Electroencephalography during Out-of-hospital Cardiopulmonary Resuscitation.
Summary of "Electroencephalography during Out-of-hospital Cardiopulmonary Resuscitation."
BACKGROUND:
At the present time there is no parameter that can estimate the quality of cerebral perfusion and possible success of cerebral resuscitation during advanced cardiac life support (ACLS) efforts. In recent years, various attempts have been made to use electroencephalography (EEG)-based cerebral neuromonitoring to assess the effectiveness of cardiopulmonary resuscitation (CPR).
OBJECTIVES:
The Cerebral State Monitor M3 (Danmeter A/S, Odense, Denmark) is a portable, single-channel EEG monitor that provides the user with different EEG-based parameters and the raw waveform EEG to measure cerebral activity. CASE
REPORT:
We report two cases of out-of-hospital CPR with single-channel EEG monitoring conducted parallel to ACLS with external chest compressions. We demonstrate an artifact in waveform EEG recordings that is caused by the external chest compressions, and that leads to a miscalculation of the Burst Suppression Ratio and Cerebral State Index.
CONCLUSION:
These cases suggest that digitally processed EEG-monitoring is not a useful tool during CPR.
Affiliation
Department of Anesthesiology, Center of Anesthesiology and Intensive Care Medicine, University Hospital Hamburg-Eppendorf, Hamburg, Germany.
Journal Details
This article was published in the following journal.
Name: The Journal of emergency medicine
ISSN: 0736-4679
Pages:
Links
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/20828974
- DOI: http://dx.doi.org/10.1016/j.jemermed.2010.05.098
Medical and Biotech [MESH] Definitions
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The artificial substitution of heart and lung action as indicated for HEART ARREST resulting from electric shock, DROWNING, respiratory arrest, or other causes. The two major components of cardiopulmonary resuscitation are artificial ventilation (RESPIRATION, ARTIFICIAL) and closed-chest CARDIAC MASSAGE.
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Care of patients with deficiencies and abnormalities associated with the cardiopulmonary system. It includes the therapeutic use of medical gases and their administrative apparatus, environmental control systems, humidification, aerosols, ventilatory support, bronchopulmonary drainage and exercise, respiratory rehabilitation, assistance with cardiopulmonary resuscitation, and maintenance of natural, artificial, and mechanical airways.
Hospital Costs
The expenses incurred by a hospital in providing care. The hospital costs attributed to a particular patient care episode include the direct costs plus an appropriate proportion of the overhead for administration, personnel, building maintenance, equipment, etc. Hospital costs are one of the factors which determine HOSPITAL CHARGES (the price the hospital sets for its services).
Hospital Charges
The prices a hospital sets for its services. HOSPITAL COSTS (the direct and indirect expenses incurred by the hospital in providing the services) are one factor in the determination of hospital charges. Other factors may include, for example, profits, competition, and the necessity of recouping the costs of uncompensated care.
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