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    The usage of the laser doppler flowmetry in neurosurgery
    (Turkish Society of Cerebrovascular Diseases, 2003) Gürelik, Mustafa; Özüm, Ünal; Karada?, Özen; Gürelik, Bilge
    The laser Doppler flowmetry is a method measuring continuously and real time blood flow in tissue. Laser Doppler flowmetry is used to measure the blood flow in both clinic and experimental applications in neurosurgery. In this technique is based on "Doppler principle", a part of the laser light delivered to tissue back reflects from the dynamic structures, mainly red blood cells and this back reflected light, frequency of which shifted is received by detector and analyzed. In this article, the physical principles of the laser Doppler flowmetry and its applications in neurosurgery are reviewed.