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  • Title: Acetylsalicylic acid and acetaminophen to combat elevated body temperature in acute ischemic stroke.
    Author: Sulter G, Elting JW, Maurits N, Luijckx GJ, De Keyser J.
    Journal: Cerebrovasc Dis; 2004; 17(2-3):118-22. PubMed ID: 14707410.
    Abstract:
    BACKGROUND: Because elevated body temperature (BT) in acute ischemic stroke is associated with poor outcome, it is currently recommended to maintain normothermia with antipyretics. Whether this can be achieved by the administration of acetylsalicylic acid (ASA) or acetaminophen is uncertain. METHODS: Over a period of 9 months, patients admitted with acute hemiparetic ischemic stroke were monitored for BT in the first 48 h. When BT rose >37.5 degrees C, patients were treated with either ASA 500 mg intravenously or acetaminophen suppository 1,000 mg. When 6 h later the BT was still or again >37.5 degrees C, patients were further treated with acetaminophen suppository 1,000 mg up to 4 times a day. Primary outcome measure was normothermia (BT </=37.5 degrees C) within respectively 1 and 3 h after intervention. Secondary outcome parameters were any decrease in BT and the mean decrease in BT. RESULTS: Of a total of 132 patients, 63 (48%) developed a BT >37.5 degrees C. The effects of 43 injections of ASA and 89 administrations of acetaminophen were studied. After 1 h, treatment with acetaminophen produced both significantly more reductions in BT and normothermia (respectively in 60 and 20%) than treatment with ASA (respectively in 37 and 5%). At 3 h, both interventions had a similar effect, with normothermia being achieved in only 37-38%. Fever (>38.0 degrees C) and evidence of an infection were related to unresponsiveness to treatment. CONCLUSIONS: In the majority of patients with acute ischemic stroke, ASA and acetaminophen are insufficient for reducing an elevated BT to a state of normothermia.
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