Near infrared spectroscopy (NIRS), is a non-invasive method for the measurement of blood flow in tissues, first used for cerebral tissue oxygenation in 1977. NIRS is a spectroscopic technique, which uses electromagnetic waves (700-950nm), an emitter and a detector. In the last 20 years there was an
BACKGROUND
Near infrared spectroscopy (NIRS) is a non-invasive method for the measurement of blood flow in tissues, first used for cerebral tissue oxygenation in 1977. 1 NIRS is a spectroscopic technique, which uses electromagnetic waves (700-950nm), an emitter and a detector. In the last 20 years