排序方式: 共有16条查询结果,搜索用时 15 毫秒
1.
2.
目的:了解南阳市各类人群HIV感染状况和传播方式,为制定HIV控制策略和措施提供依据。方法:对2007年南阳市各类人群监测结果建立数据库,进行综合分析。结果:共检测各类人群血清标本2651人,HIV阳性率15.01%.阳性者仍以既往有偿采供血这一行为有关。在性病就诊者中、劳教人员监测中均发现存在艾滋病传播的危险因素。结论:我们的核心工作仍为控制既往有偿采供血这一人群引发的婚内性传播和母婴传播,同时要加强对高危人群、重点人群的监测,有针对性地开展宣传,有效遏制艾滋病的传播。 相似文献
3.
中国农村地区儿童血铅水平分析 总被引:1,自引:0,他引:1
目的 描述中国农村儿童血铅总体水平及分布特征,为改善农村铅污染状况提供依据.方法 通过计算机检索中国期刊全文数据库及相关文献追溯等途径,依照严格的入选标准收集并筛选国内1994-2008年10月公开发表的关于农村儿童血铅水平研究的文献进行分析.结果 我国农村儿童血铅均值为74.93μg/L(范围:41.14~193.54μg/L),铅中毒率为19.32%(范围:2.2%~43%).禁止含铅汽油使用后儿童血铅从87.53μg/L降至71.16μg/L(u=7.13,P<0.01),禁止含铅汽油使用前后农村儿童血铅水平均低于同时期全国儿童血铅水平.调整无铅汽油使用的影响后,北京、山东农村儿童血铅均值较高.分别为99.16和92.13μg/L;吉林、河北较低,分别为41.14和56.14μg/L;18篇文献的综合分析显示,农村儿童和城市儿童的血铅均值分别为77.90和87.24 μg/L(u=3.73,P<0.01);8篇文献的综合分析显示,农村儿童和工业区儿童血铅均值分别为70.25和80.86μg/L(u=10.00.P<0.01).结论 农村地区儿童血铅水平低于全国总体水平,低于城市和工业区儿童血铅水平,推广无铅汽油后农村儿童血铅水平有了明显改善.Abstract: Objective To evaluate Chinese rural children's blood lead levels (BLLs) and identify its distribution features and to provide data for policy development to the prevention of rural environmental lead pollution. Methods The papers on rural children's BLLs published from 1994 to Oct. 2008 were collected by using CNKI's (China National Knowledge Infrastructure) Chinese Journal Full-test Database and other ways. The papers which were eligible for the following criteria were reviewed:(l) BLLs measured by atomic absorption spectroscopy (graphite or others) or inductively coupled plasma-mass spectrometry; (2) strict quality control; (3) no local lead pollution sources in the areas where the screened subjects live in; (4) children aged from 0 to 14 years old; (5)sample size more than 40. Results Analysis on the included 32 papers indicated that, the mean BLLs of Chinese rural children between 1994 and 2008 was 74.93μg/L (range:41.14-193.54 μg/L)and 19.32%(range:2.2%-43%) of the subjects had BLLs higher than 100 μg/L. The rural children's BLLs changed from 87.53 μg/Lto 71.16 μg/L after the use of lead free gasoline in 2000 in China, which were both lower than the general children's BBLs before 2000 and after 2001. The children in Beijing city and Shandong province showed the highest mean BLLs , with 99.16 μg/L and 92.13 μg/L respectively; while the children in Jilin province and Hebei province showed the lowest levels, with 41.14 μg/L and 56.14 μg/L respectively. The comprehensive analysis of 18 papers indicated that the mean BLLs in rural areas and urban areas were 77.90 μg/L and 87.24μg/L respectively (u=3.73, P<0.01 ). The comprehensive analysis of 8 papers indicated that the mean BLLs in rural areas and industrial areas were 70.25 μg/Land 80.86 μg/L respectively(u=10.00,P<0.01). Conclusion The BLLs of rural children in China are lower than the general levels of children in China, and also lower than urban areas and industrial areas. Promoting lead free gasoline can make a considerable decrease in the blood lead levels of rural children. 相似文献
4.
某科研单位职工健康体检高血压、高血脂、高血糖检出情况分析及对策 总被引:2,自引:0,他引:2
目的:分析科研人员血压、血糖和血脂的检测情况并提出相应的保健对策。方法:将某科研院所职工773例作为研究对象,并按照年龄分为三组,青年组(20~35岁)、中年组(36-59岁)、老年组(≥60岁),分析了各个年龄组的高血压、高血脂和高血糖的检出情况。结果:本次调查高血压检出率为19.7%,高血脂检出率为20.4%,高血糖检出率为6.3%。统计学分析显示,年龄差异显著,青年组〈中年组〈老年组。结论:科研人群高血压、高血糖及血脂异常情况不容乐观,应加强其血压、血糖和血脂定期检测,积极开展健康教育,养成健康生活方式。 相似文献
5.
目的:探讨腹壁切口疝的发生机制,总结腹壁切口疝的治疗经验。方法:归纳总结相关文献资料,并结合我院2005年至2009年收治的26例腹壁切口疝的手术治疗及术后随访情况进行回顾分析。结果:26例患者全部进行了手术治疗,均治愈。其中23例行单纯缝合修补,3例采用人工合成补片修补。随访除2例因心脑血管病死亡外,其余患者均未复发。结论:加强围术期的处理,预防和正确处理切口感染,可以防治腹壁切口疝。 相似文献
6.
7.
综述了影响药用微乳处方设计的各种因素,介绍了药用微乳的形成机制、组成成分、制备方法、微乳结构的检测技术及计算机辅助微乳处方设计的探索。 相似文献
8.
9.
本文介绍了作者运用生物筛选法筛选出了中药材川芎、麻黄和天麻中的主要活性成分。确定川芎中主要活性成分为香兰素、阿魏酸和洋川芎内酯类化合物;麻黄中主要活性成分为麻黄碱、伪麻黄碱、去甲基麻黄碱和去甲基伪麻黄碱;天麻中主要活性成分为天麻苷元和天麻苷。作者认为生物筛选法所得结果与已有研究报道基本一致,说明生物筛选法是一种快速、准确的中药活性成分筛选方法。 相似文献
10.