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排序方式: 共有99条查询结果,搜索用时 15 毫秒
1.
CM Reid M. Nelson P. Beckinsale P. Ryan LMH Wing LJ Beilin MA Brown GLR Jennings CI Johnston J. Marley JJ McNeil TO Morgan J. Shaw ID Steven MJ West 《Clinical and experimental pharmacology & physiology》1997,24(5):370-373
1. The present study aimed to determine the feasibility of conducting a 5 year cardiovascular outcome trial of the treatment of 6000 elderly hypertensive patients in Australian general practices. 2. General practitioners (GPs) were invited to participate by mail and personal follow-up. Patient records were reviewed to identify subjects for a blood pressure (BP) screening programme. Blood pressure was measured on three occasions and eligible subjects were included if the average BP was 160 mmHg systolic or 90 mmHg diastolic if systolic BP was 140 mmHg. 3. Seven hundred and forty-one GPs were approached and 89 were enrolled in the study (12% of mail invites and 75% of those receiving a personal contact). In 16 practices where screening was completed, 82 000 records were reviewed to identify 4% patients eligible for screening. Twenty-two per cent of eligible subjects attended screening. Of 1938 subjects screened, 180 (9%) had BP 5=160/90 mmHg. Forty-seven percent of subjects (n = 916) were receiving antihypertensive therapy and 184 (20%) were withdrawn from therapy. One hundred and sixteen (63%) of these subjects had BP return to study entry levels within 6 weeks. Fifty-seven newly diagnosed and 81 previously treated subjects were randomized (7% of the screened population). 4. Based on the high participation rate of GPs, the response rate of patients to attend a BP screening programme and the 7% randomization to screening ratio for entry into the study, the ANBP2 pilot study has demonstrated that it is feasible to recruit subjects from Australian general practices to a cardiovascular outcome trial. 相似文献
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Caroline A. Akinremi Sanaa Rashid Pushpa D. Upreti George T. Chi Katherine Huddersman 《RSC advances》2020,10(22):12941
Successful attempts to regenerate a used surface functionalised nanocoated polyacrylonitrile (PAN) catalyst are described here. During use in wastewater treatment, the novel Fenton catalyst (F1) is deactivated due to iron loss caused by acid hydrolysis. In this study the deactivated catalyst (D1) is subjected to reactions with 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide (EDC), followed by reactions with either hydroxylamine to give sample T1 or hydroxylamine and hydrazine to give sample T2. The samples were then impregnated with iron(iii) salt to give either Fe-T1 or Fe-T2. The catalysts were characterized by Attenuated Total Reflectance Fourier Transform Infrared (ATR-FTIR), Atomic Absorption (AA) and UV/VIS spectroscopies, Scanning Electron Microscopy (SEM) with energy-dispersive X-ray (EDX) spectroscopy and Electron Spin Resonance (ESR) spectroscopy. The iron on the regenerated catalyst was found to be in complexed form but had deposited iron oxide species as well. The catalysts were tested in batch mode and compared with the fresh modified PAN catalyst in the degradation of the dye Reactive Orange 16 (RO-16) with analysis by UV/VIS spectroscopy. The reactivated catalysts prepared with EDC were found to be more active and faster (as measured at 120 min) in decolourising RO-16 than the fresh catalytic mesh but also with a higher degree of Fe leaching (0.85% loss of iron per gram of Fe-T2 catalyst over 6 cycles compared to 0.32% loss of Fe per gram of F1 catalyst over 6 cycles). This leaching was found not to contribute significantly to degradation of the dye and the preliminary results suggest that the regime can be used for catalyst regeneration encouraging industrial uptake.Successful attempts to regenerate a used surface functionalised nanocoated polyacrylonitrile (PAN) catalyst are described here. 相似文献
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Aim: Findings of hypoxia prior to death and involvement of a dysregulation of the serotonergic network in sudden infant death syndrome (SIDS) may indicate that brain‐derived neutrophic factor (BDNF) also is of importance with regard to sudden unexpected infant death. Based on this, the purpose of this study was to investigate the BDNF val66met polymorphism in SIDS cases, cases of infectious death and controls. Methods: The polymorphism was investigated in 163 SIDS cases, 34 cases of infectious death and 121 controls, using real‐time PCR and fluorescence melting curve analysis. Results: There were no differences in val66met genotype distribution between neither the SIDS cases nor the cases of infectious death and controls (p = 0.95 and p = 0.52, respectively). Conclusion: The study indicates that the val66met polymorphism is not important for sudden unexpected infant death. However, several other SNPs in the BDNF gene, as well as in other genes involved in this pathway, including G‐protein, have to be investigated to fully exclude any involvement of BDNF in SIDS. 相似文献
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目的:评价国产利培酮(索乐)治疗精神分裂症的疗效和安全性。方法:通过对全国45家精神病医院的962例精神分裂症患者进行多中心,大样本,开放性的为期8周的治疗观察。采用PANSS、CGI、SAS和TESS评定疗效和不良反应。结果:国产利培酮(索乐)对精神分裂症总有效率84.3%,临床总体疗效肯定,不良反应轻,主要是轻度的锥体外系反应,体重增加,因其程度轻,病人基本能耐受。结论:国产利培酮(索乐)对精神分裂症阳性症状及阴性症状均有效,起效快,安全性高,患者对该药依从性好,可作为精神分裂症的首选药物之一。 相似文献
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<正> 暨南大学医学院第一附属医院,又名广州华侨医院,经过20年的发展已成为一所集医、教、研为一体的大型三级甲等医院。医院的科研发展始终坚持"以学科建设为基础,人才培养是关键"的科研办院思路,从建院初期以调入人才为主到目前的以人才引进为辅、培养人才为主,20年来培养了一批中青年学术带头人,形成了一批技术力量强大的学科群。从建院初期仅有眼科学、内科学(血液病专业)2个硕士学位授与点发展到现在拥有眼科学、内科学、妇产科学3个博士学位、14个硕士学位授权点,1998年还被国家教委批准为临床医学专业学位授与点的试点单位。在各类学术期刊上发表文章3089篇,主编及参与编写171部专著,承担各级科研课题695项,获国家科技进步奖1项,省部级成果奖25项,厅局级科技进步奖69项,获专利9项。医院在培育科研优势的同时更注意发挥学科优势促进学科的发展。 相似文献
8.
