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蒽酮比色法快速测定大麦叶片中可溶性糖含量的优化 被引量:95
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作者 张述伟 宗营杰 +5 位作者 方春燕 黄赛华 李静 许建华 王亦菲 刘成洪 《食品研究与开发》 CAS 北大核心 2020年第7期196-200,共5页
以大麦嫩苗鲜叶为试验材料,对经典蒽酮比色法反应体系中蒽酮及硫酸的用量、反应温度、反应时间、样品提取时间以及叶片取样部位等条件进行优化研究。结果表明,对蒽酮硫酸反应体系进行优化后的条件为:最佳蒽酮用量为100μL、浓硫酸为1 00... 以大麦嫩苗鲜叶为试验材料,对经典蒽酮比色法反应体系中蒽酮及硫酸的用量、反应温度、反应时间、样品提取时间以及叶片取样部位等条件进行优化研究。结果表明,对蒽酮硫酸反应体系进行优化后的条件为:最佳蒽酮用量为100μL、浓硫酸为1 000μL;显色反应温度为100℃,最佳反应时间7 min;样品提取时间以沸水浴10 min为宜;大麦叶片取样部位以倒二叶顶部较为合适。该方法操作简单、快速、实用性强,可为植物样品可溶性糖指标快速筛选提供有效的参考价值。 展开更多
关键词 大麦 可溶性糖 蒽酮法 反应体系 微孔板
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油菜育种行业创新动态与发展趋势 被引量:44
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作者 范成明 田建华 +7 位作者 胡赞民 王珏 吕慧颖 葛毅强 魏珣 邓向东 张蕾颖 杨维才 《植物遗传资源学报》 CAS CSCD 北大核心 2018年第3期447-454,共8页
油菜是我国重要的油料作物,常年种植面积约1亿亩,每年可生产约450万t菜籽油,占国内植物油总消费量的19.7%。与发达国家相比,我国油菜产业主要问题是产量低、品质差,年进口油菜籽约500万t。油菜基因组测序的完成,极大地推动了油菜育种行... 油菜是我国重要的油料作物,常年种植面积约1亿亩,每年可生产约450万t菜籽油,占国内植物油总消费量的19.7%。与发达国家相比,我国油菜产业主要问题是产量低、品质差,年进口油菜籽约500万t。油菜基因组测序的完成,极大地推动了油菜育种行业的科研工作。据统计(Web of Science检索),2017年与油菜育种相关的SCI论文共有728篇,其中完全由中国学者完成的181篇,与其他国家合作完成的62篇,合计约占全世界的33.38%,但高水平论文数量还有待提高。2017年的研究进展主要集中在油菜籽含油量及品质、油菜籽产量、基因组驯化、雄性不育、非生物胁迫及抗病育种等方面。这些成果将积极地推动油菜育种产业的高产、优质及多元化发展,为我国油菜分子设计育种的实现提供了重要的理论基础。 展开更多
关键词 油菜 育种 遗传改良 基因组 分子标记 基因功能 基因编辑
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“以学生为中心”的本科教学质量“四维”评价 被引量:42
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作者 邬大光 胡建华 +5 位作者 陆根书 张男星 洪艺敏 薛彦华 操太圣 程莹 《大学教育科学》 CSSCI 北大核心 2019年第2期4-20,122,共18页
重视本科教育、注重质量提升是世界高等教育改革发展的重要趋势。高校办学的质量与高校内部管理密不可分。我国高校的内部治理制度和机制,主要是采用"工分制"的绩效管理方式,这与学术文化、一流大学的学术价值以及推进内涵式... 重视本科教育、注重质量提升是世界高等教育改革发展的重要趋势。高校办学的质量与高校内部管理密不可分。我国高校的内部治理制度和机制,主要是采用"工分制"的绩效管理方式,这与学术文化、一流大学的学术价值以及推进内涵式发展的大学理念相背离。不同层次高校应该有更明确的办学定位和人才培养目标;要进一步加强本科教育质量保障体系建设,采取有力举措促进本科教育特色发展。专业教育质量是大学办学质量的重要组成部分,基于"学生为本、成果导向、持续改进"的OBE理念可以成为推动高校专业教育质量提升的思想、制度和文化力量。高校办学质量应体现在教师和学生的发展上。教师评价模式的选择应基于教师不同的专业水平,发展性功能才是教师评价的首要目标。"以学生为中心"的本科教学质量标准应该从学生对学习的投入度、教师对学生的学习影响度、学校对学生学习的支持度和学生的学习获得度等四个维度去设定。应密切关注学生课堂行为,学生在课堂上的座位选择、提问与回答以及非听课行为等都会影响教学质量。大学排名备受全社会关注,也给大学造成了压力,但这种压力并不源自排名,其实质上来自于大学为了获取更多资源或者维持原有资源状况所面临的竞争压力。大学理所当然不应追求排名位次,但无疑应当关注办学绩效和竞争力的提升。 展开更多
关键词 高等教育质量 教育评价 绩效管理 工分制 教师考核 本科教学 以学生为中心 大学排名
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De novo combined lamivudine and adefovir dipivoxil therapy vs entecavir monotherapy for hepatitis B virus-related decompensated cirrhosis 被引量:36
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作者 jiang-Shan Lian Lin-Yan Zeng +9 位作者 jian-Yang Chen Hong-Yu Jia yi-Min Zhang Dai-Rong Xiang Liang Yu jian-hua Hu ying-Feng Lu Ling Zheng Lan-Juan Li yi-Da Yang 《World Journal of Gastroenterology》 SCIE CAS 2013年第37期6278-6283,共6页
AIM:To compare efficacy of combined lamivudine(LAM)and adefovir dipivoxil(ADV)therapy with that of entecavir(ETV)monotherapy for hepatitis B virus(HBV)-related decompensated liver cirrhosis.METHODS:A total of 120 na v... AIM:To compare efficacy of combined lamivudine(LAM)and adefovir dipivoxil(ADV)therapy with that of entecavir(ETV)monotherapy for hepatitis B virus(HBV)-related decompensated liver cirrhosis.METHODS:A total of 120 na ve patients with HBVrelated decompensated cirrhosis participated in this study.Sixty patients were treated with combined LAM and ADV therapy(LAM+ADV group),while the other60 were treated with ETV monotherapy(ETV group)for two years.Tests for liver and kidney function,alpha-fetoprotein,HBV serum markers,HBV