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Real-World Evidence of Multiple Air Pollutants and Mortality:A Prospective Cohort Study in an Oldest-Old Population

Environment & health 2024年第1期2卷 23-33页

作者： Linxin Liu Yi Zeng John S.Ji Vanke school of Public health and school of Medicine Tsinghua UniversityBeijingChina 100084 Center for the Study of Aging and human development School of MedicineDuke UniversityDurhamNorth Carolina 27710United States Center for healthy Aging and development Studies National School of DevelopmentPeking UniversityBeijingChina 100091 Vanke school of Public health Tsinghua UniversityBeijingChina 100084

We aimed to report real-world longitudinal ambient air pollutants levels compared to WHO Air Quality Guidelines(AQG)and analyze multiple air pollutants’joint effect on longevity,and the modification and confounding from the climate and urbanization with a focus on the *** study included 13,207 old participants with 73.3%aged 80 and beyond,followed up from 2008 to 2018 in 23 Chinese *** used the Cox-proportional hazards model and quantile-based g-computation model to measure separate and joint effects of the multiple *** adjusted for climate and area economic factors based on a directed acyclic *** 2018,no participants met the WHO AQG for PM_(2.5) and O_(3),and about one-third met the AQG for NO_(2).The hazard ratio(HR)for mortality was 1.07(95%confidence interval-CI:1.05,1.09)per decile increase in all three pollutants,with PM_(2.5) being the dominant contributor according to the quantile-based g-computation *** the three-pollutant model,the HRs(95%CI)for PM_(2.5) and NO_(2) were 1.27(1.25,1.3)and 1.08(1.05,1.12)per 10μg/m3 increase,*** oldest-old experienced a much lower mortality risk from air pollution compared to the *** mortality risk of PM_(2.5) was higher in areas with higher annual average *** adjustment of road density considerably intensified the association between NO_(2) and *** ambient PM_(2.5) and O_(3) levels in China exceeded the WHO AQG target *** pollutants coexposure,confounding,and modification of the district economic and climate factors should not be ignored in the association between air pollution and mortality.

关键词： air quality multiple exposures climate district economic health equity

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Pregnancy stressors and postpartum symptoms of depression and anxiety:the moderating role of a cognitivebehavioural therapy(CBT)intervention

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General Psychiatry 2024年第1期37卷 112-121页

作者： Yunxiang Sun Soim Park Abid Malik Najia Atif Ahmed Zaidi Atif Rahman Pamela J Surkan Department of International health Johns Hopkins University Bloomberg School of Public HealthBaltimoreMarylandUSA Department of Public Mental health Health Services AcademyIslamabadPakistan human development Research Foundation RawalpindiPakistan Department of Primary Care and Mental health Institute of Population HealthUniversity of LiverpoolLiverpoolUK

Background Little is known about the association between stressors(especially positive stressors)during pregnancy and postpartum depression and *** We investigated the association between positive and negative stress events during different stages of pregnancy and postpartum mental health outcomes among low-income pregnant women with symptoms of anxiety in Pakistan and evaluated whether an intervention based on cognitive behavioural therapy(CBT)had a regulatory *** Participants were 621 pregnant Pakistani women with mild *** the Pregnancy Experience Scale-Brief Version,six scores were created to assess positive and negative *** performed a multivariate linear regression to examine whether these six scores,measured both at baseline and in the third trimester,were associated with postpartum anxiety and depressive *** effect of the intervention on this relationship was examined by adding an interaction term to the regression *** Hassles frequency measured in the third trimester was positively associated with depression(B=0.22,95%confidence interval(Cl):0.09 to 0.36)and anxiety(B=0.19,95%Cl:0.08to 0.30).At the same timepoint,uplifts intensity was negatively associated with symptoms of depression(B=-0.82,95%Cl:1.46 to-0.18)and anxiety(B=-0.70,95%Cl:-1.25 to-0.15),whereas hassles intensity was positively related to symptoms of depression(B=1.02,95%Cl:0.36 to 1.67)and anxiety(B=0.90,95%Cl:0.34 to 1.47).The intensity ratio of hassles to uplifts reported in the third trimester was positively related to both depression(B=1.40,95%Cl:0.59 to 2.20)and anxiety(B=1.26,95%Cl:0.57 to 1.96).The intervention strengthened the overall positive effects of uplfts and the negative effects of *** experiences at baseline during early pregnancy to mid-pregnancy were not associated with mental health *** Stressors in the third trimester but not earlier in pregnancy were associated with postpartum symptoms

