氯苯扎利二钠的抗炎作用

报道氯苯扎利二钠（ＣＣＡ）对几种动物炎症模型的影响。结果表明，大剂量ＣＣＡ（１００ｍｇ／ｋｇ，ｉ．ｐ．）对角叉菜胶所致大鼠足肿胀及二甲诱发的小鼠耳部肿胀两种急性炎症模型有明显抑制作用；ＣＣＡ连续用药６天可明显抑制大鼠琼脂肉芽肿，对炎症的晚期反应亦有影响；ＣＣＡ对ＡＡ大鼠的急性炎症相及继发性炎症相均有抑制作用，以１０ｍｇ／ｋｇ剂量组效果最好。     

左旋门冬氨酸钙对小鼠迟发型变态反应和大鼠皮肤炎症性渗出的影响

运用小鼠迟发型变态反应（ＤＴＨ）模型和组织胺（Ｈ）、５－羟色胺（５－ＨＴ）诱发大鼠皮肤炎症性渗出的方法，观察了左旋门冬氨酸钙（Ｌ－Ｃａ－Ａｓｐ）对小鼠耳肿胀和大鼠皮肤炎症反应的影响，并与葡萄糖酸钙（Ｃａ－Ｇｌｕ）作比较。结果表明，Ｌ－Ｃａ－Ａｓｐｉｐ１６５ｍｇ·ｋｇ－１和３３０ｍｇ·ｋｇ－１对小鼠ＤＴＨ有明显的抑制作用；Ｌ－Ｃａ－Ａｓｐｉｐ２５０ｍｇ·ｋｇ－１和５００ｍｇ·ｋｇ－１对Ｈ、５－ＨＴ分别诱导的大鼠皮肤炎症性渗出亦有较明显的抑制作用，其抑制效应不亚于Ｃａ－Ｇｌｕ，提示Ｌ－Ｃａ－Ａｓｐ对动物过敏和（或）炎症反应具有一定的抑制作用。     

五灵脂乙酸乙酯提取物抗炎作用研究

五灵脂乙酸乙酯提取物（ＷＬＺ）腹腔注射４００ｍｇ／ｋｇ对二甲苯所致小鼠耳壳肿胀及对角叉菜胶所致大鼠足跖肿胀有显著抑制作用；灌胃６００ｍｇ／ｋｇ能明显抑制由醋酸引起的小鼠腹腔毛细血管渗出；腹腔注射８００ｍｇ／ｋｇ对小鼠棉球肉芽组织增生有明显抑制作用．ＷＬＺ能显著降低炎症组织的前列腺素Ｅ（ＰＧＥ）含量，但对小鼠血清皮质酮水平无显著性影响，表明ＷＬＺ的抗炎作用与其抑制ＰＧＥ合成或释放有关．     

二亚水杨基-1,2-丙二胺铜的抗炎作用

目的：观察二亚水杨基－１，２－丙二胺铜的抗炎作用。方法：用该配合物（４００ｍｇ／ｋｇ）时，分别测定对小鼠蛋清性足趾肿胀、小鼠耳壳二甲苯致肿及由冰醋酸引起腹膜毛细血管通透性的影响；用量为３００ｍｇ／ｋｇ时对大鼠甲醛性足趾肿胀及棉球肉芽组织增生的影响。结果：该配合物对早期急性渗出性炎症及亚急性和慢性炎症均有明显的抑制作用。结论：该配合物确有抗炎作用。     

还原型谷胱甘肽对DEN诱发大鼠肝癌的预防作用

目的：研究还原型谷胱甘肽（ＧＳＨ）对化学致癌原Ｎ－二乙基亚硝胺（ＤＥＮ）诱致雄性Ｓｐｒａｇｕｅ－Ｄａｗｌｅｙ大鼠肝癌的保护作用。方法：雄性 ＳＤ大鼠 ７５只分成 ７组，每天 ＤＥＮ ８ｍｇ／ｋｇ ｉ．ｇ 诱发大鼠肝癌模型，分别不同途径预防性给予ＧＳＨ。结果：对照组１６ｗ后大鼠的肝脏癌变率为７６．５％，伴有镜检典型的弥漫性癌结节、畸型核分裂和重度肝硬化及胆管炎，于 １２ｗ及 １６ｗ ＡＫＰ及 γ－ＧＴ明显增高；同剂量 ＤＥＮ １６ｗ伴以 ＧＳＨ １５０ｍｇ／ｋｇ、３００ｍｇ／ｋｇ、 １０００ｍｇ／ｋ（ｉｐ）及 １０００ｍｇ／ｋｇ（ ｉｇ） １６ｗ，明显降低癌变率，分别降为１１．１％、１６．７％、１６．７％及１８．２％；ＧＳＨ大剂量组大鼠未癌变，肝组织仅见少量纤维增生，ＡＫＴ及γ－ＧＴ值与正常大鼠无显著差异；ＤＥＮ诱癌１２ｗ后用ＧＳＨ治疗４ｗ对大鼠肝脏癌变率无明显防治效果。结论：早期用外源性 ＧＳＨ对 ＤＥＮ诱发大鼠肝癌有预防作用，ＤＥＮ诱发肝癌形成后用ＣＳＨ无效。     