DNA load,prothrombin time(PT),and ultrasonography or computed tomography scan of the liver were performed every1 to 3 mo.Repeated measure ANOVA and theχ2test were performed to compare the efficacy,side effects,and the cumulative survival rates at 48 and 96 wk.RESULTS:Forty-five patients in each group were observed for 96 wk.No significant differences in HBV DNA negative rates and alanine aminotransferase(ALT)normalization rates at weeks 48(χ2=2.12 and 2.88)and96(χ2=3.21 and 3.24)between the two groups were observed.Hepatitis B e antigen seroconversion rate in the LAM+ADV group at week 96 was significantly higher in the ETV group(43.5%vs 36.4%,χ2=4.09,P<0.05).Viral breakthrough occurred in 2 cases(4.4%)by week 48 and in 3 cases(6.7%)by week 96 in the LAM+ADV group,and no viral mutation was detected.In the ETV group,viral breakthrough occurred in 1 case(2.2%)at the end of week 96.An increase in albumin(F=18.9 and 17.3),decrease in total bilirubin and in ALT(F=16.5,17.1 and 23.7,24.8),reduced PT(F=22.7 and 24.5),and improved Child-Turcotte-Pugh and the model for end-stage liver disease scores(F=18.5,17.8,and 24.2,23.8)were observed in both groups.The cumulative rates of mortality and liver transplantation were 16.7%(10/60)and 18.3%(11/60)in the LAM+ADV and ETV groups,respectively.CONCLUSION:Both LAM+ADV combination therapy and ETV monotherapy can effectively inhibit HBV replication,improve liver function,and decrease mortality. 展开更多
关键词 Chronic hepatitis B DECOMPENSATED liver cirrhosis LAMIVUDINE ADEFOVIR dipivoxil Combination THERAPY ENTECAVIR
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热敏灸治疗周围性面瘫(急性期)不同灸量的临床疗效观察 被引量:31
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作者 章海凤 宣逸尘 +6 位作者 黄建华 颜纯钏 许金水 王珏 陈树涛 潘毅 付勇 《中华中医药杂志》 CAS CSCD 北大核心 2019年第12期5990-5992,共3页
目的:比较热敏灸治疗周围性面瘫(急性期)不同灸量的临床疗效差异。方法:将90例周围性面瘫(急性期)患者随机分为个体化的消敏饱和灸量组(治疗组)、传统固定灸量组(对照A组)和单纯针刺组(对照B组),每组各30例。治疗组以热敏灸感消失为度,... 目的:比较热敏灸治疗周围性面瘫(急性期)不同灸量的临床疗效差异。方法:将90例周围性面瘫(急性期)患者随机分为个体化的消敏饱和灸量组(治疗组)、传统固定灸量组(对照A组)和单纯针刺组(对照B组),每组各30例。治疗组以热敏灸感消失为度,对照A组每次每穴灸15min,对照B组采用单纯针刺疗法,3组均治疗2个疗程,10d为1个疗程,两疗程间间隔1d,采用改良Portman评分进行疗效评价。结果:治疗后各组Portman评分较治疗前均显著升高(P<0.01);治疗组与对照A、B组比较,Portman评分均显著升高(P<0.05,P<0.01)。治疗组总有效率为93.33%,对照A、B组总有效率分别为86.67%、83.33%,治疗组总体临床疗效显著优于对照组A、B组(P<0.05,P<0.01)。结论:个体化消敏饱和灸量组治疗周围性面瘫疗效优于传统固定灸量组及单纯针刺组,消敏定量是热敏灸取得最佳疗效的关键因素之一。 展开更多
关键词 灸量 热敏灸 针刺 周围性面瘫 急性期 临床疗效
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基于2014~2019年监测数据对我国糖料蔗种植品种结构与趋势分析 被引量:25
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作者 胡朝晖 凌婉阳 +23 位作者 伍苏然 杨继铭 闫青云 旗尔 翟少萍 张天富 陈建华 李仕龙 罗春毅 黄有政 黄鸿锦 程方晓 娄永明 穆宗华 莫健强 贺勇 邓卫武 王英日 杨晓丽 卓越华 廖晨红 白亚东 陈开廉 王剑锋 《甘蔗糖业》 2020年第2期1-14,共14页
以全国甘蔗生产信息监测网中我国糖料蔗主产区种植品种相关监测数据为研究对象,分析了2014~2019年我国糖料蔗种植品种结构的状况与变化趋势。6年内,我国糖料蔗主产区主栽品种包括10个品系的78个品种,其中进入各监测县面积前4位的品种47... 以全国甘蔗生产信息监测网中我国糖料蔗主产区种植品种相关监测数据为研究对象,分析了2014~2019年我国糖料蔗种植品种结构的状况与变化趋势。6年内,我国糖料蔗主产区主栽品种包括10个品系的78个品种,其中进入各监测县面积前4位的品种47个,累计种植面积超过10万hm2的品种只有7个,其中ROC22是唯一面积达到百万公顷的品种。在不将ROC22纳入良种的情况下,当前我国的糖料蔗良种率依然偏低。在植品种多而杂、品种结构不尽合理、种植规划水平低是当前我国糖料蔗种植品种结构存在的普遍不足。但在一系列改革措施下,新良种得到快速推广,良种率逐年提高,品种结构不断改善成为趋势。就目前我国糖料蔗品种结构现状,本文提出了建立糖料蔗产业参与者合理利益分配机制、加大良种种植政策支持、加强育种科研创新和提升种植规划水平等建议,以期进一步优化我国糖料蔗种植品种结构,提高产业经济效益和社会效益。 展开更多
关键词 糖料蔗 糖料蔗品种 品种分布 主栽品种 品种结构
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我国脉石英资源现状分析 被引量:23
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作者 詹建华 王依 +2 位作者 陈正国 冯书文 陈军元 《中国非金属矿工业导刊》 2020年第5期1-4,共4页
