt;.001), and individuals (<i>p</i> &lt;.01); the exosystem affected the microsystem (<i>p</i> &lt;.01), and the microsystem affected individuals (<i>p</i> &lt;.001).</p><h3>Conclusions</h3><p>The microsystem commonly affects the physical activity of older men and women, whereas the macrosystem only affects the physical activity of older women, suggesting that older men may experience limited macrosystem support in fostering their participation in physical activity. To address this disparity, the study highlights the need for targeted policies to enhance macrosystem support for older men, such as developing tailored physical activity programs that promote positive attitudes and accessible opportunities for participation.</p></div>","PeriodicalId":7720,"journal":{"name":"Aging Clinical and Experimental Research","volume":"37 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40520-024-02908-2.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142889999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Plasma biomarkers in patients with age-related sarcopenia: a proteomic exploration and experimental validation","authors":"Qinqing Lin,&nbsp;Kangyong Li,&nbsp;Liwei Li,&nbsp;Lichang Guan,&nbsp;Yingtong Zeng,&nbsp;Dake Cai,&nbsp;Jing Zhou,&nbsp;Lishu Xu","doi":"10.1007/s40520-024-02903-7","DOIUrl":"10.1007/s40520-024-02903-7","url":null,"abstract":"<div><h3>Background</h3><p>Various biomarkers associated with sarcopenia have been identified. However, there is a scarcity of studies exploring and validating biomarkers in individuals with age-related sarcopenia.</p><h3>Aims</h3><p>This study aimed to investigate the proteome and identify potential biomarkers for age-related sarcopenia.</p><h3>Methods</h3><p>Proteomic analysis and experimental validation were conducted using plasma from hospitalized older adults. Sarcopenia diagnosis was based on the Asian Working Group for Sarcopenia 2019 criteria. Data-independent acquisition-based proteomics was performed on plasma from 60 participants, with 30 diagnosed with sarcopenia and 30 without sarcopenia. Differentially expressed proteins (DEPs) were selected and evaluated by Receiver Operating Characteristic (ROC) analysis. Biomarker candidates were further quantitatively validated by enzyme-linked immunosorbent assay (ELISA) utilizing plasma from 6 participants with sarcopenia and 6 without sarcopenia.</p><h3>Results</h3><p>A total of 39 DEPs were identified and 12 DEPs were selected for ROC analysis. 8 DEPs were included for ELISA validation based on their predictive performance. Paraoxonase-3 (PON3) consistently showed down-regulation in the sarcopenic group across both methodologies. Insulin-like growth factor-binding protein-2 (IGFBP2) showed inconsistency in the sarcopenic group, with up-regulation observed in proteomic analysis but down-regulation in ELISA.</p><h3>Discussion</h3><p>Decline in PON3 may result in an overload of oxidative stress in skeletal muscles and contribute to sarcopenia. Protein modifications of IGFBP2 might exhibit during sarcopenia pathogenesis.</p><h3>Conclusions</h3><p>Plasma proteins are implicated in sarcopenia pathogenesis. PON3 is highlighted as a potential biomarker for patients with age-related sarcopenia. Further studies are imperative to gain an in-depth understanding of PON3 and IGFBP2.</p></div>","PeriodicalId":7720,"journal":{"name":"Aging Clinical and Experimental Research","volume":"37 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40520-024-02903-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142890012","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of static stretching and specific warm-up on the repetition performance in upper- and lower-limb exercises in resistance-trained older women","authors":"Felipe Lisboa,&nbsp;Witalo Kassiano,&nbsp;Natã Stavinski,&nbsp;Bruna Costa,&nbsp;Gabriel Kunevaliki,&nbsp;Jarlisson Francsuel,&nbsp;Ian Tricoli,&nbsp;Aline Prado,&nbsp;Leticia T. Cyrino,&nbsp;Marcelo A. S. Carneiro,&nbsp;Luis Lima,&nbsp;Pâmela Castro-e-Souza,&nbsp;Edilaine F. Cavalcante,&nbsp;Abdallah Achour Jr.,&nbsp;Edilson S. Cyrino","doi":"10.1007/s40520-024-02880-x","DOIUrl":"10.1007/s40520-024-02880-x","url":null,"abstract":"<div><h3>Introduction</h3><p>Preparation methods are often used to improve performance (e.g., number of repetitions) within the resistance training session. However, there is still no consensus in the scientific literature on whether there is a superior preparation method for improving performance, particularly in older adults.