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1.
目的探讨高原地区小儿先心病介入治疗的麻醉处理方法。方法 35例ASAI-II级患儿术前给予阿托品0.01~0.02mg/Kg,诱导给予丙泊酚2~3mg/Kg,琥珀胆碱2mg/Kg,维持七氟醚3~4%,并予气管插管,术后麻醉清醒、拔管并送至病房。结果 35例先心病患儿分别是17例动脉导管未闭,10例房间隔缺损和8例室间隔缺损,患儿均成功完成介入封堵手术,手术时间30~45min,苏醒时间5~10min。患儿均在静吸复合麻醉下完成手术,所有患儿均无麻醉并发症发生。结论术前准备和术中呼吸循环监测是小儿先心病介入治疗麻醉成功的关键,七氟醚大部分以原形从肺呼出,诱导、苏醒作用均很迅速,且无体内蓄积,在高原地区小儿先心病介入手术治疗中是安全有效的麻醉选择。  相似文献   

2.
目的 探讨西藏地区神经内镜经鼻-蝶窦入路垂体瘤切除术术后并发症原因、治疗方法及预防。方法 统计分析2021年8月—2022年8月在西藏自治区人民医院经神经内镜经鼻-蝶窦入路垂体瘤切除术的15例患者的临床资料,回顾性分析垂体瘤术后并发症及恢复情况等。结果 术后发生脑脊液鼻漏10例,后期治愈8例,2例经再次行内镜下封堵后治愈;患者术后暂时性尿崩症8例,予以去氨加压素片治疗,同时给予维持电解质平衡,治疗后症状缓解。术后甲状腺功能减退3例,予以左旋甲状腺素片替代治疗3~9个月,复查激素恢复正常。结论 神经内镜经鼻-蝶窦入路垂体瘤切除术具有视野清晰,对于减少手术创伤、术后快速恢复、了解术后并发症的病因、充分的术前评估、掌握并发症的机理、术中仔细操作和术后监测,对于减少术后并发症的发生,提高治疗效果。  相似文献   

3.
地形测量学是研究和确定地球的形状、大小、重力场,整体局部运动和地面点的集合位置以及他们的变化理论和技术的学科。传统的测绘包括控制测量、地形测量、施工测量、竣工测量和变形监测5个部分。本文阐述了地形测量和测绘技术的相关概念及目前地形测量的测绘自动化技术,并探讨了测绘技术自动化技术的发展趋势。  相似文献   

4.
郭红  杨宇  郭秀娟 《科技风》2014,(13):201-201
目的:探讨术前术后口腔健康维护对糖尿病患者拔牙创愈合的影响。方法:对前来我院门诊拔牙的患者进行血压、血糖检测,选取确诊为2型糖尿病1年以上,无严重并发症且1年内未接受过洁治的患者188例,随机分为实验组和对照组各94例。进行拔牙术前两周常规监测患者血糖稳定在安全范围,空腹血糖8.88mmol/L或餐后血糖10mmol/L。同一患者需要拔出的不同牙齿分次拔除依次列入对照组B组,实验组A组,相邻两次拔牙时间间隔30天。实验组在术前及术后进行口腔健康维护,对照组则进行自我管理。结果:实验组(A组)拔牙术后感染2例,对照组(B组)拔牙术后感染13例,差异有统计学意义(P0.05)。结论:糖尿病患者术前术后口腔维护能够促进拔牙创愈合,对减少术后感染率具有重要作用。  相似文献   

5.
肾集合管癌是一种罕见的泌尿系肿瘤,笔者在临床中遇到一例,经螺旋CT平扫和增强检查显示出病变的位置、形状、大小、组织密度及与比邻组织的关系,术后两年复查,螺旋CT明确显示了肾集合管癌转移的部位和侵犯范围,螺旋CT对其术前及术后的诊断具有十分重要的临床意义。  相似文献   

6.
刘斌  王莉 《中国科技信息》2005,(12):157-158
目的:分析经皮冠状动脉介入治疗(PCI)术后6小时肌钙蛋白T(cTnT)、肌酸激酶同工酶(CK-MB)升高的影响因素及其对患者住院期间心血管临床事件的影响方法:对102例行PCI术治疗患者分别于术前及术后6小时测定cTnT的变化与术后早期心血管临床事件发生的关系结果:102例患者入选,其中术后6hcTnT增高组24例,其增高与住院期间早发临床事件密切相关,与PIC术中球囊扩张次数、扩张时间、扩张压力总和等因素相关结论:PIC术后可以造成心肌损伤,cTnT作为监测心肌损伤可靠灵敏指标,对PIC术后危险分层具有意义,且与住院期间临床心血管事件相关。  相似文献   

