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1.
目的:分析和探讨选择性肝动脉栓塞治疗巨大肝血管瘤的治疗效果。方法:50例肝血管瘤患者,瘤体直径5~27cm。全部病例经CT或MRI、肝动脉造影确诊。采用Seldinger技术经股动脉穿刺插管,行选择性肝动脉、肠系膜上动脉造影并栓塞。其中1例行3次栓塞,49例行1次栓塞。栓塞材料彩碘油+平阳霉素混合乳剂。结果:随访6~12个月,血管瘤供血动脉超选择性插管操作成功率100%,栓塞后无不良反应,除3例栓塞后无明显效果外,其他患者肿瘤均缩小,35例瘤体均缩小达50%以上。结论:选择性肝动脉栓塞治疗巨大肝血管瘤是一种疗效肯定,相对安全,较为理想的治疗方法。  相似文献   

2.
目的探讨应用介入技术治疗产后大出血的疗效及护理措施.方法以吸收性明胶海绵为栓塞材料,采用选择性动脉栓塞术治疗产后大出血40例,观察其疗效及护理措施.结果栓塞治疗后40例患者均成功止血.结论血管性介入技术治疗产后大出血疗效肯定,损伤小,副作用小,安全性高,易为患者接受,术前、术后的护理措施也尤为重要.  相似文献   

3.
目的:探讨剖宫产瘢痕部位妊娠(CSP)的临床特点及诊治方法.方法:回顾性分析2008-2013年内蒙古民族大学附属医院妇产科收治的剖宫产瘢痕部位妊娠病例共12例的临床资料.结果:1例患者因急性腹痛伴休克急诊开腹手术.9例患者给予米非司酮和/或甲氨蝶呤杀胚治疗后清宫.2例转外院,在子宫动脉介入栓塞后清宫;其中1例因大出血而行子宫切除术.结论:剖宫产瘢痕部位妊娠常出现停经后不规则阴道出血、药流时不全流产、人流或清宫时大量出血、子宫前壁下段不均质包块、清宫及流产后HCG持续不降、急性腹痛伴腹腔内大出血休克等症状.阴道超声对于剖宫产瘢痕部位妊娠的诊断起到至关重要的作用.给予米非司酮和/或甲氨蝶呤杀胚治疗后再清宫是基层医院治疗剖宫产瘢痕部位妊娠的有效方法,必要时可以开腹手术,有条件的医院可以采取子宫动脉介入栓塞后清宫.  相似文献   

4.
目的:观察原发性肝癌选择性肝动脉化疗栓塞术(TACE)后的并发症.方法:观察总结在我科住院56例肝癌病人行TACE术后的并发症及处理.结果:524例(占93%)有腹痛,48例(占86%)有发热,16例(占29%)有恶心呕吐,29例(占52%)AST升高,6例(占11%)血细胞减少.结论:肝动脉化疗栓塞术后的并发症少,化疗药物副作用小.  相似文献   

5.
目的 探讨肝动脉化疗栓塞术治疗肝癌的围手术期护理效果;方法 通过对500多人次动脉肝化疗栓塞术整个过程的观察和护理;结果 500多人次肝动脉化疗栓塞及围手术期护理,无1例出现严重并发症,均获得成功;结论 加强术前、术中、术后护理为确保肝动脉化疗栓塞术治疗的顺利康复和降低反应率起到了重要的作用.  相似文献   

6.
目的探讨双介入治疗食管胃底静脉曲张破裂出血合并脾功能亢进的临床应用价值,并总结其临床治疗经验.方法对伴有脾功能亢进的肝硬化门脉高压合并食管胃底静脉曲张破裂出血的18例患者行DSA下经皮肝穿刺、插管进入门脉,用弹簧栓、无水乙醇和明胶海绵栓塞食管胃底静脉,再行股动脉穿刺、插管至脾动脉行部分脾动脉栓塞.结果 18例病人(致出血的)胃冠状静脉、胃短静脉及脾动脉插管、栓塞均获成功.16例患者术后得到随访,随访1~16个月.其中2例于1~2周时再呕血,经保守治疗好转,1例术后3周死亡,余13例病情稳定,未再出血.结论双介入治疗食管胃底静脉曲张破裂出血合并脾功能亢进疗效确切,在对此类患者的治疗上具有较高的临床应用价值.  相似文献   

7.
目的 探讨肝动脉化疗栓塞术治疗肝癌的围手术期护理效果;方法 通过对500多人次动脉肝化疗栓塞术整个过程的观察和护理;结果 500多人次肝动脉化疗栓塞及围手术期护理,无1例出现严重并发症,均获得成功;结论 加强术前、术中、术后护理为确保肝动脉化疗栓塞术治疗的顺利康复和降低反应率起到了重要的作用.  相似文献   

8.
目的探讨介入疗法经皮股动脉穿刺插管选择性动脉灌注和栓塞术在治疗子宫颈妊娠中应用的临床价值。方法:对临床上确诊的9例子宫颈妊娠患者采用股动脉Seldinger技术经皮股动脉穿刺超选择插管实施双侧髂内动脉前干血管造影(DSA)明确胚囊的主要供血动脉,并选择性灌注铂类抗癌药(如卡铂),同时用明胶海绵颗粒栓塞供血动脉。结果:DSA造影检查显胚囊血供主要来自双侧子宫动脉或阴部内动脉,动脉期胚囊染色明显,边界清晰。行介入后4例胚囊5-7天内完全脱落自然排出,3例8-12天内脱落自然排出,2例14天后行清宫术清除孕囊。9例患者2-4周内血HCG均降至正常值(4u/L)以下。结论:经皮选择性动脉药物灌注术和选择性动脉栓塞术联合治疗子宫颈妊娠的方法具有临床疗效好、创伤小、并发症少的特点,并可达到保留子宫的目的。  相似文献   