卡芬尼对黄疸大鼠淋巴细胞及肝功能的影响

采用胆总管结扎，丝裂原诱导的脾细胞（３Ｈ）－ＴｄＲ掺入及血生化指标检测等方法，观察卡芬尼（ＣＣＡ）对病理状态下淋巴细胞及肝细胞功能的影响。结果发现；大鼠胆总管结扎后血清总胆红素升高（转氨酶正常）；电镜下肝细胞线粒体明显肿胀；ＣｏｎＡ诱导的脾淋巴细胞增殖反应和白细胞介素２的生成均降低；ＣＣＡ（５０ｍｇ·ｋｇ－１·ｄ－１×７ｄ，ｉｇ）对上述Ｔ淋巴细胞的功能改变有拮抗作用，对血清总胆红素的升高有部分抑制作用，对肝细胞线粒体肿胀有明显抑制作用。提示ＣＣＡ对胆总管结扎引起的肝损伤有一定的治疗作用，对阻塞性黄疸引起大鼠Ｔ细胞功能的低下有上调作用。     

熊去氧胆酸对实验性大鼠淤胆保护作用的研究

为建立大鼠淤胆模型，并观察熊去氧胆酸（ＵＤＣＡ）对其的作用。将雌性大鼠分成４组：对照组每只灌胃０．５％羧甲基纤维素（ＣＭＣ）；模型组每只灌胃雌二醇（ＥＥ）及氯丙嗪（ＣＰＺ）；大剂量ＵＤＣＡ组每日给ＥＥ及ＣＰＺ，同时灌胃ＵＤＣＡ６０ｍｇ／ｋｇ；小剂量ＵＤＣＡ组则给ＵＤＣＡ３０ｍｇ／ｋｇ。给药１４天，分别于第７及１４天处死５及１０只，停药７天后处死剩余５只，宰杀时取血测肝功能，称空腹体重及肝重，并取鼠肝标本切片光镜检查。结果：给药１周后模型组与对照组在脏器系数与生化指标方面有显著差异，２周后差异明显加大，且与ＵＤＣＡ剂量相关。本实验以ＥＥ及ＣＰＺ制成的大鼠淤胆肝损模型可用于临床肝内淤胆性疾病的基础研究；ＵＤＣＡ使大鼠免受肝毒性药物的攻击，故为临床用其治疗一些淤胆性肝病提供佐证     

刺人参皂甙对大鼠血压的影响

观察了刺人参皂甙（ＣＲＳ）静脉注射对大鼠血压等的作用，ＣＲＳ（１０ｍｇ／ｋｇ）静脉注射可使大鼠平均动脉压（ＭＡＰ）下降而ＣＲＳ（３０ｍｇ／ｋｇ，１００ｍｇ／ｋｇ）则可引起大鼠ＭＡＰ明显升高（Ｐ〈０．０５），此作用可被妥拉苏林对抗。同时测定血浆单胺类物质浓度的结果表明，给予ＣＲＳ（３０ｍｇ／ｋｇ）后，大鼠血浆中去甲肾上腺素（ＮＡ）含量明显升高，并有显著的统计学意义。     