7.
刘超 《大众科技》2013,(5):147-149
[目的]探讨经皮椎体成形术的临床应用。[方法]回顾性分析椎体压缩骨折患者56例80椎接受椎体成形术治疗后的临床疗效。[结果]术后患者疼痛症状明显减轻,术后3 d及1年的VAS评分较术前差异均有统计学意义(P<0.05);椎体高度恢复明显。[结论]经皮椎体成形术治疗椎体压缩骨折简单快捷、安全有效、疗效显著,临床应用前景良好。  相似文献   

8.
正Brandt等人的论文报道了他们对覆盖西非西撒哈拉和萨赫勒地区超过130多万平方公里的高分辨率卫星图像的分析结果,他们绘制了大约18亿棵树木的位置和大小。在此之前,科学家还从未在如此大的区域内绘制出如此精细的树木地图。商业卫星已经开始收集数据,能够捕捉到大小在1平方米或以下的地面物体。陆地遥感领域因此即将迎来根本性的飞跃:从侧重于综合景观尺度的测量,到有可能在大范围或全球尺度上绘制每棵树的位置和树冠大小。这一进展无疑也将根本性地改变我们思考、监测、模拟和管理全球陆地生态系统的方式。  相似文献   

9.
闫志刚 《科协论坛》2007,(10):59-60
采用脱细胞异体真皮修复42例浅表的口腔黏膜缺损,缺损部位为前庭沟、舌、口底、颊部、腭部、牙龈及唇部,缺损面积2.25~12.00cm2。将脱细胞真皮基质基底膜面向外,分别用缝固定、反包扎、基托固定的方式,覆盖于黏膜缺损区。术后随访3个月~1年。结果完全成活40例,大部成活2例,无火败病例。脱细胞异体真皮存在两种成活形式,其中上皮化愈着成活12例,附着成活30例。术后收缩发生在2-4周,4周内收缩率为3.7%±1.1%。3个月后基本稳定。无瘢痕挛缩。  相似文献   

10.
目的评价腹腔镜腹股沟疝修补术的安全性和有效性。方法回顾外一科2012年3月一2014年8月,行腹腔镜腹股沟疝完全腹膜外补片植入术TEP 21例。在腹直肌前后鞘之间钝性分离建立操作间隙,回纳疝囊,置人补片覆盖缺损并固定。结果 21例手术全部顺利完成手术。无中转开放手术。手术时间50-76min。术后未使用止痛剂。并发症:血清肿(包括血肿)占2.85%(6/21),疼痛(能仍受)占1.90%(4/21),无腹壁下动脉损伤、尿潴留、输精管损伤等情况。术后住院5—10d,平均7.2d。术后第3天开始适当下床活动。随访2—18个月,平均9月,无一例复发。结论 TEP是安全有效的无张力疝修补方法。  相似文献   

11.
CAS should stick to the principle of rendering service to, and giving impetus for, the development of China's science enterprise by making S&T innovations, said CAS President LU Yongxiang. The CAS president made the remarks in a recent talk to communicate the gist of the winter session of the Party's Leading-member Group at CAS, which was held from 7 to 11 January in Beijing.  相似文献   

12.
This study examined how students who had no prior experience with videoconferencing would react to the use of videoconferencing as an instructional medium. Students enrolled in seven different courses completed a questionnaire at the beginning of the semester and again at the end of the semester. Students at the origination and remote sites did not differ in their reactions toward videoconferencing but there was a significant difference for gender. Women reacted less favorably to videoconferencing. Compared to the beginning of the semester, students reported significantly less positive attitudes toward taking a course through videoconferencing at the end of the semester. There were no significant differences in students' attitudes toward videoconferencing across courses at the beginning of the semester but there were significant differences across the courses at the end of the semester. The results suggest the need for better preparation for both students and instructors.  相似文献   

13.
With great care, Dr. ZHOU Zhonghe takes out a package wrapped by cotton tissue from a drawer and says: "This is the gem of our collections: the fossil of a bird that lived 125 million years ago!" Then, pointing at a tiny mound, he explains: "Look, this is the claw and that is the head. It was in the egg shell and ready to hatch ... The species fell into a family of waterside inhabitants."  相似文献   

14.
Ajoint study by Prof. ZHANG Zhibin from the CAS Institute of Zoology and his co-workers from Norway, US and Swiss have indicated that historical outbreaks of migratory locusts in China were associated with cold spells, suggesting that China's projected climate warming could decrease the pest's numbers. The study was published in Proceedings of theNational Academy of Sciences on 17 September, 2007.  相似文献   

