Suphathamwit et al reported a score for immediate extubation after liver transplant surgery. The authors are from Mahidol University and Siriaj Hospital in Bangkok.
Parameters:
(1) packed red blood cell transfusion volume in mL
(2) MELD score
(3) inotropes needed at the end of operation
Parameter
Finding
Points
packed RBCs
<= 1,600 mL
1
> 1,600 mL
0
MELD score
<= 25
2
> 25
0
inotrope therapy
no
2
yes
0
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 5
• A score of 5 predicts safe immediate extubation.
• A patient who could not be immediately extubated is at risk for a range of postoperative complications.
Performance:
• The area under the ROC curve is 0.78.
• A score of 5 had a sensitivity of 0.61 and specificity of 0.80 for safe extubation.
• A score >= 4 had a sensitivity of 0.87 and specificity of 0.54.
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