关键词： postpartum stress behaviour

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Cognitive impairment associated with individual and joint exposure to PM_(2.5)constituents in a Chinese national cohort

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Frontiers of Environmental Science & Engineering 2024年第9期18卷 39-50页

作者： Boning Deng Yachen Li Lifeng Zhu Yuwei Zhou Aonan Sun Jingjing Zhang Yixiang Wang Yuxi Tan Jiajun Shen Yalin Zhang Zan Ding Yunquan Zhang Institute of Social development and health Management Hubei Province Key Laboratory of Occupational Hazard Identification and ControlSchool of Public HealthWuhan University of Science and TechnologyWuhan 430065China Baoan Central Hospital of Shenzhen Shenzhen 518102China

Nationwide longitudinal evidence linking cognitive decline with exposure to fine particulate matter(PM_(2.5))constituents remains scarce in *** constructing a dynamic cohort based on the China health and Retirement Longitudinal Study,we aimed to assess individual and joint associations of PM_(2.5)constituents with cognitive function among middle-aged and older adults in *** mixed-effects models incorporated with quantile-based g-computation were applied to investigate individual and joint associations of long-term exposures to PM_(2.5)constituents with cognitive *** 13,507 respondents,we evaluated 38,950 follow-up records of cognitive function *** in global cognitive score associated with an interquartile range(IQR)increase in exposure were−1.477(95%CI:−1.722,−1.232)for nitrate,followed by−1.331(−1.529,−1.133)for ammonium,−1.033(−1.184,−0.883)for sulfate,−0.988(−1.144,−0.832)for organic matter and−0.822(−0.946,−0.699)for black *** IQR-equivalent increase in joint exposure to these PM_(2.5)constituents was associated with a decline of−1.353(−1.659,−1.048)in global cognitive ***,younger,and well-educated individuals were at greater vulnerability to cognitive impairment related to individual and joint exposure to PM_(2.5)*** study suggested that later-life exposures to PM_(2.5)constituents were associated with cognitive decline in middle-aged and older adults in China.

关键词： Air pollution PM_(2.5)constituents Cognitive function Joint exposure Middle-aged and older adults

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Trends and Distribution of Life Expectancy and health-Adjusted Life Expectancy—Asia-Pacific Region,1990-2021

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China CDC weekly 2024年第39期6卷 996-1003页

作者： Yanan Luo Panliang Zhong Yujie Huang Yihao Zhao Chenlu Hong Xiaoying Zheng Department of Global health School of Public HealthPeking UniversityBeijingChina Institute for Global health and development Peking UniversityBeijingChina school of Population Medicine and Public health Chinese Academy of Medical Sciences/Peking Union Medical CollegeBeijingChina

What is already known about this topic?The Asia-Pacific region is the most populous and diverse globally,encompassing nations with both the longest and shortest life expectancies(LE).However,less is known about the health-adjusted life expectancy(HALE)situation in this *** is added by this report?This study found diversity in the levels and trends of HALE among countries in the Asia-Pacific region,with HALE in 2021 ranging from 49.87 years in Afghanistan to 74.96 years in *** largest HALE increase from 1990 to 2021 was observed in the Lao People’s Democratic Republic and the smallest in *** continually increased as SDI increased,but different patterns of HALE across countries varied by SDI *** are the implications for public health practice?The diversity among these countries provides a prerequisite and scientific basis for promoting the achievement of health goals in the Asia-Pacific region through multilateral and bilateral cooperation.

