首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   13篇
  免费   1篇
  国内免费   1篇
基础医学   2篇
临床医学   1篇
内科学   6篇
综合类   3篇
预防医学   2篇
肿瘤学   1篇
  2021年   1篇
  2018年   1篇
  2013年   1篇
  2011年   1篇
  2010年   1篇
  2008年   2篇
  2007年   1篇
  2001年   1篇
  1997年   1篇
  1988年   2篇
  1987年   1篇
  1984年   1篇
  1982年   1篇
排序方式: 共有15条查询结果,搜索用时 15 毫秒
1.
目的了解宁波市乙型肝炎表面抗原(HBsAg)阳性母亲所生新生儿乙肝免疫球蛋白接种率及影响接种率的相关因素。方法采用多重抽样的方法随机选取宁波市医院机构分娩的产妇和新生儿为调查对象,查阅出生记录,利用自制的调查表摘录乙肝免疫球蛋白接种的相关信息并计算接种率。使用SAS统计软件建立logistic回归模型,筛选影响接种率的相关因素。结果共查阅产妇及新生儿病历3613份,产妇HBsAg筛查率为100%,其中HBsAg阳性产妇287人,产妇HBsAg携带率7.94%(287/3613)。实际调查病历276份,HBsAg阳性产妇所生新生儿乙肝免疫球蛋白接种率为92.75%,其中12h内接种率为58.70%,24h内接种率为84.06%。多因素分析显示,产妇户籍、医院类别、医院级别是影响乙肝免疫球蛋白及时接种的因素,OR(95%CI)分别为0.438(0.205~0.933)、0.322(0.153~0.681)、0.485(O.237t0.993),而产妇户籍是影响乙肝免疫球蛋白是否接种的因素。结论宁波市乙肝免疫球蛋白接种情况较好,但12h及时接种率有待提高。  相似文献   
2.
To clarify the natural history of hepatitis B virus (HBV)-associated liver cirrhosis, the clinical, laboratory and histological features of 174 untreated hepatitis B surface antigen (HBsAg)-positive cirrhotics were analysed, with a mean follow-up period of 34 months (range 8–135 months) after liver biopsy. Male patients were predominant (86.8%) and the mean age of the whole group was 45 years, s.d. = 12 (range 15–82 years). Serum HBeAg and HBV-DNA positivity were 38.9% and 31.8%, respectively. The calculated annual rate of spontaneous HBeAg seroconversion was 6.4% which was significantly lower than that (12%) of patients with HBeAg-positive chronic active hepatitis (CAH). Superinfection by δ-agent was rare, and anti-δ antibody was detected in only 1.7% of them. The occurrence rate of hepatocellular carcinoma in the whole group was 5.7%/year which was not higher than that of HBsAg-negative cirrhotics (6.2%/year). Serial liver biopsy showed that in the late evolution of cirrhosis, hepatitic activity tended to decline. Active cirrhosis may represent the intermediate stage between CAH and inactive liver cirrhosis. The 5-year survival probability rate of the patients belonging to Child's functional classes A, B and C was 83.4% (s.d. = 5.7), 79.2% (s.d. = 9.4) and 30.9% (s.d. = 14.3), respectively. Most patients were in a well-compensated state on entry into the study and remained stable for several years after diagnosis. Major causes of death include massive variceal bleeding, hepatic failure and/or hepatorenal syndrome, infection and hepatocellular carcinoma.  相似文献   
3.
