First multicenter experience using the Silk Vista flow diverter in 60 consecutive intracranial aneurysms: technical aspects

Martínez‐Galdámez, Mario; Onal, Yilmaz; Cohen, José E.; Kalousek, Vladimir; Rivera, Rodrigo; Sordo, Juan Gabriel; Echeverría, Daniel; Pereira, Vítor Mendes; Blasco, Jordi; Mardighian, Dikran; Velioglu, Murat; Adel, Brian van; Wang, Bill; Gomori, John M.; Filioglo, Andrei; Čulo, Branimir; Lynch, Jeremy; Binboga, Ali Burak; Onay, Mehmet; Fernández, Jorge Galván; Arteaga, Miguel Schüller; Guio, José David; Bhogal, Pervinder; Makalanda, Hegoda Levansri Dilrukshan; Wong, Ken; Gentric, Jean-Christophe; Gavrilovic, Vladimir; Navía, Pedro; Prieto, Amador; González, Eva; Aldea, Jesús; López, J.; Lorenzo-Gorriz, Antonio; Madelrieux, Thomas; Rouchaud, Aymeric; Mounayer, Charbel

doi:10.1136/neurintsurg-2021-017421

Cited by 14 publications

(8 citation statements)

References 27 publications

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“…To date, no published short-term aneurysm occlusion or clinical outcome data exist with regard to the SV systems. Recently, Martínez-Galdámez et al (26) described the first experience assessing, in a retrospective revision, the technical success and procedural safety in the management of a consecutive succession of 57 patients with 60 brain aneurysms between September 2020 and January 2021. In a prospective study, we report our experience assessing both the procedural safety of the system and its effectiveness in a clinical and radiological followup at short-term (3-5 months) in a case series of patients treated with SV system.…”

Section: Discussionmentioning

confidence: 99%

Treatment of Intracranial Aneurysms Using the New Silk Vista Flow Diverter: Safety Outcomes at Short-Term Follow-Up

Pumar

Mosqueira

Olier³

et al. 2021

Front. Neurol.

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Background: Flow diverters are widely used as the first endovascular treatment option for complex brain aneurysms due to their high percentage of occlusion and low morbi-mortality. The Silk Vista device is a new generation of flow diverters designed to facilitate full visibility, improve apposition to the vessel wall, and enhance navigability. Indeed, its greatest advantage is that it enables the easier navigation of stents between 3.5 and 4.75 mm through a 0.021 microcatheter. The objective of this study was to evaluate the safety and effectiveness of Silk Vista systems for treating cerebral aneurysms.Methods: This prospective observational study included 25 consecutive patients with 27 wide-necked unruptured aneurysms treated with SILK Vista who were retrospectively analyzed for safety and efficacy.Results: Endovascular treatment was successfully performed in all patients. The final morbidity and mortality rates were both 0.0%. Short-term (3–5 months) angiographic follow-up revealed 21 complete occlusions and 6 near-complete occlusions. No significant parent artery stenosis was observed.Conclusions: This report demonstrates the efficacy of Silk Vista in treating brain aneurysms, although longer experiences should be carried out to confirm our results.

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Section: Discussionmentioning

confidence: 99%

Treatment of Intracranial Aneurysms Using the New Silk Vista Flow Diverter: Safety Outcomes at Short-Term Follow-Up

Pumar

Mosqueira

Olier³

et al. 2021

Front. Neurol.

