Journal of Aging and Physical Activity最新文献

{"title":"Acute Effects of Static Stretching on Handgrip Strength and Wrist Joint Flexibility in Physically Active Older Women.","authors":"Ty B Palmer, Bailey M Palmer","doi":"10.1123/japa.2024-0344","DOIUrl":"https://doi.org/10.1123/japa.2024-0344","url":null,"abstract":"<p><strong>Background/objective: </strong>The muscle strength and flexibility responses to stretching in older adults are unclear. We aimed to examine the acute effects of static stretching on handgrip strength and wrist joint flexibility in older women.</p><p><strong>Methods: </strong>Twenty physically active older women (68 ± 6 years) performed handgrip contractions and wrist joint flexibility assessments before and after a control condition (quiet resting) and an experimental condition of static stretching for 30 s. Peak force and rate of force development variables were obtained from each contraction. Wrist joint range of motion was determined from the flexibility assessments.</p><p><strong>Results: </strong>There were no significant changes in handgrip peak force or rate of force development variables after the stretching treatment (p = .11-.88). There was, however, a significant stretch-induced increase in wrist joint range of motion (p < .01).</p><p><strong>Conclusion: </strong>These findings indicate that a 30-s bout of static stretching may be an effective intervention for increasing wrist joint flexibility without decreasing handgrip strength. Significance/Implications: The results of our study may have important implications for creating stretching interventions that can be used as part of a warm-up routine to help attenuate the negative effects of age on range of motion. Such interventions may be beneficial for improving functional performance and reducing the risk of injury in older populations.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"1-8"},"PeriodicalIF":1.4,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143524887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Erratum. A 3-Month Dual-Task Exercise Randomized Pilot Trial Improves Dynamic Stability and Coordination in Community-Dwelling Older Adults.","authors":"","doi":"10.1123/japa.2025-0006","DOIUrl":"10.1123/japa.2025-0006","url":null,"abstract":"","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"208"},"PeriodicalIF":1.5,"publicationDate":"2025-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142967293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Effect of Adherence to a Tai Chi Intervention on Quality of Life of Older People Living With Dementia.","authors":"Iram Bibi, Remco Polman, Samuel R Nyman","doi":"10.1123/japa.2024-0017","DOIUrl":"10.1123/japa.2024-0017","url":null,"abstract":"<p><strong>Background/objectives: </strong>Adherence to exercise programs is required to reap their established benefits and to sustain Quality of Life (QoL). This study explored People Living with Dementia's (PLWD) adherence to a Tai Chi exercise program and its effects on their QoL. The study included assessment of factors affecting adherence to a Tai Chi exercise intervention, causes of nonadherence, and effect of adherence on PLWD's QoL.</p><p><strong>Methods: </strong>This study was part of a randomized controlled trial where 41 community-dwelling PLWD received a Tai Chi exercise intervention in addition to usual care for 20 weeks. The measures used in this study included PLWD's QoL, global cognitive function, moderate physical activity, intention and confidence to attend classes, record of PLWD's and their carers' health conditions, and percentages of PLWD's Tai Chi class attendance and home practice during the intervention phase. Multiple linear regression, bivariate correlation, and independent sample t-test analyses were conducted to evaluate associations between these variables.</p><p><strong>Results: </strong>PLWD's overall percentage of class attendance, M (SD) = 69.19 (29.95), demonstrated high adherence. Moreover, QoL of highly adherent PLWD was significantly higher than low adherents. Among all variables, PLWD's and carers' health conditions (β = -0.64; p < .001, β = -0.38; p < .001, respectively) were the dominating factors that reduced PLWD's Tai Chi adherence, while PLWD's moderate physical activity at baseline (β = 0.27; p = .02) was significant positive predictor. Significance/Implications: PLWD's and their carers' health issues must be addressed to enhance PLWD's exercise adherence and sustain good QoL.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"359-369"},"PeriodicalIF":1.5,"publicationDate":"2025-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142928741","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Associations of 24-hr Movement Behaviors With Cardiometabolic Risk Factors and Metabolic Syndrome in Adults Receiving Outpatient Rehabilitation: A Compositional Time-Use Analysis.","authors":"Casey L Peiris, Nicholas F Taylor, Simone J J M Verswijveren","doi":"10.1123/japa.2023-0275","DOIUrl":"10.1123/japa.2023-0275","url":null,"abstract":"<p><strong>Background: </strong>Research suggests associations between physical activity, sedentary behavior, sleep, and metabolic syndrome, but most has focused on healthy populations and individual behaviors. We investigated associations of 24-hr movement behavior compositions with cardiometabolic risk factors and metabolic syndrome in adults receiving rehabilitation for other health conditions.