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Published on: November 27, 2019
Changing epidemiology of acute liver failure in Italy: a single-center experience over 25 years
Pietro Amoroso1, Salvatore Buonocore2, Gennaro Lettieri2
1Department of Infectious Diseases, D. Cotugno Hospital, Naples, Italy - pietro.amoroso@gmail.com.
Background:
Acute liver failure (ALF) is a rare but often lethal syndrome. In Italy, recent data on its incidence and causes are lacking. We report here the epidemiological analysis of ALF cases observed in Campania, a Southern Italian region, over the last 25 years.
Methods:
Medical records of ALF cases hospitalized from 1992 to 2018 were retrospectively analyzed.
Results:
Two hundred ten ALF cases occurred during 1992-2018: 103 (49%) hepatitis B virus (HBV)-related (including 5 cases also infected with Delta virus), 39 (19%) from undetermined cause, 36 (17%) drug-induced, 11 (5%) Wilson's disease-associated, 8 (4%) hepatitis A virus (HAV)-related and 12 (6%) from other causes. Separate time-periods analysis of data showed a significant progressive decrease in ALF incidence mainly attributable to a decline of HBV and other viruses etiology. Already before 2010, HAV or Delta virus-related cases have no longer been observed. No hepatitis C or E virus-related ALF was detected through the study period. A progressive decrease in frequency of ALF due to undetermined causes or drug was also evident.
Conclusions:
A decrease in ALF incidence and a changing in its etiology were observed in Campania during 1992-2018. Both results were likely mainly due to 1991 introduction of HBV universal vaccination and may be considered generalizable nationwide.
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