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Description

Luft et al used the Endothelial Activation and Stress Index (EASIX) to evaluate patients with graft-versus-host disease after allogeneic stem-cell transplants. The score can be used in other conditions such as prediction of cytokine release syndrome following CAR-T therapy. It was subsequently modified by Pennisi et al.


Original parameters:

(1) serum LDH in U/L

(2) serum creatinine in mg/dL

(3) platelet count in 10^9/L

(4) serum CRP in mg/L

 

EASIX =

= (serum LDH) * (serum creatinine) / (platelet count)

 

modified EASIX = m-EASIC =

= (serum LDH) * (CRP) / (platelet count)

 

simplified EASIX = s-EASIX =

= (serum LDH) / (platelet count)

 

Interpretation:

• The m-EASIX is able to identify a patient who will develop severe cytokine release syndrome before the onset of severe symptoms. The median m-EASIX at lymphodepletion was 26.3 (range 13.7 to 52.39).

• The EASIX and s-EASIX prior to lymphodepletion were associated with CRS grade >=3. The cutoffs were 1.85 for EASIX and 2.134 for s-EASIX.

 


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