BMC research notes · 2015
Hepatotropic viruses as etiological agents of acute liver failure and related-outcomes among children in India: a retrospective hospital-based study.
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Pandit Anand, Mathew Leni Grace, Bavdekar Ashish, Mehta Shailesh, Ramakrishnan Gunasekaran, Datta Sanjoy, Liu Yan Fang
Аннотация
BACKGROUND: Acute liver failure (ALF) is marked by a sudden loss of hepatic function and is associated with a high mortality rate in children. The etiology of ALF is shown to vary geographically. This study assessed the frequency of hepatotropic viruses as etiological agents of ALF in Indian children.
METHODS: This retrospective study enrolled children aged 0-18 years with confirmed ALF admitted to Christian Medical College, Vellore and King Edward Memorial Hospital and Research Center, Pune between January 2003 and December 2005. The frequency of hepatotropic viruses as etiological agents in children with ALF aged ≤18 years was calculated with 95% confidence interval (CI). Descriptive analyses of demographic characteristics, clinical signs and symptoms of ALF, choice of treatment and outcomes were performed.
RESULTS: Of 76 children enrolled, 54 were included in the per-protocol analyses. Mean age of children with ALF was 5.43 years (standard deviation = 3.62); 51.9% (28/54) were female. The percentage of children positive for anti-hepatitis A virus (HAV) IgM and hepatitis B surface antigen was 65.9% (27/41; 95% CI 49.4-79.9) and 15.9% (7/44; 95% CI 6.6-30.1), respectively. The final cause of ALF was HAV (36.3%) followed by hepatitis B virus (HBV; 8.8%). Before and during admission, encephalopathy was observed in 77.8% (42/54) and 63.0% (34/54) of children, respectively. A high number of children (46/54; 85.2%) required intensive care and ALF was fatal in 24.1% (13/54). The proportion of deaths due to HAV and HBV was 18.5% (5/27) and 57.1% (4/7), respectively.
CONCLUSIONS: HAV and HBV were the most common etiological agents of ALF in Indian children. Primary prevention by vaccination against HAV and HBV in young children may be useful in the prevention of ALF due to viral hepatitis in India.
METHODS: This retrospective study enrolled children aged 0-18 years with confirmed ALF admitted to Christian Medical College, Vellore and King Edward Memorial Hospital and Research Center, Pune between January 2003 and December 2005. The frequency of hepatotropic viruses as etiological agents in children with ALF aged ≤18 years was calculated with 95% confidence interval (CI). Descriptive analyses of demographic characteristics, clinical signs and symptoms of ALF, choice of treatment and outcomes were performed.
RESULTS: Of 76 children enrolled, 54 were included in the per-protocol analyses. Mean age of children with ALF was 5.43 years (standard deviation = 3.62); 51.9% (28/54) were female. The percentage of children positive for anti-hepatitis A virus (HAV) IgM and hepatitis B surface antigen was 65.9% (27/41; 95% CI 49.4-79.9) and 15.9% (7/44; 95% CI 6.6-30.1), respectively. The final cause of ALF was HAV (36.3%) followed by hepatitis B virus (HBV; 8.8%). Before and during admission, encephalopathy was observed in 77.8% (42/54) and 63.0% (34/54) of children, respectively. A high number of children (46/54; 85.2%) required intensive care and ALF was fatal in 24.1% (13/54). The proportion of deaths due to HAV and HBV was 18.5% (5/27) and 57.1% (4/7), respectively.
CONCLUSIONS: HAV and HBV were the most common etiological agents of ALF in Indian children. Primary prevention by vaccination against HAV and HBV in young children may be useful in the prevention of ALF due to viral hepatitis in India.