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1.
①目的 探讨急性脑梗死(ACI)病人白细胞流变特性及细胞黏附分子表达的变化及意义。②方法采用红细胞变形能力测定仪、体外血栓血小板黏附两用仪及酶联免疫吸附法(ELISA),检测了72 例ACI病人、42例脑出血病人及48 例健康人白细胞变形能力(LD)、白细胞黏附功能(LAF)、白细胞CD18 表达及血清可溶性细胞间黏附分子-1(sICAM-1)和可溶性血管细胞间黏附分子(sVCAM-1)浓度的变化。③结果 ACI病人白细胞滤过指数(LFI)、白细胞黏附率(LAR)、白细胞CD18表达及sICAM-1 及sVCAM-1 浓度均明显升高,与脑出血病人及对照组比较差异有极显著性(t= 7.663~14.872,P< 0.001),且这些指标变化随着ACI病变程度加重而明显。ACI病人LFI和LAR与白细胞CD18 表达、sICAM-1 和sVCAM-1 浓度呈正相关(r= 0.680~0.724,P均< 0.001),LFI与LAR呈正相关(r= 0.685,P< 0.001)。④结论 白细胞流变特性和细胞黏附分子表达异常与ACI发病和病变程度有密切关系  相似文献   

2.
①目的 探讨白细胞流变特性及白细胞黏附分子(CAMs)表达与银屑病关系,及藻酸双酯钠(PSS)对其影响。③方法 采用DXC-300A型核孔滤膜红细胞变形能力测定仪、体外血栓血小板黏附两用仪及ELISA性细胞间黏附分子-1(sICAM-1)含量的变化。③结果 银屑病病人白细胞滤过指数(LFI)、白细胞黏附率(LAR)、白细胞CD18表达及sICAM-1含量明显增高,与对照组比较差异有极显著性(t=6  相似文献   

3.
急性心肌梗死病人细胞黏附分子水平的动态变化   总被引:2,自引:0,他引:2  
目的 探讨急性心肌梗死(AMI)病人细胞黏附分子的动态变化及临床意义。方法 采用酶联免疫吸附法(ELISA),检测了67例AMI病人发病第1,4,7天以及38例健康人、42例陈旧性心肌梗死(OMI)病人白细胞CD15表达、血浆可溶性细胞间黏附分子-1(sICAM-1),可溶性血管细胞间黏附分子-1(sVCMA-1)的变化。③结果 AMI病人白细胞CD18表达、sICAM-1、sVCAM-1浓度明显  相似文献   

4.
①目的 探讨糖尿病性血管病变与血浆低密度脂蛋白(OX-LDL)及可溶性细胞间黏附分子-1(sICAM-1)水平变化的关系。②方法 采用酶联免疫吸附法(ELISA),检测了60例2型糖尿病(NIDDM)病人和48例健康人血浆OX-LDL和sICAM-1水平变化。③结果 NIDDM病人血浆OX-LDL,sICAM-1水平明显增高,与对照组比较差异有极显著性(t=7.021,11.203,P〈0.001  相似文献   

5.
①目的探讨白细胞粘附功能(LAF)和细胞粘附分子(CAMs)表达与肺心病的关系。②方法采用酶联免疫吸附法(ELISA),分别检测了68例肺心病病人急性加重期和缓解期及46例健康人外周血白细胞CD18表达,血清可溶性细胞间粘附分子-1(sICAM-1)和白细胞粘附率(LAR)的变化。③结果肺心病病人白细胞LAF,CD18表达及sICAM-1浓度明显增高,与对照组比较差异有极显著性(t=6.902,21.482,31.923,P均<0.001),且急性加重期较缓解期增高更明显(t=4.578,8.264,17.806,P均<0.001)。肺心病病人白细胞LAF与CD18表达及sICAM-1浓度呈正相关(r=0.672,0.803,P均<0.001)。④结论LAF增高和CAMs表达增加参与了肺心病的发生与发展,以及与病情严重程度均有密切关系。  相似文献   

