Use of the pRESET LITE thrombectomy device in combined approach for medium vessel occlusions: A multicenter evaluation.

Maud Wang,Hans Henkes,Sherief Ghozy,James E Siegler,Hamza Shaikh,Jane Khalife,Mohamad Abdalkader,Piers Klein,Thanh N Nguyen,Jeremy J Heit,Ahmad Sweid,Kareem El Naamani,Robert W Regenhardt,Jose Danilo Bengzon Diestro,Nicole M Cancelliere,Abdelaziz Amllay,Lukas Meyer,Anne Dusart,Flavio Bellante,Géraud Forestier,Aymeric Rouchaud,Suzana Saleme,Charbel Mounayer,Jens Fiehler,Anna Luisa Kühn,Ajit S Puri,Christian Dyzmann,Peter T Kan,Marco Colasurdo,Gaultier Marnat,Jérôme Berge,Xavier Barreau,Igor Sibon,Simona Nedelcu,Nils Henninger,Charlotte Weyland,Thomas R Marotta,Christopher J Stapleton,James D Rabinov,Takahiro Ota,Shogo Dofuku,Leonard Ll Yeo,Benjamin Y Q Tan,Juan Carlos Martinez-Gutierrez,Sergio Salazar-Marioni,Sunil Sheth,Leonardo Renieri,Carolina Capirossi,Ashkan Mowla,Stavropoula I Tjoumakaris,Pascal Jabbour,Priyank Khandelwal,Arundhati Biswas,Frédéric Clarençon,Mahmoud Elhorany,Kevin Premat,Iacopo Valente,Alessandro Pedicelli,João Pedro Filipe,Ricardo Varela,Miguel Quintero-Consuegra,Nestor R Gonzalez,Markus A Möhlenbruch,Jessica Jesser,Vincent Costalat,Adrien Ter Schiphorst,Vivek Yedavalli,Pablo Harker,Lina M Chervak,Yasmin Aziz,Benjamin Gory,Christian Paul Stracke,Constantin Hecker,Monika Killer-Oberpfalzer,Christoph J Griessenauer,Ajith J Thomas,Cheng-Yang Hsieh,David S Liebeskind,Răzvan Alexandru Radu,Andrea M Alexandre,Illario Tancredi,Tobias D Faizy,Aman B Patel,Vitor Mendes Pereira,Robert Fahed,Boris Lubicz,Adam A Dmytriw,Adrien Guenego, M.A.D.-M.T. Consortium

Neuroradiology(2024)

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摘要
PURPOSE:Our purpose was to assess the efficacy and safety of the pRESET LITE stent retriever (Phenox, Bochum, Germany), designed for medium vessel occlusion (MeVO) in acute ischemic stroke (AIS) patients with a primary MeVO. METHODS:We performed a retrospective analysis of the MAD MT Consortium, an integration of prospectively maintained databases at 37 academic institutions in Europe, North America, and Asia, of AIS patients who underwent mechanical thrombectomy with the pRESET LITE stent retriever for a primary MeVO. We subcategorized occlusions into proximal MeVOs (segments A1, M2, and P1) vs. distal MeVOs/DMVO (segments A2, M3-M4, and P2). We reviewed patient and procedural characteristics, as well as angiographic and clinical outcomes. RESULTS:Between September 2016 and December 2021, 227 patients were included (50% female, median age 78 [65-84] years), of whom 161 (71%) suffered proximal MeVO and 66 (29%) distal MeVO. Using a combined approach in 96% of cases, successful reperfusion of the target vessel (mTICI 2b/2c/3) was attained in 85% of proximal MeVO and 97% of DMVO, with a median of 2 passes (IQR: 1-3) overall. Periprocedural complications rate was 7%. Control CT at day 1 post-MT revealed a hemorrhagic transformation in 63 (39%) patients with proximal MeVO and 24 (36%) patients with DMVO, with ECASS-PH type hemorrhagic transformations occurring in 3 (1%) patients. After 3 months, 58% of all MeVO and 63% of DMVO patients demonstrated a favorable outcome (mRS 0-2). CONCLUSION:Mechanical thrombectomy using the pRESET LITE in a combined approach with an aspiration catheter appears effective for primary medium vessel occlusions across several centers and physicians.
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