Objective To explore the effect of renal microcirculation following severity acute pancreatitis （SAP） on renal injury and to explore the protection effect of urokinase on them. Methods A total of 192 Wistar rats were randomized divided into normal control group， SAP group， and urokinase group， then rats of 3 groups were sub-divided into 2， 6， 12， and 24 hours group， each group enrolled 16 rats. Of the 16 rats in each subgroup， 8 rats underwent blood flow of renal test， other 8 rats were sacrificed to get blood samples and to perform histopathological examination. The rat models of SAP were established by retrograde injecting with 5% sodium taurocholate into the cholangiopancreatic duct. Radioactive biomicrosphere technique was used to measure the blood flow of renal， levels of plasma thromboxane B2（TXB2） and 6-keto-prostaglandin F1α （6-Keto-PGF1α） were tested by the TXB2 kit and 6-Keto-PGF1α kit， and histopa-thological changes of renal tissues were observed by using HE staining. Results Compared with normal control group at the same time point， the blood flow of renal were lower （P＜0.05）， activity ratio of TXB2 to 6-Keto-PGF1α were higher（P＜0.01）， and the histopathological injury were worse （P＜0.01） in rats of SAP group and urokinase group. Compared with SAP group， the blood flow of renal at 2， 6， and 12 hours in urokinase group were higher （P＜0.01）， the activity ratios of TXB2 to 6-Keto-PGF1α were lower （P＜0.01）， and the histopathological injury were lighter （P＜0.05） in all the 4 time points of urokinase group. Conclusions The renal microcirculation dysfunction and increase of activity ratio of TXB2 to 6-Keto-PGF1α may play an important role in renal injury following SAP in early stage. Urokinase can protect the renal from such injuries.
目的：观察前房冲洗术联合尿激酶治疗严重外伤性前房积血的临床疗效。方法：选择近3年来我科收治的严重外伤性前房积血患者57例(56眼)，随机分为Ａ组29例(29)眼)、Ｂ组28例(28眼)，Ａ组采用先前房注入尿激酶再行前房冲洗的方法，Ｂ组行单纯前房冲洗术。观察术中及术后并发症；术后视力、眼压情况。结果：Ａ组术中干净清除血凝块29眼(100％)，术中出血5眼(17.24％)，无虹膜损伤，术后第一天矫正视力≥0.5有24眼，眼压≥21 mm Hg者4眼(13.79％)；Ｂ组术中仍有少量血凝块4眼(14.29％)，术中出血4眼(14.29％)，虹膜损伤1眼(3.57％)，术后第一天矫正视力≥0.5有16眼，眼压≥21 mm Hg者8眼(28.57％)。Ｂ组术后仍有少量血凝块者加用药物治疗后吸收，两组病例中高眼压均加用药物控制正常，一周时视力无明显差异(P＞0.05)。结论：前房冲洗术前先使用尿激酶治疗严重外伤性前房积血是一种操作更安全，更有效的手术方法。
Objective To investigate the expression of urokinase-type plasminogen activator (uPA) mRNA in gastric cancer tissues and cancer-adjacent tissues and the relationship between its expression and biologic behavior of tumor. Methods Fourty-eight cases with gastric cancer were detected for the expression of uPA mRNA by fluorogenic probe quantitative reverse transcription polymerase chain reaction (RTPCR). Results The positive expression rate of uPA mRNA was 83.3%, 25.0%, 93.8% and 62.5% in gastric cancer tissues,cancer-adjacent tissues, gastric cancer tissues with lymph node metastasis and with non-lymph node metastasis respectively. Expression of uPA mRNA was positively related with the invasion depth of gastric cancer. Conclusion Expression of uPA mRNA is significantly increased in gastric cancer and it can be used as an indicator to judge the metastasis and prognosis of tumor.
