目的系统评价血清血管性血友病因子(vWF)在急性肺损伤/急性呼吸窘迫综合征(ALI/ARDS)患者中的表达水平。方法检索中国知网、万方、维普、PubMed、Embase、Web of Science、Cochrane central register of controlled数据库,收集建库至202...目的系统评价血清血管性血友病因子(vWF)在急性肺损伤/急性呼吸窘迫综合征(ALI/ARDS)患者中的表达水平。方法检索中国知网、万方、维普、PubMed、Embase、Web of Science、Cochrane central register of controlled数据库,收集建库至2024年4月之前关于血清vWF在ALI/ARDS患者中表达的原始文献,依标准筛选文献,评价文献质量,运用STATA17和Revman5.3对收集的原始数据进行meta分析。结果在分析血清vWF表达与ALI/ARDS发病风险的关联时,共纳入6篇文献,包括260名ALI/ARDS患者,合并标准化均值差为[SMD=0.95,95%CI(0.64,1.25),P<0.01];在分析血清vWF表达对ALI/ARDS患者预后预测时,共纳入8篇文献,包括3198名ALI/ARDS患者,汇总比值比为[OR=1.61,95%CI(1.44,1.80),P<0.01]。结论血清vWF高表达与ALI/ARDS发病风险及预后预测具有显著相关性,作为一种便捷的检验方法,在临床实践中具有良好的应用价值。展开更多
Based on five types of conventional logging curves including GR,RLLD,CNL,DEN and AC,and 39 core samples from 30 representative boreholes,the logging characteristics and lithofacies and sub-facies of the basaltic rocks...Based on five types of conventional logging curves including GR,RLLD,CNL,DEN and AC,and 39 core samples from 30 representative boreholes,the logging characteristics and lithofacies and sub-facies of the basaltic rocks were studied.Three basaltic facies and four sub-facies are recognized from the well logs,includ-ing volcanic conduit facies(post intrusive sub-facies),explosive facies,and effusive lava flow facies(tabular flow,compound flow and hyaloclastite sub-facies).The post intrusive,tabular flow and compound flow sub-facies logging curves are mainly controlled by the distribution of vesiculate zones and vesiculate content,which are characterized by four curves with good correlation.Post intrusive sub-facies are characterized by high RLLD,high DEN,with a micro-dentate logging curve pattern,abrupt contact relationships at the top and base.Tabular flow sub-facies are characterized by high RLLD,high DEN,with a bell-shaped log curve pattern,abrupt contact at the base and gradational contact at the top.Compound flow sub-facies are characterized by medium-low RLLD,with a micro-dentate or finger-like logging curve pattern,abrupt contact at the base and gradational contact at the top.Explosive facies and hyaloclastite sub-facies logging curves are mainly controlled by the distribution of the size and sorting of rock particles,which can be recognized by four kinds of logging curves with poor cor-relation.Explosive facies are characterized by low RLLD,medium-low CNL and low DEN,with a micro-dentate logging curve pattern.Hyaloclastite sub-facies are characterized by low RLLD,high CNL,low DEN and high AC,with a micro-dentate logging curve pattern.The present research is beneficial for the prediction of basaltic reser-voirs not only in the Liaohe depression but also in the other volcanic-sedimentary basins.展开更多
文摘目的系统评价血清血管性血友病因子(vWF)在急性肺损伤/急性呼吸窘迫综合征(ALI/ARDS)患者中的表达水平。方法检索中国知网、万方、维普、PubMed、Embase、Web of Science、Cochrane central register of controlled数据库,收集建库至2024年4月之前关于血清vWF在ALI/ARDS患者中表达的原始文献,依标准筛选文献,评价文献质量,运用STATA17和Revman5.3对收集的原始数据进行meta分析。结果在分析血清vWF表达与ALI/ARDS发病风险的关联时,共纳入6篇文献,包括260名ALI/ARDS患者,合并标准化均值差为[SMD=0.95,95%CI(0.64,1.25),P<0.01];在分析血清vWF表达对ALI/ARDS患者预后预测时,共纳入8篇文献,包括3198名ALI/ARDS患者,汇总比值比为[OR=1.61,95%CI(1.44,1.80),P<0.01]。结论血清vWF高表达与ALI/ARDS发病风险及预后预测具有显著相关性,作为一种便捷的检验方法,在临床实践中具有良好的应用价值。
文摘Based on five types of conventional logging curves including GR,RLLD,CNL,DEN and AC,and 39 core samples from 30 representative boreholes,the logging characteristics and lithofacies and sub-facies of the basaltic rocks were studied.Three basaltic facies and four sub-facies are recognized from the well logs,includ-ing volcanic conduit facies(post intrusive sub-facies),explosive facies,and effusive lava flow facies(tabular flow,compound flow and hyaloclastite sub-facies).The post intrusive,tabular flow and compound flow sub-facies logging curves are mainly controlled by the distribution of vesiculate zones and vesiculate content,which are characterized by four curves with good correlation.Post intrusive sub-facies are characterized by high RLLD,high DEN,with a micro-dentate logging curve pattern,abrupt contact relationships at the top and base.Tabular flow sub-facies are characterized by high RLLD,high DEN,with a bell-shaped log curve pattern,abrupt contact at the base and gradational contact at the top.Compound flow sub-facies are characterized by medium-low RLLD,with a micro-dentate or finger-like logging curve pattern,abrupt contact at the base and gradational contact at the top.Explosive facies and hyaloclastite sub-facies logging curves are mainly controlled by the distribution of the size and sorting of rock particles,which can be recognized by four kinds of logging curves with poor cor-relation.Explosive facies are characterized by low RLLD,medium-low CNL and low DEN,with a micro-dentate logging curve pattern.Hyaloclastite sub-facies are characterized by low RLLD,high CNL,low DEN and high AC,with a micro-dentate logging curve pattern.The present research is beneficial for the prediction of basaltic reser-voirs not only in the Liaohe depression but also in the other volcanic-sedimentary basins.
