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Intraoperative indocyanine green video-angiography as an aid to the microsurgical treatment of spinal vascular malformations

机译:术中吲哚菁绿视频血管造影有助于显微外科手术治疗脊柱血管畸形

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Aims and Objectives. Intra-operative Indocyanine Green (ICG) video-angiography (ICG-VA) has become an established aid to cerebrovascular surgery. We describe our experience using this technique to define angio-architecture intraoperatively in a range of spinal vascular malformations. Methods. A retrospective review of notes and imaging was carried out from a prospectively maintained database. Our series comprises 27 patients who underwent surgical treatment between September 2007 and August 2012. We carried out a retrospective review of data from a prospectively maintained database. Results. For slow-flow Type 1 fistulae the ICG videoangiogram demonstrated conclusively that the arteriovenous shunt was obliterated. This is a consideration on the rare occasions where a second fistula is present, an example of which is included in this series. ICG-VA also helps to demonstrate normal vascular anatomy and distinguish these vessels from pathology. For Type II lesions it allowed orientation to the vascular anatomy as demonstrated by the pre-operative angiogram. In one of two cases in this series it ensured to the complete extirpation of a large arteriovenous malformation (AVM). However a second Type II case demonstrated its limitations, as a diffuse intramedullary component could not be identified. Two cases were explored where digital subtraction spinal angiography was not possible and incomplete understanding of the angio-architectures of the lesions were available from Time Resolved dynamic magnetic resonance angiography and/or multi-detector CT angiography. ICG-VA provided invaluable information on alterations in arterio-venous flow that allowed diagnosis and obliteration of the arteriovenous shunts in each case. Discussion. ICG video-angiography is a time-efficient and safe alternative to intra-operative spinal angiography. It provided useful information on haemodynamic changes intraoperatively and completeness of treatment. We discuss its limitations and role in the management of these lesions.
机译:目的和目标。术中吲哚菁绿(ICG)视频血管造影术(ICG-VA)已成为脑血管外科手术的既定帮助。我们描述了我们使用这种技术在一系列脊柱血管畸形术中定义血管架构的经验。方法。从前瞻性维护的数据库进行了笔记和成像的回顾性审查。我们的系列包括27位在2007年9月至2012年8月之间接受手术治疗的患者。我们对前瞻性维护数据库中的数据进行了回顾性审查。结果。对于1型慢流量瘘管,ICG血管造影最终证明动静脉分流器被消除。这是在极少的情况下考虑的情况,在这种情况下,存在第二个瘘管,在本系列中包括一个例子。 ICG-VA还有助于证明正常的血管解剖结构并将这些血管与病理学区分开。对于II型病变,如术前血管造影所显示的,它允许朝向血管解剖结构。在本系列的两种情况之一中,它可以确保彻底清除大动静脉畸形(AVM)。但是,第二例II型病例证明了其局限性,因为无法确定弥散性髓内成分。探讨了两个病例,其中不可能进行数字减影脊柱血管造影术,并且可以通过时间分辨动态磁共振血管造影术和/或多探测器CT血管造影术获得对病变血管结构的不完全了解。 ICG-VA提供了有关动静脉流量变化的宝贵信息,这些信息可在每种情况下对动静脉分流器进行诊断和消除。讨论。 ICG视频血管造影术是术中脊柱血管造影术的一种省时又安全的替代方法。它提供了有关术中血流动力学变化和治疗完整性的有用信息。我们讨论了其在这些病变管理中的局限性和作用。

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