Application of laser speckle flowgraphy to evaluate cerebral perfusion after carotid endarterectomy

Ayako Oi; Hironobu Hayashi; Yasushi Motoyama; Hideaki Kawanishi; Ichiro Nakagawa; Hiroyuki Nakase; Masahiko Kawaguchi

doi:10.1016/j.heliyon.2023.e14400

Application of laser speckle flowgraphy to evaluate cerebral perfusion after carotid endarterectomy

Heliyon. 2023 Mar 8;9(3):e14400. doi: 10.1016/j.heliyon.2023.e14400. eCollection 2023 Mar.

Authors

Ayako Oi¹, Hironobu Hayashi¹, Yasushi Motoyama², Hideaki Kawanishi¹, Ichiro Nakagawa², Hiroyuki Nakase², Masahiko Kawaguchi¹

Affiliations

¹ Department of Anesthesiology, Nara Medical University, Japan.
² Department of Neurosurgery, Nara Medical University, Japan.

Abstract

Cerebral hyperperfusion syndrome (CHS) after carotid endarterectomy (CEA) is devastating, and postoperative monitoring of cerebral perfusion is essential to prevent CHS. We report two cases of successful measurement of ocular blood flow using laser speckle flowgraphy (LSFG) for bedside assessment of the changes in cerebral perfusion after CEA. An 18.7% (case 1) and 47.7% (case 2) increase in ocular blood flow were measured postoperatively using LSFG compared with the baseline. LSFG might be applicable to evaluate cerebral perfusion after CEA.

Keywords: Carotid endarterectomy; Cerebral hyperperfusion; Laser speckle flowgraphy; Ocular blood flow.

Publication types

Case Reports