东莨菪碱治疗吗啡成瘾大鼠的量－效关系

用经典方法建立大鼠吗啡急性成瘾模型，用不同剂量东莨菪碱治疗。结果提示：（１）东莨菪碱能明显缓解吗啡成瘾大鼠用纳洛酮激发的戒断症状，０．２５ｍｇ／ｋｇ东莨菪碱治疗组与生理盐水对照组比较，二者有极显著的差异（Ｐ＜０．００１）。在０．２５ｍｇ／ｋｇ～１．５０ｍｇ／ｋｇ剂量范围内，抑制百分率一剂量呈线性关系，回归方程ｙ＝２．９９ｘ－１．０６（ｒ＝０．９９），ＥＤ（５０）＝０．５２ｍｇ／ｋｇ。（２）东莨菪碱能明显缓解吗啡成瘾大鼠停用吗啡后出现的戒断症状，０．１２５ｍｇ／ｋｇ东莨菪碱治疗组与吗啡自身脱瘾组比较，两者有显著性差异（Ｐ＜０．０５）。在０．１２５ｍｇ／ｋｇ－１．００ｍｇ／ｋｇ剂量范围内，其作用与东莨菪碱剂量呈正相关。     

鹅绒藤对离体豚鼠心房收缩力及频率的影响

鹅绒藤水溶性浸膏（ＡＥＣＣ）及正丁醇提取物（ＢＩＣＣ）对离体豚鼠左心房均表现出依剂量性负性肌力作用，半效抑制浓度（ＩＣ_５０）ＡＥＣＣ为４．５ｍｇ／ｍｌ．ＢＩＣＣ为１．３ｍｇ／ｍｌ，二者高浓度时对离体豚鼠右心房频率有明显抑制作用。经测定二者对小鼠半数致死量（Ｌｄ５０）分别为（ＡＥＣＣ、ｉｐ、ＬＤ５０）３．８±０．４ｇ／ｋｇ、（ＢＩＣＣ、ｉｖ、ＬＤ_５０）０．６０±０．０７ｇ／ｋｇ（９５％可信限）。     

Value of D-Dimers in patients with acute aortic dissection

Objective: To evaluatel the value of D-dimers in patients with acute aortic dissection (AAD). Methods: This study consisted of 16 patients with AAD and 27 non-AAD patients. Serum D-dimets were measured by Sta-Liatest D-DI immunoturbidimetric assay. Results: D-dimer level was higher (P ＜ 0.001) in patients with AAD(7.91 ± 5.52 μg/ml) than that in non- AAD group(1.57±1.24 μg/ml). D-dimer was positive (＞0.4 μg/ml) in all patients with AAD and in 10 control group patients (37%). Among patients with acute AAD, D-dimers tended to be higher in Stanford A than in Stanford B (8.67 ± 4.31 μg/ml vs. 3.24±1.27 μg/ml, P ＜0.01). D-dimer values tended to be higher in more extended disease(3.84 ± 1.65 μg/ml, 8.57 ± 3.58 μg/ml and 11.87 ± 5.69 μg/ml in thoracic aorta, thoracic and abdominal aorta, thoracic and abdominal aorta and iliacal arteries, respectively, P ＜ 0.05 for both 8.57 ± 3.58 and 11.87 ± 5.69 vs. 3.84 ± 1.65 ). Including the control group into the analysis, we found a sensitivity of 100%, a negative predictive value of 100%, and a specificity of 66% and a positive predictive value of 64% for D-dimer in diagnosis of AAD in our patients with suspected AAD. Conclusion: D-dimer was elevated in patients with AAD. A negative D-dimer test result could be useful in excluding AAD.     

Research of combined liver-kidney transplantation model in rats

Objective： To set up a simple and reliable rat model of combined liver-kidney transplantation. Methods： SD rats served as both donors and recipients. 4℃ sodium lactate Ringer＇s was infused from portal veins to donated livers,and from abdominal aorta to donated kidneys, respectively. Anastomosis of the portal vein and the inferior vena cava （IVC） inferior to the right kidney between the graft and the recipient was performed by a double cuff method, then the superior hepatic vena cava with suture. A patch of donated renal artery was anastomosed to the recipient abdominal aorta. The urethra and bile duct were reconstructed with a simple inside bracket. Results： Among 65 cases of combined liver-kidney transplantation, the success rate in the late 40 cases was 77.5%. The function of the grafted liver and kidney remained normal. Conclusion： This rat model of combined liver-kidney transplantation can be established in common laboratory conditions with high success rate and meet the needs of renal transplantation experiment.     

