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Analysis of Clinical and Imaging Characteristics of Suspected and Confirmed COVID-19 Patients

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Journal of Clinical and Nursing Research 2022年第1期6卷 10-14页

作者： Lijun chen Wang Xu Jing Liu Huifang Zhang juanxia chen Xiaoyong Ma Department of Respiratory and Critical Care Medicine Second Affiliated Hospital of Ningxia Medical University(The First People’s Hospital of Yinchuan)Yinchuan 750000Ningxia Hui Autonomous RegionChina Department of Critical Care Medicine Second Affiliated Hospital of Ningxia Medical University(The First People’s Hospital of Yinchuan)Yinchuan 750000Ningxia Hui Autonomous RegionChina Department of Traditional Chinese Medicine General Hospital of Ningxia Medical UniversityYinchuan 750000Ningxia Hui Autonomous RegionChina

Objective:To analyze the clinical characteristics and chest CT imaging characteristics of patients with confirmed COVID-19(COVID-19)and patients with suspected ***:The study time span was from February 2020 to May *** case samples were selected from 72 patients with confirmed covid-19 and suspected covid-19 diagnosed and treated by The First People’s Hospital of Yinchuan and Yinchuan Temporary Emergency Hospital,including 38 patients with confirmed covid-19 and 34 patients with suspected *** patients underwent laboratory examination and chest CT examination,and the specific examination results were compared and ***:There were significant differences in number of white blood cell,percentage of lymphocytes,creatine kinase and erythrocyte sedimentation rate between confirmed and suspected COVID-19 patients(P<0.05).The CT imaging characteristics of COVID-19 patients were compared with those of suspected COVID-19 *** lesions of COVID-19 patients were mostly characterized by mixed ground glass density and pure ground glass *** were vascular thickening and interstitial thickness increase,and accompanied by bronchiectasis or air *** distribution of lesions was mostly subpleural without pleural *** lesion area of suspected COVID-19 patients mostly showed solid density and mixed ground glass *** lesion was distributed along bronchovascular and pleural effusion was ***:There are some differences in biochemical indexes and chest CT images between confirmed and suspected covid-19 patients,which can be used for differential diagnosis.

关键词： Suspected Diagnosis COVID-19 biochemical indexes Chest CT image

Analysis on the Clinical Characteristics of 10 Cases of Asymptomatic SARS-CoV-2 Novel Coronavirus Infection

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Proceedings of Anticancer Research 2021年第1期5卷 6-9页

作者： Lijun chen Xiaoyong Ma juanxia chen Liting Ma Department of Respiratory and Critical Care Medicine Second Affiliated Hospital of Ningxia Medical University(The First People's Hospital of Yinchuan)Yinchuan 750001Ningxia ProvinceChina Department of Traditional Chinese Medicine General Hospital of Ningxia Medical UniversityYinchuan 750004Ningxia ProvinceChina

Objective:To analyze the clinical features of asymptomatic patients infected with the SARS-CoV-2 novel ***:The clinical data of 10 asymptomatic cases and 12 symptomatic cases of COVID-19 diagnosed during February 2020 to April 2020 was collected and the clinical features of the two groups of patients were ***:10 cases of asymptomatic infection and 12 cases of symptomatic patients were tested positive for the novel coronavirus nucleic acid *** was no significant difference in gender distribution between the two groups(P>0.05);the average age of patients in the asymptomatic group was lower than that of the symptomatic group(P0.05),and there was no statistically significant difference in mortality between the two groups(P>0.05).Conclusion:The average age of asymptomatic novel coronavirus infections was lower than that of confirmed cases of COVID-19,mainly among young *** was no significant difference in clinical classification,mortality and chest CT examination results between symptomatic and asymptomatic cases.

关键词： Novel coronavirus pneumonia Asympt-omatic infection Clinical features

成年心房肌细胞的原代培养 Ⅰ.成年大鼠心房肌细胞肌原纤维及微管的动态变化

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湖南医学院学报 1988年第1期 1-5页

作者：郭娟霞陈庆林湖南医学院组织学与胚胎学教研室

分离成年雄性SD大鼠的心房肌细胞,原代培养。用免疫荧光法示肌动蛋白、肌球蛋白及微管蛋白,发现肌原纤维光解聚成肌动蛋白与肌球蛋白,继之组成肌动蛋白性肌丝束网,然后从网的中段向两侧组装肌节,最终重组成扁平形肌原纤维网。微管的动... 详细信息

分离成年雄性SD大鼠的心房肌细胞,原代培养。用免疫荧光法示肌动蛋白、肌球蛋白及微管蛋白,发现肌原纤维光解聚成肌动蛋白与肌球蛋白,继之组成肌动蛋白性肌丝束网,然后从网的中段向两侧组装肌节,最终重组成扁平形肌原纤维网。微管的动态变化包括解聚成微管蛋白及重组成扁平形微管网。重点讨论了去分化与再分化问题。

关键词：心房心肌细胞培养的荧光抗体技术肌动蛋白类肌球蛋白肌原纤维微管蛋白微管细胞分化大鼠

Epidemiological Analysis of Asymptomatic SARS-CoV-2 Novel Coronavirus Infection Cases in Yinchuan City of Ningxia

