Anesthesiology

Near infrared laser device can measure brain oxygen levels during surgery

Published in Blood Weekly, November 10th, 2005

A new device that uses near-infrared light to non-invasively monitor the oxygenation of the brain during surgery appears to be a promising alternative to the more invasive techniques currently in use, according to a new study by Duke University Medical Center anesthesiologists.

The researchers said their findings offer the potential for accurate and reliable monitoring of brain oxygenation during cardiac surgeries, to more effectively protect the brain against reduced oxygen levels, or anoxia, which is known to cause cognitive impairment in some surgical patients.

During some surgeries anesthesiologists measure venous oxygenation by periodically...

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Source: Blood Weekly (2005-11-10)

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