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Design Method for Optimizing the Interactive Interface of Live Broadcasting Platform for the Elderly Users 被引量:1
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作者 WEI Bi-ze FAN Wei DUAN Ying-ke 《印刷与数字媒体技术研究》 CAS 北大核心 2024年第4期167-178,共12页
In the era of network live broadcasting for everyone,the development of live broadcasting platforms is also more intelligent and diversified.However,in the face of a large group of elderly users,the interface interact... In the era of network live broadcasting for everyone,the development of live broadcasting platforms is also more intelligent and diversified.However,in the face of a large group of elderly users,the interface interaction design mode used is still mainly based on the interaction mode for young groups,and is not designed for elderly users.Therefore,a design method for optimizing the interaction interface of live broadcasting platform for elderly users was proposed in this study.Firstly,the case study method and Delphi expert survey method were used to determine the design needs of elderly users and the design mode was analysed.Secondly,the orthogonal design principle was used to design a test sample of the interactive interface of live broadcasting platform applicable for the elderly users,and then a user evaluation system was established to calculate the weights of the design elements using hierarchical analysis,and then the predictive relationship between the design mode of the interactive interface of live broadcasting platform and the elderly users was established by Quantitative Theory I.Finally,Genetic Algorithm was applied to generate the optimized design scheme.The results showed that the design method based on the Genetic Algorithm and the combination of Quantitative Theory can scientifically and effectively optimize the design of the interactive interface of the live broadcasting platform for the elderly users,and improve the experience of the elderly users. 展开更多
关键词 Live broadcasting platform Interaction design elderly users Genetic Algorithm Quantitative Theory I
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PCI compared with medical therapy in elderly patients with chronic symptomatic coronary artery disease
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作者 刘晓堃 傅向华 马宁 《介入放射学杂志》 CSCD 2003年第S1期150-151,共2页
Objective The aim of this study was to assess quality of results of elderly patients with coronary disease after medical or revascularisation therapy. Methods In this study, we enrolled 103 patients aged 75 years or o... Objective The aim of this study was to assess quality of results of elderly patients with coronary disease after medical or revascularisation therapy. Methods In this study, we enrolled 103 patients aged 75 years or older with chronic angina in which 47 patients were assigned coronary angiography and revascularisation and 56 patients with optimised medical therapy. The primary endpoint was quality of life after 6 months, as assessed by questionnaire and the presence of major adverse cardiac events (death, non fatal myocardial infarction, or hospital admission for acute coronary syndrome with or without the need for revascularisation). Results After 6 months follow up, angina severity decreased and measures of quality of life increased in both treatment groups( P <0.05 ); however, these improvements were significantly greater after revascularisation( P <0.01 ). Major adverse cardiac events occurred in 30 ( 53.6% ) of patients in the medical group and 9 ( 19.1% ) in the invasive group ( P <0.01 ).Conclusions Patients aged 75 years or older with angina benefit more from revascularisation than from optimised medical therapy in terms of symptom relief and quality of life. Therefore, these patients should be offered invasive assessment despite their high risk profile followed by revascularisation if feasible. 展开更多
关键词 PCI compared with medical therapy in elderly patients with chronic symptomatic coronary artery disease 河北医科大学第二医院 in with
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A phase Ⅳ study of homoharringtonine, cytarabine, aclacinomycin and G-CSF(HCAG) regimen compared with traditional IA regimen in the treatment of newly diagnosed elderly acute myeloid leukemia patients 被引量:1
