目的:探讨三种不同引产方法对瘢痕子宫孕中期引产成功率及宫颈成熟度的影响.方法:随机选择2015年1月-2019年6月在笔者所在医院行中期引产的瘢痕子宫200例,按随机数字表法分为三组,双球囊+米非司酮组(A组)有67例,双球囊+利凡诺组(B组)67...目的:探讨三种不同引产方法对瘢痕子宫孕中期引产成功率及宫颈成熟度的影响.方法:随机选择2015年1月-2019年6月在笔者所在医院行中期引产的瘢痕子宫200例,按随机数字表法分为三组,双球囊+米非司酮组(A组)有67例,双球囊+利凡诺组(B组)67例,利凡诺+米非司酮组(C组)66例,A组行米非司酮联合宫颈的COOK双球囊放置术治疗,B组行利凡诺联合宫颈的COOK双球囊放置术治疗,C组行利凡诺联合米非司酮治疗,观察三组孕妇的引产成功率、血清SP-1、IGFBP-1水平、并发症等情况.结果:A组、B组的引产有效率显著高于C组,差异有统计学意义(P<0.05);A组、B组的引产总时间、产程开始到胎儿娩出的时间均显著短于C组(P<0.05),A组与B组相比差异无统计学意义(P>0.05).三组孕妇的开始有规律宫时间、引产出血比例比较差异无统计学意义(P>0.05);引产后A组、B组的Bishop评分显著高于引产前,且显著高于C组,差异有统计学意义(P<0.05),三组孕妇的血压在引产前、引产后比较差异无统计学意义(P>0.05);引产前三组之间的血清人妊娠特异性1糖蛋白(SP-1)、胰岛素样生长因子结合蛋白-1(IGFBP-1)水平比较差异无统计学意义(P>0.05),用药后24 h、产后12 h A组、B组的血清SP-1均显著低于C组,IGFBP-1水平均显著高于C组,差异有统计学意义(P<0.05);C组并发症显著高于A组、B组,差异有统计学意义(P<0.05).结论:双球囊+米非司酮、双球囊+利凡诺可有效促进瘢痕子宫孕中期的宫颈成熟,影响血清SP-1、IGFBP-1水平,缩短引产时间,引产成功率较高,并且并发症较少.展开更多
A single-stage ring resonator capable of introducing six modes within the ultra-wideband(UWB)passband is presented.The sextuple-mode resonator consists of three rings and three sets of stepped-impedance open stubs.Bas...A single-stage ring resonator capable of introducing six modes within the ultra-wideband(UWB)passband is presented.The sextuple-mode resonator consists of three rings and three sets of stepped-impedance open stubs.Based on this sextuple-mode resonator,a UWB filter fed by the interdigital-coupling line(ICL)is designed.And we propose a two-round interpolation method to obtain the filter's initial dimensions.The designed filter is fabricated on a double-sided YBCO/MgO/YBCO high-temperature superconducting(HTS)thin film for demonstration.The experimental results show that this UWB filter produces eight resonances in the passband eventually,which effectively improves the in-band reflection and the band-edge steepness.Moreover,the upper stopband performance is enhanced due to the transmission zeros(TZs)generated by the stepped-impedance open stubs and the ICL structure.The measured good performance verifies the practicability of the two-round interpolation approach,which can also be extended to other odd-even-mode filter designs.展开更多
文摘目的:探讨三种不同引产方法对瘢痕子宫孕中期引产成功率及宫颈成熟度的影响.方法:随机选择2015年1月-2019年6月在笔者所在医院行中期引产的瘢痕子宫200例,按随机数字表法分为三组,双球囊+米非司酮组(A组)有67例,双球囊+利凡诺组(B组)67例,利凡诺+米非司酮组(C组)66例,A组行米非司酮联合宫颈的COOK双球囊放置术治疗,B组行利凡诺联合宫颈的COOK双球囊放置术治疗,C组行利凡诺联合米非司酮治疗,观察三组孕妇的引产成功率、血清SP-1、IGFBP-1水平、并发症等情况.结果:A组、B组的引产有效率显著高于C组,差异有统计学意义(P<0.05);A组、B组的引产总时间、产程开始到胎儿娩出的时间均显著短于C组(P<0.05),A组与B组相比差异无统计学意义(P>0.05).三组孕妇的开始有规律宫时间、引产出血比例比较差异无统计学意义(P>0.05);引产后A组、B组的Bishop评分显著高于引产前,且显著高于C组,差异有统计学意义(P<0.05),三组孕妇的血压在引产前、引产后比较差异无统计学意义(P>0.05);引产前三组之间的血清人妊娠特异性1糖蛋白(SP-1)、胰岛素样生长因子结合蛋白-1(IGFBP-1)水平比较差异无统计学意义(P>0.05),用药后24 h、产后12 h A组、B组的血清SP-1均显著低于C组,IGFBP-1水平均显著高于C组,差异有统计学意义(P<0.05);C组并发症显著高于A组、B组,差异有统计学意义(P<0.05).结论:双球囊+米非司酮、双球囊+利凡诺可有效促进瘢痕子宫孕中期的宫颈成熟,影响血清SP-1、IGFBP-1水平,缩短引产时间,引产成功率较高,并且并发症较少.
基金the National Natural Science Foundation of China(Grant No.61471094).
文摘A single-stage ring resonator capable of introducing six modes within the ultra-wideband(UWB)passband is presented.The sextuple-mode resonator consists of three rings and three sets of stepped-impedance open stubs.Based on this sextuple-mode resonator,a UWB filter fed by the interdigital-coupling line(ICL)is designed.And we propose a two-round interpolation method to obtain the filter's initial dimensions.The designed filter is fabricated on a double-sided YBCO/MgO/YBCO high-temperature superconducting(HTS)thin film for demonstration.The experimental results show that this UWB filter produces eight resonances in the passband eventually,which effectively improves the in-band reflection and the band-edge steepness.Moreover,the upper stopband performance is enhanced due to the transmission zeros(TZs)generated by the stepped-impedance open stubs and the ICL structure.The measured good performance verifies the practicability of the two-round interpolation approach,which can also be extended to other odd-even-mode filter designs.