Journal: European Stroke Journal

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SAGE

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2396-9873
2396-9881

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2024 - 20253
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Publications 1 - 3 of 3
  • Absent leptomeningeal collateralization is associated with greatest benefit from mechanical thrombectomy in the 6-24 hour time window
    Item type: Journal Article
    Dittrich, Tolga D.; von Streng, Tennessee; Toebak, Anna M.; et al. (2024)
    European Stroke Journal
    Introduction: The impact of leptomeningeal collateralization on the efficacy of mechanical thrombectomy (MT) in patients with anterior circulation large vessel occlusion (aLVO) presenting in the 6-24 h time window remains poorly elucidated. Patients and methods: Retrospective multicenter study of aLVO patients presenting between 6 and 24 h after stroke onset who received MT plus Best Medical Treatment (BMT) or BMT alone. Leptomeningeal collateralization was assessed using single-phase computed tomography angiography (grade 0: no filling; grade 1: filling <= 50%; grade 2: filling >50% but <100%; grade 3: filling 100% of the occluded territory). Inverse probability of treatment weighted ordinal regression was performed to assess the association between treatment and shift of the modified Rankin Scale (mRS) score toward lower categories at 3 months. We used interaction analysis to explore differential treatment effects on functional outcomes (probabilities for each mRS subcategory at 3 months) at different collateral grades. Results: Among 363 included patients, 62% received MT + BMT. Better collateralization was associated with better functional outcomes at 3 months in the BMT alone group (collateral grade 1 vs 0: acOR 5.06, 95% CI 2.33-10.99). MT + BMT was associated with higher odds of favorable functional outcome at 3 months (acOR 1.70, 95% CI 1.11-2.62) which was consistent after adjustment for collateral status (acOR 1.54, 95% CI 1.01-2.35). Regarding treatment effect modification, patients with absent collateralization had higher probabilities for a mRS of 0-4 and a lower mortality at 3 months for the MT + BMT group. Discussion and conclusion: In the 6-to-24-h time window, aLVO patients with absent leptomeningeal collateralization benefit most from MT + BMT, indicating potential advantages for this group despite their poorer baseline prognosis.
  • European Stroke Organisation (ESO) guideline on motor rehabilitation
    Item type: Journal Article
    Alt Murphy, Margit; Munoz-Novoa, Maria; Heremans, Charlotte; et al. (2025)
    European Stroke Journal
    Motor rehabilitation aims to help people after stroke to gain optimal motor functioning, independence and quality of life. This European Stroke Organisation (ESO) guideline provides updated, evidence-based support for clinical practice in six agreed critical areas: dose for upper limb and gait therapy, high-intensity gait training, effect of therapy transfer package, group versus individual therapy and sit-to-stand training. The guideline was developed according to ESO standard operating procedures and Grading of Recommendations, Assessment, Development and Evaluation (GRADE). Expert consensus statements are provided where a GRADE recommendation cannot be made due to insufficient evidence. For therapy dose, very low quality evidence supports a weak recommendation to provide an additional minimal dose of 20 h of repetitive upper limb practice to improve arm capacity. For gait, expert consensus suggests that an additional minimal dose of 20 h of walking practice could be beneficial for walking capacity. For high-intensity gait training, moderate quality evidence supports a strong recommendation for high-intensity gait training to improve walking endurance in people with chronic stroke and stable cardiovascular status, while low quality evidence supports a weak recommendation for improving walking speed. An expert consensus suggests using a transfer package when providing upper limb task-specific training to enhance transfer to daily life. For group therapy, a weak recommendation based on very low quality evidence suggests that task-specific group-based therapy is non-inferior to individual therapy for improving balance, gait speed and walking endurance. A weak recommendation based on moderate quality evidence suggests additional sit-to-stand training to improve balance.
  • Large ischemic core defined by visually assessed ASPECTS predicts functional outcomes comparably accurate to automated CT perfusion in the 6-24 h window
    Item type: Journal Article
    Dittrich, Tolga D.; Nguyen, Anh; Sporns, Peter B.; et al. (2024)
    European Stroke Journal
    Introduction: Automated CT perfusion (aCTP) is commonly used to select patients with anterior circulation large vessel occlusion (aLVO) for endovascular treatment (EVT). The equivalence of visually assessed Non-contrast CT Alberta Stroke Program Early CT Scores (ASPECTS) and aCTP based selection in predicting favorable functional outcomes remains uncertain. Patients and methods: Retrospective multicenter study of adult aLVO patients from the Swiss Stroke Registry (2014-2021) treated with EVT or best medical treatment 6-24 h after stroke onset. We assessed ASPECTS on non-contrast CT visually and ischemic core volumes on aCTP, defining ASPECTS 0-5 and aCTP CBF < 30% volumes >= 50 mL as large ischemic cores. We used logistic regression to explore the association between CT modalities and favorable functional outcomes (modified Rankin Scale [mRS] score shift toward lower categories) at 3 months. Receiver operating characteristic (ROC) curve analysis compared the predictive accuracy of visually assessed ASPECTS and aCTP ischemic core for favorable outcomes (mRS 0-2) at 3 months. Results: Of 210 patients, 11.4% had ASPECTS 0-5, and 12.9% aCTP core volumes >= 50 mL. Within the same model, ASPECTS but not aCTP core volumes were associated with favorable outcomes (ASPECTS: acOR 1.85, 95%CI 1.27-2.70, p = 0.001). The ROC curve analyses showed comparable diagnostic accuracy in predicting favorable functional outcomes (mRS 0-2) at 3 months (ROC areas: ASPECTS 0.80 [95%CI 0.74-0.86] vs aCTP core 0.79 [95%CI 0.72-0.85]). Discussion and conclusion: In patients with aLVO, visually assessed ASPECTS showed at least comparable accuracy to automatically generated CTP core volumes in predicting functional outcomes at 3 months.
Publications 1 - 3 of 3