Acta neurologica Scandinavica · 2015
Early neurological worsening in acute ischaemic stroke patients.
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Nacu A, Bringeland G H, Khanevski A, Thomassen L, Waje-Andreassen U, Naess H
Аннотация
OBJECTIVES: Neurological worsening in acute ischaemic stroke patients is common with significant morbidity and mortality.
AIMS: To determine the factors associated with early neurological worsening within the first 9 h after onset of acute ischaemic stroke.
MATERIALS & METHODS: The National Institute of Health Stroke Scale (NIHSS) was used to assess stroke severity. Early neurological worsening was defined as NIHSS score increase ≥4 NIHSS points within 9 h of symptom onset compared to NIHSS score within 3 h of symptom onset. Patients with early neurological worsening were compared to patients with unchanged or improved NIHSS scores.
RESULTS: Of the 2484 patients admitted with ischaemic stroke, 552 patients had NIHSS score within 3 h of symptom onset, and 44 (8.0%) experienced early neurological worsening. The median NIHSS on admission was 8.4 in both groups. Early neurological worsening was associated with low body temperature on admission (P = 0.01), proximal compared to distal MCA occlusion (P = 0.007) and with ipsilateral internal carotid artery stenosis >50% or occlusion (P = 0.04). Early neurological worsening was associated with higher NIHSS day 7 (P < 0.001) and higher mortality within 7 days of stroke onset (P = 0.005).
CONCLUSIONS: Early neurological worsening has serious consequences for the short-term outcome for patients with acute ischaemic stroke and is associated with low body temperature on admission, and with extracranially and intracranially large-vessel stenosis or occlusion.
AIMS: To determine the factors associated with early neurological worsening within the first 9 h after onset of acute ischaemic stroke.
MATERIALS & METHODS: The National Institute of Health Stroke Scale (NIHSS) was used to assess stroke severity. Early neurological worsening was defined as NIHSS score increase ≥4 NIHSS points within 9 h of symptom onset compared to NIHSS score within 3 h of symptom onset. Patients with early neurological worsening were compared to patients with unchanged or improved NIHSS scores.
RESULTS: Of the 2484 patients admitted with ischaemic stroke, 552 patients had NIHSS score within 3 h of symptom onset, and 44 (8.0%) experienced early neurological worsening. The median NIHSS on admission was 8.4 in both groups. Early neurological worsening was associated with low body temperature on admission (P = 0.01), proximal compared to distal MCA occlusion (P = 0.007) and with ipsilateral internal carotid artery stenosis >50% or occlusion (P = 0.04). Early neurological worsening was associated with higher NIHSS day 7 (P < 0.001) and higher mortality within 7 days of stroke onset (P = 0.005).
CONCLUSIONS: Early neurological worsening has serious consequences for the short-term outcome for patients with acute ischaemic stroke and is associated with low body temperature on admission, and with extracranially and intracranially large-vessel stenosis or occlusion.