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作者 刘钊 张赟翔 +12 位作者 王丽宁 XIA Zheng MAO Yuan-fei ZHAO Hui-jin YOU Jian-hua YU Yang ZHAO Yu-bing REN Yu-hong LI Ya WANG Yan CHEN Qiu-sheng 李军民 陈瑜 《上海交通大学学报(医学版)》 CSCD 北大核心 2017年第8期1100-1105,共6页
Objective · To compare the efficacy and prognostic factors of HCAG regimen with traditional IA regimen in the treatment of newly diagnosed elderly acute myeloid leukemia(AML) patients. Methods · Forty-one pa... Objective · To compare the efficacy and prognostic factors of HCAG regimen with traditional IA regimen in the treatment of newly diagnosed elderly acute myeloid leukemia(AML) patients. Methods · Forty-one patients with AML(aged 55-71 years) were randomly divided into two groups(Group HCAG and Group IA) between 2014 and 2016 for induction and consolidation therapy. Multivariate analysis was applied to identify prognostic factors for relapse-free survival(RFS). Results · A total of 29 patients(70.7%) achieved complete remission(CR). The estimated 2-year overall survival(OS) was 66.8% in Group HCAG and 75.4% in Group IA(P=0.913). The estimated 2-year RFS was 61.8% in Group HCAG and 49.1% in Group IA(P=0.411). Age remained as the unfavorable prognostic factor, leading to significant differences in OS and RFS. In addition, RFS was influenced by cytogenetic/molecular risk stratification. Conclusion · Although HCAG seemed not to particularly benefit the group, the dose reduction of anthracyclines may be applied in elderly patients with comparable short-time outcome. Furthermore, the introduction of homoharringtonine resulted in an improvement of treatment response for more than 20% compared with CAG regimen. 展开更多
关键词 HOMOHARRINGTONINE long-term survival risk factors acute myeloid leukemia elderly patient
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Reform and Reconstruction of the Rural Elderly Care Service System in the New Era
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作者 Han Jiangfeng 《学术界》 CSSCI 北大核心 2018年第11期238-249,共12页
With decades of hard work,socialism with Chinese characteristics has crossed the threshold into a new era.The transformation of the principal contradiction in the new era has imposed new and higher requirements on the... With decades of hard work,socialism with Chinese characteristics has crossed the threshold into a new era.The transformation of the principal contradiction in the new era has imposed new and higher requirements on the rural elderly care service system.However,the current service system based on welfare-multiplex and urban community environment is often difficult to operate in the rural areas of central and western China.And the urban home care service for the aged is inappropriate to the rural reality;community service for the aged faces difficulties in practice;institution care for the aged develops slowly;the synergy among different elderly care service models is poor.Through observing the rural areas of central and western China in the field for a long time,this paper proposes to build the rural elderly care service system based on family supporting,supported by community mutual assistance care,supplemented by institution care for the aged,combined with medical care,and localized with diversified forms for targeted groups according to different realities.And the system should follow the fundamental guidance of development-oriented family policy,adhere to the governance mode of multiple subjects with one core and respect rural reality,which could provide a feasible way for the reform and reconstruction of the rural elderly care service system. 展开更多
关键词 new era development-oriented family policy GOVERNANCE mode of multiple SUBJECTS with one core the RURAL elderly CARE service system
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The fever rate and the risk factors in elderly patients who underwent transcatheter aortic vavle implantation and the recent clinical outcomes
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作者 Xiuying Yan Ying Wu 《中国循环杂志》 CSCD 北大核心 2018年第S01期173-174,共2页
