Effectiveness and safety of mechanical thrombectomy in mild stroke due to large-vessel occlusion: insights from the ASSIST registry
Background and purpose: Mechanical thrombectomy (MT) is effective for acute ischemic stroke, yet its indication in mild stroke remains unclear. This study evaluates the effectiveness and safety of MT in patients with low NIHSS scores and assesses the impact of different MT strategies on procedural s...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
June 3, 2025
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| In: |
American journal of neuroradiology
Year: 2025, Jahrgang: 46, Heft: 6, Pages: 1130-1136 |
| ISSN: | 1936-959X |
| DOI: | 10.3174/ajnr.A8613 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.3174/ajnr.A8613 Verlag, kostenfrei, Volltext: https://www.ajnr.org/content/46/6/1130 
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| Verfasserangaben: | Sophia Hohenstatt, Dominik F. Vollherbst, Salvador Miralbés, Bharath Naravetla, Alejandro Spiotta, Christian Loehr, Mario Martínez-Galdámez, Ryan McTaggart, Luc Defreyne, Pedro Vega, Osama O. Zaidat, Paul Jenkins, Sergio Lucio Vinci, David S. Liebeskind, Rishi Gupta, Markus A. Möhlenbruch, and Agostino Tessitore |
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| 245 | 1 | 0 | |a Effectiveness and safety of mechanical thrombectomy in mild stroke due to large-vessel occlusion |b insights from the ASSIST registry |c Sophia Hohenstatt, Dominik F. Vollherbst, Salvador Miralbés, Bharath Naravetla, Alejandro Spiotta, Christian Loehr, Mario Martínez-Galdámez, Ryan McTaggart, Luc Defreyne, Pedro Vega, Osama O. Zaidat, Paul Jenkins, Sergio Lucio Vinci, David S. Liebeskind, Rishi Gupta, Markus A. Möhlenbruch, and Agostino Tessitore |
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| 520 | |a Background and purpose: Mechanical thrombectomy (MT) is effective for acute ischemic stroke, yet its indication in mild stroke remains unclear. This study evaluates the effectiveness and safety of MT in patients with low NIHSS scores and assesses the impact of different MT strategies on procedural success and clinical outcomes. Material and methods: Data from the ASSIST Registry were analyzed. We categorized patients with large-vessel occlusion of the anterior circulation into mild (NIHSS #5) and moderate-severe (NIHSS .5) stroke groups. Baseline characteristics, procedural parameters, angiographic and imaging outcomes, clinical outcomes, and safety end points were compared. Within the mild stroke subgroup, outcomes were compared between different MT techniques. Results: Among 1360 patients with large-vessel occlusion, 122 had minor ischemic strokes (9%). Patients with mild stroke had high rates of excellent functional outcomes (mRS 0–1) at 90 days (77.1%) and functional independence (mRS 0–2) (85.7%). Procedural success rates were similar between NIHSS groups, while safety outcomes, except mortality, were comparable. No statistically significant differences were observed in treatment techniques within the mild stroke subgroup. Significant predictors of early neurologic deterioration (END) in patients with mild stroke were the total number of passes (OR, 1.49; 95% CI, 1.01–2.19; P ¼ .04) and total procedural time (OR, 1.02; 95% CI, 1.01–1.04; P ¼ .01). Patients with END were more likely to have an unfavorable functional outcome (mRS 3–6) at 90 days (89% versus 6%, P , .001). | ||
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