硬脑膜动静脉瘘的介入诊断及治疗.ppt
海绵窦DAVF经静脉途径是首选的治愈性的方法经岩下窦入路(闭塞时亦可通过)经眼上静脉入路 其它入路:岩上窦、对侧海绵窦、基底静脉丛 第28页,共55页,星期六,2024年,5月SpontaneousregressionofacavernoussinusDAVFT2WIimageshowsmultipleflowvoidsintheposteriorcavernoussinusLeftECAangiogramshowsacavernoussinusduralAVFwithposteriordrainageintotheinferiorandsuperiorpetrosalsinusesFollow-upMRimageshowsresolutionoftheflowvoidsL-ECA第29页,共55页,星期六,2024年,5月LeftECAangiogramshowsacavernoussinusDAVFdrainingmainlyintotheinferiorpetrosalsinusandpterygopharyngealplexusFollow-upangiogramobtained3monthslatershowsthattheinferiorpetrosalsinusisoccluded,andtheduralAVFnowdrainsintothesuperiorophthalmicveinandthesuperficialmiddlecerebralvein.Althoughthepatient’ssymptomswereunchanged,occlusionoftheDAVFwasindicatedTVEofDAVFviaanoccludedinferiorpetrosalsinusL第30页,共55页,星期六,2024年,5月SuperselectivevenogramshowsthatthetipofthemicrocatheterhasbeenintroducedintotheoutletstothesuperiorophthalmicveinLeftCCAangiogramobtainedafterTVEshowscompleteocclusionoftheDAVFTVEofDAVFviaanoccludedinferiorpetrosalsinus第31页,共55页,星期六,2024年,5月横窦-乙状窦DAVF放疗+TAE-微粒第32页,共55页,星期六,2024年,5月横窦-乙状窦DAVFTVE(可先栓塞供血动脉)放疗+TAE-微粒支架植入+TAE-微粒+放疗TVE避免栓塞正常皮层静脉引流系统第33页,共55页,星期六,2024年,5月横窦-乙状窦DAVFTVE(可先栓塞供血动脉)支架植入受累静脉窦及返流皮层静脉近端必须致密栓塞,以防再通致脑出血第34页,共55页,星期六,2024年,5月横窦-乙状窦DAVFTVE(手术入路、经闭塞静脉窦入路、经皮层静脉入路)TAE-NBCA手术切除(可先栓塞供血动脉)操作难度大,要求技术高第35页,共55页,星期六,2024年,5月ThelateralleftECAangiogramshowsaDAVFofthetransversesinuswithCVRandocclusionoftheipsilateralsigmoidsinus.Atransvenousapproachviathecontralateraltransversesinusallowedselectivecatheterizationofaparallelchannel.VenographyinthisparallelchannelshowstheveinsthatweredrainingthefistulaConversionofanaggressiveDAVFtoabenign(G3)第36页,共55页,星期六,2024年,5月Thisparallelchannel