检索结果-南通市图书馆

经尿道整块剜除术与经尿道膀胱肿瘤电切术在非肌层浸润性膀胱癌治疗中的疗效对比

在线全文

学校读者我要写书评

暂无评论

泌尿外科杂志（电子版） 2024年第4期16卷 55-58页

作者：黄沛东林楚琪林坤城陈晓生卢勇揭阳市人民医院泌尿外科广东揭阳522000

目的对比经尿道整块剜除术(en bloc resection of bladder tumor,EBRBT)与经尿道膀胱肿瘤电切术(transurethral resection of bladder tumor,TURBT)在非肌层浸润性膀胱癌(non-muscle invasive bladder cancer,NMIBC)治疗中的疗效。方法选取2021年4月至2023年2月于揭阳市人民医院接受手术治疗的58例NMIBC患者作为研究对象,按照计算机随机法分为EBRBT组和TURBT组,每组29例,分别行EBRBT和TURBT。观察两组患者围手术期指标、并发症、术后肌层侵犯率及术后1年肿瘤复发情况。结果两组手术时间差异无统计学意义(P>0.05);EBRBT组术中出血量为(10.71±4.78)ml,较TURBT组(16.58±6.27)ml少,EBRBT组术后尿管留置时间与住院时间分别为(3.23±1.66)d及(4.92±1.06)d,少于TURBT组的(4.75±1.71)d及(5.87±1.82)d,差异有统计学意义(P<0.05);EBRBT组术后并发症发生率为3.45%(1/29),比TURBT组的20.69%(6/29)低,差异有统计学意义(P<0.05);术后EBRBT组肌层侵犯率、肿瘤复发率分别为92.59%和6.9%,显著低于和TURBT组的62.07%和26.67%,差异有统计学意义(P<0.05)。结论EBRBT相较于TURBT安全性更好,患者预后效果更佳。

关键词：非肌层浸润性膀胱癌经尿道整块剜除术经尿道膀胱肿瘤电切术

Biomechanical energy harvesting technologies for wearable electronics:Theories and devices

在线全文

学校读者我要写书评

暂无评论

Friction 2024年第8期12卷 1655-1679页

作者： Xiaowen LI Xu ZENG Junwei LI Boyuan LI Yu chen xiaosheng ZHANG University of Electronic Science and Technology of China Chengdu 611731China

Wearable biomechanical energy harvesting devices have received a lot of attention recently,benefiting from the rapid advancement of theories and devices in the field of the micro electromechanical system(MEMS).They not only fulfil the requirements for powering wearable electronic devices but also provide an attractive prospect for powering self-powered flexible electronic devices when *** this article,we provide a review of the theories and devices of biomechanical energy harvesting technology for wearable *** different forms of biomechanical energy harvesting mechanisms,including the piezoelectric effect,electromagnetic effect,and electrostatic effect,are investigated in *** fundamental principle of converting other types of energy from the biomechanical environment into electrical energy,as well as the most commonly-used analytical theoretical models,are outlined for each ***,the features,properties,and applications of energy harvesting devices are *** addition,the coupled multi-effect hybrid energy harvesting devices are listed,showing the various possibilities of biomechanical energy harvesting devices for serving as sources,sensors,and ***,we present perspectives on the future trends of biomechanical energy harvesting devices for wearable electronics applications.

关键词： micro electromechanical system(MEMS) nanogenerators biomechanical energy harvesters wearable electronics

螺旋CT对106例骨关节损伤的诊断分析及临床研究

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

中国现代医生 2015年第1期53卷 46-48,F0003页

作者：魏伟明陈晓生卢镇生黄海涛广东省普宁市人民医院骨科广东普宁515300 广东省普宁市人民医院影像中心广东普宁515300

目的分析螺旋CT在骨关节创伤诊断中的临床应用价值。方法回顾性分析我院2011年1月-2014年1月收治的骨关节创伤患者106例,随机分为对照组和研究组各53例,对照组患者行X线平片扫描;研究组患者在此基础上行螺旋CT图像,研究组患者均行表面... 详细信息

目的分析螺旋CT在骨关节创伤诊断中的临床应用价值。方法回顾性分析我院2011年1月-2014年1月收治的骨关节创伤患者106例,随机分为对照组和研究组各53例,对照组患者行X线平片扫描;研究组患者在此基础上行螺旋CT图像,研究组患者均行表面遮盖法重建（SSD）以及多平面重建（MPR）。结果在骨关节创伤的显示情况方面,对照组患者平片显示36例（67.9%）,研究组SSD显示50处（94.3%）,MPR显示92处（98.1%）,研究组显示骨折或者脱位数要高于对照组。结论螺旋CT重建处理技术对骨关节创伤的诊断优于X线平片,因而有助于选择合适的临床治疗方案以及手术计划。

