The effectiveness of acute ischemic stroke (AIS) management has improved considerably in recent years with thrombolysis and more recently with mechanical thrombectomy (MT). Currently, mechanical thrombectomy can only be performed in stroke unit with an interventional neuroradiology center by experienced/qualified interventional neuroradiologists. In the Rhone area, only one hospital has the authorization to perform mechanical thrombectomy. Therefore, transferring directly eligible acute ischemic stroke patients for mechanical thrombectomy to this center constitutes an important stake of the triage of suspected acute ischemic stroke patients. Some validated scores for the identification of severe strokes and large vessel occlusion, including the Cincinnati prehospital stroke severity scale (CPSSS), appear to be relevant for pre-hospital use in order to identify patients potentially eligible for mechanical thrombectomy and address them to a stoke unit with interventional radiology center.
Study Type
OBSERVATIONAL
Enrollment
1,272
Tests from Cincinnati prehospital stroke severity scale (CPSSS) will be carried out by the physician at emergency medical services on telephone call with firemen, paramedics or the emergency medical services team for any stroke suspicion that meets the criteria for inclusion. Emergency department physician will have to follow a standardized questionnaire to complete the different items of the score. The score will not be calculated by emergency department physician and will not influence the orientation and management of patients. The final diagnosis will be the presence or absence of a large vessel occlusion. This diagnosis will be done on cerebral imaging by a neurologist.
Neurologie, Hôpital Neurologique - HCL
Bron, France
SAMU 69 , Hôpital Edouard Herriot
Lyon, France
Médecine d'urgence, Clinique de la Sauvegarde
Lyon, France
Médecine d'urgence, Hôpital de la Croix-Rousse - HCL
Lyon, France
Médecine d'urgence, Hôpital Desgenettes
Lyon, France
Médecine d'urgence, Hôpital Mutualiste Médipôle
Lyon, France
Médecine d'urgence, Hôpital Saint Joseph Saint Luc
Lyon, France
Urgentiste, Centre Hospitalier Lyon Sud
Pierre-Bénite, France
Médecine d'urgence, CH de Roanne
Roanne, France
Médecine d'urgence, Hôpital Nord-Ouest
Tarare, France
...and 2 more locations
Performances of Cincinnati prehospital stroke severity scale
The Cincinnati prehospital stroke severity scale is composed of 3 items: 2 points if the patient has a deviation of the gaze, 1 point if the patient is not able to give the date and answer to a simple order such as closing the eyes or clenching the fist and 1 point if the patient presents a hemiplegia. The CPSSS score ranges from 0 to 4, highest value indicating the worst score. It will be considered positive if it is equal to 2 or more. Performances will be evaluated in terms of sensitivity, specificity, positive and negative predictive values.
Time frame: 1 day
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