• Neurol. Med. Chir. (Tokyo) · Jan 2002

    Case Reports

    Novel intraoperative cerebral blood flow monitoring by laser-Doppler scanner.

    • Hiroyuki Nakase, Takanobu Kaido, Shuzo Okuno, Tohru Hoshida, and Toshisuke Sakaki.
    • Department of Neurosurgery, Nara Medical University, Kashihara, Nara. nakasehi@nmu-gw.naramed-u.ac.jp
    • Neurol. Med. Chir. (Tokyo). 2002 Jan 1; 42 (1): 1-4.

    AbstractLaser-Doppler (LD) flowmetry was used to measure tissue perfusion non-invasively and continuously during neurosurgical operations using an LD scanner. Scanning was usually completed in 20 seconds. Measurements were processed in software to provide a color-coded image of the tissue perfusion. Moreover, the measurement data, expressed in LD-units, could be used for statistical data analysis. No physical contact was necessary between the scanning device and the exposed brain tissue. The imager provided two-dimensional microvascular flow maps non-invasively and quantitatively during brain operations, and could show the CO2 reactivity in the vessels. LD scanning flowmetry is a promising intraoperative monitoring method for cerebral blood flow changes.

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