BLOOD PRESSURE CHANGE WITH AGE IN SALT-SENSITIVE TEENAGERS

Objective To observe blood pressure change with age in salt-sensitive teenagers whose salt sensitivity were determined by repeated testing.Methods Salt sensitivity was determined through intravenous infusion of normal saline combined with volume-depletion by oral diuretic furosemide in 55 teenagers. After five years, salt sensitivity was re-examined and subject blood pressure was followed up. Blood pressure changes in salt-sensitive teenagers were compared to that of non-salt sensitive teenagers over five years.Results After 5 years, the repetition rate of salt sensitivity determined by intravenous saline loading is 92.7%. In teenagers with salt sensitivity on the baseline, both the systolic blood pressure increments and increment rates were much higher than non-salt sensitive teenagers (12.7±12.1 mmHg vs. 2.8±5.2 mmHg, P＜ 0.01; 12.2%± 12.0% vs. 2.5% ±4.4%, P＜ 0.001,respectively). There was a similar trend for diastolic blood pressure (8.4 ± 6.4 mmHg vs. 3.7 ± 6.4 mmHg, P = 0.052; 13.2% ±10.6 % vs. 6.8%± 10.1%, P = 0.053, respectively).Conclusions Salt sensitivity determined by intravenous saline loading showed good reproducibility. Blood pressure increments with age were much higher in salt-sensitive teenagers than non-salt sensitive teenagers, especially in terms of systolic blood pressure.     

安心颗粒对急诊经皮冠状动脉介入术后生活质量影响的研究

目的：评价使用安心颗粒对急诊经皮冠状动脉介入术（PPCI）术后生活质量的影响.方法：将160例接受PPCI的急性ST段抬高型心肌梗死患者随机分为安心颗粒组（术前顿服安心颗粒8.8g,术后安心颗粒4.4 g/次,每日2次）和对照组（仅接受基础药物治疗）.所有患者均服用阿司匹林、氯吡格雷和阿托伐他汀.分别在入院时、出院前1d、出院后180 d时,应用心肌梗死多维度量表（MIDAS）、中文版SF-36评价量表对患者生活质量评分.并观察术后30 d以内的出血并发症、血小板减少症发生情况.结果：入院时和出院前1d,两组患者的心肌梗死MIDAS、SF-36量表评分比较无差异（P＞0.05）;出院后180 d时,与对照组比较,安心颗粒组MIDAS、SF-36评分明显减低（P＜0.05）;组内与入院时比较,两组出院前1d、出院后180 d时,MIDAS、SF-36评分均降低（P＜0.05）.两组患者在随访期间均无大量出血、少量出血、重度和极重度血小板减少症发生,安心颗粒组有4例、对照组有7例发生不明显出血（P＞0.05）.两组发生轻度血小板减少症的患者数比较无差异（P＞0.05）.结论：PPCI使用安心颗粒,能改善急性ST段抬高型心肌梗死患者的生活质量,且不增加出血风险.     

The comparative studies of the influences of Urapidil and Nicardipine on sino-atrial node function, atrio-ventricular node function and hemodynamics

Objective:To investigate the influences of urapidil and nicardipine on rabbit sinus function,atrio-ventricular node function and hemodynamics.Methods:Thirty-two Angora's rabbits were selected and randomly divided into four groups.U1 group:urapidil 0.25 mg/kg;U2 group:urapidil 0.5 mg/kg;N1 group:nicardipine 10 μg/kg;N2 group:nicardipine 20 μg/kg.All these medicine were administrated within 30 seconds.Measurements were taken before and after the administration of urapidil or nicardipine for the following data:mean blood pressure(MAP),heart rate(HR),sino-atrial conduction time(SACT),maximal sinoatrial recovery time(SNRTmax)corrected sinus node recovery time(CSNRT),index of sinus node recovery time(SNRTI),Wenckebach A-V conduction frequency (WB),and P-R interval.Results:Significant MAP and HR changes were identified in all of the four groups before and after administration of both urapidil and nicardipine.No significant changes could be found in the rest of the parameters.Intergroup analysis showed that SACT and CSNRT of N1 and N2 groups were shorter than those of the U2 group(P＜0.01);the MAP decreased(P＜0.01)and the HR increased drastically(P＜0.01).Conclusions:Neither urapidil(0.25 mg/kg,0.5 mg/kg)nor nicardipine(10μg/kg,20μg/kg)has any significant influence on rabbit sinus function or rabbit atrio-ventricular node function.Nicardipine could be a better choice than urapidil for parafunctional sinus node patients.     

