Acute Viral Hepatitis in Spain

J Llaneras et al. Clin Gastroenterol Hepatol 2021; 19: 1030-37. Etiologies and Features of Acute Viral Hepatitis in Spain

This prospective study of adults collected data from an emergency room of an academic hospital in Barcelona (2014-2018).

Key findings:

  • The most common etiologies of acute hepatitis were HBV infection (28%), HEV infection (18%), HCV infection (17%), and HAV infection (14%)
  • Approximately one-third of acute hepatitis cases were in immigrants
  • The main risk factors of the cohort were sexual risk contact and intravenous drug use; 79% of cases of HAV had sexual risk behavior
  • Chronic infections developed in 5/28 patients (18%) with acute HBV infection and 7/17 patients (41%) with acute HCV infection 
The graphical abstract breaks down features for the most common etiologies:
HBV (blue) 28%, HEV (purple-pink) 18%, HCV (maroon) 17%, and HAV (light green) 14%.

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