</p><h3>Methods</h3><p>We compared the effects of preparation by specific warm-up (SW), static stretching (SS), and control condition (CC) on the total number of repetitions in four exercises: leg extension, triceps pushdown, seated leg curl, and preacher curl. Fifty-seven older women (≥ 60 years) performed the experimental protocols (SW and SS) and the CC in a cross-over and counterbalanced design. Following the preparation protocol, the main exercises were performed in two sets until volitional concentric failure, with a two-minute rest interval between sets and 2–3 min between exercises. The main outcome was the total number of repetitions.</p><h3>Results</h3><p>The SS improved performance compared to the SW and the CC in the leg extension and seated leg curl resistance exercises. In contrast, the SW impaired performance compared to the SS and CC in the triceps pushdown and preacher curl exercises.</p><h3>Conclusion</h3><p>Our results suggest that SS may improve performance in lower-limb exercises, while the SW appears to negatively affect performance in upper-limb exercises in resistance-trained older women.</p></div>","PeriodicalId":7720,"journal":{"name":"Aging Clinical and Experimental Research","volume":"37 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40520-024-02880-x.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142890011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Predictive value of geriatric nutritional risk indexes for hospital readmission and mortality in older patients","authors":"Yajun Chen,&nbsp;Jin Wei,&nbsp;Ming Zhang,&nbsp;Dongping Xu,&nbsp;Yuheng Lang,&nbsp;Yumei Qi","doi":"10.1007/s40520-024-02899-0","DOIUrl":"10.1007/s40520-024-02899-0","url":null,"abstract":"<div><p>The Geriatric Nutritional Risk Index (GNRI) plays a crucial role in assessing nutritional status and predicting clinical outcomes in older patients. This study explores the GNRI as a prognostic tool for clinical outcomes in older inpatients. Spanning from August 2013 to December 2020, the research involved 573 older patients at Tianjin Third Central Hospital, China. The study assessed the association of GNRI with 6-month hospital readmission and 3-year all-cause mortality rates. Our findings reveal that higher GNRI scores significantly correlate with reduced hospital readmissions and mortality, underscoring the utility of GNRI in predicting clinical outcomes and guiding interventions in geriatric care. The study highlights the potential of integrating GNRI assessments into routine clinical evaluations to enhance patient care and optimize resource utilization in healthcare settings.</p></div>","PeriodicalId":7720,"journal":{"name":"Aging Clinical and Experimental Research","volume":"37 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40520-024-02899-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142890454","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sarcopenia diagnosed by computed tomography predicts postoperative complications in advanced epithelial ovarian cancer","authors":"Shuyue Su,&nbsp;Rongrong Shao,&nbsp;Mengxiao Sun,&nbsp;Jingying Bai,&nbsp;Haote Jiang,&nbsp;Yuyang Zhang","doi":"10.1007/s40520-024-02901-9","DOIUrl":"10.1007/s40520-024-02901-9","url":null,"abstract":"<div><h3>Background &amp; aims</h3><p>Surgery combined with chemotherapy remains the mainstay of treatment for advanced epithelial ovarian cancer. It is important to evaluate the occurrence of postoperative complications before operation and to prevent them. The purpose of this study is to investigate the role of sarcopenia diagnosed by CT scans in predicting postoperative complications in patients with ovarian cancer.</p><h3>Methods</h3><p>Patients with PDS or IDS in the First Affiliated Hospital of Wenzhou Medical University from August 2017 to August 2022 were included. Sarcopenia was identified using CT scans at the T12 level. According to the Clavien-Dindo classification, postoperative complications are considered to have occurred in grades 2 and above. Logistic regression analysis was used to identify risk factors contributing to postoperative complications. <i>P</i> &lt; 0.05 was considered statistically significant.