Objective To investigate the old patients with aortic stenosis after transcatheter aortic valve implantation (TAVI) heating conditions,including the incidence of fever, heating time, risk factors, and the recent clini... Objective To investigate the old patients with aortic stenosis after transcatheter aortic valve implantation (TAVI) heating conditions,including the incidence of fever, heating time, risk factors, and the recent clinical outcomes, as TAVI postoperative fever prevention measures,provide clinical basis for the establishment of nursing standard. 展开更多
关键词 elderly patients the RECENT clinical outcomes TAVI
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Hyperuricemia predicted adverse outcomes in very elderly patients with non-valvular atrial fibrillation
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作者 Nan Cheng Aimin Dang 《中国循环杂志》 CSCD 北大核心 2018年第S01期146-146,共1页
Objective Elevated serum uric acid predicts poor outcomes in patients with cardiovascular disease.We aimed to examine associations between hyperuricemia and clinical outcomes among very elderly patients with non-valvu... Objective Elevated serum uric acid predicts poor outcomes in patients with cardiovascular disease.We aimed to examine associations between hyperuricemia and clinical outcomes among very elderly patients with non-valvular atrial fibrillation(NVAF).Methods Elderly patients(≥80 years)with NVAF admitted to our hospital from January 2009 to December 2015 were retrospectively studied and were followed up until April 2017. 展开更多
关键词 CARDIOVASCULAR disease non-valvular ATRIAL FIBRILLATION elderly PATIENTS
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Changes and Development of Home and Community Based Elderly Care Service Policies in China
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作者 Wu Li 《学术界》 CSSCI 北大核心 2020年第8期226-233,共8页
This paper analyzes the current situation of the development of home and community based elderly care service in China,points out the existing problems,and puts forward improvement measures,aiming to deepen the unders... This paper analyzes the current situation of the development of home and community based elderly care service in China,points out the existing problems,and puts forward improvement measures,aiming to deepen the understanding of HCBS and promote the theoretical research and practice of community home-based elderly care service. 展开更多
关键词 home and community based elderly care service policy change DEVELOPMENT
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Prevalence and control of hypertension in the elderly:results from China hypertension survey,2012-2015 被引量:3
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作者 Zengwu Wang Suning Li +7 位作者 Linfeng Zhang Xin Wang ZuoChen Ying Dong Congyi Zheng Jiali Wang Yuting Kang Runlin Gao 《中国循环杂志》 CSCD 北大核心 2018年第S01期113-113,共1页
Objective To evaluate the prevalence,awareness,treatment and control rate of hypertension among elder population in China.Methods Data form a cross-sectional stratified multistage random sampling survey conducted from... Objective To evaluate the prevalence,awareness,treatment and control rate of hypertension among elder population in China.Methods Data form a cross-sectional stratified multistage random sampling survey conducted from 2012 to 2015 were used to analyzed.Finally,a total of 134,397 participants aged≥60 years were enrolled in our study.Hypertension was defined as systolic BP≥140 mmHg,and/or diastolic BP≥90 mmHg,and/or use of antihypertensive medicine within 2 weeks.Among participants with hypertension,control rate of hypertension was defined as the participant presenting as hypertensive,but with a systolic BP measure less than 140 mm Hg and diastolic BP measure less than 90 mm Hg. 展开更多
关键词 PREVALENCE AWARENESS treatment control ELDER POPULATION
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听力障碍筛查量表用于老年人群听力筛查分析 被引量:24
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作者 胡娴亭 黄治物 +7 位作者 陈建勇 梅玲 李蕴 任燕 唐职健 沈敏 张勤 吴皓 《听力学及言语疾病杂志》 CAS CSCD 北大核心 2014年第3期230-234,共5页