关键词：螺旋CT 骨关节创伤诊断临床应用

不同侧弯类型对青少年脊柱生理曲度及骨盆运动学特征影响

在线全文

学校读者我要写书评

暂无评论

医用生物力学 2023年第6期38卷 1160-1166页

作者：刘杨王伟君陆昕海韩宗萍汝首杭陈晓生朱智祥卓挺宇杨雷颜滨深圳市青少年脊柱健康中心广东深圳518000 深圳市第二人民医院脊柱外科广东深圳518025

目的探讨不同弯形青少年特发性脊柱侧凸(adolescent idiopathic scoliosis,AIS)患者站立位及行走时脊柱、骨盆运动学特征,为康复形体训练提供可参考建议。方法使用Diers 4D motion模块测量45名单弯、45名双弯AIS患者及27名健康青少年站... 详细信息

目的探讨不同弯形青少年特发性脊柱侧凸(adolescent idiopathic scoliosis,AIS)患者站立位及行走时脊柱、骨盆运动学特征,为康复形体训练提供可参考建议。方法使用Diers 4D motion模块测量45名单弯、45名双弯AIS患者及27名健康青少年站立位及行走状态下胸曲角、腰曲角,以及骨盆旋转和骨盆倾斜参数。结果站立位健康组胸曲角(40.67°)和腰曲角(39.68°)角度最大,步行时双弯组胸曲增大角度(6.1°)最大,健康组胸曲增大角度(-10.37°)最小;站立位下单弯组的骨盆倾斜方向与主弯同向。结论相对于站立位,步行时3组胸曲角运动趋势主要以减少为主,且受到侧弯类型的影响,腰曲角则在3组中均表现为减少;两侧弯组站立位骨盆三维形态受腰椎代偿弯影响,且步行时骨盆旋转功能与腰椎代偿弯和骨盆初始位置有关。建议治疗师在进行患者骨盆功能评估和训练时,应充分考虑侧弯弯形可能带来对结果的影响,并有针对性地对盆活动度不足侧进行松解和功能训练,提高骨盆运动功能的对称性。

关键词：青少年特发性脊柱侧凸骨盆运动功能脊柱表面形态

维普期刊数据库博看期刊

经腹部超声及经阴道超声诊断宫角妊娠的效果差异分析

在线全文

学校读者我要写书评

暂无评论

影像研究与医学应用 2020年第9期4卷 38-40页

作者：曹炎周乾潮邓文杰陈晓生梁凤婷河源市妇幼保健院广东河源517000

目的:研究经腹部超声(TAS)与经阴道超声(TVS)对于宫角妊娠患者的作用与效果。方法:抽选我院接受并治疗的66例疑似是宫角妊娠病例,抽选时间最开始由2017年8月直到2019年8月,对所有患者都施予TAS、TVS、手术检查,把手术检查而得的结果当作... 详细信息

目的:研究经腹部超声(TAS)与经阴道超声(TVS)对于宫角妊娠患者的作用与效果。方法:抽选我院接受并治疗的66例疑似是宫角妊娠病例,抽选时间最开始由2017年8月直到2019年8月,对所有患者都施予TAS、TVS、手术检查,把手术检查而得的结果当作"金标准",观察比较其结果。结果:在检测后,TVS诊断的总准确率、对宫角妊娠诊断的总准确率对比TAS更高,具有十分显著性的差异(P<0.05)。结论:对于宫角妊娠患者而言,TVS对比TAS能够得到更为良好的诊断效果,建议临床推崇使用。

关键词：经阴道超声诊断经腹部超声效果宫角妊娠

Discovery of molecular associations among aging, stem cells, and cancer based on gene expression profiling

在线全文

学校读者我要写书评

暂无评论

Chinese Journal of Cancer 2013年第4期32卷 155-161页

作者： xiaosheng Wang Biometric Research Branch National Cancer InstituteNational Institutes of Health

The emergence of a huge volume of "omics" data enables a computational approach to the investigation of the biology of cancer. The cancer informatics approach is a useful supplement to the traditional experimental approach. I reviewed several reports that used a bioinformatics approach to analyze the associations among aging, stem cells, and cancer by microarray gene expression profiling. The high expression of aging- or human embryonic stem cell-related molecules in cancer suggests that certain important mechanisms are commonly underlying aging, stem cells, and cancer. These mechanisms are involved in cell cycle regulation, metabolic process, DNA damage response, apoptosis, p53 signaling pathway, immune/inflammatory response, and other processes, suggesting that cancer is a developmental and evolutional disease that is strongly related to aging. Moreover, these mechanisms demonstrate that the initiation, proliferation, and metastasis of cancer are associated with the deregulation of stem cells. These findings provide insights into the biology of cancer. Certainly, the findings that are obtained by the informatics approach should be justified by experimental validation. This review also noted that next-generation sequencing data provide enriched sources for cancer informatics study.