Maurício W Perroud Jr Helen N Honma Aristóteles S Barbeiro Simone CO Gilli Maria T Almeida José Vassallo Sara TO Saad Lair Zambon 《Journal of experimental & clinical cancer research : CR》2011,30(1):65
Background
Overall therapeutic outcomes of advanced non-small-cell lung cancer (NSCLC) are poor. The dendritic cell (DC) immunotherapy has been developed as a new strategy for the treatment of lung cancer. The purpose of this study was to evaluate the feasibility, safety and immunologic responses in use in mature, antigen-pulsed autologous DC vaccine in NSCLC patients.Methods
Five HLA-A2 patients with inoperable stage III or IV NSCLC were selected to receive two doses of 5 × 107 DC cells administered subcutaneous and intravenously two times at two week intervals. The immunologic response, safety and tolerability to the vaccine were evaluated by the lymphoproliferation assay and clinical and laboratorial evolution, respectively.Results
The dose of the vaccine has shown to be safe and well tolerated. The lymphoproliferation assay showed an improvement in the specific immune response after the immunization, with a significant response after the second dose (p = 0.005). This response was not long lasting and a tendency to reduction two weeks after the second dose of the vaccine was observed. Two patients had a survival almost twice greater than the expected average and were the only ones that expressed HER-2 and CEA together.Conclusion
Despite the small sample size, the results on the immune response, safety and tolerability, combined with the results of other studies, are encouraging to the conduction of a large clinical trial with multiples doses in patients with early lung cancer who underwent surgical treatment.Trial Registration
Current Controlled Trials: ISRCTN45563569 相似文献9.
Folakemi T. Odedina Daohai Yu Titilola O. Akinremi R. Renee Reams Matthew L. Freedman Nagi Kumar 《Journal of immigrant and minority health / Center for Minority Public Health》2009,11(4):258-267
Background Similar to African American men, several published studies indicate high incidence of prostate cancer among Nigerian men.
However, there is no published study on personal factors that influence prostate cancer detection in this population. We explored
prostate cognitive-behavioral factors among indigenous Nigerian men and Nigerian immigrants residing in the US. Methods A cross-sectional survey methodology was employed to collect data from Nigerian men residing in Abeokuta (Nigeria) and Houston
(US). Study participants were men between 35 and 79 years. Results The demographic characteristics of both study groups were similar. Based on two-sample comparison results, indigenous Nigerian
men demonstrated significant differences from US Nigerian men on several prostate cancer personal cognitive-behavioral factors,
including perceived susceptibility to prostate cancer, attitude towards prostate cancer screening and prostate cancer knowledge.
Conclusion Emigration of Nigerian men from Nigeria to the US has a significant impact on prostate cancer knowledge and beliefs. 相似文献
10.
幼儿第二语言(外语)获得成效之多因素研究 总被引:6,自引:0,他引:6
【目的】 从语言和认知发展的角度研究幼儿第二语言的获得,探讨童学习外语的成效。【方法】 选择18~24个月、3-6岁正常幼儿,评价儿童的一般情况、语言发育水平(幼儿语言筛查表,WPPSI语言部分和PPVT)、中文和英文的语音分辨测验、英文发音准确性、记忆能力和英文学习成绩。研究的第一阶段为语音输入,18~24个月幼儿被分为两组,分别给予100h的中文和英文的语音输入。第二阶段,所有儿童参加14周的英语教学和测验。【结果】 70.9%儿童的家长重视学英文,高于重视中文获得的比例。是否经常听儿童磁带与中文词汇量有显著的正相关。英语成绩:女孩显著高于男孩;与年龄、中文和英文的语音分辨能力、WPPSI语言和PPVT的原始分、记忆能力呈显著的正相关。英语发音的准确性与年龄和中文语音分辨能力有显著的正相关。【结论】 幼儿学习L2:①应充分重视母语的发展;②无需从幼儿早期开始,在学龄前学习成效随年龄而提高;③女童的语言能力强于男童。④语音训练应考虑年龄和方法。 相似文献