Expression of OPGmRNA and ODFmRNA in the patients of hip fracture due to osteoporosis

Objective：To investigate the gene expression of osteoprotegerin（OPG） and osteoclast differentiation factor（ODF） in the bone tissue of patients with hip fracture due to osteoporosis. Methods：OPGmRNA and ODFmRNA in the bone tissue in 50 cases of osteoporosis sufferers（over 50 years old） with hip fracture（Observer Group） and 30 cases of hip facture sufferers with no osteoporosis（Control group） were analyzed with the Semi-Quantitative RT-PCR method. Results：The mRNA expressed of ODF, OPG were both high in the patients with hip fracture. In the control group, the expression of OPG mRNA was observed, while the expression of ODF mRNA was very slight. Conclusion：Aged patients contained all signals including OPG, ODF that are essential for inducing osteoclastogenesis and promoting bone resorption.     

The clinicopathological and immuohistochemical analysis of solid-pseudopapillary tumor of the pancreas： report of 9 cases

Objective：To investigate the clinical features, pathological characteristics and immunophenotype of solid-pseudopapillary tumor of the pancreas（SPTP）. Methods：Nine surgically treated cases of SPTP were retrospectively reviewed. Hematoxylin and Eosin（HE） staining and immunohistochemical staining were used to analyze all cases, and the general clinical data was collected. Results：Six patients were asymptomatic except for a palpable mass. Two patients complained of vague-epigastric pain. One patient appeared jaundice. The tumor was encapsulated and solid tissues alternately with cystic tissues. Histologically, the histological structure of solid portion was pseudopapillary with a fibrovascular core. Tumor cells were uniform and medium-sized which were arranged in sheets ets or nests or pseudopapillary patterns. Immunohistochemical studies demonstrated that SPTP proved positive in vimentin（9/9 cases）, AAT（9/9 cases）, NSE（9/9 cases）, ACT（7/9 cases）, CK20（2/9 cases）, CgA（1/9 cases）, S-100（3/gcases）, PR（4/gcases）, Syn（3/9 cases） and CD56（5/9cases）, negative in CEA and ER. Conclusion：SPTP is a tumor predominantly occurring in young women frequently without special symptoms. This tumor has various characteristical histological patterns with different immunophenotype.     

Dynamic Changes in Serum Estradiol and Progesterone levels in Patients of Premenstrual Syndrome with Adverse Flow of Liver-qi

Objective:To probe into the influence of changes of ovarian hormones on the pathogenesis of the specific sub-type premenstrual syndrome(PMS)and reveal partial microcosmic mechanisms of adverse flow of liver-qi.Methods:Estradiol(E2)and progesterone(P)levels in serum were determined at different phases of menstrual cycle by radioimmunoassay.Results:In the group of PMS with adverse flow of liver-qi.the secretive peak value Of E2 and P at the follicular phase significantly decreased,and the secretive peak value at the luteal phase did not come into being.Conclusions:Low E2 and P secretive peak at the follicular phase and absence of secretive peak at the luteal phase is one of the microcosmic mechanisms of PMS with adverse flow of liver-qi.One of the pathophysiologic mechanisms of specific sub-type PMS is probably the continuous low level of E2and P.     

Real-time Three-dimensional Echocardiography in Assessment of Left Ventricular and Right Ventricular Volumes

Real-time three-dimensional echocardiography (RT3DE)is a new ultrasound technique that enables dynamic threedimensional visualization and quantification of the heart in real time. Investigation of feasibility and methodology of RT3DE in determining left ventricular (LV) and right ventricular (RV) volumes, RT3DE was performed in 35 normal adults using Philips SONOS 7500 system with a 2-4 MHz matrix array transducer. The 60°×60° "pyramid" volume database was obtained and analyzed on a TomTec echo workstation. Both LV and RV volumes were calculated with four 3DE methods (i.e. apical 2, 4, 8, and 16-plane) through manually tracing ventricular endocardial borders in end diastole and end systole. Stroke volumes were then calculated. LV volume was also measured by 2DE Simpson's rule using GE VIVID 7 ultrasound machine.     

SCREENING FOR A 21-CHROMOSOME ABNORMALITY IN PREIMPLANTED EMBRYOS OF ELDERLY WOMEN

Increasing maternal age is the only etiological factor unequivocally linked to Down's syndrome in humans. The occurrence rate of newborns with Down's syndrome is about 1/220 in women over 35 years old. However, the occurrence rate in embryos fertilized in vitro, of the elder woman is unclear. Using FISH we screened the number of chromosome 21 in preimplanted embryos of 5 elderly women (average age, 38.4 years) to study the feasibility and necessity of screening trisomy 21 in embryos in patients over 35 years old at the in vitro fertilization (IVF) center.