深刺鸠尾穴治疗癫痫

癫痫为临床常见病 ,治疗困难。我院应用鸠尾穴深刺治疗本病 ,取得了较满意的疗效 ,现介绍如下。治疗方法取鸠尾穴 ,患者仰卧 ,双手抱头 ,在前正中线剑突下 0 .5寸 (剑突不明显者可在胸骨体下端 1寸处 )取穴。治疗前先叩触肝脾位置 ,确定肝脾下缘在所取穴位的上面。局部经严格消毒后 ,嘱患者双臂上举或双手抱头以使膈肌上抬。用 2 6号毫针 ,在患者深吸气后进针 ,针尖微向下斜刺或直刺 2～ 3寸 ,进针后略微转动针体。此时患者可感到局部胀闷 ,并向上下扩散。禁止大幅度捻转和提插。典型病例张某 ,男性 ,2 6岁 ,1 989年 3月 1 9日初诊。患者 5…     

小剂量咪达唑仑在俯卧位硬膜外麻醉腰椎手术的应用

硬膜外麻醉是腰椎间盘手术应用较多的麻醉方法之一，多为俯卧位，患者常处于清醒状态，要达到较满意的麻醉效果，减少患者的焦虑与恐惧，常需要辅助其他药物。本文旨在观察不同剂量咪达唑仑在硬膜外腰椎手术中镇静作用的效果和对呼吸的影响。     

必需微量元素锌（Zn）、铜（Cu）、硒（Se）、锰（Mn）、碘（Ⅰ）、对动物生殖的影响

动物必需元素包括常量元素和微量元素两大类，而必需微量元素中的锌、铜、硒、锰、碘是影响动物生殖的最重要的微量元素。本文论述了锌、铜、硒、锰、碘等必需微量元素分别对雄性动物及雌性动物生殖的作用和影响。     

医用加速器“挡束块”的辐射屏蔽作用

随着我国经济发展，医疗事业进步，一些医疗单位放疗科使用医用加速器替代^60Co远距离治疗机(简称^60Co治疗机)。笔者单位拟装备VARIAN2100医用加速器，最大加速电压10MV。如果在医用加速器初级x射线(有用射线束)方向装置一个射线挡束块(Beam Stop Block)(也可以将加速器配重改装成挡束块)，挡束块由计算机实现自动连锁控制，能     

斜睾吸虫感染光滑双脐螺对曼氏血吸虫攻击感染的影响

复殖目寄生虫在软体动物体内的发育对宿主繁殖功能有抑制作用。雷蚴能侵蚀宿主螺的性腺组织及神经内分泌系统；胞蚴对宿主螺有“阉割”作用，复殖目寄生虫与其中间宿主软体动物存在互相拮抗作用。雷蚴能积极地抑制其他寄生虫幼虫而表现出主动的拮抗作用，胞蚴只能引起由宿主螺内在防御机     

幽门螺杆菌CagA及其致病作用的研究进展

CagA是幽门螺杆菌最重要的毒力因子之一，CagA阳性的Hp菌株同胃炎、萎缩性胃炎、十二指肠疾病和胃癌等消化道疾病相关。本文综述了Hp的毒力因子CagA的基因组、CagA定植于胃上皮细胞、CagA酪氨酸磷酸化位点、CagA入胞的靶向以及CagA多态性、毒性与胃癌的关系的近年研究状况。     

湿热环境下密闭性功能敷料护理伤口对β—内啡肽的影响

OBJECTIVE: To study the changes of plasma beta-endorphin (beta-EP) in pigs with traumatic injury after occlusive wound dressing supplemented with antiphlogistic and analgesic agents in hot and humid environments (HHE). METHODS: Traumatic models were established in 10 pigs, 5 of which received antiphlogistic- and analgesic-supplemented occlusive dressings of the wounds (experiment group, EG), while the rest pigs were assigned to control group (CG) to receive routine wound management. The pigs in both groups were then exposed to artificial HHE and at different time points during the exposure, the plasma beta-EP level, respiratory frequency and heart rates were measured respectively. RESULTS: The plasma beta-EP concentration of EG was significantly lower than that of CG (P <0.01) after the injury, but in both groups, the levels before the injury were similar to those measured at hour 8 during HHE exposure and at hour 24 following the injury. The variation range of the respiratory frequency and heart rates during HHE exposure were significantly smaller in EG than CG (P <0.01). CONCLUSION: This supplemented occlusive wound dressing can help restrain the peak of plasma beta-EP level and the variation range of respiratory frequency and heart rates of pigs exposed to HHE.     

亚低温对大鼠短暂性脑缺血迟发性神经元死亡的影响

目的 观察亚低温（33℃）对大鼠短暂性脑缺血后神经元的保护作用。方法 32只DS大鼠分为假手术组、常温缺血组和即刻亚低温组，采用尼氏体亚甲蓝特殊染色观察存活神经元、原位细胞凋亡检测法（TUNEL染色）检测及电镜观察脑缺血后大鼠CA1区神经元凋亡情况。结果 与假手术组相比，常温缺血组海马CA1区存活的锥体细胞数目减少（P＜0．01）；与常温缺血组相比，亚低温缺血组海马CA1区存活的锥体细胞数目明显增多（P＜0．01）。亚低温缺血组大鼠海马CA1区TUNEL染色阳性细胞数目明显少于常温缺血组（P＜0．01）。结论 脑缺血后迟发性神经元死亡很可能通过凋亡途径，亚低温对缺血后神经元的保护作用与减少神经元凋亡有关。