国内外实际生产证明,脉石英可以替代水晶作为加工提纯高纯石英的原料。我国脉石英矿分布广泛但是局部稍有集中,华东地区矿产地数量最多。脉石英矿床规模小,大中型矿床占比少,矿点数量多。脉石英含硅量高,含铁量较低。近几年的矿产地质... 国内外实际生产证明,脉石英可以替代水晶作为加工提纯高纯石英的原料。我国脉石英矿分布广泛但是局部稍有集中,华东地区矿产地数量最多。脉石英矿床规模小,大中型矿床占比少,矿点数量多。脉石英含硅量高,含铁量较低。近几年的矿产地质调查工作表明,我国脉石英找矿潜力大。 展开更多
关键词 脉石英 矿产地 资源量 找矿潜力
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Early kidney injury during long-term adefovir dipivoxil therapy for chronic hepatitis B 被引量:22
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作者 Hong-Yu Jia Feng Ding +12 位作者 jian-Yang Chen jiang-Shan Lian yi-Min Zhang Lin-Yan Zeng Dai-Rong Xiang Liang Yu jian-hua Hu Guo-Dong Yu huan Cai ying-Feng Lu Lin Zheng Lan-Juan Li yi-Da Yang 《World Journal of Gastroenterology》 SCIE CAS 2015年第12期3657-3662,共6页
AIM: To evaluate urine β2-microglobulin(β2-M), retinol-binding protein(RBP) excretion, and renal impairment with adefovir dipivoxil(ADV) for chronic hepatitis B. METHODS: We enrolled 165 patients with chronic hepati... AIM: To evaluate urine β2-microglobulin(β2-M), retinol-binding protein(RBP) excretion, and renal impairment with adefovir dipivoxil(ADV) for chronic hepatitis B. METHODS: We enrolled 165 patients with chronic hepatitis B infection who were treated with ADV monotherapy(n = 90) or ADV plus lamivudine combination therapy(n = 75). An additional 165 chronic hepatitis B patients treated with entecavir were recruited as controls. We detected serum creatinine, urine β2-M, and RBP levels, and estimated the glomerular filtration rate(e GFR) at the initiation of antiviral therapy and every 6 mo for a period of five years. RESULTS: Urine β2-M abnormalities were observed in patients during the first(n = 3), second(n = 7), third(n = 11), fourth(n = 16), and fifth(n = 21) year of ADV treatment. Urinary RBP abnormalities were observed in patients during the first(n = 2), second(n = 8), third(n = 12), fourth(n = 15), and fifth(n = 22) year of ADV treatment. e GFR decreased 20%-30% from baseline in 20 patients, 30%-50% in 12 patients, and > 50% in 3 patients during the five years of treatment. Further analysis indicated that decreases in e GFR of ≥ 30% relative to the baseline level correlated significantly with urine RBP and β2-M abnormalities. In contrast, both serum creatinine and e GFR remained stable in patients treated with entecavir, and only one of these patients developed a urine β2-M abnormality, and two developed urine RBP abnormalities during the five years of treatment. CONCLUSION: Urine RBP and β2-M are biomarkers of renal injury during long-term ADV treatment for chronic hepatitis B, and indicate when treatment should be switched to entecavir. 展开更多
关键词 ADEFOVIR dipivoxil ENTECAVIR RETINOL BINDING prote
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退变性脊柱侧凸手术加速康复外科围手术期管理策略专家共识 被引量:21
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作者 白玉树 翟骁 +29 位作者 陈自强 魏显招 杨明园 杨操 周许辉 李危石 李利 吴继功 许建中 赵建华 王达义 钱邦平 朱泽章 胡勇 孙武权 房敏 郑召民 王征 李淳德 丁文元 夏磊 沈建雄 仉建国 孙天胜 罗卓荆 海涌 吕国华 郝定均 邱勇 李明 《第二军医大学学报》 CAS CSCD 北大核心 2020年第3期233-242,共10页
退变性脊柱侧凸常见于老年患者,通常合并高血压病、冠心病、糖尿病和骨质疏松等基础疾病,手术风险高、并发症多。加速康复外科(ERAS)要求综合考量患者的年龄、症状、体征、身体状况和骨质量等因素,以制定个体化的手术方案和围手术期干... 退变性脊柱侧凸常见于老年患者,通常合并高血压病、冠心病、糖尿病和骨质疏松等基础疾病,手术风险高、并发症多。加速康复外科(ERAS)要求综合考量患者的年龄、症状、体征、身体状况和骨质量等因素,以制定个体化的手术方案和围手术期干预措施,这对改善患者预后和康复十分重要。经全国多位脊柱外科专家多次讨论,在循证医学证据支持下,针对退变性脊柱侧凸手术ERAS围手术期管理策略制定本共识意见,供临床工作参考和应用。 展开更多
关键词 退变性脊柱侧凸 外科学 加速康复外科 围手术期 专家共识
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Prevalence of and risk factors for postprandial hypotension in older Chinese men 被引量:21