</p><p><strong>Method: </strong>This cross-sectional study assessed 24-hr movement behaviors using thigh-worn accelerometers and metabolic outcomes via blood analyses in 145 adults attending outpatient rehabilitation. Regression models tested associations of five 24-hr time-use behaviors (time in bed, sedentary time, standing, light-intensity stepping, and moderate- to vigorous-intensity stepping) with cardiometabolic risk factors and metabolic syndrome severity score (a cumulative measure of risk derived from metabolic risk factors).</p><p><strong>Results: </strong>Participants (64 [SD 12] years old; 52% women; 66% with metabolic syndrome, with 6 [SD 0.7] days of 24-hr data) spent 41% of a 24-hr day sedentary, 15% standing, 3% in light-intensity stepping, 2% in moderate- to vigorous-intensity stepping, and 38% in bed. Adjusted models indicated that a higher proportion of light-intensity stepping was associated with lower triglycerides, more time in bed was associated with a higher metabolic syndrome severity score, and more time stepping was associated with a lower metabolic syndrome severity score. There was no evidence of associations between the overall compositions and outcomes.</p><p><strong>Conclusion: </strong>The consistently observed small proportions of physical activity, with lack of variation between participants, may not be sufficient to counteract the impact of high sedentary time on metabolic outcomes in adults attending outpatient rehabilitation.</p><p><strong>Implications: </strong>Future research may focus on exploring ways to increase light-intensity stepping in sedentary older adults with various health conditions.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"262-271"},"PeriodicalIF":1.4,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142873504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Rehabilitation Services Improve Activities of Daily Living and Instrumental Activities of Daily Living Capability in Patients After Discharge From Convalescent Rehabilitation Wards.","authors":"Tatsuya Matsushita, Michiyuki Kawakami, Sayaka Nemugaki, Kazutaka Maeda, Koji Kanatani, Kentaro Akimoto, Koichi Ohnaka, Toshio Ohta, Yoshiharu Tokunaga","doi":"10.1123/japa.2024-0034","DOIUrl":"10.1123/japa.2024-0034","url":null,"abstract":"<p><strong>Background/objectives: </strong>There is a notable lack of evidence regarding the long-term effects of rehabilitation services, particularly concerning functional recovery and daily living activities of patients following discharge from convalescent rehabilitation wards. This study aimed to clarify the longitudinal changes in activities of daily living and instrumental activities of daily living of patients after discharge from a convalescent rehabilitation ward and the association between the use of rehabilitation services and clinical outcomes.</p><p><strong>Methods: </strong>Patients discharged from Japanese convalescent rehabilitation wards in August 2021 were included. They were classified into two groups (rehabilitation and nonrehabilitation services use) based on whether they used rehabilitation services (outpatient rehabilitation, older adult day care, or home-based rehabilitation) after discharge. The primary outcomes, including the Barthel Index, functional independence measure, Frenchay Activities Index, and life-space assessment scores at 6 months after discharge, were analyzed by multivariate analysis.</p><p><strong>Results: </strong>A total of 293 patients (median age: 75 years; 148 females) were included in the analysis. The use of rehabilitation services was independently associated with the Barthel Index (partial regression coefficient [B]: 7.224; 95% confidence interval [CI]: [1.760, 12.688]), functional independence measure (B: 2.659; 95% CI: [0.194, 5.125]), Frenchay Activities Index (B: 2.351; 95% CI: [0.5088, 4.192]), and life-space assessment at 6 months after discharge (B: 8.226, 95% CI: [3.902, 12.550]).</p><p><strong>Conclusions: </strong>The use of rehabilitation services was independently associated with patients' Barthel Index, functional independence measure, Frenchay Activities Index, and life-space assessment after discharge from a convalescent rehabilitation ward. This study emphasizes crucial role of postdischarge interventions for improved patient outcomes.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"272-276"},"PeriodicalIF":1.4,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142752167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Accuracy of an Activity Monitor in Assessing Physical Activity of Hospitalized Geriatric Rehabilitation Patients With Slow Walking Speed Using a Walking Aid.","authors":"Margaretha van Dijk, Wouter Bijnens, Catoo Van Driessche, Toon Van Meerbeek, Patsy Allegaert, Heleen Van Cleynenbreugel, Sabine Verschueren, Geert Verheyden, Jos Tournoy, Johan Flamaing","doi":"10.1123/japa.2023-0319","DOIUrl":"10.1123/japa.2023-0319","url":null,"abstract":"<p><strong>Background/objectives: </strong>Accurate assessment of physical activity is essential in hospital settings, but difficult for geriatric rehabilitation patients who have slow walking speed and rely on walking aids. This study conducted an external validation of the MOX activity monitor accuracy in distinguishing between sedentary (lying, sitting), standing, and dynamic activities among hospitalized geriatric rehabilitation patients. Additionally, the study assessed clinical tolerance and ease of use of the monitor.