胎儿窘迫的诊断及其相关因素分析

分析195例以胎儿窘迫为指征行剖宫产的病例，按胎儿窘迫的不同诊断标准进行分组比较，统计其新生儿窒息率及胎儿窘迫相关因素百分率，并统计各胎儿窘迫相关因素的百分比。结果：①随着胎儿窘迫诊断指标项目的增多，发现检出的新生儿窒息率和胎儿窘迫相关因素百分率也相应升高。②胎儿窘迫的主要相关因素为脐带因素、胎膜早破、羊水过少、产程异常、胎盘因素等。认为对于胎儿窘迫应采取多指标来诊断，以提高诊断准确率；对于有胎儿窘迫相关因素者，应密切监护，积极处理，适时行剖宫产术。     

NMDA受体的调控

在中枢神经系统中，广泛存在着NMDA受体，NMDA受体的兴奋与抑制不仅与神经元本身的牛长和突触的塑造有关，而且还与大脑的认知功能、大脑的发育以及中枢神经系统损伤时神经细胞的死亡或凋亡有关，研究发现在许多环节上可调控NMDA受体，现对NMDA受体的调控机制作一简要综述。     

乙胺碘呋酮致角膜穿孔的临床分析

目的 探讨乙胺碘呋酮致角膜穿孔的因素。方法 32例48眼随访10年，观察用药剂量及疗程对角膜细胞凋亡的影响。结果 应用乙胺碘呋酮后角膜出现色素沉着，角膜个别细胞凋亡、脱落，形成溃疡，甚至穿孔。上述改变随每日药量和疗程的增加而增加。结论 若每日用药在100mg以内，不出现色素沉着；若每日用药在100—200mg，极少出现色素沉着；若每日用药在400mg以上，6周以内均可出现角膜溃疡、穿孔。如果用药1—2个月停药1周，则可避免角膜并发症的发生，损伤的程度随每日用药量和疗程而增加。     

腰椎穿刺置管持续腰池引流方法的改进

目的 观察改进后的持续腰池引流方法的效果,为降低引流并发症提供依据.方法 将72例蛛网膜下腔出血患者随机分为观察组和对照组各36例,对照组按常规方法行腰穿置管引流.观察组改进穿刺手法,用中心静脉导管置管,依次连接输液延长管、三通及引流袋.结果 两组置管引流时间比较,差异无显著性意义(P＞0.05).观察组堵管、疼痛发生率分别为0、2.78%,对照组分别为16.67%、28.57%,两组比较,差异有显著性意义(均P＜0.05).结论 改进后的腰池置管引流方法可减少引流管堵塞率、减轻患者局部疼痛.     

FasL基因表达对缺氧状态下直肠癌细胞增殖凋亡的影响

Objective To elucidate the effect of FasL gene expression on the proliferation and apoptosis of hypoxic rectal carcinoma cells. Methods The normoxic expression level of FasL in HR-8348 subtype cells (HR-8348B, HR-8348L, HR-8348F and HR-8348As) with different invasive power were verified by Western blot. Hypoxia models for HR-8348B, HR-8348L, HR-8348F and HR-8348As were constructed with chemical modeling, then the FasL levels in all groups at 12 h after hypoxia were quantitated by Western blot. Distribution of different cell life cycles was determined with flow cytometry. Cell reproductive activities were detected with MTT method, and cell apoptesis was assessed with TUNEL. Results FasL protein was pigmentized at the position of 40 000 by Western blot, and the expression level of FasL was significantly higher in HR-8348F cells than those in HR-8348B, HR-8348L and HR-8348As cells(F=361.149, P<0.01) in normoxia. At 12 h after hypoxia, the FasL level was also significantly higher in HR-8348F cells than those in other groups (F=278.766, P<0.01), but was not markedly different as compared to themselves in normoxia (t=1.762, P>0.05). The proliferation index was significantly higher in HR-8348F (60.43±3.72) than those in HR-8348B (40.01±3.30), HR-8348L (41.30±4.06) and HR-8348As cells (35.87±4.39), respectively (F=39.477, P<0.01). However, both inhibition rate of proliferation and apoptotic index were remarkably lower in HR-8348F (17.30±1.98 and 13.10±1.04) than those in HR-834B (33.70±4.33 and 21.60±1.31), HR-8348L (34.20±3.92 and 20.10±1.15), and HR-8348As (38.00±4.55 and 23.90±1.23), respectively (F=28.811 and 76.462, respectively, P<0.01). Conclusion The expression enhancement of intracellular FasL in rectal carcinoma in hypoxia can lead to accelerated proliferation and reduced apeptosis of cells, which will promote tumor cells to adapt microenvironmental hypoxia.     

应用人精子头-尾膜完整性试验对生育力组及不育组精液的评价

目的应用人精子头-尾膜完整性试验,比较生育力组与不育组男性精液4种精子膜完整性类型的差异.方法精液标本分为生育力组(n=32)和不育组(n=50),采用"低渗肿胀-伊红拒染"结合试验,检测人精子头-尾膜完整性.结果头膜尾膜均损伤的Ⅰ型精子和头膜损伤-尾膜完整的Ⅲ型精子,生育组和不育组存在明显差异(P<0.01);头膜完整-尾膜损伤的Ⅱ型精子,生育组和不育组无明显差异(P>0.05);头膜-尾膜均完整的Ⅳ型精子,生育组明显高于不育组(P<0.01);Ⅳ型精子率与生育组精子活动率(n=32, r=0.82,P<0.01)和不育组精子活动率(n=50,r=0.80,P<0.01)均呈显著相关性.结论生育组具有较多头膜-尾膜均完整的精子."低渗肿胀-伊红拒染"结合试验能够清晰显示包括过渡型膜损伤的4种膜完整性类型的精子,精子头-尾膜完整性可以作为评价精子生理学的一项检测指标.     

桃仁注射液联合高压氧治疗视网膜静脉阻塞

视网膜静脉阻塞（RVO）是眼科常见病，也是并发症多、致盲率高的眼病之一。我院自2000年以来采用自制桃仁注射液联合高压氧（HBO）治疗RVO31眼，取得较满意效果，现报告如下。     

Survivin和Bcl-2在尖锐湿疣中的表达

目的:测定survivin和Bcl-2在尖锐湿疣(CA)组织中的表达并探讨两者表达的关系。方法:应用免疫组织化学链霉菌抗生物素蛋白过氧化物酶方法(SP法)分别检测60例CA组织及10例正常包皮组织中survivin、Bcl-2基因的表达。在镜下观察切片并计算阳性细胞百分比。结果:CA组织中survivin的表达率为86.67%,显著高于正常包皮的表达率20%(P<0.01)。其中棘层的表达率85.00%显著高于基底层的表达率70.00%和颗粒层的表达率66.67%(P<0.05),基底层与颗粒层的表达率之间无显著性差异(P>0.05)。Bcl-2在CA的表达率为66.67%,正常包皮组织中未见Bcl-2蛋白表达。survivin在CA中的表达与Bcl-2呈正相关(P<0.01)。结论:本实验检测出survivin基因在CA组织中有异常表达,提示survivin蛋白引起的细胞凋亡抑制在CA的发生中起到重要的作用。survivin与Bcl-2在CA的发生发展过程中起到协同作用。     

老年患者鲍氏不动杆菌感染的情况及耐药性

随着广谱抗菌药物及免疫抑制剂在临床上的广泛应用,导致鲍氏不动杆菌(ABA)对多种抗菌药物出现了耐药性.为此,对我院临床标本分离到的135株ABA分布及耐药现状进行分析,为合理使用抗菌药物提供参考.