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作者 Xiao ZOU jian CAO +4 位作者 jian-hua LI yi-Xin HU Yu-Song GUO Quan-Jin SI Li FAN 《Journal of Geriatric Cardiology》 SCIE CAS CSCD 2015年第6期600-604,共5页
Objective To assess the prevalence of and risk factors for postprandial hypotension (PPH) among old and very old Chinese men. Methods The study included 349 Chinese men aged 65 and older, grouped into two age catego... Objective To assess the prevalence of and risk factors for postprandial hypotension (PPH) among old and very old Chinese men. Methods The study included 349 Chinese men aged 65 and older, grouped into two age categories: group 1 (old) included 163 men aged 65 to 80 years; group 2 (very old) included 186 men aged over 80 years. Blood pressure changes after meals were assessed every 15 min by ambulatory blood pressure monitoring. Symptoms after meal ingestion and after standing up and changes in the baseline condition relative to blood pressure changes were observed continuously. Additional baseline data included body mass index, medical history, and medication use Results The prevalence of PPH was 59.3% overall and was significantly higher in group 2 than group 1 (63.4% vs. 54.6%, P 〈 0.05). In group 2, the prevalence of PPH after breakfast (33.8%) and lunch (32.1%) were higher than that after supper (20.9%), P 〈 0.05. Hypertension and age were significant risk factors for PPH (OR = 2.188, 95% CI: 1.134-4.223, P = 0.02; OR = 1.86, 95% CI: 1.112-3.11, P = 0.018, respectively). In contrast, acarbose use was protective against PPH (OR = 0.4, 95% CI: 0.189-0.847, P = 0.017). The decrease in blood pres- sure during PPH was 20-40 mmHg and the maximum was 90 mmHg. PPH usually occurred at 30-60 min after a meal and lasted 30-120 rnin. Conclusions These findings demonstrate that the prevalence of PPH in men aged over 80 years is significantly higher than those in men aged 65 to 80 years, and the blood pressure decline is also higher for men aged over 80 years. In addition, hypertension and age were main risk factors for PPH in the older men, which suggest that preventing and treating PPH is worthwhile. 展开更多
关键词 MALE Postprandial hypotension PREVALENCE The elderly
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Sexual and reproductive health service needs of university/ college students: updates from a survey in Shanghai, China 被引量:20
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作者 Bin Chen Yong-Ning Lu +7 位作者 Hong-Xiang Wang Qing-Liang Ma Xiao-Ming Zhao jian-hua Guo Kai Hu yi-Xin Wang yi-Ran huang Pei Chen 《Asian Journal of Andrology》 SCIE CAS CSCD 2008年第4期607-615,共9页
Aim: To promote the provision of reproductive health services to young people by exploring the attitudes and perceptions of university students in Shanghai, China, toward reproductive health. Methods: From July 2004... Aim: To promote the provision of reproductive health services to young people by exploring the attitudes and perceptions of university students in Shanghai, China, toward reproductive health. Methods: From July 2004 to May 2006, 5 243 students from 14 universities in Shanghai took part in our survey. Topics covered the demands of reproductive health-care services, attitudes towards and experience with sex, exposure to pornographic material, and knowledge on sexual health and sexually transmitted infections (STIs)/AIDS. Results: Of the 5 067 students who provided valid answer sheets, 50.05% were female and 49.95% were