</p><h3>Results</h3><p>A total of 139 patients were included. Sarcopenia was observed in 24(17.27%) patients with advanced epithelial ovarian cancer. Compared to the non-sarcopenia group, the sarcopenia group had a higher incidence of postoperative complications (62.50% VS 42.61%, <i>p</i> = 0.032). Multivariate logistic analysis confirmed sarcopenia (OR = 3.241, <i>p</i> = 0.026), age over 65 years (OR = 3.296, <i>p</i> = 0.005), and intraoperative bleeding (OR = 1.002, <i>p</i> &lt; 0.001) as independent predictors of postoperative complications in ovarian cancer.</p><h3>Discussion &amp; conclusions</h3><p>Sarcopenia diagnosed based on CT body composition analysis may serve as a potential predictor for postoperative complications. Further research is warranted to explore preventive strategies and interventions to improve outcomes in this population.</p></div>","PeriodicalId":7720,"journal":{"name":"Aging Clinical and Experimental Research","volume":"37 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40520-024-02901-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142889995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impacts of osteosarcopenia on musculoskeletal health, risks of falls and fractures, and activities of daily living among population aged 50 and above: an age- and sex-matched cross-sectional analysis","authors":"Bao Tu Thai Nguyen,&nbsp;Ashleigh Peng Lin,&nbsp;Wan-Wan Yang,&nbsp;Shun-Jen Cheng,&nbsp;Yi-Jie Kuo,&nbsp;Tan Thanh Nguyen,&nbsp;Yu-Pin Chen","doi":"10.1007/s40520-024-02902-8","DOIUrl":"10.1007/s40520-024-02902-8","url":null,"abstract":"<div><h3>Aims</h3><p>We conducted this study to investigate the impact of muscle loss on musculoskeletal health, fall and fracture risks, and activities of daily living (ADL) in elderly patients with osteoporosis.</p><h3>Materials and methods</h3><p>This age- and sex-matched cross-sectional study analyzed data from a medical center involving patients aged ≥ 50 from 2020 to 2022. The included participants were formed into three groups: 100 with osteoporosis only, 100 with osteosarcopenia, and 50 control individuals without osteoporosis and sarcopenia. We compared groups based on their baseline characteristics, bone and muscle health measurements, and the risks of falls and fractures using the STRATIFY scale and FRAX, respectively. Additionally, ADL was assessed using the Barthel Index. A multivariate analysis was performed to identify factors associated with declined ADL in osteosarcopenic patients.</p><h3>Results</h3><p>The mean age was 76.17 years, and 82% were female. The osteosarcopenic group demonstrated poorer bone and muscle quality and quantity, with greater risks of major osteoporotic-related fractures, hip fractures, and falls, as well as significantly decreased ADL than other groups. When comparing sexes, females exhibited worse performance than males across groups. Slow gait speed and high STRATIFY score are independent predictors of declined ADL in osteosarcopenic patients.</p><h3>Conclusion</h3><p>Sarcopenia exacerbates osteoporotic patients, particularly women, worsening bone deterioration, increasing fall and fracture risks, and significantly impairing daily activities. Enhancing walking speed and reducing fall risk can boost independence in individuals with osteosarcopenia. Early detection, proper management, and preventive measures are essential for mitigating these adverse outcomes in high-risk individuals.</p></div>","PeriodicalId":7720,"journal":{"name":"Aging Clinical and Experimental Research","volume":"37 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40520-024-02902-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142889992","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association between social engagement decline and cognitive function changes: mediating effect of depressive symptoms","authors":"Ping Ni,&nbsp;Hongxiu Chen,&nbsp;Xiuying Hu","doi":"10.1007/s40520-024-02897-2","DOIUrl":"10.1007/s40520-024-02897-2","url":null,"abstract":"<div><h3>Background</h3><p>Cognitive decline is a significant public health problem worldwide, but little is known about social engagement’s impact on cognitive changes over time. This study aimed to explore the relationship between social engagement decline and cognitive function change in Chinese adults, and to analyze the effect of changes in depressive symptoms on this relationship.