关键词： shortest smallest globally

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The Role of Childhood Circumstances in healthy Aging Inequalities Among Older Adults—China,2011–2020

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China CDC weekly 2024年第11期6卷 208-212,I0004-I0007页

作者： Peng Nie Xili Lin Lanlin Ding school of Economics and Finance Xi’an Jiaotong UniversityXi’an CityShaanxi ProvinceChina Global health Institute Xi’an Jiaotong University Health Science CenterXi’an CityShaanxi ProvinceChina National school of development Peking UniversityBeijingChina

What is already known about this topic?Addressing health disparities is a worldwide priority,with a well-established acknowledgment of the influence of childhood circumstances on these *** China,particularly among the elderly,health inequalities are a notable *** is added by this report?The inequality in healthy aging has increased from 2011 to 2020,both in general and concerning childhood ***,the impact of early-life healthcare access and parental health behaviors on healthy aging gaps has reduced among older adults in better health within the top segment of healthy *** are the implications for public health practice?Efforts towards reducing regional health disparities and improving healthcare access for children,along with promoting the health and well-being of parents,especially in economically disadvantaged households,are crucial policy considerations.

关键词： ledgment inequalities circumstances

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Multimorbidity and mortality among older patients with coronary heart disease in Shenzhen,China

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Journal of Geriatric Cardiology 2024年第1期21卷 81-89页

作者： Fu-Rong LI Shuang WANG Xia LI Zhi-Yuan CHENG Cheng JIN Chun-Bao MO Jing ZHENG Feng-Chao LIANG Dong-Feng GU Shenzhen Key Laboratory of Cardiovascular health and Precision Medicine Southern University of Science and TechnologyShenzhenGuangdongChina school of Public health and Emergency Management Southern University of Science and TechnologyShenzhenGuangdongChina Shenzhen health development Research and Data Management Center ShenzhenChina school of Medicine Southern University of Science and TechnologyShenzhenGuangdongChina

BACKGROUND The current understanding of the magnitude and consequences of multimorbidity in Chinese older adults with coronary heart disease(CHD)is *** aimed to assess the association and population-attributable fractions(PAFs)between multimorbidity and mortality among hospitalized older patients who were diagnosed with CHD in Shenzhen,*** We conducted a retrospective cohort study of older Chinese patients(aged≥65 years)who were diagnosed with *** proportional hazards models were used to estimate the associations between multimorbidity and all-cause and cardiovascular disease(CVD)*** also calculated the *** The study comprised 76,455 older hospitalized patients who were diagnosed with CHD between January 1,2016,and August 31,*** them,70,217(91.9%)had multimorbidity,defined as the presence of at least one of the predefined 14 chronic *** with cancer,hemorrhagic stroke and chronic liver disease had the worst overall death risk,with adjusted HRs(95%CIs)of 4.05(3.77,4.38),2.22(1.94,2.53),and 1.85(1.63,2.11),*** CVD mortality,the highest risk was observed for hemorrhagic stroke,ischemic stroke,and chronic kidney disease;the corresponding adjusted HRs(95%CIs)were 3.24(2.77,3.79),1.91(1.79,2.04),and 1.81(1.64,1.99),***-cause mortality was mostly attributable to cancer,heart failure and ischemic stroke,with PAFs of 11.8,10.2,and 9.1,*** for CVD mortality,the leading PAFs were heart failure,ischemic stroke and diabetes;the corresponding PAFs were 18.0,15.7,and 6.1,*** Multimorbidity was common and had a significant impact on mortality among older patients with CHD in Shenzhen,***,heart failure,ischemic stroke and diabetes are the primary contributors to ***,prioritizing improved treatment and management of these comorbidities is essential for the survival prognosis of CHD patients from a holistic public health perspective.

