婴儿晚发性维生素K缺乏致颅内出血52例分析

维生素K缺乏作为婴儿期颅内出血的常见原因已引起临床高度重视。我院1997年7月～2002年1月共收治晚发性维生素K缺乏致颅内出血52例。现报告如下；     

铁调节蛋白2基因多态性与阿尔茨海默病及血管性痴呆的相关分析

Objective To evaluate the association of 2616c/T polymorphism in iron regulatory protein 2(IRP2)gene with Alzheimer disease(AD)and Vascular dementia(VD).Methods In this study,281 patients with AD,60 with VD,and 285 normal aged were recruited.The 2616C/T polymorphism in IRP2 gene was analyzed by using polymerase chain reaction-restriction fragment length polymorphism.And the cognitive function was assessed with the Mini-Mental State Examination(MMSE).Results (1)No significant difieFences were demonstrated in IRP2 genotype or allele frequencies between AD patients and controls(χ2=2.46,P=0.292;χ2=2.17,P=0.141 respectively).However,when AD patients were stratified by disease severity.the frequency of T allele carriers in the moderate to severe AD patients was 78.0%,significantly higher than that in controls(69.8%;χ2=4.106,P＜0.05).Logistic regression analysis demonstrated that the age-,sex-and ApoE-adiusted OR of modcrate to severe AD patient with T allele was 1.62(95% CI=1.03-2.54).The frequency of T allele carriers or T allele in VD patients was higher than that of controls,but the difference was not statistically significant(P＞0.05).(2)The frequency of tit genotype or T allele in the moderate to severe AD patients was significantly higher than that in mild AD patients(25.8%vs.12.5%,χ2=5.477,P＜0.05;51.9%vs.40.3%,χ2=5.803,P＜0.05 respectively).(3)MMSE scores of the AD patients with TT genotype was significantly lower than ones with CC or CT genotype(P=0.028;P=0.014 respectively).Conclusion The 2616C/T polymorphism in the IRP2 gene is possibly associated with moderate to severe AD.but not associated with VD.And the TT genotype may be a risk factor for cognitive impairment of patients with AD in Chinese Han.     

老年男性雄激素部分缺乏综合征患者唾液睾酮分泌模式与疲劳和自我效能感的关系

许多年龄在50岁以上的男性，表现为性欲减退、易疲劳、心境恶劣，其骨质疏松速度加快、肌肉力量下降。老年男性雄激素部分缺乏综合征（PADAM）的主诉也主要以心理障碍为主。这些研究提示，老年男性雄性激素下降的确与其情绪症状、疲劳存在某种联系。本文旨在探讨PADAM患者唾液睾酮日间分泌模式的改变与疲劳和自我效能感的关系。     

对诊断PADAM的血清游离睾酮界限值的初探

目的探寻诊断中老年男子部分雄激素缺乏综合征(PADAM)血清游离睾酮(FT)的界限值。方法根据60例45岁以上健康男性完成伊斯坦布尔症状量表(ISS)与视听性刺激(AVSS)时阴茎勃起监测结果进行分组,计算AVSS勃起功能正常组推算的游离睾酮(CFT)值的参考范围。结果AVSS勃起功能正常组CFT的中位数为0．37(0．20～0．52)nmol/L,异常组的中位数为0．25(0．12～0．40)nmol/L,z=2．25,P＜0．05,差别有显著性意义。两组性功能症状的差别也有极显著性意义(P＜0．01)。CFT的界限值是0．20nmol/L。结论研究用ISS和AVSS勃起功能正常对象的血清FT值,可为诊断PADAM建立界限值。     

“维生素AD、铁营养强化奶的研制”研究报告

目的:研制维生素AD、铁营养强化奶,用于群体有效防治维生素AD、铁缺乏.方法:应用微胶囊技术科学配方成维生素AD、铁营养粉,添加到鲜牛奶中.结果:工业化生产维生素AD、铁营养强化奶.结论:该产品取得了很好的社会效益和经济效益.     

催化分光光度法测定人发中微量铁

拟定了一简单实用的测定人发中铁的催化分光光度法。在实验条件下,人发中常见的数10种微量元素均不干扰铁的测定,回收率达86～106%。     

充血性心力衰竭与血清铁镁锌关系的探讨(附86例报告)

本文采用火焰原子吸收光谱法对86例充血性心力衰竭患者和40例健康者进行了血清微量元素铁镁锌的检测,并进行了对比分析,随访病期动态改变。结果表明:充血性心衰各组血清铁镁锌水平与对照组存在显著差异(P<0.01),且随着心衰的加重血清铁镁锌下降明显(P<0.01),随着心功能的改善,血清铁镁锌渐回升,提示血清铁镁锌的含量与充血性心衰的发生发展密切相关,能反应心衰的程度并可做为判断预后的指标。适当补充铁镁锌有助于心功能的改善。