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Multimodality Vessel Modeling Analysis for Cerebral Arteriovenous Malformation

机译:脑动静脉畸形的多模态血管建模分析

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Cerebral arteriovenous malformations (AVMs) are a type of vascular anomaly consisting of large intertwined vascular growth (Nidus) that is prone to serious hemorrhaging and can result in patient death if left untreated. Intervention through surgical clipping of feeding and draining vessels to the Nidus is a common treatment. However, identification of which vessels to clip is challenging even to experienced surgeons aided by conventional image guidance systems. The lumped modeling for the Cerebral Arteriovenous Malformation (CAVM) hemodynamic analysis is of high importance in clinical world. As part of the treatment planning for CAVM, it is difficult for doctors to assess the NIDUS part, which may get rupture while inserting catheter. In this paper, we have proposed a non-invasive method for assessing the hemodynamic condition of AVM. The measurement of flow and pressure without intervention along the vessel is a big challenge due to occlusion, bending and thinning of the vessel in Arteriovenous Malformation patients. In this paper, we analyzed a lumped model for the vascular malformation using various imaging multi-modalities that help to analyze CAVM Structures.
机译:脑动静脉畸形(AVM)是一种由大量相互缠绕的血管生长(Nidus)组成的血管异常,容易发生严重的出血,如果不及时治疗可能导致患者死亡。通过外科手术剪断Nidus的进出血管的干预是一种常见的治疗方法。然而,即使对于有经验的外科医生,在常规图像引导系统的辅助下,识别要夹紧的血管也是一个挑战。脑动静脉畸形(CAVM)血流动力学分析的集总模型在临床领域非常重要。作为CAVM治疗计划的一部分,医生很难评估NIDUS部分,该部分可能会在插入导管时破裂。在本文中,我们提出了一种非侵入性的方法来评估AVM的血液动力学状况。由于动静脉畸形患者血管的阻塞,弯曲和变薄,在没有沿血管介入的情况下测量流量和压力是一个巨大的挑战。在本文中,我们使用各种有助于分析CAVM结构的成像多模态分析了血管畸形的集总模型。

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