Advanced digestive tract malignant tumors,represented by advanced colorectal cancer,advanced gastric cancer and advanced esophageal cancer,have insidious onsets and high mortality.Western medicine based on targeted th...Advanced digestive tract malignant tumors,represented by advanced colorectal cancer,advanced gastric cancer and advanced esophageal cancer,have insidious onsets and high mortality.Western medicine based on targeted therapy greatly can improves the benefit and efficacy for patients through population stratification,but its population is limited.Traditional Chinese medicine(TCM)has a long history in treatment of tumors,which is an important part of comprehensive treatment of tumors.Clinical observation has shown that different patients could get different efficacy from TCM treatment.Based on real world registration studies,patients with advanced colorectal cancer,advanced gastric cancer or advanced esophageal cancer who had received TCM treatment were observed and followed,and a TCM dominant population that achieved significant efficacy was screened out to carry out multivariate regression analysis,further explore key factors that affect survival in advanced digestive tract malignant tumors,and establish a prediction model of TCM dominant population.It will provide reference for the follow-up TCM treatment,and provide reference for development of individualized treatment plans,making the TCM treatment for advanced digestive tract malignant tumors more targeted,and helping to improve the benefit rate in TCM.展开更多
目的 探讨二维超声结合STIC-HD Live Flow技术在诊断胎儿下腔静脉离断中的临床价值。方法 对于电子科技大学医学院附属妇女儿童医院、成都市妇女儿童中心医院接受胎儿超声心动图,可疑下腔静脉离断的胎儿进行STIC数据采集,对产前超声诊...目的 探讨二维超声结合STIC-HD Live Flow技术在诊断胎儿下腔静脉离断中的临床价值。方法 对于电子科技大学医学院附属妇女儿童医院、成都市妇女儿童中心医院接受胎儿超声心动图,可疑下腔静脉离断的胎儿进行STIC数据采集,对产前超声诊断结果与产后新生儿超声心动图结果进行对比分析。结果 2016年10月至2019年10月本院行Ⅲ级及Ⅳ级产前超声检查,二维超声结合STICHD Live Flow技术共检出胎儿下腔静脉离断11例,6例左侧异构,5例单纯性下腔静脉离断,其中4例Ⅰa型,1例Ⅰb型,2例合并心内外畸形,4例生产后经新生儿超声心动图证实,7例引产,其中4例院外引产失访,3例本院引产拒尸检。结论 二维超声心动图是诊断胎儿下腔静脉离断可靠手段,STIC-HD Live Flow技术准确、直观显示离断的部位,奇静脉或半奇静脉的走行及与心房的空间位置关系,是对二维超声心动图必要的补充,有重要的临床诊断价值。展开更多
燃油喷嘴的雾化对于解决航空发动机燃烧室问题是至关重要的,为探究某双油路离心式喷嘴的雾化性能,运用两相界面追踪流体体积(Volume of Fluid,简称VOF)方法对该喷嘴的内外部流场进行数值仿真。以双油路离心喷嘴的雾化锥角、质量流率以...燃油喷嘴的雾化对于解决航空发动机燃烧室问题是至关重要的,为探究某双油路离心式喷嘴的雾化性能,运用两相界面追踪流体体积(Volume of Fluid,简称VOF)方法对该喷嘴的内外部流场进行数值仿真。以双油路离心喷嘴的雾化锥角、质量流率以及液膜厚度作为雾化性能指标,分别模拟出主油路单独供油、副油路单独供油以及主副油路同时供油三种不同工作模式在不同压差条件下喷嘴燃油流动的稳态情况,获得双油路离心喷嘴的雾化性能指标并对其影响规律进行研究。结果显示:数值仿真能较好地模拟出喷嘴的雾化特性,随着压差增大,扩口式主油路单独工作时的雾化锥角减小,平口式副油路单独工作时的雾化锥角增大。当主、副油路同时工作时,雾化锥角随压差的增大而增大且始终处于单路单独工作时的雾化锥角之间;质量流率随着压差的增大而增大且增幅逐渐减缓;液膜厚度在低压区随压差的增大而迅速减小,随后趋于稳定。展开更多
基金Special Projects of Capital Scientific Research on Health Development(No.2016-1-4171)Projects on"Millions"of Talents for Inheritance and Innovation of Traditional Chinese Medicine of National Administration of Traditional Chinese Medicine(Qihuang Projects)。
文摘Advanced digestive tract malignant tumors,represented by advanced colorectal cancer,advanced gastric cancer and advanced esophageal cancer,have insidious onsets and high mortality.Western medicine based on targeted therapy greatly can improves the benefit and efficacy for patients through population stratification,but its population is limited.Traditional Chinese medicine(TCM)has a long history in treatment of tumors,which is an important part of comprehensive treatment of tumors.Clinical observation has shown that different patients could get different efficacy from TCM treatment.Based on real world registration studies,patients with advanced colorectal cancer,advanced gastric cancer or advanced esophageal cancer who had received TCM treatment were observed and followed,and a TCM dominant population that achieved significant efficacy was screened out to carry out multivariate regression analysis,further explore key factors that affect survival in advanced digestive tract malignant tumors,and establish a prediction model of TCM dominant population.It will provide reference for the follow-up TCM treatment,and provide reference for development of individualized treatment plans,making the TCM treatment for advanced digestive tract malignant tumors more targeted,and helping to improve the benefit rate in TCM.
文摘目的 探讨二维超声结合STIC-HD Live Flow技术在诊断胎儿下腔静脉离断中的临床价值。方法 对于电子科技大学医学院附属妇女儿童医院、成都市妇女儿童中心医院接受胎儿超声心动图,可疑下腔静脉离断的胎儿进行STIC数据采集,对产前超声诊断结果与产后新生儿超声心动图结果进行对比分析。结果 2016年10月至2019年10月本院行Ⅲ级及Ⅳ级产前超声检查,二维超声结合STICHD Live Flow技术共检出胎儿下腔静脉离断11例,6例左侧异构,5例单纯性下腔静脉离断,其中4例Ⅰa型,1例Ⅰb型,2例合并心内外畸形,4例生产后经新生儿超声心动图证实,7例引产,其中4例院外引产失访,3例本院引产拒尸检。结论 二维超声心动图是诊断胎儿下腔静脉离断可靠手段,STIC-HD Live Flow技术准确、直观显示离断的部位,奇静脉或半奇静脉的走行及与心房的空间位置关系,是对二维超声心动图必要的补充,有重要的临床诊断价值。
文摘燃油喷嘴的雾化对于解决航空发动机燃烧室问题是至关重要的,为探究某双油路离心式喷嘴的雾化性能,运用两相界面追踪流体体积(Volume of Fluid,简称VOF)方法对该喷嘴的内外部流场进行数值仿真。以双油路离心喷嘴的雾化锥角、质量流率以及液膜厚度作为雾化性能指标,分别模拟出主油路单独供油、副油路单独供油以及主副油路同时供油三种不同工作模式在不同压差条件下喷嘴燃油流动的稳态情况,获得双油路离心喷嘴的雾化性能指标并对其影响规律进行研究。结果显示:数值仿真能较好地模拟出喷嘴的雾化特性,随着压差增大,扩口式主油路单独工作时的雾化锥角减小,平口式副油路单独工作时的雾化锥角增大。当主、副油路同时工作时,雾化锥角随压差的增大而增大且始终处于单路单独工作时的雾化锥角之间;质量流率随着压差的增大而增大且增幅逐渐减缓;液膜厚度在低压区随压差的增大而迅速减小,随后趋于稳定。