ABSTRACT— To clarify the importance of ethnic and geographic factors in chronic active hepatitis (CAH), HBV markers and autoantibodies (AMA, ANA, SMA), have been compared in 158 patients with biopsy-proven CAH from New York City and in 92 patients with CAH from Milan. HBsAg-positive CAH was more frequently observed in Milan (49%) than in New York City (27%). However, among HBsAg-positive patients, HBcAg, HBeAg, and epidemiologic risk factors for acquisition of HBV infection were more frequently found in New York than in Italy. The prevalence of HBsAg-negative, anti-HBc-positive CAH and cryptogenic CAH was similar in the two cities, while autoimmune CAH was more frequently observed in New York (20%) than in Milan (2%). In particular, the prevalence of autoimmune hepatitis was higher among Jewish patients than among patients of Anglo-Saxon or Latin ethnic background in New York. Thus, environmental and/or ethnic factors may influence the prevalence of the four major types of CAH.  相似文献   
4.
5.
广西壮族人群血清HBsAg阳性与 ABO血型相关性研究   总被引:2,自引:0,他引:2  
目的 探讨广西壮族人群血清HBsAg与ABO血型分布之关系。方法 采用卡方(x^2)检验方法与Woolf统计方法对578例HBsAg阳性携带者血清的ABO血型分布及男女性别的关系进行系统分析。结果 男性携带者血型呈O>B>A>AB型分布,女性携带者呈O>A>B>AB型分布。A、B、O和AB血型人相对危险率分别为1.1531、1.0458、0.9238和0.7365。结论:血清HBsAg阳性携带者与ABO血型间存在一定关系且与性别有关,尤以A型血女性感染乙肝病毒的危险性更大,具有重要流行病学意义。  相似文献   
6.
AIM:To examine the determinants of maternal-neonatal transmission of hepatitis B virus(HBV) METHODS:A nested case-control study was conducted in Changsha,Hunan,People's Republic of China from January 1,2005 to September 31,2006 To avoid potential maternal blood contamination,we collected vein blood of newborns immediately after birth and before initial hepatitis B vaccination to determine the HBV infection status of the newborn For each HBsAg-positive infant,one HBsAg-negative infant born to an HBsAg-positi...  相似文献   
7.
Summary Circulating immune complexes (CIC) were investigated by the fluid-phase Clq binding test in serum samples from 131 subjects with various clinical types of HBsAg-positive and HBsAg-negative chronic hepatitis diagnosed on both clinical and laboratory criteria, including liver biopsy; serum samples from 28 asymptomatic HBsAg carriers and 75 healthy controls were also examined. The results of these findings were correlated with the liver damage and the clinical course of the disease. CIC were detected in all categories of chronic hepatitis with a significant prevalence only in patients with liver cirrhosis. No correlation was found between the leveis of CIC, the presence of circulating HBsAg, and active inflammation or necrosis in any of the different types of chronic hepatitis. In contrast, a highly significant correlation was found between the prevalence of CIC and a more severe prognosis in patients with CAH and liver cirrhosis. The findings suggest that the presence of CIC is not specific for a given type of chronic liver disease and that they do not play any role in the pathogenesis of liver damage. The correlation observed between the presence of CIC and an unfavourable course of chronic liver disease suggests that CIC may modify the host’s immune defence mechanisms. This work was supported in part by grants from theConsiglio Nazionale delle Ricerche (CNR) and from theMinistero della Pubblica Istruzione, Roma, Italy.  相似文献   
8.
