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Embolus Retriever with Interlinked Cages (ERIC) versus conventional stent retrievers for thrombectomy: a propensity score-based analysis

Abstract : Background The Embolus Retriever with Interlinked Cages (ERIC) is one of the latest devices for thrombectomies. It has several architectural features that are supposed to enhance its ability to remove clots and prevent distal emboli. We aimed to compare ERIC with standard stent retrievers (SRs) using propensity score (PS) matching. Methods The clinical and radiological data of all consecutive patients treated with ERIC or standard FDA-approved stent retrievers were collected from a prospective multicenter registry. We compared procedural outcomes (recanalization rates according to the modified Thrombolysis In Cerebral Infarction (mTICI) score and procedural complications) and clinical outcomes (modified Rankin Scale (mRS) and mortality at 3 months). Matching of the populations with PS was performed to account for differences in baseline characteristics. Results A total of 1230 patients were included. In both the PS-matched cohort (195 ERIC patients, 630 SR patients) and the inverse probability of treatment weighting PS-adjusted cohort (206 ERIC patients, 1024 SR patients) there was no difference in terms of successful recanalization (modified TICI score ≥2b), good clinical outcome (mRS=0–2 or equal to pre-stroke mRS), or mortality at 3 months. Patients treated with first-line ERIC had a higher rate of complete recanalization (mTICI 3); however, they also required more passes and more frequent rescue therapy than the SR patient group. Conclusion In a large multicenter registry with PS matching, the ERIC device provided equivalent angiographic and clinical results to conventional SRs. Clinical trial registration URL: http://www.clinicaltrials.gov Unique identifier: NCT03776877 .
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https://hal.univ-lorraine.fr/hal-03268995
Contributor : Juliette Birker <>
Submitted on : Wednesday, June 23, 2021 - 3:59:17 PM
Last modification on : Sunday, September 19, 2021 - 3:14:06 AM

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Célina Ducroux, Nicolas Renaud, Romain Bourcier, Gaultier Marnat, Igor Sibon, et al.. Embolus Retriever with Interlinked Cages (ERIC) versus conventional stent retrievers for thrombectomy: a propensity score-based analysis. Journal of Neurointerventional Surgery, BMJ Journals, 2021, 13 (3), pp.255-260. ⟨10.1136/neurintsurg-2020-016289⟩. ⟨hal-03268995⟩

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