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Monitoring of Cerebral Blood Flow Autoregulation after Cardiac Arrest
Rok Petrovčič1, Martin Rakusa2, Andrej Markota3
1Emergency Department, University Medical Centre Maribor, Ljubljanska ulica 5, 2000 Maribor, Slovenia.
Medicina (Kaunas, Lithuania)
|September 28, 2024
Summary
Monitoring cerebral blood flow autoregulation after cardiac arrest is crucial but challenging. This review highlights common methods like near-infrared spectroscopy and transcranial Doppler, emphasizing the need for clinical validation and standardization for improved patient survival.
Area of Science:
- Neurology
- Critical Care Medicine
- Cardiovascular Research
Background:
- Cardiac arrest is a major cause of mortality.
- Post-cardiac arrest syndrome includes impaired cerebral blood flow autoregulation.
- Monitoring cerebral blood flow autoregulation is vital for patient care and prognosis but faces clinical challenges.
Purpose of the Study:
- To systematically review methods for monitoring cerebral blood flow autoregulation after non-traumatic cardiac arrest.
- To identify current monitoring techniques and their clinical implications.
Main Methods:
- Comprehensive literature search across PubMed, Web of Science, and Cochrane Central Register of Controlled Trials.
- Inclusion of studies measuring cerebral blood flow autoregulation in adult non-traumatic cardiac arrest survivors.
- Systematic review of 16 selected studies.
Main Results:
- Near-infrared spectroscopy and transcranial Doppler were the most frequently used monitoring methods.
- Cerebral oximetry index, tissue oxygenation reactivity index, and mean flow index were common calculation methods.
- Significant variability exists in monitoring and mathematical approaches.
Conclusions:
- Standardization and validation of cerebral blood flow autoregulation monitoring techniques are challenging for clinical practice.
- Future research should focus on clinical validation and implementation of these techniques.
- Improved autoregulation monitoring could enhance survival outcomes for cardiac arrest patients.
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