鼻内窥镜下经鼻窦治疗眼眶爆裂性骨折临床观察

目的 探讨鼻窦内镜经鼻窦治疗眼眶爆裂性骨折的手术效果。方法应用鼻窦内镜经上颌窦、筛窦回复窦内嵌顿或陷入的眶内软组织，并用医用硅胶膜板植垫骨缺区。结果术后经CT检查12例眼眶爆裂性骨折软组织嵌顿或陷入复位完全。经随访功能障碍性复视症状消失，眼位正常，未发现植垫物排斥现象，且视力均有不同程度提高。结论眼眶爆裂性骨折可应用鼻窦内镜经上颌窦、筛窦内回复固定嵌顿的眼内软组织，并具有术中眼部组织损伤小等优点。     

垂体腺瘤切除后并发症的观察和护理

目的 探讨经碟入路手术治疗垂体腺瘤术后并发症的观察及护理.方法 对48例垂体腺瘤分别采用经口鼻碟入路(17例),经鼻碟入路(31例)切除.经口鼻碟入路,唇下粘膜切口,进入鼻前庭;经鼻碟入路,右侧鼻孔进入,切开鼻中隔粘膜.最后均在两侧鼻中隔粘膜间形成通道,至碟窦腹侧壁,打开碟窦及碟底,进入鞍内.结果 全切37例.次全切6例.大部分切除5例.无手术死亡.脑出血1例,一过性尿崩8例,脑脊液鼻漏5例,视力障碍加重2例,体温异常5例,电解质紊乱3例,消化道出血2例.17例随访3～24个月,平均12个月,4例6个月复发,4例怀孕生育下一代.结论 加强经碟入路切除垂体腺瘤患者围手术期并发症的观察和护理,可以进一步的认识到脑出血是最严重的并发症,视力障碍是首发症状,脑脊液漏是常见的并发症,尿崩大部分是一过性,为临床积累了丰富的护理经验,是提高手术成功率,促进患者早日康复的关键.     

非侵袭性真菌性上颌窦炎的鼻内镜手术128例临床分析

目的探讨反张咬钳和钩突刀两种钩突切除方式对非侵袭性真菌性上颌窦炎鼻内镜手术疗效的影响.方法将128例单侧非侵袭性真菌性上颌窦炎患者随机分为A、B两组,每组各64例,A组采用70°鼻内镜下反张咬钳由后向前咬除钩突中部;B组采用0°鼻内镜下钩突刀切除钩突的方法,显露和扩大上颌窦自然开口,清除并冲洗上颌窦内的分泌物.结果与钩突刀切除钩突开放上颌窦的方法相比,采用反张咬钳手术的患者术腔上皮化相对较早,术后上颌窦口再狭窄发生率较低.结论采用鼻内镜下反张咬钳咬除钩突中部,扩大上颌窦自然窦口的手术方式,组织损伤小,恢复快,鼻窦黏膜功能保留良好.     

鼻内镜手术治疗儿童鼻窦炎32例分析

目的:儿童鼻窦炎与成人鼻窦炎在临床诊断和治疗上存在较大的区别.本文旨在探讨鼻内镜手术治疗儿童鼻窦炎的适应症及手术方法,以期提高治疗效果.方法:对经系统药物治疗、辅助性手术无效的儿童鼻窦炎患者32例(59侧)行鼻内镜手术,术中切除钩突和开放前筛(mini-FESS),解除鼻窦口的阻塞,处理严重的鼻腔解剖结构的异常,并术后处理、随访.结果:随访1年以上,其中15例治愈(46.9%),11例好转(34.3%),6例无效(18.8%),总有效率81.2 %,其中9例(13例/59侧)发生鼻腔粘连(22.0%),再次手术4例,未见其他严重手术并发症.结论:鼻内镜手术是常规保守治疗无效的儿童鼻窦炎的有效方法之一.手术适应症的把握、手术中鼻腔结构的处理、术后鼻内镜下换药和综合治疗是手术疗效的保证.     