关键词： patients morbidity mortality

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Individual and joint exposures to PMconstituents and mortality risk among the oldest-old in China

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Science China Life Sciences 2024年

作者： Yaqi Wang Yang Yuan Shaocai Mo Fang Wang Jing Wei Yao Yao Yi Zeng Yunquan Zhang Institute of Social development and health Management Hubei Province Key Laboratory of Occupational Hazard Identification and Control School of Public Health Wuhan University of Science and Technology Shenzhen Bao'an District Songgang People's Hospital school of Public health Xuzhou Medical University Department of Atmospheric and Oceanic Science Earth System Science Interdisciplinary Center University of Maryland College Park China Center for health development Studies Peking University Center for healthy Aging and development Studies National School of Development Peking University

Cohort evidence linking long-term survival of older adults with exposure to fine particulate matter (PM2.5) constituents remains scarce in *** constructing a dynamic cohort based on the Chinese Longitudinal healthy Longevity Study,we aimed to assess the individual and joint associations of major PM2.5constituents with all-cause death in Chinese oldest-old （≥80 years） ***-dependent Cox proportional hazards models were adopted to estimate death risks of long-term exposure to *** 14,884 participants,totaling 56,342 person-years of follow-up,12,346 deaths were *** highest mortality risk associated with an interquartile range（IQR） increase in exposure was 1.081 （95%confidence interval[CI]:1.055–1.108） for sulfate (IQR=4.1μg m–3),followed by 1.078 （95%CI:1.056–1.101） for black carbon (IQR=1.6μg m–3),1.056 （95%CI:1.028–1.084） for ammonium (IQR=3.2μg m–3),1.050 （95%CI:1.021–1.080） for nitrate (IQR=5.8μg m–3),and 1.049 （95%CI:1.024–1.074） for organic matter (IQR=10.3μg m–3).In joint exposure,each IQR-equivalent rise of all five PM2.5constituents was associated with an 8.2%（95%CI:4.0%–12.6%） increase in mortality *** weight analysis indicated the predominant role of sulfate and black carbon in driving PM2.5-related *** （aged 80–89 years） and rural dwellers were at significantly greater risk of mortality from individual and joint exposures to *** study suggests that later-life exposure to PM2.5constituents,particularly sulfate and black carbon,may curtail long-term survival of the oldest-old in China.

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Building a domain-specific compiler for emerging processors with a reusable approach

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Science China(Information Sciences) 2024年第1期67卷 20-38页

作者： Mingzhen LI Yi LIU Bangduo CHEN Hailong YANG Zhongzhi LUAN Depei QIAN State Key Laboratory of Software development Environment school of Computer Science and Engineering Beihang University

High-performance computing and deep learning domains have been motivating the design of domain-specific *** these processors can provide promising computation capability,they are notorious for exotic programming *** improve programming productivity and fully exploit the performance potential of these processors,domain-specific compilers(DSCs) have been ***,building DSCs for emerging processors requires tremendous engineering efforts because the commonly used compilation stack is difficult to be *** to the advent of multilevel intermediate representation(MLIR),DSC developers can leverage reusable infrastructure to extend their customized functionalities without rebuilding the entire compilation *** this paper,we further demonstrate the effectiveness of MLIR by extending its reusable infrastructure to embrace a heterogeneous many-core processor(Sunway processor).In particular,we design a new Sunway dialect and corresponding backend for the Sunway processor,fully exploiting its architectural advantage and hiding its programming *** show the ease of building a DSC,we leverage the Sunway dialect and existing MLIR dialects to build a stencil compiler for the Sunway *** experimental results show that our stencil compiler,built with a reusable approach,can even perform better than state-of-the-art stencil compilers.

