目的系统评价成人术中获得性压力损伤(intraoperative acquired pressure injury,IAPI)风险预测模型,以期为构建更高质量的IAPI风险预测模型提供参考。方法检索中国生物医学文献数据库,中国知网及PubMed,Web of Science等中英文数据库...目的系统评价成人术中获得性压力损伤(intraoperative acquired pressure injury,IAPI)风险预测模型,以期为构建更高质量的IAPI风险预测模型提供参考。方法检索中国生物医学文献数据库,中国知网及PubMed,Web of Science等中英文数据库中有关IAPI风险预测模型的相关研究,语种限定为中文和英文,检索时限为建库至2022年11月4日。由2名研究者独立筛选文献和提取数据,并应用预测模型研究的偏倚风险评估工具分析纳入文献的偏倚风险和适用性。结果共纳入13项成人IAPI风险预测模型构建研究,涉及17个模型,手术时间、年龄、合并糖尿病、体质量指数、血清白蛋白水平是最常见的预测因子。17个模型中有14个模型的受试者工作特征曲线下面积(area under the curve,AUC)为0.616~0.984,另外3个模型没有报告AUC结果。13项研究中10项适用性较好,其余3项适用性不清楚。13项研究偏倚风险较高,偏倚主要是因为纳入研究为回顾性研究、基于单变量分析筛选预测因子及预测结局未采用指南或者标准化的定义等。结论现有成人IAPI风险预测模型适用性较好,但偏倚风险较高,构建尚不完善,需在后期的构建中关注对不同风险评估方法有效性的研究,以便得到更好高准确度的风险预测模型,为制订相关预防策略提供参考依据。展开更多
Fault seals are significant for petroleum exploration and production.This study summarizes the fault sealing impacting factors,including lithological juxtaposition,mud smearing,fault rocks and the fault plane stress s...Fault seals are significant for petroleum exploration and production.This study summarizes the fault sealing impacting factors,including lithological juxtaposition,mud smearing,fault rocks and the fault plane stress states,as well as evaluation methods like Allan maps and Shale Gouge Ratio(SGR).The seal evaluation for a wrench fault focuses on its particular structural features.The evaluation methods were applied to the Jinma-Yazihe structure and the Shunbei oilfield.The source rock is the Xujiahe Formation of the Upper Triassic,the reservoirs and caprocks being of the Shaximiao Formation of the Lower Jurassic.The fault sealing evaluations in major faults proved the reservoir formation processes in the wells Jinfo 1(JF1)and Chuanya 609(CY-609),based on the editions of the Allan map showing lithological juxtaposition,the calculation of SGR showing mud smear and analyses of fault stress states.The analyses of stress states were also applied to Shunbei 5 strike-slip fault in the Shunbei area in Tarim Basin.The various sections along the fault were of different mechanical properties,such as compression and extension.Petroleum exploration has demonstrated that the extensional sections are more favorable for oil accumulation than the compressional sections.These evolutionary methods and other understandings will help in analyses of deep fault sealing.展开更多
文摘目的系统评价成人术中获得性压力损伤(intraoperative acquired pressure injury,IAPI)风险预测模型,以期为构建更高质量的IAPI风险预测模型提供参考。方法检索中国生物医学文献数据库,中国知网及PubMed,Web of Science等中英文数据库中有关IAPI风险预测模型的相关研究,语种限定为中文和英文,检索时限为建库至2022年11月4日。由2名研究者独立筛选文献和提取数据,并应用预测模型研究的偏倚风险评估工具分析纳入文献的偏倚风险和适用性。结果共纳入13项成人IAPI风险预测模型构建研究,涉及17个模型,手术时间、年龄、合并糖尿病、体质量指数、血清白蛋白水平是最常见的预测因子。17个模型中有14个模型的受试者工作特征曲线下面积(area under the curve,AUC)为0.616~0.984,另外3个模型没有报告AUC结果。13项研究中10项适用性较好,其余3项适用性不清楚。13项研究偏倚风险较高,偏倚主要是因为纳入研究为回顾性研究、基于单变量分析筛选预测因子及预测结局未采用指南或者标准化的定义等。结论现有成人IAPI风险预测模型适用性较好,但偏倚风险较高,构建尚不完善,需在后期的构建中关注对不同风险评估方法有效性的研究,以便得到更好高准确度的风险预测模型,为制订相关预防策略提供参考依据。
基金funded by the National Key Research and Development Plan(Grant No.2017YFC0603105)the National Natural Science Foundation of China(Grant No.42172138)the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDA14010306)。
文摘Fault seals are significant for petroleum exploration and production.This study summarizes the fault sealing impacting factors,including lithological juxtaposition,mud smearing,fault rocks and the fault plane stress states,as well as evaluation methods like Allan maps and Shale Gouge Ratio(SGR).The seal evaluation for a wrench fault focuses on its particular structural features.The evaluation methods were applied to the Jinma-Yazihe structure and the Shunbei oilfield.The source rock is the Xujiahe Formation of the Upper Triassic,the reservoirs and caprocks being of the Shaximiao Formation of the Lower Jurassic.The fault sealing evaluations in major faults proved the reservoir formation processes in the wells Jinfo 1(JF1)and Chuanya 609(CY-609),based on the editions of the Allan map showing lithological juxtaposition,the calculation of SGR showing mud smear and analyses of fault stress states.The analyses of stress states were also applied to Shunbei 5 strike-slip fault in the Shunbei area in Tarim Basin.The various sections along the fault were of different mechanical properties,such as compression and extension.Petroleum exploration has demonstrated that the extensional sections are more favorable for oil accumulation than the compressional sections.These evolutionary methods and other understandings will help in analyses of deep fault sealing.