经鼻内镜手术治疗孤立性额窦良性病变24例观察

目的:探讨孤立性额窦良性病变的诊断及经鼻内镜额窦开放手术的疗效.方法:选择24例以头痛为主诉的孤立性额窦良性病变患者,根据病变程度在局麻或全麻下行不同类型的经鼻内镜额窦开放术,以术前、术后鼻内镜检查结果及头痛症状改善程度评价手术疗效.结果:术后随访时间6~11个月,24例患者中19例临床症状完全消失,4例头痛症状缓解,1例头痛症状无改善;鼻内镜观察20例患者额窦口开放良好,额隐窝粘膜上皮化,2例额隐窝粘膜水肿,药物治疗后头痛改善,2例额窦口闭锁患者经再次手术后头痛症状消失.所有患者术中、术后均未出现严重并发症.结论:经鼻内镜额窦开放术治疗孤立性额窦良性病变所致鼻源性头痛疗效确切.术前仔细分析冠状位CT,术中尽量减少额隐窝粘膜的损伤,术后额隐窝放置浸泡普米克令舒的纳吸棉及选择合适的手术器械是手术成功的关键.     

用鼻内窥镜摘出蝶筛眶交角异物—例报告

用鼻内窥镜摘出蝶筛眶交角异物—例报告史剑波，许庚（暨南大学医学院附属医院耳鼻咽喉科，５１０６３０，广州）蝶筛眶骨深部异物处理，一直是临床比较棘手的问题，我们采用鼻内窥镜经中、后筛窦取出蝶筛眶交角处汔枪子弹一例，现报告如下：１病例患者，女，１３岁，病历...     

鼻内镜手术治疗真菌性鼻窦炎35例疗效观察

目的:探讨鼻内镜手术治疗真菌性鼻窦炎的临床效果.方法:回顾分析我院2003年7月至2007年2月间.经病理学确诊的35例真菌性鼻窦炎经鼻内镜手术治疗的临床效果.结果:35例患者术后症状消失,定期在门诊复查,清理,鼻腔及各鼻窦口开放良好.结论:鼻内镜手术治疗真菌性鼻窦炎创伤小、治愈率高、复发率低,是治疗该病的理想方法.     

鼻内镜下鼻腔内鼻泪囊开放14例

目的:总结鼻内镜下鼻腔泪囊开放术治疗鼻泪管阻塞的疗效与经验.方法:回顾性分析14例鼻内镜下鼻腔内鼻泪囊开放术患者的临床资料.结果:对14例患者随访半年,全部治愈.结论:对于因鼻泪管阻塞导致的溢泪患者,可考虑在鼻内镜下行鼻腔内泪囊开放术.     

经口径路鼻内镜下儿童腺样体切除术的体会

目的 探讨分析经口径路鼻内镜下儿童腺样体切除术的疗效.方法 对2004年6月至2005年12月在我科室行经口径路鼻内镜下儿童腺样体切除术的15例病例进行回顾性总结分析.结果 15例患者术后恢复良好,无腺样体残留,软腭、咽鼓管咽口无损伤及粘连等并发症.结论 经口径路鼻内镜下儿童腺样体切除术,操作直观、安全、创伤小,出血量少,愈合快,值得推广应用.     

内镜鼻内手术30例术后治疗体会

目的:总结鼻内窥镜下鼻内手术后并发症的发生与防治.方法:通过对30例内镜下鼻内手术后处理的临床分析,进行总结.结果:随访6个月后,24例无复发及并发症,3例发生粘连,3例随访失踪.结论:术后治疗对鼻内镜手术的整体疗效极其重要,换药时间不少于8周.     

Markedness and its Interpretation in Language Use

Language markedness is a common phenomenon in languages, and is reflected from hearing, vision and sense, i.e. the variation in the three aspects such as phonology, morphology and semantics. This paper focuses on the interpretation of markedness in language use following the three perspectives, i.e. pragmatic interpretation, psychological interpretation and cognitive interpretation, with an aim to define the function of markedness.     

Features of Women's language

Language is a means of verbal communication. People use language to communicate with each other. In the society, no two speakers are exactly alike in the way of speaking. Some differences are due to age, gender, statue and personality. Above all, gender is one of the obvious reasons. The writer of this paper tries to describe the features of women＇s language from these perspectives： pronunciation, intonation, diction, subjects, grammar and discourse. From the discussion of the features of women＇s language, more attention should be paid to language use in social context. What＇s more, the linguistic phenomena in a speaking community can be understood more thoroughly.     