male, 14.86% were medical students, and 85.14% had non-medical backgrounds. A total of 38.4% of respondents had received reproductive health education previously. The majority of students supported school-based reproductive health education, and also acquired information about sex predominantly from books, schoolmates, and the Internet. Premarital sexual behavior was opposed by 17.7% of survey participants, and 37.5% could identify all the three types of STIs listed in the questionnaire. Although 83.7% knew how HIV is transmitted, only 55.7% knew when to use a condom and 57.8% knew that the use of condoms could reduce the risk of HIV infection. Conclusion: The reproductive health service is lagging behind current attitudes and demands of university students. Although students' attitudes towards sexual matters are liberal, their knowledge about reproductive health and STIs/AIDS is still limited. It is therefore necessary to provide effective and confidential reproductive health services to young people. 展开更多
关键词 reproductive health reproductive health services safe sex sexual behavior SEXUALITY
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基于红外热成像技术探讨针刺疗法联合柴胡桂枝干姜汤治疗青少年抑郁症临床疗效 被引量:20
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作者 齐建华 刘静 +7 位作者 周晓玲 覃绿星 梁谊深 张丹璇 周娅妮 杨薇 谢静 谢鸿蔚 《上海针灸杂志》 2019年第11期1219-1224,共6页
目的观察针刺联合柴胡桂枝干姜汤治疗青少年抑郁症的临床疗效。方法 60例青少年抑郁症患者,随机分为治疗组和对照组,每组30例。治疗组给予针刺联合柴胡桂枝干姜汤治疗,对照组给予盐酸氟西汀治疗。使用红外热成像仪观察各组肝胆经循行处... 目的观察针刺联合柴胡桂枝干姜汤治疗青少年抑郁症的临床疗效。方法 60例青少年抑郁症患者,随机分为治疗组和对照组,每组30例。治疗组给予针刺联合柴胡桂枝干姜汤治疗,对照组给予盐酸氟西汀治疗。使用红外热成像仪观察各组肝胆经循行处胁肋部及两经原穴温度的改变情况,采用汉密尔顿抑郁量表(HAMD)评价两组治疗前后抑郁状况,并比较两组临床疗效。结果治疗组治疗后的肝胆经循行于胁肋部的温度及两经的原穴穴位温度明显减低,治疗组低于对照组(P<0.05)。治疗组总有效率为83.3%,对照组为60.0%,两组临床疗效比较差异有统计学意义(P<0.05)。结论针刺联合柴胡桂枝干姜汤治疗肝气郁结型的青少年抑郁症患者具有明显的疗效,能够显著改善患者的精神状态,进而提高患者的生活质量。 展开更多
关键词 针刺疗法 针药并用 抑郁症 红外热成像 经络 皮温 汉密尔顿抑郁量表
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IPCC国家温室气体清单指南精细化的主要内容和启示 被引量:20
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作者 朱松丽 蔡博峰 +5 位作者 朱建华 高庆先 张称意 于胜民 方双喜 潘学标 《气候变化研究进展》 CSCD 北大核心 2018年第1期86-94,共9页
作为IPCC新一轮气候变化综合评估的组成部分,IPCC国家温室气体清单指南进入了正式的精细化阶段,将在2019年形成最终成果,与现有的《IPCC2006指南》合并使用,为"适用于所有缔约方的"《巴黎协定》的实施奠定基础。精细化工作分... 作为IPCC新一轮气候变化综合评估的组成部分,IPCC国家温室气体清单指南进入了正式的精细化阶段,将在2019年形成最终成果,与现有的《IPCC2006指南》合并使用,为"适用于所有缔约方的"《巴黎协定》的实施奠定基础。精细化工作分为提供新方法、更新已有内容、补充/澄清已有内容等三大类,共有107个"精细化点",涵盖通用方法论、能源活动、工业过程、农业林业和其他土地利用、废弃物等各个领域和部门。中国共有12名专家参与此次工作。建议中国科研工作者尽快以英文著述的形式发表相关成果,提高中国文献的引用率;鉴于中国已具备根据最新指南要求编制清单的能力,建议未来国家温室气体清单的编制尽可能全面转向《IPCC2006指南》及其增补和精细化内容。 展开更多
关键词 IPCC 国家温室气体清单 指南 精细化
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Management of traumatic hemothorax by closed thoracic drainage using a central venous catheter 被引量:18
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作者 jian-hua yi1,hua-bo LIU2,Mao ZHANG1,Jun-song WU1,jian-xin YANG1,Jin-ming CHEN1,Shan-xiang XU1,jian-an WANG1(1Department of Emergency,the Second Affiliated Hospital,School of Medicine,Zhejiang University,Hangzhou 310009,China)(2Department of Emergency,Zhoushan Hospital of Zhejiang Province,Zhoushan 316004,China) 《Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)》 SCIE CAS CSCD 2012年第1期43-48,共6页