关键词： Cancer aging stem cells gene expression profiling Cancer informatics

Controlled Growth of One-Dimensional Oxide Nanomaterials

在线全文

学校读者我要写书评

暂无评论

Journal of Materials Science & Technology 2006年第1期22卷 1-18页

作者： xiaosheng FANG Lide ZHANG Key Laboratory of Materials Physics Institute of Solid State Physics Chinese Academy of Sciences P.O. Box 1129Hefei 230031 China

This article reviews the recent developments in the controlled growth of one-dimensional （1D） oxide nanomaterials, including ZnO, SnO2, In203, Ga203, SiOx, MgO, and Al203. The growth of 2D oxide nanomaterials was carried out in a simple chemical vapor transport and condensation system. This article will begin with a survey of nanotechnology and 1D nanomaterials achieved by many researchers, and then mainly discuss on the controlled growth of ID oxide nanomaterials with their morphologies, sizes, compositions, and microstructures controlled by altering experimental parameters, such as the temperature at the source material and the substrate, temperature gradient in the tube furnace, the total reaction time, the heating rate of the furnace, the gas flow rate, and the starting material. Their roles in the formation of various morphologies are analyzed and discussed. Finally, this review will be concluded with personal perspectives on the future research directions of this area.

关键词： Controlled growth One-dimensional Oxide Nanomaterials

系统超声检查在不同孕期诊断胎儿畸形的临床观察

在线全文

学校读者我要写书评

暂无评论

中国医学工程 2020年第4期28卷 52-54页

作者：曹炎邓文杰周乾潮陈晓生梁凤婷广东省河源市妇幼保健院超声科广东河源517000

目的阐述系统超声检查用于诊断胎儿畸形的具体方法及效果,并分析孕期与胎儿畸形筛查准确性的关系。方法该次研究时间为期2年,2017年6月至2019年6月,研究对象选择于该院接受产前胎儿畸形检查的孕妇200例,分别于孕早期、孕中期及孕晚期进... 详细信息

目的阐述系统超声检查用于诊断胎儿畸形的具体方法及效果,并分析孕期与胎儿畸形筛查准确性的关系。方法该次研究时间为期2年,2017年6月至2019年6月,研究对象选择于该院接受产前胎儿畸形检查的孕妇200例,分别于孕早期、孕中期及孕晚期进行系统超声检查,以产后或尸检结果为标准计算系统超声检查的准确率,同时分析不同孕期检出胎儿畸形的概率。结果 200例孕妇经系统超声总计检出畸形胎儿47例,而产后或尸检共计畸形胎儿49例,漏诊2例,系统超声诊断准确率为95.92%,其中孕中期检出胎儿畸形概率明显高于孕早期、孕晚期检出率(P<0.05)。分析发现,孕早期检出胎儿畸形情况主要以胸腔壁畸形、中枢神经畸形为主,孕中期则以心血管、面部、颈部畸形为主,孕晚期以泌尿系统畸形、肿瘤等为主。结论利用系统超声技术筛查胎儿畸形准确性较高,孕中期胎儿畸形检出率最高,不同孕期筛查比较能够有效提高畸形检出率,提倡应用。

关键词：系统超声检查孕期诊断胎儿畸形

One-Dimensional (1D) ZnS Nanomaterials and Nanostructures

在线全文

学校读者我要写书评

暂无评论

Journal of Materials Science & Technology 2006年第6期22卷 721-736,I0001-I0002页

作者： xiaosheng FANG Lide ZHANG Key Laboratory of Materials Physics Institute of Solid State Physics Chinese Academy of Sciences P.O.Box 1129 Hefei 230031 China

One-dimensional （1D） nanomaterials and nanostructures have received much attention due to their potential interest for understanding fundamental physical concepts and for applications in constructing nanoscale electric and optoelectronic devices. Zinc sulfide （ZnS） is an important semiconductor compound of Ⅱ-Ⅵ group, and the synthesis of 1D ZnS nanomaterials and nanostructures has been of growing interest owing to their promising application in nanoscale optoelectronic devices. This paper reviews the recent progress on 1D ZnS nanomaterials and nanostructures, including nanowires, nanowire arrays, nanorods, nanobelts or nanoribbons, nanocables, and hierarchical nanostructures etc. This article begins with a survey of various methods that have been developed for generating 1D nanomaterials and nanostructures, and then mainly focuses on structures, synthesis, characterization, formation mechanisms and optical property tuning, and luminescence mechanisms of 1D ZnS nanomaterials and nanostructures. Finally, this review concludes with personal views towards future research on 1D ZnS nanomaterials and nanostructures.

关键词： One-dimensional ZnS Nanomaterials Nanostructures