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  • Title: Clinical distinction between acute hemorrhagic and acute ischemic stroke by Siriraj stroke score.
    Author: Hung LY, Wang PY, Wang Y, Chia LG.
    Journal: Zhonghua Yi Xue Za Zhi (Taipei); 1995 Mar; 55(3):248-52. PubMed ID: 7780882.
    Abstract:
    BACKGROUND: The clinical distinction between hemorrhagic and ischemic stroke cannot be achieved by simple clinical evaluation, and it is impossible to submit all stroke patients to computed tomography. A simple, reliable, and safe diagnostic tool for acute stroke syndrome is needed. This study tested the Siriraj stroke score to verify its accuracy for distinguishing among the pathological subtypes of stroke. METHODS: This study included the one hundred and seventy-one patients with acute supratentorial stroke syndromes consecutively admitted to the Emergency Room of the Taichung Veterans General Hospital from April 1 to September 30, 1993. The Siriraj stroke score was calculated, then compared with results of computed tomography. The Siriraj stroke score was calculated as (2.5 x level of consciousness) + (2 x vomiting) + (2 x headache) + (0.1 x diastolic blood pressure) - (3 x atheroma markers) - 12. A score above 1 indicates supratentorial intracranial hemorrhage, while a score below -1 indicates infarction. The score between 1 and -1 represents an equivocal result needing further evaluation to verify diagnosis. RESULTS: The diagnostic sensitivities of the Siriraj stroke score for intracranial hemorrhage and infarction were 85% and 90% respectively, with an overall predictive accuracy of 88.5%. When three cases with subarachnoid hemorrhage whose scores were all above 1 were excluded, the sensitivities for cerebral hemorrhage and infarction were 83.8% and 90% respectively, with an overall predictive accuracy of 88.2%. CONCLUSIONS: The Siriraj stroke score can be used as a reliable bedside method for diagnosing acute stroke and for deciding which patients should have priority for computed tomography, it is also a valuable tool for epidemiology studies of stroke incidence and outcome.
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