Prone ventilation: Cerebral Blood Flow Monitoring Before and After Prone Ventilation in Patients with ARDS.Cerebral blood flow,intracranial pressure,and systemic hemodynamic monitoring were performed at the following time points:before prone positioning(T0),1 hour after prone ventilation(T1),12 hours after prone ventilation(T2),1 hour after returning to the supine position(T3),and 7 days after returning to the supine position(T4).
Study summary
Prone Positioning in ARDS: Predicting Neurological Complications via Cerebral Hemodynamics
Eligibility
Sex
ALL
Min age
18 Years
Max age
—
Healthy volunteers
No
Inclusion Criteria:
* 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
Exclusion Criteria:
* 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
* Poor image quality or absence of images
Primary outcome measure(s)
Neuroimaging Studies — From enrollment to 2 weeks after the end of treatment. Cranial CT or MRI Scans Conducted Before and After Prone Positioning to Detect New-Onset Neurological Complications Such as Cerebral Edema, Intracranial Hemorrhage, and Cerebral Infarction
Biomarker Detection — From enrollment to 2 weeks after the end of treatment. Blood samples were collected for NSE(Neuron-specific Enolase)and IL-6(Interleukin-6)before and after prone positioning.
Trial sites (1)
Facility
City
Region
Status
Sichuan Provincial People's Hospital,
Chengdu
Sichuan
Recruiting
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This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.
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