We conducted a nationwide retrospective analysis of 116 hepatitis B virus (HBV) surface antigen (HBsAg)-positive patients with diffuse large B-cell lymphoma (DLBCL) and 278 HBsAg-negative patients with DLBCL, as a control cohort, who received rituximab-containing regimens as an induction chemotherapy at 30 Japanese medical centers between January 2004 and December 2014. Hepatitis was defined as an absolute serum alanine aminotransferase (ALT) level of ≥100 U/L. HBV reactivation-related hepatitis was defined as hepatitis with an absolute serum HBV DNA level of ≥3.3 log IU/mL or an absolute increase of ≥2 log compared with the baseline value. HBsAg-positive patients were divided into three groups based on anti–HBV prophylactic therapy: no nucleos(t)ide analogue (non–NA, n = 9), lamivudine (LAM, n = 20), and entecavir (ETV, n = 87). The 4-year cumulative incidence (CI) of hepatitis in HBsAg-positive and HBsAg-negative patients was 21.1% and 14.6% (P = .081), respectively. The 4-year CI of HBV reactivation-related hepatitis was higher in HBsAg-positive patients than in HBsAg-negative patients (8.0% vs 0.4%; P < .001). Among HBsAg-positive patients, the 4-year CI of HBV reactivation-related hepatitis was the highest in the non–NA group (33.3%), followed by the LAM (15.0%) and ETV (3.8%) groups (P < .001). Of note, 3 non–NA patients (33%) and 1 LAM patient (5%) (but no ETV patients) died due to HBV hepatitis. Based on Cox multivariate analysis, HBsAg positivity was not associated with poor overall survival. Prophylactic use of ETV would reduce the occurrence of HBV reactivation-related hepatitis and mortality in HBsAg-positive DLBCL patients receiving rituximab-containing chemotherapy.  相似文献   
9.
晏勇  李泽辉  吴运莲 《西部医学》2010,22(8):1561-1562
目的了解职业技术学校学生的健康状况,为有针对性地制定学校健康教育和疾病防治措施提供依据。方法对宜宾翠屏电子职业技术学校在校学生526人进行体检,内容包括:内科、外科、五官科常规体检,肝功能、乙肝三对、尿液分析、心电图、胸部透视。结果学生视力低下、HBsAg阳性、尿液分析异常、色弱、心电图异常检出率分别为:30.04%、10.84%、4.56%、2.47%、1.52%,男生HBsAg阳性率和尿液分析异常率明显高于女生,(P〈0.01),而女生视力低下率明显高于男生(P〈0.05)。结论应加强职业技术学校学生的健康教育并定期体检,防治重点是乙型肝炎。  相似文献   
10.
目的 分析HBsAg阳性母亲HBV感染状况与婴儿乙肝疫苗无/弱应答的关系。方法 2011年6月至2013年7月采用前瞻性研究的方法选择225对HBsAg阳性母亲及其新生儿作为研究对象,新生儿按0-1-6免疫接种程序接种乙肝疫苗并随访至婴儿1周岁,采用电化学发光免疫分析法和荧光定量PCR检测母亲及婴儿外周血HBV血清学标志物和HBV DNA载量。结果 HBsAg阳性母亲共检测出6种HBV感染模式,常见模式"HBsAg(+)、HBeAg(+)、抗-HBc(+)"(模式一)与" HBsAg(+)、抗-HBe(+)、抗-HBc(+)"(模式二)所占比例最多(92.5%,208/225);母亲HBV感染为模式一时,婴儿乙肝疫苗无/弱应答率(11.3%)低于母亲HBV感染为模式二时的婴儿无/弱应答率(23.4%),差异有统计学意义(χ2=4.80,P=0.029),随着母亲HBeAg水平的升高,婴儿乙肝疫苗无/弱应答率呈现下降趋势(χ2=4.86,P=0.028);经非条件logistic回归模型控制其他因素影响后结果显示,母亲HBeAg与降低婴儿乙肝疫苗无/弱应答发生风险有关(OR=0.598,95%CI:0.378~0.947);HBsAg阳性母亲HBV DNA阳性率为54.2%,未发现母亲HBV DNA阳性与其婴儿乙肝疫苗无/弱应答率有关(χ2=0.22,P=0.640)。结论 HBsAg阳性母亲HBV感染模式以"HBsAg(+)、HBeAg(+)、抗-HBc(+)"与"HBsAg(+)、抗-HBe(+)、抗-HBc(+)"模式为主,且该2种模式下婴儿乙肝疫苗免疫应答情况有所不同;母亲HBeAg可能是其婴儿乙肝疫苗无/弱应答的保护因素;尚未发现HBsAg阳性母亲HBV DNA与婴儿乙肝疫苗无/弱应答有关联。  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号