6.
目的探讨藻酸双酯钠(PSS)对肺炎病儿细胞黏附分子表达的影响。②方法采用ELISA法,检测了应用PSS治疗前后肺炎病儿外周血白细胞CD18的表达、血清可溶性细胞间黏附分子-1(sICAM-1)和可溶性血管细胞间黏附分子-1(sVCAM-1)浓度的变化。③结果肺炎病儿外周血白细胞CD18表达、sICAM-1和sVCAM-1浓度明显增高,与对照组比较差异均有极显著性(t=6.270~9.882,P均<0.001)。应用PSS治疗后白细胞CD18表达、sICAM-1和sVCAM-1明显降低,与治疗前和普通治疗组比较差异均有极显著意义(t=7.552~69.930,P均<0.001)。④结论PSS能明显降低肺炎病儿细胞黏附分子表达。  相似文献   

7.
肺心病病人白细胞粘附功能与细胞粘附分子表达的变化   总被引:4,自引:0,他引:4  
目的 探讨白细胞粘附功能(LAF)和细胞粘附分子表达与肺心病的关系。方法 采用酶联免疫吸附法(ELISA)分别检测了68例肺心病病人生加重期和缓解期及46例健康人外周血白细胞CD18表达,血清呆溶性细胞间粘附分子-1和白细胞粘附率(LAR)的变化。结果 肺心病病人白细胞LAF,CD18表达及sICAM-1浓度明显增高,与对照组比较差异有极显著性,且生加重期较缓解期增高明显。肺心病病人白细胞LAF与  相似文献   

8.
目的探讨冠心病病人外周血淋巴细胞补体Ⅰ型受体(CR1)表达及血清可溶性白细胞介素-2受体(sIL-2R)浓度的变化。②方法采用淋巴细胞花环试验和酶联免疫吸附法(ELISA),检测了72例冠心病病人和63例健康人淋巴细胞CR1花环率(L-CR1R)及血清sIL-2R浓度变化。③结果冠心病病人L-CR1R明显降低,sIL-2R浓度明显增高,与对照组比较差异有极显著性(t=6.414,7.806,P<0.001)。冠心病病人L-CR1R与sIL-2R呈负相关(r=-0.815,P<0.001)。不稳定心绞痛(UA)、急性心肌梗死(AMI)和陈旧性心肌梗死(OMI)病人L-CR1R和sIL-2R比较,差异亦具有极显著性(F=7.860,11.579,q=6.627~10.550,P<0.001),且以AMI病人的变化最明显。④结论外周血淋巴细胞CR1表达和血清sIL-2R浓度异常与冠心病病情变化有密切关系。  相似文献   

9.
为了解体外循环期间瓣膜替换手术患者白细胞、内皮细胞表面粘附分子的表达及这些粘附分子表达水平之间的关系,测定了12例患者体外循环前后外周血白细胞β2粘合素(β2-integrins)、血浆可溶性细胞间粘附分子-1(solubeintercelularadhesionmolecule-1,sICAM-1),和可溶性E-选择素(solubleE-selectin,sE-selectin)。结果:体外循环后β2-integrins(CD11a、CD18、CD11a/CD18,CD11b,CD11b/CD18),sICAM-1和sE-selectin表达上调(P<0.05);β2-integrins和sICAM-1、sE-selectin表达水平之间存在明显的相关关系(P<0.005)。结果显示:①体外循环伴随着明显的白细胞-内皮细胞粘附反应;②体外循环期间有关的粘附分子以受体-配体形式表达;③血浆可溶性内皮细胞粘附分子sICAM-1、sE-selectin可间接估计内皮细胞表面ICAM-1、E-selectin表达情况  相似文献   

10.
目的:探讨可溶性细胞间粘附分子(sICAM-1)在急性脑血管病(ACVD)发生、发展中的作用。方法:采用酶联免疫吸附方法,测定62例ACVD患者和25例对照组血清sICAM-1的含量。结果:与对照组相比,ACVD血清sICAM-1含量均明显升高(P<0.01),动态观察显示,随着病情的好转,sICAM-1含量逐渐下降。ACVD患者头CT片病灶越大,sICAM-1含量升高也越明显。结论:血清sICAM-1含量的高低可作为判断ACVD患者病情变化的指标之一。  相似文献   

11.
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.  相似文献   

12.
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.  相似文献   

13.
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.  相似文献   

14.
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.  相似文献   

15.
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.  相似文献   

16.
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.  相似文献   

17.
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.  相似文献   

18.
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.  相似文献   

19.
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.  相似文献   

20.
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.  相似文献   

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