NCS News
Distal Sampling of CSF From External Ventricular Drains May Be a Reliable, Less Invasive Alternative To Proximal Sampling
Written By: Brendan Baugher, DO, MS; Alexander Lewis, DO
Sampling of cerebrospinal fluid (CSF) from external ventricular drains (EVDs) can be performed either proximally (directly from the intraventricular space via a port near the skull) or distally (from the CSF collection bag).