• Bige Sayin, Ayberk Karaman, Sinan Balci, İlkay Akmangit, Ergun Daglioglu, and Anil Arat.
• Department of Interventional Radiology, Ankara Bilkent City Hospital, Ankara, Turkey.
• World Neurosurg. 2021 Oct 1; 154: e102-e108.

ObjectiveEndosaccular treatment is the backbone of endovascular treatment for acutely ruptured aneurysms. Stent-assisted coiling is a niche technique in this context. Data on X-stenting or Y-stenting (dual crossing stenting, DCS) in the acute phase after subarachnoid hemorrhage (aSAH) are scarce, and the impact of stent properties on the outcome is unknown. We retrospectively evaluated the clinical and imaging results of DCS in patients treated for aSAH.MethodsPatients with aSAH treated with DCS were evaluated retrospectively. Patient and procedural characteristics were evaluated to determine clinical outcomes, associated complications, and follow-up imaging findings.ResultsSixteen procedures (16 patients; 10 women, mean age 55.8) were performed within 3.2 ± 2.6 days (range 1-10 days) of aSAH. Only the latest generation of intracranial stents (dual Neuroform Atlas-12 cases, dual Leo Baby-2 cases, Neuroform Atlas with Acclino Flex, or Leo Baby-2 cases) were used. Technical success rate was 100%; however, 25% of the procedures were complicated, leading to adverse events in 3 procedures (18.8%; 2 stent thrombosis, 1aneurysm rupture). Procedure-related morbidity and mortality and overall permanent morbidity and mortality were 6.3%, none, 6.3%, and 12.5%, respectively. No additional neurologic events were noted on a mean clinical follow-up of 160 ± 156 (range: 1-540) days.ConclusionsOur findings and the patient-by-patient data we extracted from the literature suggest that DCS can be performed with new-generation, low-profile stents in aSAH if a definite procedural risk is acceptable for a specific patient. New-generation open-cell stent combinations appear as a viable choice for DCS in aSAH.Copyright © 2021 Elsevier Inc. All rights reserved.

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