1. Persistent Hyperammonemia Is Associated With Complications and Poor Outcomes in Patients With Acute Liver Failure 
Ramesh Kumar, Shalimar, Hanish Sharma, Shyam Prakash, Subrat Kumar Panda, Shankar Khanal, Subrat Kumar Acharya 
Clinical Gastroenterology and Hepatology 
Volume 10, Issue 8, Pages (August 2012)
DOI: /j.cgh
Copyright © 2012 AGA Institute Terms and Conditions

2. Figure 1
Kaplan–Meier plots showing 2-week survival (%) in ALF patients stratified according to severity of baseline ammonia (levels ≥122 and <122 μmol/L, A) or persistent hyperammonemia; (B) persistent levels ≥122 μmol/L for 3 days (subgroup A), and declining levels to <122 μmol/L by 3 days (subgroup B); and (C) persistent levels ≥85 μmol/L for 3 days (subgroup C), and low declining levels <85 μmol/L for 3 days (subgroup D).
Clinical Gastroenterology and Hepatology  , DOI: ( /j.cgh )
Copyright © 2012 AGA Institute Terms and Conditions

3. Figure 2
Serial arterial ammonia levels in patients with CE at presentation (A, n = 116) or without CE at presentation (B, n = 179). Serial ammonia levels in patients presenting with early HE (C, n = 81) and advanced HE (D, n = 214). Serial arterial ammonia levels in patients with or without documented infection (E).
Clinical Gastroenterology and Hepatology  , DOI: ( /j.cgh )
Copyright © 2012 AGA Institute Terms and Conditions