The use of flow diverters to treat small (≤5 mm) ruptured, saccular aneurysms.

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The use of flow diverters to treat small (≤5 mm) ruptured, saccular aneurysms.

Surg Neurol Int. 2018;9:216

Authors: Bhogal P, Henkes E, Schob S, AlMatter M, Hellstern V, Bäzner H, Ganslandt O, Henkes H, Pérez MA

Abstract
Background: There is limited published literature on the use of flow diverting stents (FDS) to treat ruptured intracranial aneurysms in the acute stage. We present our experience of using FDS to treat small (≤5 mm) ruptured aneurysms.
Methods: We retrospectively identified all patients with ≤5 mm ruptured aneurysms treated exclusively with FDS between February 2009 and February 2016. We recorded demographic data, the Hunt and Hess score, aneurysm location and size, therapeutic intervention, immediate angiographic and clinical result, and clinical and radiological follow-up information.
Results: We identified seven patients (four females) with average age 59.8 ± 10 years (range 48-75). The average aneurysm fundus size was 2.7 ± 0.76 mm (range 1-4 mm). The average time from ictus to treatment was 6.3 days (range 1-14 days) and there were no cases of repeat rupture prior to treatment or intraoperative rupture. Angiographic follow-up was available in five patients. At initial follow-up, aneurysms (100%) were completely occluded raymond roy classification 1 (RRC 1). None of the aneurysms re-ruptured following treatment. Clinically, six patients were discharged with good functional outcome modified Rankin Score (mRS ≤2). There were no mortalities.
Conclusion: The use of FDS to treat small, ruptured, saccular aneurysms is feasible; however, the use of FDS should not be considered first-line treatment. Further studies are required to determine the safety and efficacy of the use of FDS in the acute situation.

PMID: 30505618 [PubMed]

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