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定量CT测量重度吸烟者在重复CT检查中空气滞留的变异性

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国际医学放射学杂志 2013年第1期 97-97页

作者： o.m.mets I.Isgum C.P.mol H.A.Gietema P.Zanen m.Prokop 程悦 Radiology University Medical Center UtrechtHeidelberglaan 100Postbus 855003508 GA UtrechtThe Netherlands

目的确定重度吸烟者低剂量胸部CT检查中CT定量测量空气滞留的变异度。方法我们分析了肺癌筛查中的45例受试者,在3个月内进行了2次CT检查。通过呼吸指令采集吸气相和呼气相的低剂量CT影像。CT的空气滞留定义为呼气相CT中体素密度低于-856... 详细信息

目的确定重度吸烟者低剂量胸部CT检查中CT定量测量空气滞留的变异度。方法我们分析了肺癌筛查中的45例受试者,在3个月内进行了2次CT检查。通过呼吸指令采集吸气相和呼气相的低剂量CT影像。CT的空气滞留定义为呼气相CT中体素密度低于-856HU(EXP-856)的百分比和呼气相与吸气相平均肺密度的比值(E/I-ratiomLD)。通过一致性的极限值来确定变异度,定义为均数标准差的1.96倍。确定校正的双肺容积和屏气的可重复性。结果未校正的CT空气滞留测量一致性的极限值为-15.0%～11.7%(EXP-856)和-9.8%～8.0%(E/I-ratiomLD)。较好的屏气可重复性可明显缩窄EXP-856的范围(-10.7%～7.5%,P=0.002),但对E/I-ratiomLD影响不大(-9.2%～7.9%,P=0.75)。统计学进行的肺容积校正没有改善EXP-856(-12.5%～8.8%,P=0.12)和E/I-ratiomLD(-7.5%～5.8%,P=0.17)的范围。结论无论是否进行肺容积校正和考虑屏气的可重复性,重度吸烟者低剂量CT的空气滞留定量测量在重复的CT检查中表现出相当大的差异性。

关键词：空气滞留低剂量吸烟者呼气相 CT 重度

慢性阻塞性肺疾病病人肺功能损害与定量CT的关系

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国际医学放射学杂志 2012年第2期 191-191页

作者： o.m.mets K.murphy P.Zanen H.A.Gietema J.W.Lammers B.van Ginneken 陈娟 Department of Radiology University Medical Center UtrechtHuispostnummer E132Postbus 855003508 GAUtrechtThe Netherlands

目的研究在具有或没有气流受限的现在及既往重度吸烟者中,空气滞留及肺气肿的肺功能损害程度与定量CT测量值之间的关系。方法使用几种可用的定量方法测量的248例受试者(50例正常吸烟者,50例轻度阻塞,50例中

关键词：肺气肿呼吸性细支气管定量CT 肺功能检查慢性阻塞性肺疾病

应用计算机断层扫描迭代重建对肺气肿、空气潴留、气道大小进行评估

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国际医学放射学杂志 2012年第6期 606-606页

作者： o.m.mets m.J.Willemink F.P.L.de Kort C.P.mol T.Leiner m.oudkerk 陶英伟 Department of Radiology UMC UtrechtP.O.Box 85500E1323508GAUtrechtthe Netherlands

目的与滤波反投影(FBP)相比较,确定CT的迭代重建(IR)对肺气肿、空气潴留、气道管腔大小测量的影响。方法分别使用FBP和IR对75例病人[男37例,女38例,平均年龄(64.0±5.7)岁]吸气相和呼气相的胸部CT进行重建。应用几种常用的量化方法对CT... 详细信息

目的与滤波反投影(FBP)相比较,确定CT的迭代重建(IR)对肺气肿、空气潴留、气道管腔大小测量的影响。方法分别使用FBP和IR对75例病人[男37例,女38例,平均年龄(64.0±5.7)岁]吸气相和呼气相的胸部CT进行重建。应用几种常用的量化方法对CT影像中肺气肿、空气潴留及段支气管的大小进行定量分析。用一致性相关系数(Pc)和Wilcoxon符号秩检验两种算法对以上分析进行比较。结果当IR与FBP进行比较时,只有参数E/I-ratiomLD作为衡量标准时,CT影像中的空气潴留及气道大小的测量没有表现出显著差异,而其余所有CT影像中肺气肿及其他CT影像中的空气潴留的测量差异具有统计学意义(PomLD作为衡量CT影像中空气潴留以及气道测量的标准时,不受此重建方法的影响。肺部的定量CT需要注意CT检查序列的选择,特别是使用迭代重建时。

关键词： CT 迭代重建肺气肿慢性阻塞性肺疾病定量CT

Pediatric Nd:YAG laser capsulotomy in the operating room: review of 87 cases

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International Journal of ophthalmology(English edition) 2019年第5期12卷 779-783页

作者： michael Kinori Narasimhan Jagannathan Anne m Langguth marjorie A Sasso marilyn B mets Bahram Rahmani Hawke Yoon Rebecca mets-Halgrimson Sudhi P Kurup Janice L Zeid The Goldschleger Eye Institute Sheba Medical CenterTel Ha ShomerAffiliated to the Sackler Faculty of MedicineTel Aviv University Department of Pediatric Anesthesiology Ann & Robert H.Lurie Children's Hospital of Chicago Division of ophthalmology Ann & Robert H.Lurie Children's Hospital of Chicago Department of ophthalmology Northwestern University Feinberg School of Medicine Department of Surgical Services Ann & Robert H.Lurie Children's Hospital of Chicago

