血清胆红素水平与女性冠心病关系的探讨

目的：探讨血清胆红素水平与女性冠心病的关系。方法：109例女性患者按冠状动脉造影结果分为冠心病组（74例）和非冠心病组（35例）。同时测定血清胆红素及各项生化指标。冠状动脉狭窄程度用冠状动脉狭窄计分表示。结果：女性冠心病组血清总胆红素、直接胆红素和间接胆红素水平均显著低于非冠心病组（P〈0．01）。相关分析显示，女性冠心病组直接胆红素与总胆固醇（TC）和甘油三酯（TG）呈显著负相关（r1=-0．398，r2=-0．405，P均〈0．01）。三种胆红素水平与冠状动脉病变积分均不呈负相关。结论：低血清胆红素水平是冠状动脉粥样硬化的危险因素。     

血清总胆红素与冠状动脉狭窄的相关性

目的 :探讨血清总胆红素水平与冠状动脉狭窄程度的关系。方法 :符合条件的冠状动脉造影患者 14 6例 ,根据狭窄程度分成 3组。正常组 :6 0例 ,血管狭窄程度 <10 %。轻度狭窄组 :16例 ,狭窄程度 10 %～ 4 9%。重度狭窄组 :70例 ,至少一支血管狭窄 >5 0 %。采空腹肘静脉血测定血清总胆红素水平并进行比较。结果 :正常组血清总胆红素显著高于轻度狭窄组及重度狭窄组 （P<0 .0 5 ） ,轻度狭窄组与重度狭窄组之间血清总胆红素水平差异无显著性。重度狭窄组中单支病变与两支病变、单支病变与三支病变的总胆红素水平有高度显著差异 （P<0 .0 1）。血清总胆红素水平越低者 ,冠状动脉狭窄程度越重。结论 :血清总胆红素水平与冠状动脉狭窄程度呈负相关。     

血清胆红素及血脂与冠状动脉Gensini评分的关系

目的 探讨血清胆红素水平与血脂及冠状动脉Gensini评分的关系,并进一步评估血清胆红素水平对冠状动脉粥样硬化程度的预测价值。方法 选取2015年8月至2017年4月我院心血管内科住院患者184例,依据冠状动脉造影结果分为对照组59例及冠心病组125例,后根据冠状动脉Gensini评分将冠心病组分为2组：低分组（Gensini评分<45分）81例和高分组（Gensini评分≥45分）44例,将各组血清胆红素及血脂水平进行比较,同时分析血清胆红素、血脂及冠状动脉Gensini评分之间的相关性。结果 (1).各组间血清胆红素及血脂水平比较,差异具有统计学意义（P<0.05）;(2).HDL-C与冠状动脉Gensini评分呈负相关（P＜0.01）,TC、TG、LDL-C与冠状动脉Gensini评分呈正相关（P＜0.01）;(3).血清胆红素与TC、TG、LDL-C呈负相关（P<0.05）,与HDL-C呈正相关（P<0.05）; (4).血清胆红素与冠状动脉Gensini评分呈负相关（P<0.05）。结论 血清胆红素水平越低,预示冠状动脉粥样硬化程度越严重,监测血清胆红素的水平对冠心病的早期预测有一定的临床意义。     

血清胆红素与冠状动脉狭窄程度的关系

目的探讨血清胆红素水平与冠状动脉狭窄程度的关系.方法分析经冠状动脉造影确诊的冠心病患者192例及对照组非冠心病患者158例的血清胆红素水平.结果冠心病组血清胆红素水平明显低于对照组(P<0.01),并且随着病变严重程度的加重,血清胆红素水平逐渐降低(P<0.01).结论血清胆红素水平与冠状动脉狭窄程度呈负相关.     

