Longitudinal neurological follow-up of a group of HIV-seropositive and HIV-seronegative hemophiliacs: results from the hemophilia growth and development study

BACKGROUND: Boys and young men with hemophilia treated with factor infusions before 1985 had a substantial risk of acquiring the human immunodeficiency virus (HIV) and the acquired immunodeficiency syndrome. This study was designed to assess the effects of HIV and hemophilia per se on neurological function in a large cohort of subjects with hemophilia, and to investigate the relationships between neurological disease and death during follow-up. METHODS: Three hundred thirty-three boys and young men (207 HIV seropositive and 126 HIV seronegative) were evaluated longitudinally in a multicenter, multidisciplinary study. Neurological history and examination were conducted at baseline and annually for 4 years. The relationship between neurological variables, HIV serostatus, CD4+ cell counts, and vital status at the conclusion of the study was examined using logistic regression models. RESULTS: The risks of nonhemophilia-associated muscle atrophy, behavior change, and gait disturbance increased with time in immune compromised HIV-seropositive subjects compared with HIV seronegative or immunologically stable HIV-seropositive subjects. The risk of behavior change in immune compromised HIV-seropositive hemophiliacs, for example, rose to 60% by year 4 versus 10% to 17% for the other study groups. Forty-five subjects (13.5%), all of whom were HIV seropositive, died by year 4. Subjects who died had had increased risks of hyperreflexia, nonhemophilia-associated muscle atrophy, and behavior change. CONCLUSIONS: These results indicate that immune compromised, HIV-seropositive hemophiliacs have high rates of neurological abnormalities over time and that neurological abnormalities were common among subjects who later died. By contrast, immunologically stable HIV-seropositive subjects did not differ from the HIV-seronegative participants. Hemophilia per se was associated with progressive abnormalities of gait, coordination, and motor function.     

熊胆、狗胆的薄层色谱鉴别

通过游离胆汁酸的薄层层析实验，鉴别熊胆、狗胆所含不同的化学成份。此法简单易行，可准确鉴别出熊胆掺狗胆的掺伪品     

前列腺癌的诊断(附159例分析)

回顾性分析18年间159例前列腺癌的诊断结果，其发病率近9年明显增高。发病率与年龄是正相关。直肠指诊（DRE）诊断阳性率为72．96％（116／159），经腹B超69．23％（18／26），CT90．32％（28／31），ACP45．71％（32／70），PSA85．92％（61／71），穿刺活检89．32％（92／103）。作者建议：DRE、PSA可作为60岁以上男性排尿困难患者的常规检查，期望早期检出前列腺癌。     

中药银杏叶提取物治疗冠心病心绞痛的临床研究

中药银杏叶提取物的主要成分是总黄酮与内脂。我们使用4家药厂制作的3种制剂（含量相等）来治疗冠心病心绞痛，通过观察346例患者服药4周后心绞痛的发作变化，加用相关药物的减停情况，以及心电图ST变化等指标，综合评估银杏叶提取物的临床疗效。结果：其症状总有效率为91．33％，心电图总有效率为73．99％，未见毒副反应。说明银杏叶提取物对心绞痛有良效。     

血管内皮生长因子及其受体对喉癌细胞生长的影响

为探讨血管内皮生长因子（ＶＥＧＦ）在喉癌中的作用及可能的作用方式，用抗ＶＥＧＦ抗体及其受体ｆｌｔ抗体通过微波处理暴露抗原后，进行标准化的ＥｌｉｔｅＡＢＣ染色；将不同浓度的抗ＶＥＧＦ及抗ｆｌｔ抗体分别加入ＨＥＰ－２细胞的培养液中，培养５ｄ后测ＨＥＰ－２细胞的活性（ＭＴＴ法）。结果：免疫组化染色显示ＶＥＧＦ及其受体ｆｌｔ主要在喉癌细胞和血管内皮细胞表达；不同浓度的ＶＥＧＦ抗体及抗ｆｌｔ抗体对ＨＥＰ－２     

高血压病左心室肥厚患者血浆P物质水平的变化及活血祛痰治法的影响

目的：探讨血浆Ｐ物质与高血压病左心室肥厚的关系以及活血祛痰治法对其影响。方法：免疫法检测左心室肥厚（ＥＨ－ＬＶＨ）患者用活血痰法治疗前一血浆ＳＰ水平的变化。同时检测ＥＨ－ＬＶＨ患者治疗前后左心室指数、平均动脉压、血浆肾素活性及血管紧张素Ⅱ浓度等的变化。结果、ＥＨ－ＬＶＨ患者血浆ＳＰ水平显著下降，与高血压无左心室肥厚患者及健康人组比较有显著性差异；ＰＲＡ及ＡｎｇⅡ浓度明显高于健康人组。经活血祛痰法治     

不同采收期蜈蚣商品质量比较

对我国现行的春季采收及传统秋季采收的蜈蚣商品初步理化分析及药理作用比较研究,表明秋季采收的商品质量较优,但捕捉难度大,商品不易干燥、贮藏。从商品收购、营销环节考虑,现行的春季采收方法是行之有效的。     

中耳粘连手术治疗的疗效观察

中耳粘连是耳外科治疗的难题之一.为总结20年来手术治疗的体会和教训,对105例(129耳)的治疗情况进行了回顾性分析.对中耳粘连进行了分类,表明选择正确的手术方式有助于听力的改善;亦表明异物作为隔离物是不可取的;要进一步提高手术疗效尚有待进一步的探讨.