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耳蜗血管深藏于颞骨中,由椎动脉的颅内分支小脑下前动脉供应,因而准确地观察或测量耳蜗的微循环及其病理变化是比较困难的。以前曾采用的检测方法如阻抗描记法、氢清除率法等,以及现今仍在应用的微球法和活体显微镜技术,因各自的缺点,应用上受到一定的限制。激光多普勒技术是近年发展起来的一项新技术,它具有无创性、能动态检测组织的相对血流量等优点。Miller等首次成功地将激光多普勒血流计(LDF)用于测量豚鼠耳蜗血流量
Cochlear blood vessels deep in the temporal bone, the anterior branch of the cerebellar artery of the vertebral artery supply, so accurately observe or measure the microcirculation of the cochlea and its pathological changes is more difficult. Previously used detection methods such as impedance spectroscopy, hydrogen scavenging method, etc., as well as the microspheres still in use today and live microscope technology, due to their shortcomings, the application is subject to certain restrictions. Laser Doppler technology is a new technology developed in recent years, it has the advantages of non-invasive, dynamic detection of tissue relative blood flow. For the first time, Miller et al. Used laser Doppler flowmetry (LDF) to measure guinea pig cochlear blood flow