15.
A computer-mediated group is a complex entity whose members exchange many types of information via multiple means of communication in pursuit of goals specific to their environment. Over time, they coordinate technical features of media with locally enacted use to achieve a viable working arrangement. To explore this complex interaction, a case study is presented of the social networks of interactions and media use among members of a class of computer-supported distance learners. Results show how group structures associated with project teams dominated who communicated with whom, about what, and via which media over the term, and how media came to occupy their own communication niches: Webboard for diffuse class-wide communication; Internet Relay Chat more to named others but still for general communication across the class; and e-mail primarily for intrateam communication. Face-to-face interaction, occurring only during a short on-campus session, appears to have had a catalytic effect on social and emotional exchanges. Results suggest the need to structure exchanges to balance class-wide sharing of ideas with subgroup interactions that facilitate project completion, and to provide media that support these two modes of interaction.  相似文献   

16.
Electronic data interchange (EDI) provides means for interorganizational communication, creates network externalities, requires an advanced information technology (IT) infrastructure, and relies on standards. In the diffusion of such innovations, institutional involvement is imperative. Such institutions contain governmental agencies, national and global standardization organizations, local government, and nonprofit private organizations like industry associations. The last type of organizations we call intermediating institutions. They intermediate or coordinate ("inscribe") the activities of a group of would-be adopters. Unfortunately, little is known of how these organizations shape the EDI diffusion trajectory. In this article we examine one specific type of intermediating organizations?industry associations?and how they advanced the EDI diffusion process in the grocery sectors of Hong Kong, Denmark and Finland. We identify six institutional measures, placed into a matrix formed by the mode of involvement (influence vs. regulation) and the type of diffusion force (supply push vs. demand pull), that can be mobilized to further the EDI diffusion. Industry associations were found to be active users of all these measures to varying degrees. Their role was critical especially in knowledge building, knowledge deployment, and standard setting. Furthermore, institutional involvement varied due to policy and cultural contingencies and power dependencies.  相似文献   

17.
The increasing prospects of digital piracy has prompted the perceived need by electronic publishers to adopt technical systems of protection, and governments to reform their copyright laws. This article is a preliminary study of the management of intellectual property by electronic publishers, defined as those involved in the production of online databases, and CD-ROMs. It focuses on three main issues: (1) how electronic publishers view the increasing threat of piracy; (2) the methods of protection employed to protect intellectual property in digital format; and (3) the importance of technological protection of intellectual property in electronic publications. The analysis is based on a sample of 23 UK electronic publishers. The interviews revealed an interesting assortment of protection methods and did not show that technological protection was a preferred way. Instead, the means of protection, in addition to copyright law, comprised niche markets, pricing, trust, bad publicity, and nontechnical and technical means.  相似文献   

18.
Long-standing conflict between domain name registrants and trademark holders prompted the Internet Corporation for Assigned Names and Numbers (ICANN) to create a global, mandatory arbitration procedure known as the Uniform Dispute Resolution Policy (UDRP). The UDRP has been used in 2166 cases involving 3938 domain names as of 1 November 2000. The policy gives the initiator of a complaint, generally a trademark holder, the right to choose which ICANN-accredited dispute resolution service provider (RSP) will handle the case. During the preparation of the UDRP,some feared that complainant selection would lead to "forum shopping" that might bias the results. This article performs a statistical assessment of the forum-shopping thesis and finds support for it. There are statistically significant differences in the various RSPs' propensity to take away names from defendants; there are also major differences in the number of cases brought to each RSP. RSPs who take away names have the larger share of cases. The study examines other variables that might explain differences in market share, such as price, the plaintiff's nationality, or the time taken to decide a case. It finds that nationality and time also are correlated with market share. The study concludes that shopping for a favorable outcome is an important factor in the UDRP.  相似文献   

19.
Prof. Raymond C.K. Chen, a neuropsychologist with the CAS Institute of Psychology, has made novel progress in his studies of schizophrenia. His work has been reported by a recent issue of Behavioural Neurology.  相似文献   

20.
Prof. SUN Changpu from the CAS Institute of Theoretical Physics and coworkers from University of Basel in Switzerland have worked out a way --at least in theory --to split a beam of molecules according to their chirality. The technique involves passing the molecules through three different laser beams and is similar to the famous Stern-Gerlach effect, whereby a beam of atoms passing through a magnetic field is split in two according to the atoms' spin states (Phys. Rev. Lett. 99 130403).  相似文献   

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