血清胆红素与血脂及冠状动脉病变程相关性研究

目的:探讨冠心病患者血清胆红素与血脂及冠状动脉病变程度的相关性.方法:将346例冠状动脉造影患者分为冠心病(287例)对照组(59例).分别测定血清胆红素、甘油三酯(TG)、总胆固醇(TC)、低密度脂蛋白胆固醇(LDL-C)及高密度脂蛋白胆固醇(HDIL-C)浓度.根据美国心脏病学会(AHA)评分标准,结合冠状动脉造影结果进行冠状动脉狭窄程度评分.观察2组病例总胆红素(TBIL)与血脂及冠状动脉狭窄程度的相关性.结果:外周血TBIL浓度冠心病组(7.6±3.2)μmol/L比对照组(12.1±3.2)μmol/L低,差异有显著性(P<0.05);TC、LDL-C浓度冠心病组(5.79±1.53)mmol/L、(5.34±1.48)mmol/L较对照组(3.82±1.15)mmoL/L、(2.27±0.69)mmol/L高差异有显著性(P<0.05);HDL-C浓度冠心病组(1.11±0.57)mmol/L较对照组(1.46±0.23)mmol/L低差异有显著性(P<0.05);冠心病组TBIL与LDL-C、TC呈负相关,与HDL-C呈正相关;冠状动脉狭窄指数与TBIL、LDL-C、HDL-C有相关关系;多因素回归分析显示LDL-C及TBIL与冠状动脉狭窄指数明显相关.结论:冠心病患者TBIL水平降低;冠心病患者TBIL与TC及LDL-C有显著负相关,与HDL-C呈显著正相关;冠心病患者冠状动脉狭窄程度与TBIL及HDL-C呈负相关.     

心绞痛、心肌梗死患者血清胆红素浓度分析

目的：探讨血清总胆红素浓度与冠心病的关系。方法：检测115例冠心病心绞痛,心肌梗死患及75例非冠心病病人血清总胆红素浓度,分析冠心病与胆红素水平的关系。结果：冠心病心绞痛,心肌梗死患血清总胆红素浓度明显低于非冠心病组（P＜0．05）,血清总胆红素与总胆固醇,低密度脂蛋白胆固醇,载脂蛋白B水平呈负相关,结论：低胆红素血症可能是冠心病危险因子之一,胆红素对血脂代谢有影响。     

冠状动脉病变程度与血清尿酸、胆红素及血脂水平的相关性

目的:探讨血清尿酸、胆红素及血脂水平与冠状动脉狭窄的关系及意义。方法:对225例疑为冠心病的患者行冠脉造影并测定空腹血清尿酸,胆红素及血脂水平,采用Gensini评分系统衡量冠脉造影结果。依据冠脉造影结果,分为正常对照组(105例)和冠心病组(120例),冠心病组又分为单支病变组(43例)、双支病变组(38例)和多支病变组(39例),分析血清尿酸、胆红素及血脂水平在各组间的差异性,及与冠脉病变程度的相关性。结果:单因素方差分析显示,血清尿酸、总胆红素、间接胆红素、总胆固醇、甘油三酯、低密度脂蛋白-胆固醇及低密度脂蛋白-胆固醇/总胆红素比值在各组间的分布差异有显著性(除甘油三酯F=1.058,P0.05外余F=10.913～56.238,P0.001);多元线性回归分析显示,血清尿酸、总胆红素、直接胆红素、甘油三酯及低密度脂蛋白-胆固醇/总胆红素比值与冠状动脉狭窄程度的评分独立相关(β=0.268,-0.526,0.250,-0.039,0.316,P0.05～0.01)。结论:血清总胆红素浓度降低,尿酸、总胆固醇、甘油三酯及低密度脂蛋白-胆固醇/总胆红素比值升高是冠心病的危险因素,血清尿酸、胆红素与血脂联合检测在冠心病的诊断中具有重要意义。     

冠状动脉病变程度与血清总胆红素和尿酸的相关性分析

目的探讨冠状动脉病变程度与血清总胆红素和尿酸的关系。方法选择78例曾进行选择性冠脉造影的病人,按冠脉狭窄程度分为4组,进行血清总胆红素和尿酸测定。结果血清总胆红素与冠脉狭窄的严重程度呈独立的负相关,而血清尿酸与冠脉狭窄的严重程度呈独立的正相关。结论血清总胆红素、尿酸含量作为反映冠心病患者体内氧化与抗氧化系统活动情况的生化指标,对预测冠脉病变程度的进展及预后有指导意义。     

老年人血清胆红素水平与冠状动脉病变程度的关系

目的观察老年人血清胆红素与冠状动脉病变的关系。方法经冠状动脉造影确诊的冠心病患者80例,其中冠状动脉轻度狭窄组15例,中度狭窄组32例,重度狭窄组33例;另外选取冠状动脉造影正常者40例做对照。采用重氮苯磺酸法测定血清胆红素水平,并对胆红素与各因素进行直线相关分析。结果冠心病组血清胆红素水平明显低于正常对照组,血清胆红素水平与冠状动脉病变程度成显著负相关关系(r=-0.26,P<0.05)。结论冠心病患者血清胆红素水平较正常人明显降低。低血清胆红素可能是冠心病的一种危险因素。血清胆红素水平与冠状动脉狭窄程度有明显相关性。     

