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Use of Diffusion-Weighted Imaging-Alberta Stroke Program Early Computed Tomography Score (DWI-ASPECTS) and Ischemic Core Volume to Determine the Malignant Profile in Acute Stroke.

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  • معلومة اضافية
    • المصدر:
      Publisher: Wiley-Blackwell Country of Publication: England NLM ID: 101580524 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2047-9980 (Electronic) Linking ISSN: 20479980 NLM ISO Abbreviation: J Am Heart Assoc Subsets: MEDLINE
    • بيانات النشر:
      Original Publication: Oxford : Wiley-Blackwell
    • الموضوع:
    • نبذة مختصرة :
      Background Malignant profiles were identified by imaging profiles and unfavorable outcomes that have poor response to reperfusion therapy. Many trials have used this profile in their inclusion criteria including large-vessel occlusion acute ischemic stroke trials. We aimed to redefine the cutoff values for malignant profile in acute ischemic stroke patients with large-vessel occlusion regardless of reperfusion therapy. Methods and Results Consecutive acute ischemic stroke patients with anterior large-vessel occlusion were prospectively extracted from the National Cerebral and Cardiovascular Center Stroke Registry between March 2014 and December 2017. Diffusion-Weighted Imaging-Alberta Stroke Program Early Computed Tomography Score (DWI-ASPECTS) and diffusion-weighted imaging lesion ischemic core volume (Vol DWI ) were measured in acute ischemic stroke patients with large-vessel occlusion with or without treatment. Unfavorable outcome was defined as a modified Rankin Scale score 5 to 6 at 3 months, and optimal DWI-ASPECTS and Vol DWI for unfavorable outcome were assessed. In total, 198 patients (111 men, 77±13 years old) were enrolled. Median DWI-ASPECTS was 7 (5-9), and median Vol DWI was 55 (6-134) mL. Among the patients, 72 (36%) patients underwent reperfusion therapy, and 83 (42%) had unfavorable outcomes. The threshold values for a malignant profile on receiver operating characteristic curve analysis for DWI-ASPECTS and Vol DWI were 4 (area under the curve 0.78, P <0.01; sensitivity 0.71, specificity 0.75) and 71 mL (area under the curve 0.80, P <0.01; sensitivity 0.76, specificity 0.77), respectively. Conclusions The cutoff values for our redefined malignant profile were DWI-ASPECTS 4 and Vol DWI 71 mL with no selection bias for reperfusion therapy in the real-world clinical practice. Clinical Trial Registration URL: http://www.clinicaltrials.gov Unique identifier: NCT02251665.
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    • Contributed Indexing:
      Keywords: large‐vessel occlusion; malignant profile; stroke
    • Molecular Sequence:
      ClinicalTrials.gov NCT02251665
    • الموضوع:
      Date Created: 20191109 Date Completed: 20201214 Latest Revision: 20240723
    • الموضوع:
      20240723
    • الرقم المعرف:
      PMC6915267
    • الرقم المعرف:
      10.1161/JAHA.119.012558
    • الرقم المعرف:
      31698986