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Journal of Clinical and Nursing Research 2021年第1期5卷 5-8页

作者： Lijun chen Wang Xu juanxia chen Chunyan Xia Liang Xie Department of Respiratory and Critical Care Medicine Second Affiliated Hospital of Ningxia Medical University(The First People's Hospital of Yinchuan)Yinchuan 750001Ningxia ProvinceChina Department of Critical Care Medicine Yongning People's HospitalYinchuan 750100Ningxia ProvinceChina

Objective:To analyze the epidemiological characteristics of asymptomatic SARS-CoV-2 novel coronavirus infection cases in Yinchuan City,***:Cases of asymptomatic SARSCoV-2 novel coronavirus infections discovered in Yinchuan City from February 2020 to April 2020 were taken as the research subjects,epidemiological and laboratory examination data were collected,and statistics and analysis were ***:Among the 10 cases of asymptomatic infection,6 were males and 4 were females,with an average age of(34.3±2.1)years;2 cases had a history of living in Hubei,8 cases had a history of close contact with confirmed cases;6 cases had no other underlying diseases while the other 4 cases were accompanied by one or more underlying diseases;6 cases were diagnosed as asymptomatic infection by serum-specific IgM antibody detection;4 cases were diagnosed as asymptomatic infection by throat swab testing;there were 4 cases with alanine base transferase level higher than the normal range,2 cases with aspartate aminotransferase level higher than the normal range,and 3 cases with D-dimer level out of the normal ***:The asymptomatic SARS-CoV-2 novel coronavirus infection has certain clinical characteristics;it is infectious and has insidious *** if medical observation is dismissed,monitoring is still needed to prevent the pandemic from rebounding.

关键词： Yinchuan City of Ningxia COVID-19 Asymptomatic infection Epidemiological characteristics

成年心房肌细胞的原代培养 Ⅱ.成年人心房肌细胞的培养行为

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湖南医学院学报 1988年第3期 205-208页

作者：郭绢霞陈庆林湖南医学院组织学与胚胎学教研室

从14名成年心脏手术病人取右心房的心耳,分离出心房肌细胞。原代培养维特期为8周。此期内细胞从在体时的长形变成圆形、贴壁、变扁及铺开。在变圆过程中微管及肌原纤维解聚,自发性收缩停止。在铺开过程中(约2周)二者重组且再现自发性收... 详细信息

从14名成年心脏手术病人取右心房的心耳,分离出心房肌细胞。原代培养维特期为8周。此期内细胞从在体时的长形变成圆形、贴壁、变扁及铺开。在变圆过程中微管及肌原纤维解聚,自发性收缩停止。在铺开过程中(约2周)二者重组且再现自发性收缩。全铺开细胞存活2—4周而无自发性收缩。讨论了自发性收缩两度出现及停止的生物学意义。

关键词：心房心肌细胞,培养的荧光抗体技术肌动蛋白肌球蛋白肌原纤维微管蛋白微管细胞分化人类

白三叶入侵对草地早熟禾功能性状及草坪质量的影响

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西北植物学报 2024年第7期44卷 1073-1082页

作者：李萍白小明陈鑫冉福李娟霞陈辉甘肃农业大学草业学院草业生态系统教育部重点实验室甘肃省草业工程实验室中-美草地畜牧业可持续发展研究中心兰州730070

【目的】白三叶入侵会挤占草坪草的生存空间,严重威胁草坪的质量和功能。明晰白三叶入侵对草坪植物草地早熟禾功能性状及草坪质量的影响,可深入了解白三叶入侵机制,为禾本科草坪的建植养护提供理论依据。【方法】以白三叶入侵草地早熟... 详细信息

【目的】白三叶入侵会挤占草坪草的生存空间,严重威胁草坪的质量和功能。明晰白三叶入侵对草坪植物草地早熟禾功能性状及草坪质量的影响,可深入了解白三叶入侵机制,为禾本科草坪的建植养护提供理论依据。【方法】以白三叶入侵草地早熟禾草坪为对象,采用样地调查方法考察不同白三叶入侵程度(对照及轻度、中度、重度入侵)下草地早熟禾功能性状及草坪质量的差异,并通过隶属函数法综合评价各入侵程度下草坪质量。【结果】(1)随白三叶入侵程度的增加,草地早熟禾各器官碳含量、叶片建成成本及碳氮比、碳磷比和氮磷比逐渐降低,而比叶面积、各器官氮和磷含量增大。(2)同一入侵程度下,草地早熟禾各器官碳、氮和磷含量均表现为叶大于根和茎,碳氮比和碳磷比表现为根和茎大于叶,而其氮磷比表现为茎和叶大于根。(3)随白三叶入侵程度的增加,草地早熟禾草坪密度、质地、绿度指数和均一性降低,而地上生物量和地下生物量增大。(4)隶属函数法综合评价结果显示,草坪质量以白三叶未入侵时最优,重度入侵时最差,且叶碳含量对草坪质量的影响最大。【结论】白三叶入侵改变了草地早熟禾功能性状,降低了入侵区草坪质量,严重影响了草坪景观和功能。