Objective To evaluate the efficacy of intrapleural urokinase treatment for unloculated tuberculous pleural effusion. Methods Chinese Conference Data, Chinese Biomedical Database, VIP Database,Wanfang Database, Cochrane Library, PubMed, and Evidence-based Medical Evaluation Database were searched up to February 2012, and the studies as references of eligible articles were also searched. Randomized controlled trials were included for evaluating the efficacy of intrapleural urokinase treatment for unloculated tuberculous pleural effusion. Mean difference MD and 95% confidence interval ( 95% CI) were calculated for the efficacy of urokinase in the treatment. After the test for heterogeneity, forest map was used to analyze the efficacy of intrapleural urokinase treatment. The funnel plot was used to discuss the publication bias. Results Nine randomized controlled trials met all eligible criteria. This meta-analysis indicated that compared with the conventional treatment, the urokinase treatment increased total drainage( pumping liquid) ( P lt; 0. 000 01) , decreasd residual pleural thickening ( P lt; 0. 000 01) , improved lung function with significant increase in FEV1% pred ( P lt; 0. 000 01) . Conclusions Compared with the conventional treatment( anti-tubercular treatment in combination with pumping pleural effusion) , the treatment which injects urokinase to chest cavity can increase total pleural effusion, decrease residual pleural thickening, and improve the lung function.
Objective To compare the effects of heparin versus urokinase injection intrapleurally in the management of pleural thickening and adhesion due to tuberculous exudative pleurisy. Methods Sixty patients with tuberculous pleurisy were allocated into three groups randomly. Sodium heparin ( heparin group) , urokinase ( urokinase group) , and 0. 9% saline ( control group) were intrapleurally injected respectively. The concentrations of fibrinogen and D-dimer in pleural effusion were measured before and after the injection. The duration of absorption and the total drainage volume of pleural effusion were recorded. The pleural thickness and adhesion were observed two months after the injection. Results In 72 hours after the intrapleural injection, the concentration of fibrinogen( g/L) in the pleural effusion was significantly increased in the heparin group( 1. 13 ±0. 44 vs 0. 34 ±0. 19, P lt; 0. 001) , and significantly decreased in the urokinase group( 0. 25 ±0. 16 vs 0. 38 ±0. 15, P lt; 0. 05) when compared with baseline. Concentrations of D-dimer in the pleural effusions were significantly higher than those at baseline in both the heparin group and the urokinase group( 57. 0 ±17. 6 vs 40. 0 ±15. 4, P lt; 0. 05; 74. 5 ±16. 4 vs 43. 8 ±14. 9, P lt; 0. 001) . There were no significant differences in the absorption duration of pleural effusion among the three groups( P gt;0. 05) . The total drainage volume of pleural effusion was higher in the heparin group and the urokinase group compared to the control group( P lt;0. 01) . And the total volume of pleural effusion was significantly higher in the heparin group and the urokinase group than that in the control group( 2863 mL and 2465 mL vs 1828 mL,P lt;0. 01) . Two months after the intervention, the pleura were thinner[ ( 1. 37 ±0. 82) mm and ( 1. 33 ±0. 85) mmvs ( 3. 06 ±1. 20) mm, P lt; 0. 01] and the incidence of pleural adhesion was significantly lower[ 15% and 20% vs 50% , P lt; 0. 05] in the heparin and the urokinase groups than those in the control group.Conclusion Intrapleural heparin has similar effects with urokinase for prevention pleural thickness andadhesion in tuberculous pleurisy with good availability and safety.
【Abstract】ObjectiveTo investigate the relationship between the expression of urokinase-type plasminogen activator (uPA) mRNA and breast cancer, lymph node metastasis. MethodsSixty patients with breast tumor were selected randomly and the expression of uPA mRNA was detected with RT-PCR. The patients were divided into benign group (18 cases) and malignant group (42 cases) which included 22 cases with lymph node metastasis and 20 cases without lymph node metastasis. The relationship between uPA mRNA expression and breast cancer, lymph node metastasis was analyzed. ResultsAmong these 18 benign tumors, low expression of uPA mRNA was found in 2 cases and the others were negative. While in 42 cases of malignant tumor, uPA mRNA were positive in 22 cases of lymph node metastasis, 16 of which were high expression, 5 of which were moderate expression, and 1 was low expression. uPA mRNA were positive in 18 of 20 cases of nonmetastatic lymph node, 1 of which was high expression, 5 of which were moderate expression and 12 of which were low expression, the other 2 were negative expression. The expression of uPA mRNA had significant difference between benign and malignant tumors (P＜0.05). The expression in lymph node metastasis was much higher than no lymph node metastasis (P＜0.05). ConclusionThe expression of uPA mRNA in malignant breast cancer is obviously higher than that in benign breast tumor. The expression tensity of uPA is highly relevant to lymph node metastasis in malignant breast cancer, which can provide evidence for clinical staging and therapy.