阿莫西林联合叶酸对慢性萎缩性胃炎的临床疗效观察

目的:观察阿莫西林联合叶酸治疗慢性萎缩性胃炎的临床疗效.方法:将70例确诊为慢性萎缩性胃炎患者随机分为2组,对照组35例给予口服叶酸治疗,实验组35例在叶酸治疗的基础上同时给予口服阿莫西林,2组均连续用药2周,观察2组患者治疗前后的临床症状、病理形态学及胃镜下的变化.结果:实验组的临床症状缓解率、病理检查好转总有效率和胃镜下表现好转总有效率分别为91.4%、85.7%和80.0%,对照组则分别为71.4%、62.9%和57.1%,两组比较差异有统计学意义(P<0.01).结论:阿莫西林联合叶酸比单独叶酸治疗慢性萎缩性胃炎的疗效更好.     

消萎散治疗慢性萎缩性胃炎56例临床分析

慢性萎缩性胃炎(CAG)是胃肠疾病中的一种常见病、多发病,其特点是病程长且缠绵难愈,对人体的健康有极大的不良影响.我国在20世纪80年代,萎缩性胃炎的发病率约占接受胃镜检查病人的60%～70%;而且这个数字在继续增大,目前许多治疗方法主要限于支持疗法,对症治疗和防治结合的方法.那么能否从传统的中医学中寻找出一条新的路子来治疗该病,目前已被许多医学同道所认识并付诸实践,并取得了可喜的进展.笔者于1992年10月～2000年12月采用中药复方"消萎散"治疗慢性萎缩性胃炎56例,并设对照组进行比较.其效果满意,现报告如下.     

慢性萎缩性胃炎辨证施治举隅

对慢性萎缩性胃炎进行辨证分析,将其分为脾胃虚弱型、胃阴不足型、脾胃湿热型、肝胃不和型和瘀血阻络型,并分别予健脾益气、养胃生津、清化和中、舒肝和胃、活血通络等法治疗,明显提高疗效.     

Morphological and pathologic changes of experimental chronic atrophic gastritis （CAG） and the regulating mechanism of protein expression in rats

INTRODUCTION In 1998 gastrointestinal pathologists reached aconsensus on the definition of chronic atrophic gas- tritis (CAG), which was described as programmed loss of gastric gland and/or replacement by intestinal glands in gastric mucosa. CAG was recognized to be closely related with development of gastric cancer and listed as precancerous lesions in this meeting (Genta, 1998). According to Correa (1992)’s cascade of gas-tric carcinogenesis, gastric cancer was believed to develop fr…     

辨证治疗慢性浅表性胃炎98例临床观察

目的：对慢性浅表性胃炎进行辨证施治,总结疗效。方法：对98例慢性浅表性胃炎患者进行辨证分析,将其分为肝胃不和型、气滞血瘀型、胃阴亏虚型、脾胃虚寒型,予相应组方治疗。结果：治愈率为65.3%,总有效率为92.9%。结论：中医辨治慢性浅表性胃炎疗效满意,值得推广应用。     

大鼠动脉粥样硬化模型的建立

动脉粥样硬化的形成是多因素引起的。从动脉粥样硬化主要的发病机制出发,介绍了几种动脉粥样硬化大鼠模型建立的具体方法,并比较了它们的优缺点。     

大鼠运动应激性溃疡模型的建立

对大鼠力竭性游泳和跑台跑运动后即刻的胃溃疡分数和运动时间进行了比较研究 ,以筛选运动应激性溃疡的建模方法。结果 :力竭性游泳运动和力竭性跑台跑运动都可导致大鼠胃粘膜呈点状或条索状的出血或溃烂 ,产生运动应激性溃疡 ;但游泳运动组动物运动时间显著延长 (p <0 .0 5) ,溃疡分数显著升高 (P <0 .0 5)。提示 :二者均可作为复制运动应激性溃疡模型的方法 ,但力竭性游泳运动较跑台跑运动更易成功复制运动应激性溃疡模型。     

链脲佐菌素致大鼠糖尿病模型的实验研究

目的：探讨链脲佐菌素诱导速发型SD大鼠实验性糖尿病模型的建立。方法：采用一次性向大鼠腹腔内注射链脲佐菌素的方法，实验中监测血糖，并取胰腺组织用组织化学和免疫组织化学染色，以Motic Med 6．0显微图像分析系统分析糖尿病大鼠胰岛细胞的数量改变。结果：注射48h后大鼠血糖明显升高，并出现糖尿病表现。形态学观察到胰岛萎缩，B细胞数量明显减少（P〈0．01），灰度降低。结论：一次性足量给予SD大鼠链脲佐菌素，可成功复制出速发型糖尿病动物模型，此药物导致糖尿病的机制是损伤B细胞。此建模方法简单，费用低，血糖反应敏感，为糖尿病组织病理研究及相关实验提供了一个较好模型。     

