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Soize, S; Eymard, J-B; Cheikh-Rouhou, S; Manceau, P-F; Gelmini, C; Sahnoun, M; Gawlitza, M; Zuber, M; Pierot, L; Touzé, E
American journal of neuroradiology, 04/2021, Letnik: 42, Številka: 4Journal Article
In acute ischemic stroke, the negative susceptibility vessel sign on T2*-weighted images traditionally highlights fibrin-rich clots, which are particularly challenging to remove. In vitro, fast stent retrieval improves fibrin-rich clot extraction. We aimed to evaluate whether the speed of stent retrieval influences the recanalization and clinical outcome of patients presenting with the negative susceptibility vessel sign. Patients were identified from a registry of patients with ischemic stroke receiving mechanical thrombectomy between January 2016 and January 2020. Inclusion criteria were the following: 1) acute ischemic stroke caused by an isolated occlusion of the anterior circulation involving the MCA (Internal Carotid Artery-L, M1, M2) within 8 hours of symptom onset; 2) a negative susceptibility vessel sign on prethrombectomy T2*-weighted images; and 3) treatment with a combined technique (stent retriever + contact aspiration). Patients were dichotomized according to retrieval speed (fast versus slow). The primary outcome was the first-pass recanalization rate. Of 68 patients who met inclusion criteria, 31 (45.6%) were treated with fast retrieval. Patients receiving a fast retrieval had greater odds of first-pass complete (relative risk and 95% confidence interval RR 95% CI, 4.30 1.80-10.24), near-complete (RR 95% CI, 3.24 1.57-6.68), and successful (RR 95% CI, 2.60 1.53-4.43) recanalization as well as greater odds of final complete (RR 95% CI, 4.18 1.93-9.04), near-complete (RR 95% CI, 2.75 1.55-4.85), and successful (RR 95% CI, 1.52 1.14-2.03) recanalization. No significant statistical differences in procedure-related serious adverse events, distal embolization, or symptomatic intracranial hemorrhage were reported. No differences were noted in terms of functional independence (RR 95% CI, 1.01 0.53-1.93) and all-cause mortality (RR 95% CI, 0.90 0.35-2.30) at 90 days. A fast stent retrieval during mechanical thrombectomy is safe and improves the retrieval of clots with the negative susceptibility vessel sign.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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