</p><p><strong>Methods: </strong>Inclusion criteria were being hospitalized on the geriatric rehabilitation ward, aged 70 years or older, and using a walking aid. The monitor was placed on the upper leg, and remained in place for 1 week. In a test-session, four activities of 4 min each (lying, sitting, standing, and walking) were filmed. Video analyses created a direct observation timeline. Daily skin irritation assessments were conducted and participants noted their discomfort level at the week's end.</p><p><strong>Results: </strong>The study included 20 participants who relied on walking aids, with 10 requiring additional physical support while walking. The MOX activity monitor exhibited excellent accuracy in classifying the four activities, with a zero mean percentage error for sedentary activity, 2.2% for standing, and 2.7% for walking. Participants reported minimal hindrance, and the monitor proved user-friendly.</p><p><strong>Conclusion: </strong>The MOX activity monitor demonstrated remarkable accuracy in distinguishing between these four activities in a test-session and displayed strong clinical applicability.</p><p><strong>Significance: </strong>The monitor shows substantial promise as a valuable tool for assessing physical activity in hospitalized geriatric rehabilitation patients using walking aids.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"243-250"},"PeriodicalIF":1.4,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142683328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"It Has To Be My Way-Reducing Sedentary Time in the Transition to Retirement.","authors":"Lisa Hultman, Caroline Eklund, Petra von Heideken Wågert, Anne Söderlund, Magnus L Elfström","doi":"10.1123/japa.2023-0414","DOIUrl":"10.1123/japa.2023-0414","url":null,"abstract":"<p><strong>Background: </strong>Sedentary behavior is highly prevalent in older adults transitioning to retirement. Sedentary time is all of the time spent in sedentary behavior, and prolonged sedentary time is associated with an increased risk of noncommunicable diseases. The aim of this study was to explore perceptions among older adults transitioning from working life to retirement regarding self-management strategies for reducing sedentary time and adhering to the reduced sedentary time.</p><p><strong>Methods: </strong>Twenty-eight older adults, age 60-75 years, participated in one of four focus group interviews. Qualitative content analysis was used to analyze the data.</p><p><strong>Results: </strong>The analysis resulted in the theme \"It has to be my way,\" and the three categories \"Activities scattered with joyfulness,\" \"Support for changes in everyday life,\" and \"Health affects willingness and ability, and is affected by adherence.\"</p><p><strong>Conclusions: </strong>Interpreted from the perspective of self-determination theory, self-management strategies for reducing sedentary time should be adaptable as every individual is unique, indicating a need for autonomy. Sedentary time was said to be reduced by activities that evoked joyfulness, and joyfulness was considered to increase adherence. Support for changes to one's everyday life was considered necessary. The support that was mentioned primarily involved targeting cognitive determinants such as self-efficacy and attitudes. This new knowledge can be included when designing self-management interventions; however, more research is needed in order to evaluate whether self-management strategies targeting autonomous motivation and affective determinants, such as affective judgment and cognitive determinants, can reduce sedentary time in those who are in the transition to retirement.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"233-242"},"PeriodicalIF":1.4,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142683356","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Systematic Review of the Effects of Breaking up/Interrupting Sedentary Behavior on Health Outcomes Among Community-Dwelling Adults 60+ Years.","authors":"Ann M Swartz, Garrett M Steinbrink, Scott J Strath, Tarini Mitra, Whitney A Morelli","doi":"10.1123/japa.2023-0416","DOIUrl":"10.1123/japa.2023-0416","url":null,"abstract":"<p><strong>Background/objectives: </strong>The aim of this systematic review was to evaluate the available evidence regarding the impact of breaks in sedentary time on cardiovascular, metabolic, functional, and psychosocial health of adults aged 60 years and older.</p><p><strong>Methods: </strong>A systematic search of databases was performed in May 2024. This review was registered with PROSPERO (#374311) and has been reported using the Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines.</p><p><strong>Results: </strong>A total of seven articles (five unique studies) were included. The available evidence suggests minimal changes in health-related variables. Specifically, changes to cardio-metabolic and psychosocial variables were limited. Changes to physical function appear to show the most promise. While only one of the studies included focused solely on reducing sedentary behavior, all others focused on reducing sedentary behavior by increasing physical activity. Two of the seven articles showed significant changes compared with the control group to sedentary time ranging from 32 to 58 min. Mean sedentary bout time and number of sedentary bouts longer than 30 min were reduced in two of the seven articles. No changes in sit-to-stand transitions were reported.