AIm: To report a large series of children having Nd:YAG laser capsulotomy in the operating room using the lateral decubitus position. mETHoDS: medical records of children who underwent Nd:YAG laser capsulotomy in the operating room at Ann & Robert H. Lurie Children's Hospital of Chicago between September 2008 and April 2017 were reviewed. Induction of general anesthesia and intubation was performed in the supine position after which the patient was placed in lateral decubitus position. The Nd:YAG laser capsulotomy was performed using a standard protocol. At the completion of the procedure, the patient was turned back into the supine position and extubated. RESULTS: This study included 87 eyes of 60 patients. Patient's age ranged from 1 to 18 y(mean 6.4±4.1 y). In most cases(84/87, 97%), the procedure was performed under general anesthesia. In all cases, good focus on the membrane was achieved, and the procedure was performed successfully. There were no intraoperative ocular or anesthesia-related complications. CoNCLUSIoN: When performing Nd:YAG laser capsulotomy in the operating room, the lateral decubitus position allowsan easy and safe approach without the risk of potentially devastating complications that have been associated with the previously described sitting and prone positions.

关键词： posterior capsular opacification YAG capsulotomy general anesthesia pediatric cataract

metsäFibre可持续发展:创建生物基产品和生物能源里程碑

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生活用纸 2020年第6期20卷 68-70页

作者： metsäFibre 不详

metsäFibre作为芬兰林业集团——metsä的一部分,正在不断发展创新性产品。metsäFibre公司成立于1973年,旗下第一家纸浆厂建立于1977年。之后,公司新建和重建了6家纸浆厂。纸浆总产能达到320万t/a,锯材年产能达190万m3,是领先的漂白针叶... 详细信息

metsäFibre作为芬兰林业集团——metsä的一部分,正在不断发展创新性产品。metsäFibre公司成立于1973年,旗下第一家纸浆厂建立于1977年。之后,公司新建和重建了6家纸浆厂。纸浆总产能达到320万t/a,锯材年产能达190万m3,是领先的漂白针叶木商品浆供应商。如今,metsäFibre成为生物基产品和生物能源的主要生产商,在芬兰的4家纸浆厂中生产纸浆和生物基产品,在芬兰的5家锯木厂和在俄罗斯的1家锯木厂中生产锯材产品。

关键词：创新性产品生物能源可持续发展供应商 Fibre 针叶木商品浆生物基产品

取消每天常规胸片检查并未影响心胸外科术后患者的按需胸片检查

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世界核心医学期刊文摘（心脏病学分册） 2007年第11期3卷 58-59页

作者： mets o. Spronk P.E. Binnekade J. m.J. Schultz 王孝东 Department of Intensive Care medicine University of Amsterdam Amsterdam Netherlands Dr.

目的:确定取消每天常规胸片检查对在监护室和普通病房住院的心胸外科患者中胸部放射检查的影响。方法:在一所大学医院,对一个拥有28张床位的监护室/普通病房(包括一个4张床位的中级监护病房)进行干预,以施行此项前瞻性对比研究。

关键词：常规胸片监护室患者普通病房心胸外科

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mETA-R:A software to analyze data from multi-environment plant breeding trials

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The Crop Journal 2020年第5期8卷 745-756页

作者： Gregorio Alvarado Francisco m.Rodríguez Angela Pacheco Juan Burgueño JoséCrossa mateo Vargas Paulino Pérez-Rodríguez marco A.Lopez-Cruz Biometrics and Statistics Unit International Maize and Wheat Improvement Center(CIMMYT)MexicoDF 6-64106600Mexico Centro de Investigación en matemáticas(CImAT)A.C. Jalisco S/NCol.ValencianaGuanajuatoGto 40236023Mexico Universidad Autónoma Chapingo Carretera Federal México-Texcoco km 38.5TexcocoMéxico 6356230Mexico Colegio de Postgraduados Carretera México-Texcoco Km.36.5MontecilloTexcoco 6356231Mexico Department of Plant Soil and Microbial SciencesMichigan State University1066 Bogue StEast LansingMI 48824USA

mETA-R(multi-environment trial analysis in R)is a suite of R scripts linked by a graphical user interface(GUI)designed in Java *** objective of mETA-R is to accurately analyze multi-environment plant breeding trials(mets)by fitting mixed and fixed linear models from experimental designs such as the randomized complete block design(RCBD)and the alpha-lattice/lattice ***-R simultaneously estimates the best linear and unbiased estimators(BLUEs)and the best linear and unbiased predictors(BLUPs).Additionally,it computes the variance-covariance parameters,as well as some statistical and genetic parameters such as the least significant difference(LSD)at 5%significance,the coefficient of variation in percentage(CV),the genetic variance,and the broad-sense *** parameters are very important in the selection of top performing genotypes in plant ***-R also computes the phenotypic and genetic correlations among environments and between traits,as well as their statistical *** genetic correlations between environments or traits can be visualized in a biplot graph or a tree diagram(dendrogram).Genetic correlations are very important for identifying environments with similar behavior or making indirect selection and identifying the most highly associated ***-R performs multi-environment analyses by using the residual maximum likelihood(REmL)method;these analyses can be done by environment,across environments by grouping factors(stress conditions,nitrogen content,etc.)and across environments;the analyses across environments can be done with a pre-defined degree of heritability.

关键词： environments breeding variance

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