Monitoring of cerebrospinal fluid flow by intraoperative ultrasound in patients with Chiari I malformation.

OBJECTIVE To investigate the feasibility of intraoperative ultrasound (IOUS) for monitoring cerebrospinal fluid (CSF) flow in patients with Chiari I malformation. METHODS Twenty patients with Chiari I were scanned by IOUS with color Doppler flow imaging (CDFI). CSF flow status and flow velocity were monitored at different times during the surgery… (More)