Observational studyStroke and vascular neurology2026
Predictors of futile recanalisation in patients with large infarct: a post-hoc analysis of the ANGEL-ASPECT trial.
Observational study in Stroke and vascular neurology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Futile recanalization after mechanical thrombectomy in patients with acute ischemic stroke and large ischemic core.Journal of cerebrovascular and endovascular neurosurgery · 2026Article
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11 authors.
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Abstract
backgroundStudies on futile recanalisation after endovascular therapy (EVT) for anterior circulation large vessel occlusion with large infarct were scarce. The present study aimed to explore the incidence and independent predictors of futile recanalisation in patients with large infarct.
methodsThis is a post-hoc analysis of the ANGEL-Alberta Stroke Program Early CT (ASPECT) trial. A favourable outcome was defined as a 90-day modified Rankin Scale score of 0-3; successful reperfusion was defined as extended thrombolysis in cerebral infarction 2b, 2c and 3 on final angiogram; and futile recanalisation was defined as unfavourable outcome despite successful reperfusion. We performed multivariate analysis to identify the predictors of futile recanalisation after EVT in patients with large infarct.
resultsA total of 183 patients were included: 91 (49.7%) patients had futile recanalisation and 92 (51.3%) had meaningful recanalisation. In multivariable logistic regression analysis, nonmodifiable factors included older age (age ≥68 years, OR=3.4, 95%CI 1.5 to 7.7, p= 0.003), female sex (OR=2.78, 95%CI 1.28 to 7.27, p=0.01), higher National Institutes of Health Stroke Scale score (NIHSS ≥16, OR=3.1, 95%CI 1.2 to 8.3, p=0.035), diabetes (OR=3.1, 95%CI 1.2 to 8.3, p=0.017) and symptomatic intracranial haemorrhage (sICH) (OR=9.1, 95%CI 1.0 to 80.7, p=0.049), and modifiable factors included larger final infarct volume (FIV ≥174.7, OR=6.2, 95%CI 2.5 to 15.7, p<0.001) and postoperative respiratory failure (OR=14.1, 95%CI 1.6 to 124.8, p=0.018), which were independent predictors of futile recanalisation.
conclusionsFutile recanalisation occurred in approximately half of patients who had an acute stroke with large infarct after EVT in the ANGEL-ASPECT trial. Nonmodifiable factors that included old age, high baseline NIHSS score, diabetes mellitus, sICH and large FIV, and modifiable factors that included respiratory failure were independent predictors of futile recanalisation after EVT for large ischaemic strokes. Stroke-related pneumonia control may improve prognosis.
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