Related Experiment Videos
Cerebral Autoregulation-oriented Therapy at the Bedside: A Comprehensive Review
Lucia Rivera-Lara1, Andres Zorrilla-Vaca, Romergryko G Geocadin
1From the Departments of Neurology (L.R.-L., R.G.G., W.Z., M.A.M.) and Anesthesiology and Critical Care Medicine (L.R.-L., A.Z.-V., R.G.G., R.J.H., W.Z., M.A.M.), Johns Hopkins School of Medicine, Baltimore, Maryland; and School of Medicine, Faculty of Health, Universidad del Valle, Cali, Colombia (A.Z.-V.).
Anesthesiology
|April 7, 2017
Summary
Cerebral autoregulation monitoring helps personalize blood pressure management in critically ill patients. Deviations from optimal levels correlate with poorer functional outcomes, highlighting its clinical potential.
Area of Science:
- Neurology
- Critical Care Medicine
- Physiology
Background:
- Cerebral autoregulation is crucial for maintaining stable cerebral blood flow.
- Current blood pressure management in acutely ill patients often lacks individualization.
- Optimizing cerebral perfusion pressure (CPP) is a key goal in neurocritical care.
Purpose of the Study:
- To review the evidence for bedside cerebral autoregulation-directed therapy.
- To evaluate its impact on optimizing cerebral perfusion and functional outcomes.
- To assess the feasibility and potential of continuous cerebral autoregulation monitoring.
Main Methods:
- Systematic review of studies on cerebral autoregulation monitoring.
- Analysis of studies involving adults and children with acute conditions.
- Evaluation of associations between blood pressure levels (mean arterial pressure [MAP] and CPP) and optimal levels derived from autoregulation monitoring.
- Assessment of functional outcomes in relation to blood pressure management guided by autoregulation.
Main Results:
- Studies demonstrate the feasibility of individualizing MAP and CPP goals using cerebral autoregulation monitoring.
- 66% of reviewed studies showed that significant deviations from optimal CPP or MAP were linked to unfavorable functional outcomes.
- Continuous cerebral autoregulation monitoring at the bedside is feasible in acutely ill patients.
Conclusions:
- Bedside monitoring of cerebral autoregulation is feasible.
- Individualized blood pressure management guided by cerebral autoregulation shows potential for improving outcomes.
- Further research is warranted to establish definitive clinical guidelines.