</p><p><strong>Conclusion: </strong>There is limited evidence focusing on the impact of breaks or interruptions to sedentary time on the physical and mental health of community-dwelling adults 60+ years. Significance/Implications: This systematic review examines recent research aimed to disrupt sedentary behavior and positively impact health in community-dwelling older adults. Results show the difficulty of increasing sit-to-stand transitions/breaks in sedentary behavior, and highlight the challenge of disentangling the effects of sedentary behavior, and physical activity on health.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"287-308"},"PeriodicalIF":1.4,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142683290","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association Between Objective Sleep and Clinical Outcomes in Older Adults With Low Back Pain Receiving Physical Therapy Care: A Secondary Analysis of a Responsiveness Study.","authors":"Samuel Silva, Rafael Zambelli Pinto, Gabriel Mendes, Raimundo Lucas Santos, Isadora Grade, Marco Túlio de Mello, Jill A Hayden, Andressa Silva","doi":"10.1123/japa.2024-0038","DOIUrl":"10.1123/japa.2024-0038","url":null,"abstract":"<p><strong>Background/objectives: </strong>Sleep seems to be associated with worse low back pain (LBP) outcomes in older adults; however, studies investigating the association of objective sleep with future changes in LBP outcomes are lacking. The objectives of this study are as follows: (a) to investigate the association between objectively measured sleep with changes in clinical outcomes in older adults with LBP receiving physical therapy care and (b) to examine the cross-sectional association between sleep and pain catastrophizing.</p><p><strong>Methods: </strong>This was a prospective cohort study. We recruited older adults (≥60 years old) with chronic LBP undergoing physical therapy treatment. At baseline, we assessed participants' sleep (actigraphy for 10-14 days), pain intensity, disability, pain catastrophizing, and covariates. After 8 weeks, we reassessed pain intensity, disability, and self-perceived recovery. We ran linear regression models and Spearman coefficient tests.</p><p><strong>Results: </strong>Fifty-eight participants were included, and 51 completed follow-up assessments (60.8% women; mean age 70.1 ± 5.6 years). We found no associations between sleep quantity and efficiency with changes in pain intensity, disability, and self-perceived recovery after 8 weeks of physical therapy care. We found a correlation between sleep fragmentation and pain catastrophizing (r = .30; 95% confidence interval: [.03, .54]).</p><p><strong>Conclusion: </strong>Objective sleep quantity and efficiency may not be associated with changes in LBP outcomes after physical therapy care in older adults. Among the sleep domains evaluated, sleep fragmentation may be the sleep domain with the strongest association with pain catastrophizing. Significance/Implications: Objectively measured sleep might not be a prognostic factor for LBP improvement in older adults. Future studies should explore the association between sleep fragmentation and pain catastrophizing.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"251-261"},"PeriodicalIF":1.4,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142683343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Accelerometer-Measured Volumes of Moderate-to-Vigorous Physical Activity and Functional Fitness in Older Adults.","authors":"Daniel Cruz, Yuri A Freire, Francisco J Rosa-Souza, Ludmila L P Cabral, Raissa M Silva, Marcyo Camara, Debra L Waters, Rodrigo A V Browne, Eduardo C Costa","doi":"10.1123/japa.2023-0384","DOIUrl":"10.1123/japa.2023-0384","url":null,"abstract":"<p><p>The objective of this study is to investigate the association between different volumes of accelerometer-measured moderate-to-vigorous physical activity (MVPA) and functional fitness in older adults in a cross-sectional study (n = 242; 66 ± 5 years; 80% women). MVPA was assessed by accelerometer for 1 week. Based on the MVPA recommendations, the participants were classified as: (a) inactive (<50 min/week), (b) somewhat active (50-99 min/week), (c) moderately active (100-149 min/week), and (d) active (≥150 min/week). These groups reflect <33%, 33%-66%, 67%-99%, and ≥100% of the MVPA recommendations, respectively. Functional fitness was assessed by the Senior Fitness Test battery: 6-min walk test (6MWT), timed up and go (TUG), 30-s chair stand test, 30-s arm curl test, chair sit-and-reach test, and back scratch test. In addition to the analysis for each functional fitness test, a total functional fitness score was calculated by the sum of the z scores of all tests. Generalized linear models were used for data analyses (reference: inactive). Compared with the inactive group (n = 59), the somewhat active group (n = 47) had better performance on the 6MWT and TUG (p < .05). The moderately active group (n = 47) had better performance on the 6MWT, TUG, 30-s chair stand test, and the total functional fitness score (p < .05). The active group (n = 89) had better performance on the 6MWT, TUG, 30-s chair stand test, chair sit-and-reach test, and the total functional fitness score (p < .05). Older adults who engaged in higher volumes of MVPA had better performance in more functional fitness components. However, lower than recommended volumes of MVPA (meeting ≥50 min/week) were also associated with greater lower limb functional fitness performance.</p>","PeriodicalId":51073,"journal":{"name":"Journal of Aging and Physical Activity","volume":" ","pages":"224-232"},"PeriodicalIF":1.4,"publicationDate":"2024-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142632074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}