Table 1.
The ELSO Criteria for Identifying Major and Minor Bleeding Events
| Severity of Bleeding | Criteria |
|---|---|
| Major bleeding | Clinically overt bleeding is associated with any of the following: Hemoglobin falls of at least 2 g/dL in 24 hours A greater than 20 mL/kg over 24 hours Transfusion requirement of 1 or more 10 mL/kg PRBC transfusions over that same period Retroperitoneal bleeding. Pulmonary bleeding. Intracranial bleeding. Bleeding that requires surgical intervention. |
| Minor bleeding | A less than 20 mL/kg/d requires transfusion of one 10 mL/kg PRBCs transfusion or less. |
Developed from The ELSO Anticoagulation Guideline.9
Abbreviations: ELSO, extracorporeal life support organization; PRBC, packed red blood cell.