Alexander Sirakov1, Pervinder Bhogal2, Markus Möhlenbruch3, Stanimir Sirakov1. 1. Radiology Department, University Hospital Saint Ivan Rilski, Bulgaria. 2. Interventional Neuroradiology Department, The Royal London Hospital, UK. 3. Neuroradiology Department, Heidelberg University Hospital, Germany.
Abstract
BACKGROUND AND PURPOSE: Low-profile self-expandable stents have increased the number of intracranial aneurysms treated by endovascular means. The new low-profile visible intraluminal support device LVIS EVO (Microvention), the successor of LVIS Jr, is a self-expandable and retrievable microstent system, designed for implantation into intracranial arteries with a diameter up to 2.0 mm. In this retrospective study we aimed to elucidate the technical feasibility and clinical safety of the novel LVIS EVO stent for stent-assisted coil embolisation of intracranial aneurysms. MATERIALS AND METHODS: A single centre technical report of the first six consecutive cases of stent-assisted coil embolisation with the novel LVIS EVO stent for the treatment of unruptured or recanalised intracranial aneurysms. Records were made of basic demographics, aneurysmal characteristics, device properties and related technical details, adverse events, clinical outcomes and occlusion rates on available radiological follow-up. RESULTS: Six LVIS EVO devices were successfully implanted in all subjects to treat a total number of six intracranial aneurysms. No device-related intraprocedural complications were seen. At early clinical follow-up six out of six (100%) patients had a modified Ranking score of 0-1. Early angiographic and cross-sectional radiological follow-up, available in five out of six (83.3%) of the patients confirmed unchanged aneurysmal occlusion rates. A minor, transitory neurological deficit was recorded in one of the six (16.6%) patients. Mortality was 0%. CONCLUSIONS: Preliminary experience in this subset of our patients confirms a notably improved technical behaviour of the novel LVIS EVO stent system when compared to its ancestor LVIS Jr. The enhanced visibility of the stent and the refined delivery/retrieval capabilities of the stent further increase the safety margins of the devices profile, especially in cases of tortuous anatomy.
BACKGROUND AND PURPOSE: Low-profile self-expandable stents have increased the number of intracranial aneurysms treated by endovascular means. The new low-profile visible intraluminal support device LVIS EVO (Microvention), the successor of LVIS Jr, is a self-expandable and retrievable microstent system, designed for implantation into intracranial arteries with a diameter up to 2.0 mm. In this retrospective study we aimed to elucidate the technical feasibility and clinical safety of the novel LVIS EVO stent for stent-assisted coil embolisation of intracranial aneurysms. MATERIALS AND METHODS: A single centre technical report of the first six consecutive cases of stent-assisted coil embolisation with the novel LVIS EVO stent for the treatment of unruptured or recanalised intracranial aneurysms. Records were made of basic demographics, aneurysmal characteristics, device properties and related technical details, adverse events, clinical outcomes and occlusion rates on available radiological follow-up. RESULTS: Six LVIS EVO devices were successfully implanted in all subjects to treat a total number of six intracranial aneurysms. No device-related intraprocedural complications were seen. At early clinical follow-up six out of six (100%) patients had a modified Ranking score of 0-1. Early angiographic and cross-sectional radiological follow-up, available in five out of six (83.3%) of the patients confirmed unchanged aneurysmal occlusion rates. A minor, transitory neurological deficit was recorded in one of the six (16.6%) patients. Mortality was 0%. CONCLUSIONS: Preliminary experience in this subset of our patients confirms a notably improved technical behaviour of the novel LVIS EVO stent system when compared to its ancestor LVIS Jr. The enhanced visibility of the stent and the refined delivery/retrieval capabilities of the stent further increase the safety margins of the devices profile, especially in cases of tortuous anatomy.
Authors: F Cagnazzo; N Limbucci; S Nappini; L Renieri; A Rosi; A Laiso; D Tiziano di Carlo; P Perrini; S Mangiafico Journal: AJNR Am J Neuroradiol Date: 2018-12-06 Impact factor: 3.825
Authors: J A Grossberg; R A Hanel; G Dabus; K Keigher; D C Haussen; E Sauvageau; I Linfante; D Gonsales; P Aguilar Salinas; M Bouslama; M Mayich; R G Nogueira; D K Lopes Journal: J Neurointerv Surg Date: 2016-10-27 Impact factor: 5.836
Authors: Brian T Jankowitz; Osama O Zaidat; Ricardo Hanel; Ashutosh P Jadhav; David N Loy; Donald Frei; Adnan H Siddiqui; Ajit S Puri; Ahmad Khaldi; Aquilla S Turk; Adel M Malek; Eric Sauvageau; Steven W Hetts Journal: J Neurointerv Surg Date: 2019-01-22 Impact factor: 5.836