Journal
SURGICAL NEUROLOGY
Volume 60, Issue 2, Pages 159-164Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/S0090-3019(03)00083-1
Keywords
brain temperature; subarachnoid hemorrhage; temperature reversal
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BACKGROUND The significance of brain temperature (BT) in patients with severe brain damage remains unclear. This study investigated the relationships between BT, systemic temperature (ST), and clinical outcome in patients with severe subarachnoid hemorrhage. METHODS Thirty-one comatose patients with severe subarachnoid hemorrhage underwent ventricular drainage immediately after admission. The ventricular catheter also allowed monitoring of BT. ST was continuously measured using a bladder catheter with thermistor probe. RESULTS BT at the start of the monitoring was lower than ST in four patients, and all died of brain swelling. BT was higher than ST at first but later fell below ST (temperature reversal) in 12 patients, who all died of acute brain swelling. BT was higher than ST throughout the monitoring in 15 patients. Five of these patients died of causes other than brain swelling such as rerupture of the cerebral aneurysm, multiple organ failure, or respiratory failure. The other 10 patients survived with various degrees of disability. CONCLUSIONS Observation of BT and ST can predict the outcome of severe subarachnoid hemorrhage. (C) 2003 Elsevier Inc. All rights reserved.
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