关键词： domain-specific compiler emerging processor reusable dialect performance optimization MLIR

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Application of sparse S transform network with knowledge distillation in seismic attenuation delineation

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Petroleum Science 2024年第4期21卷 2345-2355页

作者： Nai-Hao Liu Yu-Xin Zhang Yang Yang Rong-Chang Liu Jing-Huai Gao Nan Zhang school of Information and Communications Engineering Xi'an Jiaotong University school of Software Engineering Xi'an Jiaotong University PetroChina Research Institute of Petroleum Exploration and development (RIPED) CNPC Research Institute of Exploration and development Yumen Oilfield Company CNPC

Time-frequency analysis is a successfully used tool for analyzing the local features of seismic ***, it suffers from several inevitable limitations, such as the restricted time-frequency resolution,the difficulty in selecting parameters, and the low computational efficiency. Inspired by deep learning,we suggest a deep learning-based workflow for seismic time-frequency analysis. The sparse S transform network(SSTNet) is first built to map the relationship between synthetic traces and sparse S transform spectra, which can be easily pre-trained by using synthetic traces and training labels. Next, we introduce knowledge distillation(KD) based transfer learning to re-train SSTNet by using a field data set without training labels, which is named the sparse S transform network with knowledge distillation(KD-SSTNet).In this way, we can effectively calculate the sparse time-frequency spectra of field data and avoid the use of field training labels. To test the availability of the suggested KD-SSTNet, we apply it to field data to estimate seismic attenuation for reservoir characterization and make detailed comparisons with the traditional time-frequency analysis methods.

关键词： S transform Deep learning Knowledge distillation Transfer learning Seismic attenuation delineation

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There is more to the knee joint than just the quadriceps:A systematic review with meta-analysis and evidence gap map of hamstring strength,flexibility,and morphology in individuals with gradual-onset knee disorders

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Journal of Sport and health Science 2024年第4期13卷 521-536页

作者： Helder S.Lopes Marina C.Waiteman Liliam B.Priore Neal R.Glaviano David M.Bazett-Jones Ronaldo V.Briani Fabio M.Azevedo school of Science and Technology Physical Therapy DepartmentSao Paulo State University(UNESP)Presidente Prudente 19060-900Brazil Department of Kinesiology College of AgricultureHealth and Natural ResourcesUniversity of ConnecticutStorrsCT 06269USA school of Exercise and Rehabilitation Sciences College of Health and Human ServicesUniversity of ToledoToledoOH 43606USA

Background:Impairments in hamstring strength,flexibility,and morphology have been associated with altered knee biomechanics,pain,and *** the presence of these impairments in individuals with gradual-onset knee disorders is important and may indicate targets for assessment and *** systematic review aimed to synthesize the literature to determine the presence of impairments in hamstring strength,flexibility,and morphology in individuals with gradual-onset knee ***:Five databases(MEDLINE,Embase,CINAHL,SPORTDiscus,and Web of Science)were searched from inception to September *** studies comparing hamstring outcomes(e.g.,strength,flexibility,and/or morphology)between individuals with gradual-onset knee disorders and their unaffected limbs or pain-free controls were ***-analyses for each knee disorder were ***-level certainty was assessed using the Grading of Recommendations Assessment,development,and Evaluation,and evidence gap maps were ***:Seventy-nine studies across 4 different gradual-onset knee disorders(i.e.,knee osteoarthritis(OA),patellofemoral pain(PFP),chondromalacia patellae,and patellar tendinopathy)were *** with knee OA presented with reduced hamstring strength compared to pain-free controls during isometric(standard mean difference(SMD)=-0.76,95%confidence interval(95%CI):-1.32 to-0.21)and concentric contractions(SMD=-0.97,95%CI:-1.49 to-0.45).Individuals with PFP presented with reduced hamstring strength compared to painfree controls during isometric(SMD=-0.48,95%CI:-0.82 to-0.14),concentric(SMD=-1.07,95%CI:-2.08 to-0.06),and eccentric contractions(SMD=-0.59,95%CI:-0.97 to-0.21).No differences were observed in individuals with patellar *** with PFP presented with reduced hamstring flexibility when compared to pain-free controls(SMD=-0.76,95%CI:-1.15 to-0.36).Evidence gap maps identified insufficient evidence for chondromalacia patel

关键词： Chondromalacia patellae Knee flexors Knee osteoarthritis Patellar tendinopathy Patellofemoral pain

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