Objective:To evaluate the efficacy and safety of the treatment of traumatic hemothorax by closed pleural drainage using a central venous catheter(CVC),compared with using a conventional chest tube.Methods:A prospectiv... Objective:To evaluate the efficacy and safety of the treatment of traumatic hemothorax by closed pleural drainage using a central venous catheter(CVC),compared with using a conventional chest tube.Methods:A prospective controlled study with the Ethics Committee approval was undertaken.A total of 407 patients with traumatic hemothorax were involved and they were randomly assigned to undergo closed pleural drainage with CVCs(n=214) or conventional chest tubes(n=193).The Seldinger technique was used for drainage by CVC,and the conventional technique for drainage by chest tube.If the residual volume of the hemothorax was less than 200 ml after the daily volume of drainage decreased to below 100 ml for two consecutive days,the treatment was considered successful.The correlative data of efficacy and safety between the two groups were analyzed using t or chi-squared tests with SPSS 13.0.A P value of less than 0.05 was taken as indicating statistical significance.Results:Compared with the chest tube group,the operation time,fraction of analgesic treatment,time of surgical wound healing,and infection rate of surgical wounds were significantly decreased(P<0.05) in the CVC group.There were no significant differences between the two groups in the success rate of treatment and the incidence of serious complications(P>0.05),or in the mean catheter/tube indwelling time and mean medical costs of patients treated successfully(P>0.05).Conclusions:Management of medium or large traumatic hemothoraxes by closed thoracic drainage using CVC is minimally invasive and as effective as using a conventional large-bore chest tube.Its complications can be prevented and it has the potential to replace the large-bore chest tube. 展开更多
关键词 Central venous catheter Drainage TRAUMA HEMOTHORAX
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股神经阻滞复合全身麻醉对老年膝关节置换患者术后认知功能及炎性因子水平的影响 被引量:19
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作者 高建华 魏智慧 《临床误诊误治》 2018年第5期68-72,共5页
目的探讨股神经阻滞复合全身麻醉对老年膝关节置换(total knee Arthroplasty,TKA)患者术后认知功能及炎性因子的影响。方法选取行TKA的老年患者67例采用随机数字表法随机分为全身麻醉组(32例)和复合麻醉组(35例)两组。全身麻醉组仅采用... 目的探讨股神经阻滞复合全身麻醉对老年膝关节置换(total knee Arthroplasty,TKA)患者术后认知功能及炎性因子的影响。方法选取行TKA的老年患者67例采用随机数字表法随机分为全身麻醉组(32例)和复合麻醉组(35例)两组。全身麻醉组仅采用全身麻醉,复合麻醉组采用股神经阻滞复合全身麻醉。观察比较两组麻醉时间、手术出血量、尿量、补液量、维持脑电双频指数(BIS)监测值、镇静/警觉(OAA/S)评分、简易智力量表(MMSE)评分及外周血白细胞介素(IL-6)和C反应蛋白(CRP)水平。结果复合麻醉组麻醉时间长于全身麻醉组,给药后10、20 min BIS监测值均高于全身麻醉组,给药后5、10 min OAA/S评分均高于全身麻醉组,差异有统计学意义(P<0.05)。MMSE评分全身麻醉组术后24、48 h均显著低于术前,复合麻醉组术后24 h显著低于术前,差异具有统计学意义(P<0.05)。复合麻醉组术后24、48 h MMSE评分均高于全身麻醉组,差异有统计学意义(P<0.05)。全身麻醉组术后24、48 h血IL-6和CRP水平显著高于术前;复合麻醉组术后24、48 h血IL-6水平高于术前,术后24 h血CRP水平高于术前,差异具有统计学意义(P<0.05)。复合麻醉组术后24、48 h血IL-6和CRP水平均低于全身麻醉组,差异有统计学意义(P<0.05)。结论股神经阻滞复合全身麻醉有助于降低老年TAK患者术后认知功能障碍程度和炎性因子水平。 展开更多
关键词 股神经阻滞 全身麻醉 老年人 关节成形术 置换 认知 炎性因子
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Relationship between β-amyloid protein 1-42, thyroid hormone levels and the risk of cognitive impairment after ischemic stroke 被引量:17
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作者 Lei Mao Xiao-Han Chen +6 位作者 jian-hua Zhuang Peng Li yi-Xin Xu Yu-Chen Zhao Yue-Jin Ma Bin He You yin 《World Journal of Clinical Cases》 SCIE 2020年第1期76-87,共12页