</p><h3>Methods</h3><p>Participants were selected from the China Health and Retirement Longitudinal Study. Multiple linear regression was conducted to determine the association between social engagement decline and cognitive function changes, and a three-step method was used to test the mediating role of changes in depressive symptoms.</p><h3>Results</h3><p>During the four-year follow-up, participants’ overall cognitive function decreased by an average of 0.41 points (3.0%). The decline in social engagement was significantly associated with subsequent poorer global cognitive function (Model 1: β = − 0.060, <i>P</i> =.005; Model 2: β = − 0.056, <i>P</i> =.009), and changes in depressive symptoms partially mediated this effect, accounting for 15.3% of the total effect in Model 1 and 13.8% in Model 2. Model 1 adjusted for sociodemographic characteristics, and Model 2 adjusted for health-related factors based on Model 1.</p><h3>Conclusion</h3><p>When developing programs for cognitive improvement in middle-aged and older adults, measures to enhance social engagement should be considered. This may not only reduce depressive symptoms but also help to minimize cognitive decline.</p></div>","PeriodicalId":7720,"journal":{"name":"Aging Clinical and Experimental Research","volume":"37 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40520-024-02897-2.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142889993","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The causal association between asthma and the risk of frailty: A two-sample Mendelian randomization study","authors":"Pingping Ning,&nbsp;Xin Mu,&nbsp;Xingzhi Guo,&nbsp;Rong Zhou,&nbsp;Ge Tian,&nbsp;Rui Li","doi":"10.1007/s40520-024-02906-4","DOIUrl":"10.1007/s40520-024-02906-4","url":null,"abstract":"<div><h3>Background</h3><p>The correlation between asthma and frailty is increasingly garnering attention. The association between asthma and frailty remains inconclusive in observational studies, and the causality of this relationship still needs to be established.</p><h3>Aims</h3><p>Therefore, we employed two-sample Mendelian randomization analyses using genetic instruments to determine the causal association of asthma on frailty.</p><h3>Methods</h3><p>Two-sample Mendelian randomization (MR) analyses were performed to assess the causal effect of asthma on frailty. The genetic variants strongly associated with asthma (<i>P</i> &lt; 5E-08) during the discovery and replication stages were derived from a recent meta-analysis of genome-wide association studies (GWAS) (N = 408,442) in the UK Biobank and a GWAS in the FinnGen Consortium (N = 217,421), respectively. Summary statistics of the frailty index (N = 175,226) are derived from the latest released GWAS dataset on frailty index. The inverse variance weighted (IVW) method was employed as the primary approach for calculating estimated values, with additional sensitivity analyses and heterogeneity analyses utilized to further validate the results.</p><h3>Results</h3><p>Using the IVW method, genetic susceptibility to asthma was associated with an increased risk of frailty in the discovery stage (odds ratio [OR] = 1.092, 95% confidence interval [CI] = 1.075–1.109, <i>P</i> = 5.00E-28), which was also validated in the replication stage (OR = 1.073, 95% CI = 1.052–1.096, <i>P</i> = 1.41E-11). Sensitivity analyses yielded consistent causal estimate, and no significant pleiotropy was found throughout the MR study.</p><h3>Conclusion</h3><p>The present study demonstrated that asthma is causally associated with an elevated risk of frailty. Further studies are needed to elucidate the potential pathophysiological mechanisms between asthma and frailty.</p></div>","PeriodicalId":7720,"journal":{"name":"Aging Clinical and Experimental Research","volume":"37 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40520-024-02906-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142889921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Construction of a prediction model for Alzheimer’s disease using an AI-driven eye-tracking task on mobile devices","authors":"Qinjie Li,&nbsp;Jiaxin Yan,&nbsp;Jianfeng Ye,&nbsp;Hao Lv,&nbsp;Xiaochen Zhang,&nbsp;Zhilan Tu,&nbsp;Yunxia Li,&nbsp;Qihao Guo","doi":"10.1007/s40520-024-02882-9","DOIUrl":"10.1007/s40520-024-02882-9","url":null,"abstract":"<div><h3>Background</h3><p>Eye-movement can reflect cognition and provide information on the neurodegeneration, such as Alzheimer’s disease (AD). The high cost and limited accessibility of eye-movement recordings have hindered their use in clinics.