Paola Caruso1, Marcello Naccarato2, Giovanni Furlanis2, Miloš Ajčević2, Lara Stragapede2, Mariana Ridolfi2, Paola Polverino2, Maja Ukmar3, Paolo Manganotti2. 1. Clinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, University Hospital and Health Services of Trieste, University of Trieste, Trieste, Italy. paola.caruso@asuits.sanita.fvg.it. 2. Clinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, University Hospital and Health Services of Trieste, University of Trieste, Trieste, Italy. 3. Radiology Unit, Department of Medicine, Surgery and Health Sciences, University Hospital and Health Services of Trieste, University of Trieste, Trieste, Italy.
Abstract
OBJECTIVE: Ischemic stroke is a neuroemergency condition highly treatable with thrombolysis and thrombectomy. Recently, observational studies have brought insights into clinical and imaging characteristics of wake-up stroke, which interested up to 25% of ischemic stroke patients. In clinical practice, wake-up strokes are usually not considered for reperfusion therapy. The aim of this study was to investigate the use CT perfusion imaging in patients with wake-up stroke and to assess the effect of neuroimaging information provided by CT perfusion maps on the efficacy and safety of thrombolysis and thrombectomy. PATIENTS AND METHOD: We studied 22 wake-up stroke (WUS) patients (13F/9M mean age) who underwent reperfusion therapy after the eligibility assessed by the CT perfusion imaging (< 50% core-to-penumbra ratio and negative CT perfusion). RESULTS: Mean National Institutes of Health Stroke Scale (NIHSS) was 8.1 ± 4.9 at admission while 3.3 ± 5.1 at discharge, significantly different from admission (p < 0.001). As many as ten patients had mRS lower than 3 at discharge. Intracranial hemorrhage occurred in five patients and caused symptoms worsening only in two patients (decrease of NIHSS score of 4 points) of which one patient died. CONCLUSION: The main finding of this study is that wake-up stroke with adequate selection by CT perfusion may benefit reperfusion treatment.
OBJECTIVE:Ischemic stroke is a neuroemergency condition highly treatable with thrombolysis and thrombectomy. Recently, observational studies have brought insights into clinical and imaging characteristics of wake-up stroke, which interested up to 25% of ischemic strokepatients. In clinical practice, wake-up strokes are usually not considered for reperfusion therapy. The aim of this study was to investigate the use CT perfusion imaging in patients with wake-up stroke and to assess the effect of neuroimaging information provided by CT perfusion maps on the efficacy and safety of thrombolysis and thrombectomy. PATIENTS AND METHOD: We studied 22 wake-up stroke (WUS) patients (13F/9M mean age) who underwent reperfusion therapy after the eligibility assessed by the CT perfusion imaging (< 50% core-to-penumbra ratio and negative CT perfusion). RESULTS: Mean National Institutes of Health Stroke Scale (NIHSS) was 8.1 ± 4.9 at admission while 3.3 ± 5.1 at discharge, significantly different from admission (p < 0.001). As many as ten patients had mRS lower than 3 at discharge. Intracranial hemorrhage occurred in five patients and caused symptoms worsening only in two patients (decrease of NIHSS score of 4 points) of which one patient died. CONCLUSION: The main finding of this study is that wake-up stroke with adequate selection by CT perfusion may benefit reperfusion treatment.
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