Takeaway
Ultra-early rapid neurological improvement (U-RNI) is a frequent occurrence and is associated with improved recovery and decreased mortality and may be useful in guiding prehospital decisions around routing and future intervention.
Why this matters
Individuals with acute cerebral ischemia (ACI) are selected for specific stroke centers based on their deficit severity in a prehospital setting. Further understanding of U-RNI in the prehospital setting may aid in more accurate triage of individuals to appropriate hospitals.
Furthermore, learning more about U-RNI may aid in planning future ambulance-based intervention trials.