</p><h3>Aims</h3><p>We aim to develop an AI-driven eye-tracking tool for assessing AD using mobile devices with embedded cameras.</p><h3>Methods</h3><p>166 AD patients and 107 normal controls (NC) were enrolled. The subjects completed eye-movement tasks on a pad. We compared the demographics and clinical features of two groups. The eye-movement features were selected using least absolute shrinkage and selection operator (LASSO). Logistic regression (LR) model was trained to classify AD and NC, and its performance was evaluated. A nomogram was established to predict AD.</p><h3>Results</h3><p>In training set, the model showed a good area under curve (AUC) of 0.85 for identifying AD from NC, with a sensitivity of 71%, specificity of 84%, positive predictive value of 0.87, and negative predictive value of 0.65. The validation of the model also yielded a favorable discriminatory ability with the AUC of 0.91, sensitivity, specificity, positive predictive value, and negative predictive value of 82%, 91%, 0.93, and 0.77 to identify AD patients from NC.</p><h3>Discussion and Conclusions</h3><p>This novel AI-driven eye-tracking technology has the potential to reliably identify differences in eye-movement abnormalities in AD. The model shows excellent diagnostic performance in identifying AD based on the current data collected. The use of mobile devices makes it accessible for AD patients to complete tasks in primary clinical settings or follow up at home.</p></div>","PeriodicalId":7720,"journal":{"name":"Aging Clinical and Experimental Research","volume":"37 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40520-024-02882-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142890453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of bioelectrical impedance analysis and dual-energy X-ray absorptiometry for the diagnosis of sarcopenia in the older adults with metabolic syndrome: equipment-specific equation development","authors":"Younji Kim,&nbsp;Jaewon Beom,&nbsp;Sang Yoon Lee,&nbsp;Hak Chul Jang,&nbsp;Keewon Kim,&nbsp;Miji Kim,&nbsp;Ga Yang Shim,&nbsp;Chang Won Won,&nbsp;Jae-Young Lim","doi":"10.1007/s40520-024-02898-1","DOIUrl":"10.1007/s40520-024-02898-1","url":null,"abstract":"<div><h3>Objective</h3><p>Metabolic syndrome (MetS) and sarcopenia together pose significant health risks, increasing frailty, falls, and fractures in older adults. This study compared muscle mass measurements obtained using two different dual-energy X-ray absorptiometry (DXA) machines and bioelectrical impedance analysis (BIA), and evaluated the accuracy of these measurements in these older adults.</p><h3>Methods</h3><p>In this prospective multicenter cohort study, patients aged ≥ 65 years with MetS had their muscle mass assessed using both BIA and DXA. Two DXA devices, Hologic Horizon and GE Lunar Prodigy, were used as clinical standards for sarcopenia diagnosis. Statistical analyses generated equations for transforming BIA results to match those from DXA, enhancing comparability.</p><h3>Results</h3><p>Participants had a mean age of 73.2 ± 5.3 years. The mean appendicular skeletal muscle mass (ASM) measured by BIA and DXA was 19.7 ± 3.1 kg (BIA) and 18.1 ± 2.9 kg (DXA) for males, and 13.7 ± 2.2 kg (BIA) and 12.6 ± 1.8 kg (DXA) for females. Device-specific equations were developed to estimate DXA-measured ASM based on BIA results. These equations are presented for all participants and for each DXA device, highlighting significant differences in prediction models between the two DXA machines.</p><h3>Conclusion</h3><p>The study developed device-specific equations for sarcopenia diagnosis in older adults with MetS, highlighting substantial differences between Hologic and GE Lunar devices. While BIA may offer a more accessible alternative to DXA, the variation in prediction formulas underscores the need for standardized equipment to ensure consistency in sarcopenia diagnosis.</p></div>","PeriodicalId":7720,"journal":{"name":"Aging Clinical and Experimental Research","volume":"37 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40520-024-02898-1.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142889919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}