目的:评价宫内放置防粘连膜(Interceed)在预防中重度宫腔粘连术后再粘连中的疗效。方法:收集2015年6月至2016年6月于郑州大学第二附属医院经宫腔镜检查诊断为中重度宫腔粘连并成功手术分离粘连的72例患者,随机分成2组,A组40例为Intercee...目的:评价宫内放置防粘连膜(Interceed)在预防中重度宫腔粘连术后再粘连中的疗效。方法:收集2015年6月至2016年6月于郑州大学第二附属医院经宫腔镜检查诊断为中重度宫腔粘连并成功手术分离粘连的72例患者,随机分成2组,A组40例为Interceed组(TCRA宫腔粘连分离术术后宫内放置防粘连膜预防粘连),B组32例为几丁糖组(TCRA宫腔粘连分离术术后宫内灌注医用几丁糖3 m L预防粘连),2组均行TCRA+E2V+生长激素综合治疗。随访术后1个月、3个月2组宫腔再粘连情况及术后3个月子宫内膜生长情况。结果:Interceed组术后1个月总有效率(77.5%)及术后3个月总有效率(87.5%)均明显高于几丁糖组术后1个月总有效率(53.1%)及术后3个月总有效率(56.3%),差异具有统计学意义(P<0.05),Interceed组术后3个月内膜生长厚度[(6.38±2.70)mm]明显高于几丁糖组术后3个月内膜生长厚度[(4.97±1.60)mm],差异有统计学意义(P<0.05)。结论:Interceed有效预防中重度宫腔粘连术后宫腔再粘连的发生,临床价值高。展开更多
The Tibetan Plateau is characterized by lower atmospheric pressure, lower air temperature and high daily and seasonal variation due to high elevation. The photosynthesis of aaplants is significantly influenced by thes...The Tibetan Plateau is characterized by lower atmospheric pressure, lower air temperature and high daily and seasonal variation due to high elevation. The photosynthesis of aaplants is significantly influenced by these alpine environmental factors. Apparent quantum yield (αA) is one of the basic parameters of photosynthesis and mass production. Its accuracy determination is of significance to model photosynthesis of C3 plants and global change on the plateau. In the Lhasa Plateau Ecological Station with 65.4 kPa of atmospheric pressure at an elevation of 3688 m, Li-Cor 6400 portable photosynthesis system was used to measure light response curves of winter wheat in different temperatures and intercellular CO2 concentration (C,). The slope of light response curve in weak light area of PFD from 0 to 150 μmol m-2 s-1 was used to evaluate the value of αA. The dependence of αA on temperature and intercellular concentration was analyzed. In 30℃, the average value of αA was 0.0476±0.0038. It is not quite different from the values in low elevation areas. αA is influenced both by temperature and by the ratio of CO2 and O2 partial pressure ([CO2]/[O2]). The measured values in the previous study were much lower. This might be due to systematic errors from instrument and data processing methods. The values of αA decreased linearly with temperature. It decreased 0.0007 in every 1℃ increase of temperature. The decrease slope is similar to those of C3 plants in the previous researches. While [O2] is constant,αA increases with Ciwith a hyperbolic relationship. In comparison with low elevation areas, the αA on the Tibetan Plateau is more sensitive to increase of CO2.展开更多
文摘目的:评价宫内放置防粘连膜(Interceed)在预防中重度宫腔粘连术后再粘连中的疗效。方法:收集2015年6月至2016年6月于郑州大学第二附属医院经宫腔镜检查诊断为中重度宫腔粘连并成功手术分离粘连的72例患者,随机分成2组,A组40例为Interceed组(TCRA宫腔粘连分离术术后宫内放置防粘连膜预防粘连),B组32例为几丁糖组(TCRA宫腔粘连分离术术后宫内灌注医用几丁糖3 m L预防粘连),2组均行TCRA+E2V+生长激素综合治疗。随访术后1个月、3个月2组宫腔再粘连情况及术后3个月子宫内膜生长情况。结果:Interceed组术后1个月总有效率(77.5%)及术后3个月总有效率(87.5%)均明显高于几丁糖组术后1个月总有效率(53.1%)及术后3个月总有效率(56.3%),差异具有统计学意义(P<0.05),Interceed组术后3个月内膜生长厚度[(6.38±2.70)mm]明显高于几丁糖组术后3个月内膜生长厚度[(4.97±1.60)mm],差异有统计学意义(P<0.05)。结论:Interceed有效预防中重度宫腔粘连术后宫腔再粘连的发生,临床价值高。
基金This work was supported by the National Key Basic Research and Development Project(Grant No.2002CB41250l)the National Natural Science Foundation of China(Grant Nos.90211006,30370257 and 30470280)the Knowledge Innovation Project of Institute of Geographical Sciences and Natural Resources Research,CAS(Grant No.CXIOG-E01-03-03).
文摘The Tibetan Plateau is characterized by lower atmospheric pressure, lower air temperature and high daily and seasonal variation due to high elevation. The photosynthesis of aaplants is significantly influenced by these alpine environmental factors. Apparent quantum yield (αA) is one of the basic parameters of photosynthesis and mass production. Its accuracy determination is of significance to model photosynthesis of C3 plants and global change on the plateau. In the Lhasa Plateau Ecological Station with 65.4 kPa of atmospheric pressure at an elevation of 3688 m, Li-Cor 6400 portable photosynthesis system was used to measure light response curves of winter wheat in different temperatures and intercellular CO2 concentration (C,). The slope of light response curve in weak light area of PFD from 0 to 150 μmol m-2 s-1 was used to evaluate the value of αA. The dependence of αA on temperature and intercellular concentration was analyzed. In 30℃, the average value of αA was 0.0476±0.0038. It is not quite different from the values in low elevation areas. αA is influenced both by temperature and by the ratio of CO2 and O2 partial pressure ([CO2]/[O2]). The measured values in the previous study were much lower. This might be due to systematic errors from instrument and data processing methods. The values of αA decreased linearly with temperature. It decreased 0.0007 in every 1℃ increase of temperature. The decrease slope is similar to those of C3 plants in the previous researches. While [O2] is constant,αA increases with Ciwith a hyperbolic relationship. In comparison with low elevation areas, the αA on the Tibetan Plateau is more sensitive to increase of CO2.
