Kim et al reported a score for predicting shunt-dependency in a patient who has had an aneurysmal subarachnoid hemorrhage (SAH). The authors are from Eulji University in Seoul, South Korea.
Patient selection: aneurysmal subarachnoid hemorrhage
AFA is an acronym for acute hydrocephalus, Fisher grade and age.
Parameters:
(1) acute hydrocephalus
(2) Fisher grade (from 0 to 4)
(3) age in years
Parameters
Finding
Points
acute hydrocephalus
no
0
yes (bicaudate index >= 0.2)
1
Fisher grade
< 4
0
4
1
age
< 50 years
0
>= 50 years
1
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 3
• The risk of shunt dependency increases as the score increases.
• A score of 0 or 1 is associated with a low risk of shunt-dependency.
Performance:
• The area under the ROC curve is 0.82 and 0.90 in different cohorts. These seem when compared to the data in Tables 4 and 5.
Continue Reading
