Abstract
Infrared imaging has been developed for intraoperative assessment of regional hemodynamic changes during the surgical treatment of cerebral arteriovenous malformations (AVM's). The infrared images, obtained by a digital infrared camera installed on the operating microscope, demonstrated the hemodynamic status and changes of preoperatively embolized AVM nidus during the open surgery. The anatomical structures of AVM nidus and its surrounding tissues were easily observed as the difference of surface temperature on the operative field. The hemodynamic changes according to operative manipulations were immediately demonstrated as thermal change of the surface of the nidus and its components. Intraoperative infrared imaging is an easy and effective manner for intraoperative monitoring and real-time and noninvasive evaluation of the hemodynamic change during the AVM surgery.
