The goal of the ONSITE study is to investigate whether an increase Optic nerve sheath diameter (ONSD) may help to predict intracranial hypertension (IH) after stroke. IH is a life-threatening complicaitons of malignant middle cerebral artery (MCA) infarction due to space-occupying brain edema. Patients at risk are monitored based on clinical symptoms, which can be difficult due to comorbidities such as delirium or systemic infections, which can hempen clinical judgement. Readily available, non-invasive methods to monitor ICP in stroke patients could help to earlier diagnose rising ICP and facilitate treatment decisions such as hemicraniectomy. This study investigates whether ONSD with optic nerve sonography (ONS) can detect brain edema after stroke.
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Presence of intracranial hypertension
Timeframe: Assessed at Baseline, at 12 hours after stroke, at 24 hours after stroke, at 36 hours after stroke, at 48 hours after stroke, at 72 hours after stroke, at 120 hours after stroke.