BACKGROUND Post-stroke cognitive impairment(PSCI)is not only a common consequence of stroke but also an important factor for adverse prognosis of patients.Biochemical indicators such as blood lipids and blood pressure... BACKGROUND Post-stroke cognitive impairment(PSCI)is not only a common consequence of stroke but also an important factor for adverse prognosis of patients.Biochemical indicators such as blood lipids and blood pressure are affected by many factors,and the ability of evaluating the progress of patients with PSCI is insufficient.Therefore,it is necessary to find sensitive markers for predicting the progress of patients and avoiding PSCI.Recent studies have shown thatβ-amyloid protein 1-42(Aβ1-42)and thyroid hormone levels are closely related to PSCI,which may be the influencing factors of PSCI,but there are few related studies.AIM To investigate the relationship between serum levels of Aβand thyroid hormones in acute stage and PSCI and its predicted value.METHODS A total of 195 patients with acute cerebral infarction confirmed from June 2016 to January 2018 were enrolled in this study.Baseline data and serological indicators were recorded to assess cognitive function of patients.All patients were followed up for 1 year.Their cognitive functions were evaluated within 1 wk,3 mo,6 mo and 1 yr after stroke.At the end of follow-up,the patients were divided into PSCI and non-PSCI according to Montreal cognitive assessment score,and the relationship between biochemical indexes and the progression of PSCI was explored.RESULTS Compared with patients with non-PSCI,the levels of Aβ1-42,triiodothyronine(T3)and free thyroxin were lower in the patients with PSCI.Repeated measures analysis of variance showed that the overall content of Aβ1-42 and T3 in PSCI was also lower than that of the non-PSCI patients.Further analysis revealed that Aβ1-42(r=0.348),T3(r=0.273)and free thyroxin(r=0.214)were positively correlated with disease progression(P<0.05),suggesting that these indicators have the potential to predict disease progression and outcome.Cox regression analysis showed that Aβ1-42 and T3 were important factors of PSCI.Then stratified analysis showed that the lower the Aβ1-42 and T3,the higher risk of PSCI in patients who 展开更多
关键词 Post-stroke cognitive impairment TRIIODOTHYRONINE β-amyloid protein Prognosis Montreal cognitive assessment Free thyroxin
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长期施肥处理对双季晚稻叶绿素荧光特征及籽粒产量的影响 被引量:17
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作者 侯红乾 林洪鑫 +5 位作者 刘秀梅 冀建华 刘益仁 蓝贤瑾 吕真真 周卫军 《作物学报》 CAS CSCD 北大核心 2020年第2期280-289,共10页
研究施肥模式对水稻叶绿素含量及荧光参数的调节作用,对提高水稻光能利用效率及籽粒产量具有重要意义。本研究以水稻品种赣929为试验材料,比较长期定位施磷钾肥(PK)、施氮磷钾肥(NPK)、等养分条件下70%氮磷钾肥配合施用30%有机肥(70F+3... 研究施肥模式对水稻叶绿素含量及荧光参数的调节作用,对提高水稻光能利用效率及籽粒产量具有重要意义。本研究以水稻品种赣929为试验材料,比较长期定位施磷钾肥(PK)、施氮磷钾肥(NPK)、等养分条件下70%氮磷钾肥配合施用30%有机肥(70F+30M)、50%氮磷钾肥配合施用50%有机肥(50F+50M)、30%氮磷钾肥配合施用70%有机肥(30F+70M)条件下水稻叶绿素荧光参数和产量变化特征。结果表明,水稻旗叶叶绿素含量从齐穗期到成熟期呈下降趋势,且表现为30F+70M>50F+50M>70F+30M>NPK>PK。水稻叶绿素荧光参数Fv/Fm随水稻生育期的推进呈降低趋势,其中PK处理Fv/Fm值最低,而施氮处理比不施氮处理Fv/Fm值增加了2.85%~4.18%。叶绿素荧光参数qL、ΦPSII在NPK处理中表现为齐穗期较高,20 d之后显著降低;在50F+50M、30F+70M处理中表现为齐穗期较低,20 d以后显著增加;在PK处理、70F+30M处理中一直处于较高水平。NPQ变化趋势与qL基本相反。ETR-PAR光响应曲线拟合结果表明,70F+30M处理ETRmax、和Ek值在齐穗期和20 d后值均最高。综合看来,等养分条件下配施30%有机肥具有最优的叶绿素荧光指标组合及籽粒产量;而配施超过50%有机肥由于前期热耗散增大使得用于光合作用的光能份额减少,而施用氮磷钾肥处理则由于后期的衰老使得光能利用效率下降。 展开更多
关键词 施肥 有机无机肥配施 叶绿素荧光参数 快速光曲线 水稻
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建设产业学院实施双主体育人的探索与实践 被引量:15
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作者 廖建华 梁咏仪 卢英姿 《广州城市职业学院学报》 2019年第2期9-13,共5页
《国家职业教育改革实施方案》(国发[2019]4号)提出:促进产教融合校企“双元”育人,坚持知行合一、工学结合。深刻体会到职业教育办学应该始终坚持“三合”:产业和教育融合,学校和企业合作,工作和学习结合。观照高职院校人才培养现况,... 《国家职业教育改革实施方案》(国发[2019]4号)提出:促进产教融合校企“双元”育人,坚持知行合一、工学结合。深刻体会到职业教育办学应该始终坚持“三合”:产业和教育融合,学校和企业合作,工作和学习结合。观照高职院校人才培养现况,依然存在企业主体作用缺位、专业教育与双创实践“两张皮”问题。为此,提出“产学研合作、双主体育人、专创一体”的高职人才培养理念,创建企业主导的产业学院,构建双主体办学机制,推进现代学徒制人才培养,促进专创一体的课程建设,搭建“双元”育人平台。 展开更多
