Prone Positioning in ARDS: Predicting Neurological Complications via Cerebral Hemodynamics
Age≥18 years
Meet the diagnostic criteria for ARDS(Acute Respiratory Distress Syndrome),with PaO₂/FiO₂<150 mmHg,and requiring prone ventilation
Expected duration of mechanical ventilation>48 hours
Written informed consent obtained
Presence of contraindications to prone positioning(e.g.,head and neck injuries,spinal instability,severe intracranial hypertension)
Severe neurological diseases(e.g.,cerebral hemorrhage,cerebral infarction,intracranial space-occupying lesions)that may affect the monitoring of cerebral hemodynamics
Life-threatening ARDS
Patients who are unable to undergo neurological assessment