Anterior Communicating Artery Aneurysm: Multilobulated Aneurysm with SAH, Treatment with a Single WEB SL Device
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A 58-year-old male patient presented with acute coma due to a subarachnoid hemorrhage (SAH) from a multilobulated aneurysm of the anterior communicating artery (AcomA), located at the bifurcation of a truncular left A1-variant (aplasia of the right A1 segment). Access was difficult due to severe elongation of the common and internal carotid artery (CCA, ICA). Therefore, a combination of Neuron MAX and an intermediate catheter was necessary. WEB was chosen in order to avoid the need for balloon or stent remodeling in the acute phase after SAH. This case illustrates several challenges: (1) using a combination of two flexible access catheters to overcome the elongation of both the CCA and ICA; (2) using rotational DSA with 3D reconstruction to better understand the anatomy of a multilobulated aneurysm and being able to use this information to implement a treatment option which had at first been rejected, namely, applying an intrasaccular flow disruptor; (3) and using the information derived from the 3D angiography to find a suitable working projection without needing direct visualization of the aneurysm neck. The effectiveness of the WEB is evident in this case since the aneurysm perfusion stopped completely even before the WEB had been detached. Using a single intrasaccular device to treat a complex saccular aneurysm by sizing it to the central compartment is the main topic of this report.
KeywordsAcomA aneurysm Saccular aneurysm WEB Flow disruption 3D DSA
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