Ido Strauss1, Shimon Maimon2. 1. Department of Neurosurgery, Tel Aviv Sourasky Medical Center, Tel Aviv University, 6 Weizmann Street, Tel Aviv, 64239, Israel. 2. Department of Neurosurgery, Tel Aviv Sourasky Medical Center, Tel Aviv University, 6 Weizmann Street, Tel Aviv, 64239, Israel. maimonsm50@gmail.com.
Abstract
BACKGROUND: Flow diverters are used to treat complex aneurysms that are not amenable to coiling. The aim of the present work was to retrospectively evaluate our experience with the Silk flow diverter. Technical nuances and complications are specifically discussed. METHODS: Retrospectively data was collected on patients treated with Silk between October 2008 and October 2013. RESULTS: Sixty patients harboring 67 aneurysms were treated using the Silk. Fifteen aneurysms were located in the posterior circulation and 52 in the anterior. A good angiographic result was achieved in 88 % (53/60) of the aneurysms available for imaging follow-up. There were ten treatment-related complications, 80 % were ischemic. Risk of complications increased with aneurysm size and in aneurysms of the posterior circulation. CONCLUSIONS: Silk flow diverters are a good treatment option for aneurysms of the anterior circulation. Additional stents may be required in specific cases due to the Silk's low radial resistance. Treatment of giant fusiform aneurysms of the posterior circulation with Silk flow diverters is associated with a high rate of severe complications.
BACKGROUND: Flow diverters are used to treat complex aneurysms that are not amenable to coiling. The aim of the present work was to retrospectively evaluate our experience with the Silk flow diverter. Technical nuances and complications are specifically discussed. METHODS: Retrospectively data was collected on patients treated with Silk between October 2008 and October 2013. RESULTS: Sixty patients harboring 67 aneurysms were treated using the Silk. Fifteen aneurysms were located in the posterior circulation and 52 in the anterior. A good angiographic result was achieved in 88 % (53/60) of the aneurysms available for imaging follow-up. There were ten treatment-related complications, 80 % were ischemic. Risk of complications increased with aneurysm size and in aneurysms of the posterior circulation. CONCLUSIONS: Silk flow diverters are a good treatment option for aneurysms of the anterior circulation. Additional stents may be required in specific cases due to the Silk's low radial resistance. Treatment of giant fusiform aneurysms of the posterior circulation with Silk flow diverters is associated with a high rate of severe complications.
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