This study sought to examine whether quantification of cerebrospinal fluid (CSF) or the aneurysmal subarachnoid hemorrhage (SAH)/CSF ratio would allow for better prediction of radiographic vasospasm (VS) versus blood volume alone.
Not only did the study confirm SAH volume and total blood volume as VS predictors, but suggest that CSF may be a valuable, and additional, VS clinical surrogate parameter.
Why this matters
This study provides evidence that CSF correlates with angiographic VS following aneurysmal SAH.
Quantification of CSF, together with SAH, could lead to improved patient risk stratification, and provide more accurate method of identifying those at risk over current traditional methods.