9.
目的总结外伤性肝破裂的诊治经验。方法回顾分析34例外伤性肝破裂患者的诊断、治疗方案及术式等临床资料。结果保守治疗9例(2例中转手术),手术治疗的术式主要以缝合+大网膜或明胶海绵填塞(18例)和碎肝组织清除+缝合修补(5例)为主,经治疗后33例痊愈,1例死亡。结论Ⅱ级以上肝破裂应及时手术,小裂口做U形缝合,较大创口需结扎创缘胆道结构,清除碎肝组织,破碎严重者则行部分肝切除术,同时注意合并伤处理,术后应护肝、抗感染。  相似文献   

10.
正探讨三维CT血管造影(3D-CTA)在颅内动脉瘤病因诊断和治疗中的临床价值。方法:对2010年9月至2013年10月就诊的75例自发性蛛网膜下腔出血患者先行头颅3D-CTA检查,3D-CTA诊断为动脉瘤的患者行动脉瘤夹闭术或介入栓塞术,3D-CTA诊断阴性的患者进一步行DSA检查。结果:75例患者中3D-CTA检出63例动脉瘤,后经介入栓塞或手术证实63例动脉瘤患者中61例为动脉瘤,  相似文献   

11.
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.  相似文献   

12.
何延凌 《科技信息》2008,(4):258-258
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.  相似文献   

13.
The discovery of the prolific Ordovician Red River reservoirs in 1995 in southeastern Saskatchewan was the catalyst for extensive exploration activity which resulted in the discovery of more than 15 new Red River pools. The best yields of Red River production to date have been from dolomite reservoirs. Understanding the processes of dolomitization is, therefore, crucial for the prediction of the connectivity, spatial distribution and heterogeneity of dolomite reservoirs.The Red River reservoirs in the Midale area consist of 3~4 thin dolomitized zones, with a total thickness of about 20 m, which occur at the top of the Yeoman Formation. Two types of replacement dolomite were recognized in the Red River reservoir: dolomitized burrow infills and dolomitized host matrix. The spatial distribution of dolomite suggests that burrowing organisms played an important role in facilitating the fluid flow in the backfilled sediments. This resulted in penecontemporaneous dolomitization of burrow infills by normal seawater. The dolomite in the host matrix is interpreted as having occurred at shallow burial by evaporitic seawater during precipitation of Lake Almar anhydrite that immediately overlies the Yeoman Formation. However, the low δ18O values of dolomited burrow infills (-5.9‰~ -7.8‰, PDB) and matrix dolomites (-6.6‰~ -8.1‰, avg. -7.4‰ PDB) compared to the estimated values for the late Ordovician marine dolomite could be attributed to modification and alteration of dolomite at higher temperatures during deeper burial, which could also be responsible for its 87Sr/86Sr ratios (0.7084~0.7088) that are higher than suggested for the late Ordovician seawaters (0.7078~0.7080). The trace amounts of saddle dolomite cement in the Red River carbonates are probably related to "cannibalization" of earlier replacement dolomite during the chemical compaction.  相似文献   

14.
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。  相似文献   

15.
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.  相似文献   

16.
AcomputergeneratorforrandomlylayeredstructuresYUJia shun1,2,HEZhen hua2(1.TheInstituteofGeologicalandNuclearSciences,NewZealand;2.StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation,ChengduUniversityofTechnology,China)Abstract:Analgorithmisintrod…  相似文献   

17.
There are numerous geometric objects stored in the spatial databases. An importance function in a spatial database is that users can browse the geometric objects as a map efficiently. Thus the spatial database should display the geometric objects users concern about swiftly onto the display window. This process includes two operations:retrieve data from database and then draw them onto screen. Accordingly, to improve the efficiency, we should try to reduce time of both retrieving object and displaying them. The former can be achieved with the aid of spatial index such as R-tree, the latter require to simplify the objects. Simplification means that objects are shown with sufficient but not with unnecessary detail which depend on the scale of browse. So the major problem is how to retrieve data at different detail level efficiently. This paper introduces the implementation of a multi-scale index in the spatial database SISP (Spatial Information Shared Platform) which is generalized from R-tree. The difference between the generalization and the R-tree lies on two facets: One is that every node and geometric object in the generalization is assigned with a importance value which denote the importance of them, and every vertex in the objects are assigned with a importance value,too. The importance value can be use to decide which data should be retrieve from disk in a query. The other difference is that geometric objects in the generalization are divided into one or more sub-blocks, and vertexes are total ordered by their importance value. With the help of the generalized R-tree, one can easily retrieve data at different detail levels.Some experiments are performed on real-life data to evaluate the performance of solutions that separately use normal spatial index and multi-scale spatial index. The results show that the solution using multi-scale index in SISP is satisfying.  相似文献   

18.
In the 19th century the society was controlled by men, and women were just appendants of them, they had not any rights and freedom. But Jane was an exception, she showed some characteristics of early feminist. Jane showed her characteristics of feminism in three aspects: rebellion, equality, and independence. These characteristics were helpful to her success, and feminism is the only way out for women of that time.  相似文献   

19.
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-  相似文献   

20.
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-  相似文献   

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