目的探讨中文版老年听力障碍筛查量表(the hearing handicap inventory for the elderly-screening version,HHIE-S)用于老年人群听力筛查的可行性及实用性。方法随机选取840例年龄大于60周岁的老年人,先自行填写HHIE-S量表,然后在工作... 目的探讨中文版老年听力障碍筛查量表(the hearing handicap inventory for the elderly-screening version,HHIE-S)用于老年人群听力筛查的可行性及实用性。方法随机选取840例年龄大于60周岁的老年人,先自行填写HHIE-S量表,然后在工作人员指导下再次填写,对比指导前后HHIE-S量表的得分,计算指导后量表的信度Cronbach'sα值,判断量表的可行性;所有填表者均进行0.5、1.0、2.0、4.0kHz纯音听阈测试,计算平均纯音听阈(PTA)值,比较筛查目标听力损失分别设定为PTA>25dB HL、PTA>40dB HL、PTA>60dB HL时,HHIE-S得分>8分与>10分及指导前后所填量表的灵敏度、特异度、阳性预测值、假阳性率及假阴性率,并根据ROC曲线及曲线下面积值(AUC),判断三种目标听力损失时量表的实用性。结果 840例老年人指导前后HHIE-S量表平均得分分别为7.6±10.6和10.8±16.7分(P<0.01),指导后量表的Cronbach'sα值为0.85;以HHIE-S>8分作为听力障碍判断标准时较HHIE-S>10分灵敏度高,假阴性率低(P<0.05);指导后且以HHIE-S>8分时PTA>25dB HL、PTA>40dB HL及PTA>60dB HL三种听力损失条件下ROC曲线下面积值分别为0.70±0.03、0.84±0.01及0.88±0.02。结论适当指导后,HHIE-S量表用于老年人听力筛查得分>8分即可认为存在听力障碍,目标听力损失为PTA>40dB HL时,HHIE-S量表的实用性强,汉化版HHIE-S量表可作为老年人群听力障碍有效的筛查方式。 展开更多
关键词 老年性聋 老年听力障碍筛查量表 听力筛查 HEARING HANDICAP inventory for the elderly -screening version (HHIE-S)
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Analysis and Research on Information Design of the Smart Community Pension Service 被引量:2
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作者 Chen Hao 《学术界》 CSSCI 北大核心 2018年第8期268-280,共13页
In the research on the smart community pension service,it is found that the problems encountered in the promotion of the smart pension can not be solved in the short term because of the lack of information and the acc... In the research on the smart community pension service,it is found that the problems encountered in the promotion of the smart pension can not be solved in the short term because of the lack of information and the acceptance of the intelligent products by the elderly. This paper puts forward the research ideas based on the cognitive characteristics and demand prediction of the specific population. Focusing on the research on the pension needs of people born in the 1960 s or 1970 s,it provides support for the solution of smart pension services in the peak period of aging population in the future. 展开更多
关键词 SMART COMMUNITY PENSION needs COGNITION of the elderly information design DEMAND forecasting
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Role of glycogen synathese kinase-3β in Alzheimer-like neurodegeneration
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作者 WANG Jian-zhi(Department of Pathophysiology,Key Laboratory of Education Committee on Neurological Disorders,Tongji Medical College,Huazhong University of Science and Technology,Wuhan 430030,China) 《中国病理生理杂志》 CAS CSCD 北大核心 2010年第A10期1947-1947,共1页
Hyperphosphorylated tau in the form of paired helical filament is the major protein component of neurofibrillary tangle,which is positively correlated with the degree of dementia in patients with Alzheimer disease(AD)... Hyperphosphorylated tau in the form of paired helical filament is the major protein component of neurofibrillary tangle,which is positively correlated with the degree of dementia in patients with Alzheimer disease(AD),the most common cause of dementia in the elderly.Activation of protein kinases or/and inhibition of protein phosphatases is responsible for tau hyperphosphorylation.Among various kinases,glycogen 展开更多
关键词 GLYCOGEN TANGLE elderly paired positively filament helical SYNAPTIC INTRACELLULAR Activation
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我国老年长期照护制度筹资模式研究
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《中国卫生政策研究》 CSCD 北大核心 2016年第7期40-40,共1页
过去几十年来,我国长期照护筹资虽然一直处于增长状态,但增长幅度较小,难以满足众多老年人口的需求,亟需对当前的筹资模式进行改革。2016年7月,《Health Policy and Planning》杂志发表了题为“Financing institutional long-term care ... 过去几十年来,我国长期照护筹资虽然一直处于增长状态,但增长幅度较小,难以满足众多老年人口的需求,亟需对当前的筹资模式进行改革。2016年7月,《Health Policy and Planning》杂志发表了题为“Financing institutional long-term care for the elderly in China:a policy evaluation of new models”的文章, 展开更多
关键词 筹资模式 老年人口 增长状态 INSTITUTIONAL 护理保险 十年 elderly 支付方式 医疗保险模式 筹资机制
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两个三角恒等式及Euler公式的推广
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作者 侯林波 《贵州师范大学学报(自然科学版)》 CAS 2007年第1期85-87,共3页
第一部分给出两个三角恒等式及其证明,然后应用它给出了微分几何中平均曲率的一个重要结果及其证明;第二部分对E3中的一些概念在En中进行了平行推广,再将E3中的Eu ler公式κn(θ)=κ1cos2θ+κ2sin2θ推广到En中,得到En中关于平均曲率... 第一部分给出两个三角恒等式及其证明,然后应用它给出了微分几何中平均曲率的一个重要结果及其证明;第二部分对E3中的一些概念在En中进行了平行推广,再将E3中的Eu ler公式κn(θ)=κ1cos2θ+κ2sin2θ推广到En中,得到En中关于平均曲率积分与法曲率积分相关的关系式。 展开更多
关键词 法曲率 主曲率 平均曲率 主方向 ELder公式
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