UDPB (Universal Definition of Perioperative Bleeding) criteria can be used to define the severity of perioperative bleeding.
Patient selection: open-heart surgery
Parameters:
(1) delayed sternal closure
(2) postoperative chest tube drainage over the first 12 hours in mL
(3) number of units of packed red blood cells (PRBCs)
(4) number of units of fresh frozen plasma (FF)
(5) units of platelets
(6) number of units of cryoprecipitate
(7) prothrombin complex concentrate
(8) recombinant Factor 7a
(9) re-exploration or tamponade
Insignificant (Class 0)
Mild (Class 1)
Moderate (Class 2)
delayed closure
no
chest tube drainage
<= 600
601-800
801-1000
units PRBCs
0
1
2-4
units FFP
units platelets
No
Yes
units cryoprecipitate
prothrombin complex
recombinant Factor 7a
re-exploration or tamponade
Severe (Class 3)
Massive (Class 4)
N/A
1001 to 2000
> 2000
5-10
>10
> 10
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Specialty: Cardiology, Surgery, general
