Low body temperature associated with severe ischemic stroke within 6 hours of onset: The Bergen NORSTROKE Study
Vascular Health and Risk Management, 06/04/2012
Kvistad CE et al. – The study suggests that low body temperature within 6 hours of symptom onset is associated with severe ischemic stroke. This is in support of the hypothesis, although other contributing mechanisms cannot be excluded.
In this prospective study, patients (n = 516) exhibiting ischemic stroke with symptom onset within 6 hours were included.
Body temperature and National Institute of Health Stroke Scale (NIHSS) score were registered on admission.
Because low body temperature on admission may be secondary to immobilization due to large stroke, separate analyses were performed on patients with cerebral hemorrhage admitted within 6 hours (n = 85).
Linear regression showed that low body temperature on admission was independently associated with a high NIHSS score within 6 hours of stroke onset in patients with ischemic stroke (P < 0.001).
The association persisted when NIHSS was measured at 24 hours after admission.
No such associations were found in patients with cerebral hemorrhage admitted within 6 hours of stroke onset.
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