Scantling et al reported the Trach Score for evaluating a patient with a cervical spinal cord injury. This can help to identify a patient who may require prolonged ventilatory support. The authors are from Hahnemann University Hospital and Drexel University in Philadelphia.
Patient selection: cervical spinal cord injury
Parameters:
(1) injury severity score (ISS)
(2) C1 to C4 motor injury
(3) type of cord injury in C1 to C7
Parameter
Finding
Points
ISS
< 38
0
>= 38
1
C1 to C4 motor injury
no
0
yes
1
type of injury
complete
1
anterior
1
other
0
trach score =
= SUM(points for all 3 parameters)
Interpretation:
• minimum score: 0
• maximum score: 3
• The higher the score the greater the risk of needing prolonged ventilatory support.
Score
>= 7 Day Ventilator Support
0
33%
1
67%
2
85%
3
98%
Performance:
• The area under the ROC curve is 0.77.
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