Department of Neurosurgery the First Central Hospital of Baoding Baoding 071000 China;
Department of Neurosurgery the First Central Hospital of Baoding Baoding 071000 China;
Department of Neurosurgery the First Central Hospital of Baoding Baoding 071000 China;
Department of Neurosurgery the First Central Hospital of Baoding Baoding 071000 China;
Department of Neurosurgery the First Central Hospital of Baoding Baoding 071000 China;
Department of Neurosurgery the Second Hospital of Hebei Medical University Shijiazhuang 050051 China;
traumatic brain injury(TBI); prehospital hypotension and hypoxemia; Glasgow outcome scale(GOS); management guide;