Kobayashi reported a score for patients with obstetrical disseminated intravascular coagulation (DIC). This is composed of several parts including laboratory findings. The author is from Hamamatsu Medical Center in Shizuoka, Japan.
Patient selection: pregnant woman
Parameters:
(1) serum fibrin degradation products (FDP) in µg/mL
(2) platelet count per µL
(3) fibrinogen in mg/dL
(4) PT time in seconds (or INR)
(5) ESR in mm per hour
(6) bleeding time in minutes
(7) other coagulation defects (low antithrombin, reduced coagulation factors)
Parameter
Finding
Points
serum FDP
< 10 µg/mL
0
>= 10 µg/mL
1
platelet count
> 100,000 per µL
0
<= 100,000 per µL
1
fibrinogen
> 150 mg/dL
0
<= 150 mg/dL
1
PT
< 15 seconds
0
> 15 seconds
1
ESR
> 15 mm in first hour
0
<= 15 mm in first hour
1
bleeding time
< 5 minutes
0
>= 5 minutes
1
other coagulation factors
normal
0
decreased
1
where:
• The bleeding time is rarely used today.
• Measurement of other coagulation defects may not be readily available.
laboratory subscore =
= SUM(points for all 7 parameters)
Interpretation:
• minimum score: 0
• maximum score: 7
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