关键词 产业学院 双主体 人才培养 现代学徒制 专创一体
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急性缺血性脑卒中大鼠脑组织中Th17/Treg的变化 被引量:15
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作者 程建华 黄一睿 +1 位作者 肖美娟 韩钊 《中国病理生理杂志》 CAS CSCD 北大核心 2019年第4期758-763,768,共7页
目的:免疫炎症反应在急性缺血性脑卒中的病理生理过程中发挥着重要的作用。具有促炎作用的辅助性T细胞17(Th17)及维持免疫耐受的调节性T细胞(Treg)是体内重要的2种免疫细胞。Th17/Treg细胞平衡是机体维持正常免疫的基础。本研究探讨急... 目的:免疫炎症反应在急性缺血性脑卒中的病理生理过程中发挥着重要的作用。具有促炎作用的辅助性T细胞17(Th17)及维持免疫耐受的调节性T细胞(Treg)是体内重要的2种免疫细胞。Th17/Treg细胞平衡是机体维持正常免疫的基础。本研究探讨急性缺血性脑卒中大鼠脑组织中Th17/Treg的变化。方法:采用线栓法制备SD大鼠急性大脑中动脉闭塞(middle cerebral artery occlusion,MCAO)模型,以假手术组作为对照组。在MCAO术后3 d利用TTC染色观察各组大鼠脑梗死体积;采用ELISA测定脑组织中白细胞介素17A(IL-17A)和IL-10蛋白的含量;采用RT-qPCR测定脑组织中IL-17、IL-10、Foxp3和RORγt的mRNA表达水平;采用流式细胞术测定脑组织中Th17细胞和Treg细胞的比例变化。结果:与假手术组相比,MCAO组大鼠脑组织中IL-17A的含量增加,IL-10的含量减少(P<0.05);RORγt和IL-17的mRNA表达水平上调(P<0.05),Foxp3和IL-10的mRNA表达水平下调(P<0.05);脑组织Th17细胞增多,Treg细胞明显减少(P<0.05),Th17/Treg比值升高(P<0.05)。结论:急性缺血性脑卒中大鼠脑组织Th17细胞增多,Treg细胞减少,表明脑梗死后大鼠脑组织中Th17/Treg的平衡被破坏,免疫炎症反应被激活。 展开更多
关键词 急性缺血性脑卒中 免疫 炎症 辅助性T细胞17 调节性T细胞
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Percutaneous transsplenic embolization of esophageal and gastrio-fundal varices in 18 patients 被引量:14
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作者 Gao-Quan Gong Xiao-Lin Wang jian-hua Wang Zhi-Ping Yan Jie-Min Cheng Sheng Qian yi Chen Department of Radiology,Zhongshan Hospital,Fudan University,Shanghai 200032,China 《World Journal of Gastroenterology》 SCIE CAS CSCD 2001年第6期880-883,共4页
AIM: Clinical application and potential complication of percutaneous transsplenic varices embolization (PTSVE) of esophageal or gastrio-fundal varices in patients with hepatocellular carcinoma (HCC) complicated with p... AIM: Clinical application and potential complication of percutaneous transsplenic varices embolization (PTSVE) of esophageal or gastrio-fundal varices in patients with hepatocellular carcinoma (HCC) complicated with portal vein cancerous thrombosis (PVCT).METHODS: 18 patients with HCC complicated with PVCT and esophageal or gastrio-fundal varices who underwent PTSVE were collected. The rate of success, complication, mortality of the procedure and postoperative complication were recorded and analyzed.RESULTS: PTSVE were successfully performed in 16 of 18cases, and the rate of success was 89%. After therapy erythrocyte counts decreased in all of the natunts. 5 of patients needed blood transfusion, 2 patients requiredsurgical intervention because of and 11 patients with ascites were alleviated by diuresis. Among these 18patients, the procedure-related mortality was 11% (2/18),one died of acute hepatic failure on the forth day after procedure, another died of acute renal failure on the fifth day. The patients were follow up for 112 mon exceptone. 13of them died of their tumors but none of them experienced variceal bleeding.CONCLUSION: PTSVE is a relatively safe and effective method to treat esophageal or gastrio-fundal varices in HCCpatients with PVCT when percutaneous transhepatic varices embolization (PTHVE) of varices is impossible. 展开更多
关键词 Embolization Therapeutic Adult Aged Carcinoma Hepatocellular Esophageal and Gastric Varices Female Humans Liver Neoplasms Male Middle Aged Portal Vein Research Support Non-U.S. Gov't Venous Thrombosis
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