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Chronic hepatitis in childhood Modes of presentation

Chronic hepatitis in childhood Modes of presentation. Acute onset jaundice and persisting Gradual development of signs of liver disease Asymptomatic finding of enlarged liver . The child with acute onset jaundice but not otherwise ill. Unconjugated hyperbilirubinaemia: Haemolysis

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Chronic hepatitis in childhood Modes of presentation

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  1. Chronic hepatitis in childhoodModes of presentation • Acute onset jaundice and persisting • Gradual development of signs of liver disease • Asymptomatic finding of enlarged liver

  2. The child with acute onset jaundice but not otherwise ill • Unconjugated hyperbilirubinaemia: Haemolysis • Conjugated hyperbilirubinaemia: Mostly Hepatitis A, B, C Also Gall stones, Extrahepatic obstruction including worms in bile duct

  3. Acute onset jaundice and seriously ill Consider the following an emergency: • Bleeding tendency • Confused or abnormal level of consciousness • Toxic or high fevers

  4. Chronic Liver Disease • History of prior acute liver disease : jaundice symptoms suggesting liver dysfunction • Examination findings Poor growth Signs of liver dysfunction hepato/ + splenomegaly portal hypertension

  5. Chronic Liver Disease • Tests of liver dysfunction Synthesis Detoxification Excretion Maintenance of fasting glucose Cell Integrity : enzymes • Tests for aetiology Hepatitis viruses Auto-immunity Wilsons disease • Tests for evidence and complications of portal hypertension • Histology Inflammation, Necrosis, Fibrosis, Regeneration Storage and Infiltration

  6. Hepatitis Inflammation of the liver is caused by : • Infection Viral Hep A,B,C,D,E,F,G; Others Parasitic Bacterial • Toxins/drugs • Immune/auto-immune • Metabolic conditions eg Wilsons disease

  7. Chronic hepatitis • Chronic persistent hepatitis Persisting inflammation Gradual improvement • Chronic active hepatitis Auto-immune Hepatitis B, C Often progress to cirrhosis

  8. Chronic active hepatitis • Acute onset or non-specific malaise • Jaundice • Hepatosplenomegaly • Cutaneous features of chronic liver disease spider angiomata, striae, acne • Extrahepatic manifestations of auto-immunity arthritis, haemolytic anaemia,IBD etc

  9. Chronic active hepatitis • Transaminases and bilirubin elevated • Decreased serum albumen • Elevated serum globulin • Auto-antibodies often present esp in HBsAg negative patients Smooth muscle antibodies Liver Kidney Antibody Antinuclear antibody Rheumatoid factor • Liver biopsy confirms

  10. Management • Chronic hepatitis B : Alpha Interferon • Auto-immune hepatitis: steroids, azathioprine • Dietary support: Energy, vitamins • Avoid hepatotoxic medications • Monitor for development of cirrhosis

  11. Cirrhosis • Normal liver architecture replaced by nodules of regenerating tissue surrounded by fibrous tissue. • End stage of many different conditions. • Progressive disease resulting in liver failure. • Rate of progression variable. • Clinical features of underlying condition portal hypertension chronic liver disease

  12. Cirrhosis • Biliary cirrhosis Biliary atresia or obstruction Cystic fibrosis • Post-necrotic cirrhosis Post hepatitis Venous congestion • Genetic diseases Wilson’s disease Galactosaemia

  13. Portal hypertension • Pre-hepatic Portal or splenic vein obstruction • Intrahepatic pre-sinusoidal Schistosomiasis • Intrahepatic pre-and post-sinusoidal Chronic hepatitis Cirrhosis Congenital hepatic fibrosis Veno-occlusive disease • Post-hepatic Budd-Chiari syndrome IVC obstruction Pericarditis or heart failure

  14. Clinical effects of portal hypertension • Splenic enlargement and hypersplenism Anaemia Thrombocytopaenia Leukopaenia • Pressure-mediated effects in portal vessels Collateral vessel enlargement and bleeding Oesophageal varices Hydrostatic effects Ascites and abdominal distension • Clinical features of the underlying liver disease

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