甲醛等挥发性物质对大鼠的亚慢性毒性实验

文章研究了不同剂量甲醛等挥发性物质对发育期大鼠体重、血液常规指标、肝肾功能的影响。研究结果表明：甲醛等挥发性物质的混合物能显著降低大鼠体重,而对肝、肾重量无明显影响;可明显提高大鼠血液中血小板（PLT）和嗜酸性粒细胞（EOS）的含量,但对血液中其它常规指标无明显影响;能明显提高大鼠血清中的谷丙转氨酶（ALT）和天冬氨酸氨基转移酶（AST）的活性．对血清中碱性磷酸酶（ALP）、γ-谷氨酰转肽酶（GGT）、血尿素氮（BUN）和肌酐（Cr）无明显影响。     

腹腔注射四氯化碳建立大鼠肝纤维化模型

腹腔注射四氯化碳(Carbon Tetrachloride,CCl4)构建大鼠肝纤维化模型,追踪观察模型大鼠病理组织学改变,为临床研究提供可靠的实验模型。模型组雄性Sprague-Dawley(SD)大鼠按1.0 ml/kg剂量腹腔注射40%CCl4-橄榄油混悬液,每周3次,共计8周;对照组同时腹腔注射等量的生理盐水。于给药1~4、6、8周末每组随机取6只大鼠肝脏,肉眼观察肝脏组织大体改变,经HE和Masson染色观察肝脏病理学改变。肝脏组织光镜下显示:模型组给药第2周肝细胞发生脂肪变性;第4周肝组织局部形成假小叶,门管区有大量纤维细胞聚集;第6~8周肝组织出现大面积假小叶,建模成功率高达88.3%。采用多点、密集的腹腔注射方法可更有效地建立大鼠肝纤维化模型,为临床提供可靠的研究模型。     

Study of sEGF level in chronic atrophic gastritis with either Chinese traditional medicine or western medicine

This study was aimed to investigate the level of sEGF in CAG with different therapies of either Chinese traditional medicine or western medicine. Patients were divided into spleen-reinforcingⅠ, spleen-reinforcing Ⅱ,dampness-resolving and western medicine group by Differentiation Syndrome. Healthy volunteers acted as controls. The sEGF was investigated before and after treatment. The level of sEGF in CAG was higher than that in control group(P<0.01). In patients of spleen-reinforcingⅠgroup and spleen-reinforcing Ⅱgroup, the symptoms and pathological manifestations were improved dramatically (P<0.01) and sEGF dropped markedly after treatment(P<0.01 and P<0.05).The level of sEGF in the dampness-resolving group increased after treatment (P<0.05). But the level of sEGF in the western-medicine group dropped a little after treatment (P>0.05). The inflammation of gastric mucosa may cause the elevation of sEGF in CAG reflectively. After being effectively treated with Chinese traditional medicine, the symptoms of CAG improved simultaneously with the return of sEGF. SEGF is a sensitive index to prognosis of CAG.     

中西医结合治疗HP阳性慢性胃炎疗效观察

目的观察中药胃复春联合奥美拉唑、阿莫西林及克拉霉素标准三联疗法治疗幽门螺杆菌（Hp）阳性慢性胃炎的临床疗效及用药安全性。方法将100例Hp阳性的慢性胃炎患者随机分成两组,两组患者均先口服奥美拉唑、阿莫西林及克拉霉素治疗7d,之后用奥美拉唑治疗35d。治疗组加用胃复春,对照组不用。疗程结束后4周复查胃镜,行Hp检测并评价临床疗效。结果两组临床疗效比较,差异有统计学意义（P〈0．01）;两组Hp阴转率比较,差异有统计学意义（P〈0．01）。结论胃复春联合奥美拉唑、阿莫西林及克拉霉素标准三联疗法治疗Hp阳性的慢性胃炎疗效显著,Hp阴转率较高,不良反应少,有较高的临床应用价值。     

产品数据管理系统中人员模型和企业流程模型的建立

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Effect of tramadol on immune responses and nociceptive thresholds in a rat model of incisional pain

