British Journal of Anaesthesia, 2003, Vol. 91, No. 3 438-442
© 2003 The Board of Management and Trustees of the British Journal of Anaesthesia
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Cerebral oxygenation measured by near-infrared spectroscopy during circulatory arrest and cardiopulmonary resuscitation
1 Department of Congenital Heart Disease, Paediatric Cardiology and Paediatric Intensive Care Medicineand 2 Department of Anaesthesiology, Deutsches Herzzentrum Berlin, Augustenburger Platz 1,D-13353 Berlin, Germany
Corresponding author. E-mail: nagdyman@dhzb.de
We measured cerebral oxygenation by near-infrared spectroscopy (NIRS) during an unexpected cardiac arrest and successful cardiopulmonary resuscitation (CPR). A 4-yr-old girl with cyanotic congenital heart disease developed an arrhythmia during cardiac catheterization with subsequent circulatory arrest. Continuous monitoring of cerebral oxygenation showed marked changes in oxygen status immediately after the beginning of the tachyarrhythmia. After 1 min of circulatory arrest, a decrease in oxygenated haemoglobin concentration and cytochrome oxidase signal indicated a critical reduction of oxygen tension. With the beginning of CPR, a rapid increase in cytochrome oxidase oxygenation was observed. Previous values, however, were only restored when sinus rhythm was obtained after successful cardiac defibrillation. Our observations suggest that non-invasive cerebral NIRS measurement gives useful additional real-time information on cerebral oxygenation during cardiac arrest and CPR.
Br J Anaesth 2003; 91: 00000
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