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  • Title: Hyperglycemia Is Associated with Island Sign in Patients with Intracerebral Hemorrhage.
    Author: Zhang F, Li H, Qian J, Zhang S, Tao C, You C, Yang M.
    Journal: World Neurosurg; 2018 Nov; 119():e703-e709. PubMed ID: 30092471.
    Abstract:
    OBJECTIVES: The prognostic value of admission serum glucose for early hematoma growth in patients with intracranial hemorrhage remains controversial. Island sign is a novel imaging predictor for early hematoma growth, implying multifocal active bleeding. The aim of this study is to investigate the potential associations between hyperglycemia and early hematoma expansion in patients with intracranial hemorrhage with or without island sign. PATIENTS AND METHODS: Clinical characteristics and radiologic parameters were retrospectively obtained from the electronic medical record. Admission blood glucose was measured within 24 hours from disease onset. Hematoma expansion and island sign were estimated by 2 experienced reviewers from initial and follow-up computed tomography scans. Multivariate logistic regression analyses were used to explore the associations of hematoma expansion and island sign on other clinical variables. RESULTS: In total, 187 patients were enrolled in current study; 61 patients were presented to have early hematoma expansion, whereas 32 exhibited island sign. The average blood glucose level was 7.64 mmol/L among all patients. The multivariate logistic regression analyses revealed that the time from ictus to initial computed tomography scan, Glasgow Coma Scale score on admission, hematoma volume, island sign, and hyperglycemia were associated with hematoma expansion, whereas only admission serum glucose and hematoma size were associated with island sign. CONCLUSIONS: Admission serum glucose is associated with hematoma growth and prevalence of island sign, respectively. These results indicated that elevated blood glucose level plays a pathological role in active bleeding. Further studies concerning exact molecular signal pathway are urgently required.
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