Objective: To evaluate the effects oftramadol on the proinflammatory responses in a rat model of incisional pain by investigating its effects on nociceptive thresholds and serum interleukin-6 (IL-6) and IL-2 levels. Methods: Forty-two male Sprague-Dawley (SD) rats scheduled for plantar incision were randomly divided into 7 groups (n=6 in each group). Rats in Group 1 receiving general anesthesia with no incision were served as control; At 30 min before skin incision, Groups 2～5 were given 5 ml normal saline or 1, 10, and 20 mg/kg tramadol, respectively, intraperitoneally (i.p.); Group 6 received 10 mg/kg tramadol after operation; Group 7 received 10 mg/kg tramadol before incision, followed by 200 μg/kg naloxone after operation. Mechanical allodynia was measured by electronic von Frey filament to evaluate the nociceptive thresholds 1 h before incision, and 1 h and 2 h after operation. Serum IL-6 and IL-2 levels were measured by enzyme-linked immunosorbent assay (ELISA) 2 h after operation. Results: Mechanical thresholds decreased significantly and serum IL-6 level increased significantly after operation in Group 2 compared with control (P＜0.01), and these changes were reversed respectively by tramadol in a dose-dependent manner (P＜0.05 and P＜0.01, respectively). IL-2 level remained unchanged after operation in Group 2, but decreased in Group 3 (P＜0.05), then gradually returned to the normal level in Groups 4 and 5. The intraperitoneally injected tramadol (10 and 20 mg/kg) produced a potent and dose-dependent antinocicptive effect on the lesioned paw. The antinocicptive effects of tramadol were partially an-tagonized by naloxone (200 μg/kg), suggesting an additional non-opioid mechanism. Conclusion: The results suggest that tramadol could be a good choice for the treatment of pain under the conditions that immunosuppression may be particularly contraindicated.     

珍珠球防守意识中“概念模式”的建立

珍珠球运动作为少数民族传统体育竞赛项目,有其独特的竞赛健身特点。通过分析得出结论:珍珠球运动作为一项竞赛项目,其观赏性较高,并且对发展人体各项身体机能具有较好的锻炼价值。但这项运动还不太普及,技战术相对滞后。建议各级训练机构刻苦钻研,推陈出新从而更快推广和普及珍珠球运动的发展。     

A novel arterial pouch model of saccular aneurysm by concomitant elastase and collagenase digestion

Background: An ideal aneurysm model of cerebral aneurysm is of great importance for studying the pathogenesis of the lesion and testing new techniques for diagnosis and treatment. Several models have been created in rabbits and are now widely used in experimental studies; however, every model has certain intrinsic limitations. Here we report the development of a novel saccular aneurysm model in rabbits using an arterial pouch that is subject to in vitro pre-digestion with combined elastase and collagenase. Methods: A segment of right common carotid artery (CCA) was dissected out and treated with elastase (60 U/ml, 20 min) followed by type I collagenase (1 mg/ml, 15 min) in vitro. The graft was anastomosed to an arterial arch built with the left CCA and the remaining right CCA, while the other end of the graft was ligated. The dimension and tissue structure of the pouch were analysed immediately, 2 or 8 weeks after operation. Findings: Ten terminal aneurysms were produced. The gross mor-phology of the aneurysm resembles the human cerebral terminal aneurysms. We have observed the following pathological changes: (1) growth of the aneurysm (mean diameter increased from (2.0±0.1) to (3.2±0.3) mm at 2 weeks, P<0.001, n=7~10); (2) thinning of the aneurysmal wall (the mean wall thickness decreased to 44% at 2 weeks), which was accompanied by significant losses of elastic fibres, collagen and the cellular component; and (3) spontaneous rupture (3 out of 9, one aneurysm ruptured 24 h after operation with the other two at 2 and 4 weeks respectively). Conclusion: This rabbit arterial pouch model mimics human cerebral aneurysms in relation to morphology and histology. In particular, this model exhibited an increased tendency of spontaneous rupture.     

珍珠球防守意识中“概念模式”的建立

珍珠球运动作为少数民族传统体育竞赛项目,有其独特的竞赛健身特点。通过分析得出结论：珍珠球运动作为一项竞赛项目,其观赏性较高,并且对发展人体各项身体机能具有较好的锻炼价值。但这项运动还不太普及,技战术相对滞后。建议各级训练机构刻苦钻研,推陈出新从而更快推广和普及珍珠球运动的发展。     

P_(53)、PCNA在胃粘膜中的表达及其与胃癌发生的关系

目的为探讨P_(53)、PCNA抗原在胃粘膜中的表达情况及其与胃癌发生的关系方法：应用LsAB免疫织化方法对80例胃粘膜进行了检测结果显了胃癌中P_(53)、PCNA强阳性表达率（80％、93．3％）明显高于异型增生（467％,53．3％）异型增生中P_(53)、PCNA强阳性表达率明显高于慢性萎缩性胃炎及慢性浅表性胃炎．结论研究结果表明,检测P_(53)、PCNA在肖粘膜中的不同表达,对胃癌发生机理的认识有重要意义．