冠心病患者血清胆红素与血脂水平的关系

目的　探讨血清胆红素及血脂水平与冠心病的关系。方法　回顾性分析经冠状动脉造影确诊的冠心病患者6 7例及非冠心病患者 6 7例的血清胆红素及血脂水平。结果　冠心病患者血清总胆红素、直接胆红素、间接胆红素、高密度脂蛋白胆固醇水平均低于非冠心病患者 ,总胆固醇、三酰甘油、低密度脂蛋白胆固醇水平高于非冠心病患者。相关分析表明 ,血清胆红素尤其是间接胆红素与低密度脂蛋白胆固醇呈负相关 ,与高密度脂蛋白胆固醇呈正相关。结论　低水平胆红素及高水平低密度脂蛋白胆固醇对冠心病的发生产生不利影响     

Research and Evaluation of the Influence of the Construction of the Gate and the Influence of the Piston Velocity on the Distribution of Gases into the Volume of the Casting

Distribution of gasses to the cast volume and volume of pores can be maintained within the acceptable limits by means of correct setting of technological parameters of casting and by selection of suitable structure and gating system arrangement. The main idea of this paper solves the issue of suitability of die casting adjustment—i.e., change of technological parameters or change of structural solution of the gating system—with regards to inner soundness of casts produced in die casting process. Parameters which were compared included height of a gate and velocity of a piston. The melt velocity in the gate was used as a correlating factor between the gate height and piston velocity. The evaluated parameter was gas entrapment in the cast at the end of the filling phase of die casting cycle and at the same time percentage of porosity in the samples taken from the main runner. On the basis of the performed experiments it was proved that the change of technological parameters, particularly of pressing velocity of the piston, directly influences distribution of gasses to the cast volume.     

县级以下综合医疗机构医务人员对现代结控知识的认识现状调查

目的本文旨在了解医务人员现代结控知识掌握的现状及培训效果?方法于培训前后进行问卷调查,内容包括:病例发现?结核病诊断及化疗?结果培训前疫情报告和转诊,回答正确者占75.2%?71.7%;对临床表现?查痰和诊断依据,回答正确者占83.5%?42.5%?40.8%;抗痨药物?用药方法?化疗原则?短化方案?短化疗程?治愈标准六项,回答正确者占58%?14.4%?20.8%?9.2%?17%?24.3%?培训后再次调查发现,90%以上医务人员对现代结控基本知识已掌握?结论各级医务人员现代结控知识是很贫乏的,因此,对其进行系统培训是极为必要的,此项工作省时?省力?投入少,可收到事半功倍的效果。     

Preservation of the pylorus and resection of the head of the pancreas

The historical evolution of the pylorus-preservation resection of the head of the pancreas is traced from the first resections early in this century to relative standardization of the operation, to a lowering of the operative mortality, and to an interest in improving nutritional status after resection. There are many theoretical advantages for the function of the upper gastrointestinal tract after pylorus and gastric preservation, such as maintenance of gastric capacitance and equilibration of osmotic pressure in gastric digestants, foodstuff digestion and absorption, and bowel motility. After the pylorus-preserving resection, gastric emptying is normal, pyloric function to prevent duodenal reflux is often normal, and gastric acids and serum levels of duodenal hormones are at normal levels, whereas after standard pancreatoduodenectomy, all of these are often abnormal. No prospective blinded studies have been published comparing nutritional values after the two operative procedures, but evidence is presented of a satisfactory result with regard to gastric capacitance, body weight gain, and lack of postgastrectomy symptoms. An undoubted advantage of the pylorus-preserving feature is a simplification of the operation. These gains are achieved without increase in operative mortality, without increase in the incidence of jejunal ulcer, and without theoretical or actual decrease in value of the procedure as a cancer operation, except in patients with duodenal carcinoma proximal to the ampulla of Vater.     

Preservation of the pylorus in resection of the head of the pancreas

Pylorus preservation has been advocated to decrease the morbidity associated with the classical or standard pancreaticoduodenectomy. The proposed advantages are decreased incidence of peptic ulceration, dumping syndrome, and nutritional problems. However, after an initial period of enthusiasm for the procedure, it is now being found that marginal ulceration at the duodenojejunal anastomosis is encountered with increasing frequency. Delay in gastric emptying occurs frequently, with an overall incidence of 30%. With the availability of better pancreatic enzyme supplements, the current incidence of nutritional problems and weight loss after the standard Whipple procedure is unknown. Whether there is a difference in long-term survival after the two procedures performed for adenocarcinoma of the head of the pancreas is still debatable. A controlled trial is needed to answer many of these questions, and pylorus-preserving pancreaticoduodenectomy should be used cautiously until further data become available.