食道胃底静脉曲张课件整理

多排螺旋CT门静脉成像Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL多排螺旋CT门静脉成像1多排螺旋CT门静脉成像DUGUOQUANABD1355802003-6-19101M20KV[RA339967987ST:53.5mm512x512C150EDICALSYSTEMSW270LightSpeedUltraEvaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL多排螺旋CT门静脉成像2癱胃底静脉曲张为肝硬化门静脉高压的常见并发症,可引起上消化道出血而导致严重后果,且其治疗后易发生再出血。GV及其侧支循环的形态学研究对患者病情的评估、诊断、治疗及预后均有重要意义。Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL癱胃底静脉曲张为肝硬化门静脉高压的常3门静脉造影直接或间接门静脉造影曾一度被认为是对曲张胃底静脉及其侧支循环的观察的金标准Evaluadononly.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL门静脉造影4门静脉造影癱可清晰显示曲张胃底静脉及其侧支循环的形态学、与胃脾/肾静脉分流的关系、门静脉及其分属支的血流动力学特点,并对其特点进行分型研究。为有创性、有较多的禁忌症及合并症,应用受到限制Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL门静脉造影5门静脉造影蠊Fumiochikamori对食管和胃静脉曲张患者的内镜和直接门静脉造影结果进行对比研究,发现门一奇静脉系统与食管贲门区的静脉曲张,门一膈静脉系统与孤立胃底静脉曲张的形成均有相关性Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL门静脉造影6E∪S超声内镜(EUS)被认为是目前诊断粘膜下胃底静脉曲张的最有效方法。准确区分粘膜皱襞与曲张血管。区分位于粘膜下和胃底周围的静脉曲张,而粘膜下静脉曲张是出血的主要原因可直视胃壁各层,有利于了解GV的情况°+Evaluationonr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyLE∪S7E∪S癱EUS可显示胃底静脉曲张侧支循环的血流动力学变化,为临床提供详尽的资料EUS需要特殊的设备和技术要求它是一种侵入性检査方法,因而使普遍使用受到限制,不能被广泛推广使用癱另外它与操作者技术关系很大Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyLE∪S8MRA磁共振血管成像magneticresonanceangiography,MRA)是近年来发展起来的一种无损伤性血管成像技术。ParkCH,ChunHJ,JeongRs报道,应用MRA的动态増强扫描(DCE-MRA)可清晰显示胃左静脉、胃短静脉、脾肾及胃肾静脉分流;DCE-MRA亦显示了胃静脉曲张的部位与侧支循环血供特点的关系Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyLMRA9MRA动态增强MRA可以评价胃静脉曲张及其侧支循环的分布范围及程度可定量分析血流速度,定向分析门静脉血流分析,但对磁共振设备的要求较高较难准确把握扫描延迟时间及对比剂注射速率空间分辨率较低Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyLMRA10食道胃底静脉曲张课件整理11食道胃底静脉曲张课件整理12食道胃底静脉曲张课件整理13食道胃底静脉曲张课件整理14食道胃底静脉曲张课件整理15食道胃底静脉曲张课件整理16食道胃底静脉曲张课件整理17食道胃底静脉曲张课件整理18食道胃底静脉曲张课件整理19食道胃底静脉曲张课件整理20食道胃底静脉曲张课件整理21食道胃底静脉曲张课件整理22食道胃底静脉曲张课件整理23食道胃底静脉曲张课件整理24食道胃底静脉曲张课件整理25食道胃底静脉曲张课件整理26食道胃底静脉曲张课件整理27食道胃底静脉曲张课件整理28食道胃底静脉曲张课件整理29食道胃底静脉曲张课件整理30食道胃底静脉曲张课件整理31食道胃底静脉曲张课件整理32食道胃底静脉曲张课件整理33食道胃底静脉曲张课件整理34食道胃底静脉曲张课件整理35食道胃底静脉曲张课件整理36食道胃底静脉曲张课件整理37食道胃底静脉曲张课件整理38食道胃底静脉曲张课件整理39食道胃底静脉曲张课件整理40食道胃底静脉曲张课件整理41食道胃底静脉曲张课件整理42食道胃底静脉曲张课件整理43食道胃底静脉曲张课件整理44食道胃底静脉曲张