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find Author "WANGKun-jie" 4 results
  • Study on the Relationship between Pressure and Cell Injury of Human Bladder Smooth Muscle Cells

    ObjectiveTo explore the relationship between the pressure level within the scope of promoting proliferation and cell injury of human bladder smooth muscle cells (HBSMCs). MethodHBSMCs in vitro were divided into the experimental group and control group. The cells in the experimental group were exposed to 40 cm H2O (1 cm H2O=0.098 kPa) pressure and those in the control group were cultured in normal condition for 24 hours. We investigated the cell morphology and cytoskeleton with indirect immunofluorescence staining for α-actin. Propidium iodide (PI) staining was applied to evaluate the level of cell apoptosis. ResultsThere was no significant difference in the cell morphology between the two groups. However, the expression of α-actin in the experimental group[(50.93±1.99)%] was significantly reduced comparing with that in the control group[(24.70±1.61)%] (t=32.404, P<0.001). The results of PI staining showed that compared with the control group[(3.50±2.12)%], the number of PI staining positive cells in the experimental group [(9.00±1.41)%] was significantly higher (t=6.110, P<0.001). ConclusionsPressure condition can promotes cell proliferation, but at the same time, it can also lead to cell injury of HBSMCs.

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  • Effectiveness and Safety of Ureteroscopy Surgery in Treatment of Upper Ureteral Calculi: A Meta-Analysis

    ObjectiveTo systematically review the effectiveness and safety of transurethral ureteroscopy lithotripsy in the treatment of upper ureteral calculi. MethodsWe electronically searched The Cochrane Library (Issue 3, 2013), PubMed (1966 to 2013.8), EMbase (1990 to 2013.8), CNKI (1949 to 2013.9), CBM (1978 to 2013.9), VIP (1989 to 2013.8) and WanFang Data (1990 to 2013.8) for the randomized controlled studies (RCTs) related to retroperitoneoscopy ureterolithotomy versus transurethral ureteroscopy lithotripsy for upper ureteral calculi. Two reviewers independently screened literature, extracted data, and evaluated methodological quality of included studies. Then meta-analysis was performed using RevMan 5.2 software. ResultsA total of 16 RCTs involving 1 410 patients (transurethral ureteroscopy lithotripsy:747 cases; etroperitoneal laparoscopic ureterolithotomy:663 cases) were included. The results of meta-analysis showed that, transurethral ureteroscopy lithotripsy was lower than retroperitoneoscopy ureterolithotomy in success rates of surgery (OR=0.26, 95%CI 0.14 to 0.51), 3-day stone clearance rates (OR=0.06, 95%CI 0.03 to 0.11), and 1-month stone clearance rates (OR=0.21, 95%CI 0.08 to 0.53), while it showed superiority in operation time (MD=-22.35, 95%CI-35.29 to-9.41) and postoperative hospital stay (MD=-1.84, 95%CI-3.44 to-0.24). ConclusionCurrent evidence shows that, in the treatment of upper ureteral calculi, transurethral ureteroscopy lithotripsy causes less operation time and postoperative hospital stay, but it had no advantage in success rates of surgery, 3-day stone clearance rates, and 1-month stone clearance rates.

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  • A Randomized Controlled Trial on Holmium Laser Resection and Plasmakinetic Resection of Bladder Tumors

    ObjectiveTo compare the clinical efficacy of transurethral plasmakinetic resection of bladder tumors (PKRBT) and holmium laser resection of bladder tumors (HOLBT), and discuss the effcacy, safety, indication, and complications of PKRBT for the treatment of bladder tumors compared with HOLBT. MethodsA hundred patients with bladder tumors were divided into two groups randomly, who were selected from patients in the Department of Urology of West China Hospital from March 2011 to March 2013. Among all the 100 cases, half of them were treated with PKRBT, and all others treated with HOBLT. The significant markers in both groups were recorded and evaluated, including the situation of before operation, during operation and after operation. The data recorded consisted of the general records of patients' medical background, concomitant disease, laboratory examination, and the position, amount, pathology of the tumor, total operative duration, the time of gross hematuria, the time of postoperative bladder irrigation and catheterization, the length of stay, postoperative complications and patients' conditions at month 3, 6, and 12 during the follow-up. ResultsAll operations were successfully performed, and there was no significant diTherences between the two groups in preoperative indexes (P>0.05). No abnormalities were detected in the postoperative laboratory examinations. The diTherences in operatative duration, time of bladder irrigation, duration of indwelling catheter, and postoperative length of stay between the two groups were not significant (P>0.05). But the mean time of gross hematuria was significantly shorter after operation in the HOLBT patients [(6.1±7.6) hours] than in those treated with PKRBT [(15.3±17.2) hours] (P<0.05). There was no significant diTherence between the two groups in the recurrence rate 3, 6, and 12 months after operation (P>0.05). ConclusionHOLBT can be used safely and effectively in treating bladder tumors, and it is easy for clinical manipulation. HOLBT is as effective and safe as PKRBT with similar adverse side-effect rate within and after operation.

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  • Efficacy and Safety of Flibanserin for Hypoactive Sexual Desire Disorder in Premenopausal Women: A Meta-analysis

    ObjectiveTo systematically review the efficacy and safety of flibanserin for hypoactive sexual desire disorder in premenopausal women. MethodsWe searched PubMed, EMbase, MEDLINE, The Cochrane Library (Issue 7, 2014), CBM, CNKI, VIP and WanFang Data from their inception to August 2014, to collect randomized controlled trials (RCTs) on the effectiveness and safety of flibanserin for hypoactive sexual desire disorder in premenopausal women. Two reviewers independently screened literature according to the inclusion and exclusion criteria, extracted data, and assessed the methodological quality of included studies. And then, meta-analysis was performed using RevMan 5.3 software. ResultsA total of 4 RCTs involving 3 881 patients were included. The results of meta-analysis showed that:compared with the placebo group, the flibanserin group was superior in increasing the number of satisfying sexual events (SSE) (MD=0.72, 95%CI 0.51 to 0.92, P<0.000 01), improving the eDiary desire score (MD=2.21, 95%CI 1.45 to 2.97, P<0.000 01), FSFI domain score (MD=0.29, 95%CI 0.24 to 0.35, P<0.01) and FSFI total score (MD=1.82, 95%CI 1.47 to 2.17, P<0.000 01), and decreasing the FSDS-R item 13 score (MD=-0.24, 95%CI -0.31 to -0.17, P<0.000 01) and FSDS-R total score (MD=-2.70, 95%CI -3.43 to -1.96, P<0.000 01). However, the incidence of adverse events in the flibanserin group was higher than that of the placebo group (OR=1.31, 95%CI 1.11 to 1.54, P=0.001). ConclusionThe current evidence suggests that, in premenopausal women with HSDD, flibanserin treatment is effective but may increase the incidence of adverse events.

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