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“…In our experience, SVM low profile and design allowed an easier navigability, even in tortuous anatomy demonstrated by the safety in reaching straightforward the target vessel in all the treated patients. Compared with the previous generation of Silk FDs, the SVM has also higher radial force [ 8 ], and we observed a complete wall apposition immediately after stent deployment in 46/48 procedures (96%). This result is in line and even slightly superior to previous early experiences with the new generation of Silk Vista reported by Martinez-Galdámez [ 8 ] and Pumar [ 9 ] (92%, respectively).…”

Section: Discussionmentioning

confidence: 61%

Midterm follow-up after embolization of intracranial aneurysms proximal to the circle of Willis with the Silk Vista flow diverter: the I-MAMA registry

Da Ros,

Sabuzi,

D’Argento

et al. 2024

Neuroradiology

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Purpose The aim of this registry was to assess technical success, procedural safety and mid- to long-term follow-up results of the Silk Vista “Mama” (SVM) flow diverter (BALT, Montmorency, France) for the treatment of proximal intracranial aneurysms. Methods Between August 2020 and March 2022, data from nine Italian neurovascular centres were collected. Data included patients’ clinical presentation, aneurysms’ size, location and status, technical details, overall complications and mid- to long-term angiographic follow-up. Results Forty-eight aneurysms in 48 patients were treated using the SVM. Most aneurysms were small (≤ 10 mm: no. 29, 60%) and unruptured (no. 31, 65%); 13 aneurysms were recurrent after coiling or clipping. 37/48 aneurysms involved the internal carotid artery (77%). Optimal opening and complete wall apposition of the device were achieved in 46 out of 48 cases (96%). Four intra- or periprocedural complications occurred (two thrombotic complications successfully resolved, one cerebellar ischemia, one perirenal hematoma), without new neurological deficit. No significant intra-stent stenosis or stent displacement was observed during follow-up. No FD-related morbidity nor mortality was reported. At midterm (6–12 months) to long-term (> 12 months) follow-up, complete aneurysm occlusion (OKM D) was achieved in 76% of cases. Eighty-eight percent of patients had complete aneurysm occlusion or entry remnant (OKM D + C). Conclusions Our experience suggests that the new generation of low-profile SVM flow diverter for the treatment of proximal intracranial aneurysms is safe and effective, with low rates of intraprocedural complications and acceptable mid- to long-term occlusion rate.

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“…The Silk Vista Baby FDS is a braided stent made up of 48 drawn filled tubes which are platinum-filled nitinol tubes. Nitinol stents have less radial strength compared with their cobalt-chromium counterparts 8. Also, the Silk Vista Baby is a low profile FDS and its radial force is five times less than Silk Vista 8.…”

Section: Discussionmentioning

confidence: 99%

“…Nitinol stents have less radial strength compared with their cobalt-chromium counterparts 8. Also, the Silk Vista Baby is a low profile FDS and its radial force is five times less than Silk Vista 8. FDS made of a cobalt-chromium alloy could have behaved differently due to its higher radial force.…”

Section: Discussionmentioning

confidence: 99%

Delayed collapse of flow diverter due to acute severe vasospasm: another concern for flow diversion in ruptured aneurysms

Kumar

Choudhary

Prabhakar

et al. 2022

J NeuroIntervent Surg

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In vivo morphological change of flow diverter stents (FDS) is a known phenomenon and can be seen secondary to various device- and vasculature-related factors such as improper sizing of the device, twisting of the device in tortuous anatomy, insufficient proximal landing zone, and insufficient chronic resistive force of the stent, etc. However, we have encountered a case where severe vasospasm due to aneurysmal subarachnoid hemorrhage led to the collapse of the proximal end of the FDS. Development of vasospasm and consequent possible failure of the device should be taken into consideration when planning flow diversion in ruptured aneurysms.

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First multicenter experience using the Silk Vista flow diverter in 60 consecutive intracranial aneurysms: technical aspects

Cited by 14 publications

References 27 publications

Treatment of Intracranial Aneurysms Using the New Silk Vista Flow Diverter: Safety Outcomes at Short-Term Follow-Up

Treatment of Intracranial Aneurysms Using the New Silk Vista Flow Diverter: Safety Outcomes at Short-Term Follow-Up

Midterm follow-up after embolization of intracranial aneurysms proximal to the circle of Willis with the Silk Vista flow diverter: the I-MAMA registry

Delayed collapse of flow diverter due to acute severe vasospasm: another concern for flow diversion in ruptured aneurysms

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