关键词：植物入侵白三叶草地早熟禾植物功能性状草坪质量

银川市≥40岁人群慢性阻塞性肺疾病流行病学数据更新及启示

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中华健康管理学杂志 2023年第12期17卷 893-898页

作者：陈丽君刘美芳张慧芳陈娟霞刘艳红马晓勇宁夏医科大学第二附属医院(银川市第一人民医院)呼吸与危重症医学科银川750001 宁夏医科大学总医院中医科银川750004

目的调查更新近10年银川市≥40岁人群慢性阻塞性肺疾病(慢阻肺)的流行病学数据。方法本研究为横断面研究,于2019年4月至2022年12月采用多阶段分层整群抽样的方法对银川市三区两县一市≥40岁居民进行问卷调查和身体测量。本次调查抽取14... 详细信息

目的调查更新近10年银川市≥40岁人群慢性阻塞性肺疾病(慢阻肺)的流行病学数据。方法本研究为横断面研究,于2019年4月至2022年12月采用多阶段分层整群抽样的方法对银川市三区两县一市≥40岁居民进行问卷调查和身体测量。本次调查抽取14666例,最终11547例肺功能测量合格和问卷调查完整并纳入分析,获取调查对象的基本资料、疾病相关因素暴露情况、慢阻肺相关症状、疾病知晓率和肺功能检查率,采用logistic回归分析慢阻肺的危险因素。结果共11547例纳入研究,检出慢阻肺患者1841例,慢阻肺总体患病率为15.9%。男性患病率(18.6%)高于女性(12.9%);城市患病率(17.3%)高于农村(14.7%);现吸烟人群患病率(24.4%)、曾吸烟人群患病率(24.6%)均高于不吸烟人群(13.0%)(均P<0.001)。40~49岁、50~59岁、60~69岁、≥70岁人群患病率分别为11.7%、12.9%、16.9%、24.6%,随着年龄增长慢阻肺患病率呈现逐渐增高的趋势(P<0.001)。10.5%的慢阻肺患者表示知晓本病、17.4%的患者曾经做过肺功能检查。logistic回归分析结果表明:慢阻肺危险因素包括男性、高龄、居住于城区、低文化水平、现吸烟史、曾经吸烟史、二手烟接触史、低体重、生物质燃料使用史、呼吸系统疾病家族史。结论银川市≥40岁人群慢阻肺患病率较10年前明显升高,且高于全国数据,但疾病知晓率低,积极干预危险因素并加强宣教是防治该病的重要措施。

关键词：肺疾病,慢性阻塞性流行病学方法患病率危险因素调查数据更新

慢性乙型病毒性肝炎合并非酒精性脂肪肝病的研究进展

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临床医学研究与实践 2024年第2期9卷 188-194页

作者：陈馨悦王娟霞兰州大学第二临床医学院甘肃兰州730030 兰州大学第二医院感染性疾病科甘肃兰州730030

长期的慢性乙型病毒性肝炎(CHB)会逐渐进展为肝硬化、肝癌等危及患者生命的疾病。近年来,随着人们生活方式的改变,非酒精性脂肪肝病(NAFLD)发病率呈上升趋势。因此,同时患有这两种疾病的患者比例也在不断增加。本文就CHB合并NAFLD患者... 详细信息

长期的慢性乙型病毒性肝炎(CHB)会逐渐进展为肝硬化、肝癌等危及患者生命的疾病。近年来,随着人们生活方式的改变,非酒精性脂肪肝病(NAFLD)发病率呈上升趋势。因此,同时患有这两种疾病的患者比例也在不断增加。本文就CHB合并NAFLD患者的流行病学现状、发病机制、肝脏纤维化程度的进展情况、肝癌的发生、无创诊断疾病进展的分子标志物及治疗现状等研究进行了综述,为该病预防及诊治提供一定的理论基础。

关键词：慢性乙型病毒性肝炎非酒精性脂肪肝病乙型肝炎病毒

城市污水处理厂中邻苯二甲酸酯的分布规律及去除途径

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黑龙江环境通报 2024年第1期37卷 16-18页

作者：陈其胜薛娟霞甘肃省白银生态环境监测中心甘肃白银730900

城市污水处理厂中邻苯二甲酸酯又称酞酸酯,缩写PAEs,是一类常见的有机污染物,主要来源于塑料制品、化妆品、医疗器械等生活用品的使用和排放。这些物质具有潜在的环境和健康风险,因此需要在污水处理过程中有效去除。本文探讨解决这一有... 详细信息

城市污水处理厂中邻苯二甲酸酯又称酞酸酯,缩写PAEs,是一类常见的有机污染物,主要来源于塑料制品、化妆品、医疗器械等生活用品的使用和排放。这些物质具有潜在的环境和健康风险,因此需要在污水处理过程中有效去除。本文探讨解决这一有机污染物在城市污水处理中的问题,从而减少其对环境和健康的潜在威胁。

关键词：城市污水处理厂邻苯二甲酸酯分布规律去除途径