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find Author "ZHAOJun-da" 2 results
  • Effectiveness of Different Embryo Screening Methods before Transplantation: A Systematic Review

    ObjectiveTo systematically review the effectiveness of traditional morphological embryo screening method and other screening methods. MethodsWe electronically searched PubMed, EMbase, Web of Knowledge, CBM, WanFang Data and CNKI, for studies about the effectiveness of traditional morphological embryo screening method and other screening methods from inception to July 1st, 2013. Two reviewers independently screened studies according to the inclusion and exclusion criteria, extracted data and evaluated the methodological quality of the included studies. Then meta-analysis was performed using the software RevMan 5.1. ResultsA total of 4 studies involving 951 patients were included. The results of meta-analysis showed that, for the traditional morphological embryo screening method, when compared with the NIR method and CCS method, there were no significant differences in clinical pregnancy rate (OR=0.94, 95%CI 0.57 to 1.53, P=0.80) and live birth rate (OR=0.90, 95%CI 0.60 to 1.37, P=0.63). However, significant difference was found for the embryos fragment rate (OR=0.40, 95%CI 0.27 to 0.59, P < 0.000 01). ConclusionThe current evidence shows that, compared with other methods, the traditional morphological embryo screening method could significantly reduce the embryos fragments rate. The results are needed to be further validate by more high-quality and large-scale studies.

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  • Effectiveness and Safety of Laparoscopy Operation versus Laparotomy for Early Stage Cervical Cancer: A Meta-analysis

    ObjectiveTo systematically review the effectiveness and safety of laparoscopic operation versus laparotomy for stage I-IIa cervical cancer. MethodDatabases including PubMed, EMbase, Web of Knowledge, CBM, WanFang Data and CNKI were searched to collect controlled trials and cohort studies about laparoscopic operation versus laparotomy for stage I-IIa cervical cancer from inception to July 2014. Two reviewers independently screened literature, extracted data, and evaluated the methodological quality of included studies. Then, meta-analysis was performed using RevMan 5.2 software. ResultsA total of 3 RCTs, 4 non-randomized controlled trials and 11 cohort studies involving 2 020 patients were included. The results of meta-analysis showed that, compared with laparotomy, laparoscopy operation could reduce intraoperative blood loss (MD=-247.99, 95%CI -408.90 to -87.07, P=0.003) , the incidence of perioperative blood transfusion (OR=0.33, 95%CI 0.21 to 0.52, P<0.000 01) , haemoglobin level before and after surgery (MD=-0.98, 95%CI -0.13 to -0.93, P<0.000 01) , postoperative complication (OR=0.61, 95%CI 0.40 to 0.93, P=0.02) , and shorten postoperative exhaust time (MD=-17.41, 95%CI -32.79 to -2.03, P=0.03) and postoperative hospitalization days (MD=-2.51, 95%CI -3.25 to -1.78, P<0.000 01) . There were no significant differences between two groups in the number of pelvic lymph nodes removed, operative complications, as well as the recurrence rate, mortality and non-recurrence survivals after 2 to 5 years of follow-up. But the operation time of the laparoscopy operation group was longer than that of the laparotomy group. ConclusionsCurrent evidence shows that compared with laparotomy, laparoscopic operation for early stage cervical cancer has less trauma, less blood loss, shorter hospitalization days and less postoperative complications. Due to the limited quantity of the included studies, more studies are needed to verify the above conclusion.

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