茶碱和双丁酰-cAMP对巨噬细胞水解酶影响的细胞化学观察

本文通过细胞体外培养,细胞化学定量分析等方法,观察了茶碱和双丁酰-cAMP对C_(57)BL/6J小鼠腹腔巨噬细胞酸性磷酸酶、α-醋酸萘酚酯酶的作用和影响.卡介苗活化的巨噬细胞与固有巨噬细胞相比,其酸性磷酸酶、α-醋酸萘酚酯酶活性明显升高.卡介苗活化的巨噬细胞在茶碱或双丁酰-cAMP作用下。酸性磷酸酶、α-醋酸萘酚酯酶活性明显受到抑制.茶碱或双丁酰-cAMP对固有巨噬细胞的酸性磷酸酶、α-醋酸萘酚酯酶无抑制作用.     

围手术期肠外营养支持在胃癌根治术的应用

1986～1988年的胃癌扩大根治术221例及根治性全胃切除术19例非肠外营养(N-TPN)支持为对照组,与1991～1993年的198例及61例施行TPN治疗为实验组进行对比。N-TPN组术后并发症总发生率为7.2％,TPN组则为2.0％;全胃切除术并发症发生率分别为31.6％和4.9％(P<0.01)。吻合口瘘发生率N-TPN组分别为2.7％和10.5％,而TPN组则均为0.0％(P<0.01)。膈下脓肿发生率N-TPN组为31.6％和15.8％,而TPN组则为1.5％和3.3％(P<0.05)。但本研究是回顾性的,所以要有待进行前瞻性的、对照的、随机的大范围研究。     

黄疸出血群赖型017株钩端螺旋体外膜单克隆抗体免疫...

BALB/c mice were immunized intraperitoneally with outer envelopes of serogroup icterohaemorrhagiae lai serovar strain 017 leptospires. Monoclonal antibodies against outer envelopes (IgG, agglutinating titre 1:25,600) were produced by hybridoma technique. The monoclonal antibodies ascites (diluted 1:100) 1 ml administered intraperitoneally 1 hour before the intraperitoneal injection of 2 x 10(8) leptospires of strain 017 and the subsequent daily administration of McAb in similar doses for five days protected 80% of guinea pigs. Survival rates of three control groups which received physiological saline, ascites of BALB/c mouse myeloma cell lines SP2/0, and monoclonal antibodies against Pseudomonas aeruginosa in place of monoclonal antibodies against outer envelopes of strain 017 leptospires were 10%, 20% and 10% respectively. When killed 20 days after challenge, guinea pigs of experiment group were normal at autopsy. Old pulmonary haemorrhage were present in the animals of three control groups. Passive immunoprotection experiments have demonstrated immunoprotection of monoclonal antibodies against outer envelopes of strain 017 leptospires. It will be valuable for separating protective antigen fraction of outer envelopes and studying new vaccine of leptospira.     

糖皮质激素受体高、低亲和力位点在急性淋巴细胞性白血病治疗中的意义

研究了１０例正常人和２９例急性淋巴细胞性白血病（急淋）患者外周血糖皮质激素受体高、低亲和力结合位，或（ＧＣＲＨ、ＧＣＲＬ），利用Ｒｕ３８４８６对ＧＣＲＬ进行封闭，对部分患者ＧＣＲＨ、ＧＣＲＬ在激素联合化疗前后水平的变化进行了动态观察。结果表明，正常对照组ＧＣＲＨ、ＧＣＲＬ分别为４６０８±１８８９位点／细胞和１３５２３８±８８５０９位点／细胞，两者相关良好。急淋患者ＧＣＲＨ、ＧＣＲＬ分别为６０５２±３８８８位点／细胞和１２６４０５±１０２１３３位点／细胞，经过糖皮质激素药物联合化疗后，其水平分别为３６１６±１９６２位点／细胞和１４３５９７±１１２２８９位点／细胞，ＧＣＲＨ下降明显（Ｐ＜０．０１），下降率为４０．３％；而ＧＣＲＬ化疗前后差异不显著（Ｐ＞０．０５）。提示ＧＣＲＬ在介导糖皮质激素联合化疗疗效的维持中起重要的作用。     

384例女青年乳房形态学调查

对384例未婚女青年的双侧乳房进行了调查研究,提供了有关乳房、乳头、乳晕的形态、大小和位置等各项重要的测量数据,可供乳房成形术时参考。     

孕妇血浆尿酸正常值及其在妊娠高血压综合征的诊断价值

测定了133名正常孕妇和133名妊高征患者的血浆尿酸,其平均值分别为324.00μmol/L和388.91μmol/L,有显著性差异,且尿酸增高程度与病情轻重有关,但两组尿酸分布大部分重叠。确定了孕妇血浆尿酸的95％正常值上限为445μmol/L,在此基础上评价了尿酸对妊高征的诊断价值,认为血浆尿酸只适合用于判断妊高征病情严重程度,不宜用于妊高征的诊断和鉴别诊断。     

Surgical Management of PICA Aneurysm and Incidental Facial Nerve Schwannoma: Case Report.

We report a patient with a posterior inferior cerebellar artery (PICA) aneurysm and an incidental facial nerve schwannoma at the cerebellopontine angle (CPA). A 46-year-old woman presented with the sudden onset of a severe headache, nausea, and vomiting. She had no other abnormal neurological symptoms and signs. Computed tomography (CT) showed hemorrhage in the fourth ventricle. Cerebral angiography demonstrated an aneurysm arising from the tonsillomedullary segment of the left PICA. A facial nerve schwannoma was incidentally found as the aneurysm was being clipped. The aneurysm was clipped via a left transcondylar approach. Subsequently, the schwannoma (2 x 3 x 2 mm) was resected from the facial nerve fascicles, and the facial nerve was preserved. Postoperatively, the patient developed mild to moderate dysfunction of the facial nerve (House-Brackmann grade III [H-B III]) but her hearing was intact. Both a facial nerve schwannoma involving the CPA and an aneurysm involving the PICA can be managed through the transcondylar approach. An asymptomatic facial nerve schwannoma can be resected safely with minimal facial nerve dysfunction.     

腹腔镜胆囊切除术后钛夹在腹腔内异位的观察

目的　观察腹腔镜胆囊切除术 (LaparoscopicCholecystectomy ,L .C)后钛夹在腹腔内异位。方法　前瞻性对2 0 0 2年 1～ 5月间 6 0例L .C病人进行追踪观察临床表现 ,采用B超、腹部X线检查等方法 ,观察钛夹位置的变化与肝外胆管的关系。结果　 6 0例L .C后病人中 5例钛夹发生位置改变。结论　①钛夹在体内 ,对胆道无压迫、无胆漏 ;②观察钛夹异位 ,以采用B超为最简单、经济的方法。     

螺旋CT的滑环故障及维修

滑环是螺旋CT最基本的部件之一,承担着扫描架中固定与旋转部件之间的供电、接地及信息传递等功能,并介绍了滑环的基本结构、故障检修及维护.     

应用避孕套保护喉镜

喉镜是气管插管的必备工具，为在不影响其使用功能的同时避免交叉感染，我科使用避孕套保护喉镜，取得了良好效果。现介绍如下。