Description

The United Network for Organ Sharing (UNOS) has developed a grading scheme based on disease severity for patients awaiting liver transplantation.


 

Status 1: Fuliminant liver failure, with life expectancy < 7 days

(includes primary graft nonfunction < 7 days after transplantation, hepatic artery thrombosis < 7 days after transplantation, and acute decompensated Wilson's disease)

 

Status 2A – All of the following:

(2A1) Hospitalized in the intensive care unit (ICU) for chronic liver failure

(2A2) life expectancy < 7 days

(2A3) Child-Pugh score: >= 10

(2A4) one or more of the following:

(2A4a) unresponsive acute variceal hemorrhage

(2A4b) hepatorenal syndrome

(2A4c) refractory ascites

(2A4d) refractory hepatic hydrothorax

(2A4e) stage 3 or 4 hepatic encephalopathy

 

Status 2B - One or more of the following:

(2B1) Requires continuous medical care AND Child-Pugh score: >= 10

(2B2) Requires continuous medical care AND Child-Pugh score: >= 7 AND one or more of the following:

(2B2a) unresponsive acute variceal hemorrhage

(2B2b) hepatorenal syndrome

(2B2c) refractory ascites

(2B2d) refractory hepatic hydrothorax

(2B2e) spontaneous bacterial peritonitis

(2B3) presence of hepatocellular carcinoma

 

Status 3 - All of the following:

(3a) requires continuous medical care

(3b) Child-Pugh score: >= 7

(3c) not status 1 or 2

 

Status 7: Does not require continuous medical care (temporarily inactive)

 

where:

• The Child-Pugh score ranges from 5 to 15 (see above).

 


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