An Analysis of Catherine＇s Character——Wuthering Heights

Wuthering Heights, Emily Bronte＇s only novel, was published in December of 1847 under the pseudonym Ellis Bell. The book did not gain immediate success, but it is now thought one of the finest novels in the English language. Catherine is the key character of this masterpiece, because everybody and everything center on her though she had a short life. We can understand this masterpiece better if we know Catherine well.     

Lower Paleozoic oil relationships within Williston Basin, Canada

The Williston Basin is a significant petroleum province, containing oil production zones that include the Middle Cambrian to Lower Ordovician, Upper Ordovician, Middle Devonian, Upper Devonian and Mississippian and within the Jurassic and Cretaceous. The oils of the Williston Basin exhibit a wide range of geochemical characteristics defined as "oil families", although the geochemical signature of the Cambrian Deadwood Formation and Lower Ordovician Winnipeg reservoired oils does not match any "oil family". Despite their close stratigraphic proximity, it is evident that the oils of the Lower Palaeozoic within the Williston Basin are distinct. This suggests the presence of a new "oil family" within the Williston Basin. Diagnostic geochemical signatures occur in the gasoline range chromatograms, within saturate fraction gas chromatograms and biomarker fingerprints. However, some of the established criteria and cross-plots that are currently used to segregate oils into distinct genetic families within the basin do not always meet with success, particularly when applied to the Lower Palaeozoic oils of the Deadwood and Winnipeg Formation.     

低渗透非均质砂岩油藏启动压力梯度研究

理论推导与室内实验相结合,建立了低渗透非均质砂岩油藏启动压力梯度确定方法。首先借助油藏流场与电场相似的原理,推导了非均质砂岩油藏启动压力梯度计算公式。其次基于稳定流实验方法,建立了非均质砂岩油藏启动压力梯度测试方法。结果表明:低渗透非均质砂岩油藏的启动压力梯度确定遵循两个等效原则。平面非均质油藏的启动压力梯度等于各级渗透率段的启动压力梯度关于长度的加权平均;纵向非均质油藏的启动压力梯度等于各渗透率层的启动压力梯度关于渗透率与渗流面积乘积的加权平均。研究成果可用于有效指导低渗透非均质砂岩油藏的合理井距确定,促进该类油藏的高效开发。     

On Tragic Consciousness In The Works By Ernest Hemingway

As an American modern novelist who were famous in the literary world, Hemingway was not a person who always followed the trend but a sharp observer. At the same time, he was a tragedy maestro, he paid great attention on existence, fate and end-result. The dramatis personae's tragedy of his works was an extreme limit by all means tragedy on the meaning of fearless challenge that failed. The beauty of tragedy was not produced on the destruction of life, but now this kind of value was in the impact activity. They performed for the reader about the tragedy on challenging for the limit and the death.     

Achieving Unusual States of Matter Under High Pressure

正The periodicity of the elements and the non-reactivity of the inner-shell electrons are two related principles of chemistry,rooted in the atomic shell structure.Within compounds,Group I elements,for example,invariably assume the+1 oxidation state,and their chemical properties differ completely from those of the p-block elements.These general rules govern our understanding of chemical structures and reactions.Using first principles calcula-     

Exchange-Correlation and Electronic Excitation Energies from Pairing Matrix Fluctuations

We have developed an adiabatic connection to formulate the ground-state exchange-correlation energy in terms of pairing matrix linear fluctuations.This formulation of the exchange-correlation energy opens a new channel for density functional approximations based on the many-body perturbation theory.We illustrate the potential of such approaches with an approximation based on the particle-particle Random Phase Approximation(pp-RPA).This re-     

Density Functional Theory for the Response of Periodic Systems to Electric Fields Based on the Vector Potential Approach

正The electronic and nuclear(structural/vibrational)response of 1D-3D nanoscale systems to electric fields gives rise to a host of optical,mechanical,spectral,etc.properties that are of high theoretical and applied interest.Due to the computational difficulty of treating such large systems it is convenient to model them as infinite and periodic(at least,in first approximation).The fundamental theoretical/computational problem in doing so is that     

On the Thermodynamic Limit for Responses to Static Electromagnetic Fields

For molecular systems,the quantum-mechanical treatment of their responses to static electromagnetic fields usually employs a scalar-potential treatment of the electric field and a vector-potential treatment of the magnetic field.Although the potential for each field separately is associated with the choice of an(unphysical)origin,the precise choice of the origin for the electrostatic field has little consequences for the results.This is different for the