Lubelski et al reported the F2RaD Score for predicting C5 palsy following posterior cervical decompression. The authors are from the Johns Hopkins Hospital in Baltimore.
Patient selection: posterior cervical decompression
Parameters:
(1) mean C4/5 foraminal diameter
(2) preoperative C5 radiculopathy
(3) dexterity loss
Parameter
Finding
Points
foraminal diameter
0 to 2.60
2
2.61 to 3.55
1
3.56 to 10
0
preoperative C5 radiculopathy
no
yes
loss of dexterity
total score =
= SUM(points for all 3 parameters)
Interpretation:
• minimum score: 0
• maximum score: 4
Score
Risk of C5 Palsy
2%
6%
15%
3
40%
4
70%
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Specialty: Neurology
