Abacioglu et al reported the MAPH score for identifying a STEMI patient with a high thrombus burden. The authors are from Hacettepe University, Usak University, and affiliated hospitals in Turkey.
MAPH is based on the first letter of the 4 parameters.
Patient selection: STEMI
Parameters:
(1) MPV in fL
(2) age in years
(3) protein, total, in g/L
(4) hematocrit in percent
Parameter
Finding
Points
MPV
<= 9.2 fL
0
> 9.2 fL
1
age in years
<= 51 years
0
> 51 years
1
total protein
<= 67 g/L
0
> 67 g/L
1
hematocrit
<= 45.9%
0
> 45.9%
1
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 4
• A score of 3 or 4 is associated with a high thrombus load.
Performance:
• The area under the ROC curve is 0.84.
• A cutoff > 2 has a sensitivity of 0.56 and specificity 0.92 for high thrombus load.
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