Journal of hepato-biliary-pancreatic sciences · 2016
High level of persistent liver injury is one of clinical characteristics in treatment-naïve acute onset autoimmune hepatitis: experience in a community hospital.
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Fujiwara Keiichi, Fukuda Yoshihiro, Seza Katsushi, Saito Masaya, Yasui Shin, Nakano Masayuki, Yokosuka Osamu
Аннотация
BACKGROUND: There is, as yet, no gold standard for making the diagnosis of acute onset autoimmune hepatitis (A-AIH). Novel histological characteristics have been reported, but etiologies other than AIH could show similar histological pattern. We attempted to determine what clinical characteristics we should consider as A-AIH different from other etiologies, and to whom histological characteristics should be applied for the diagnosis.
METHODS: Clinical, biochemical, immunological and pathological features of 46 patients (35 women, mean age 55.9 ± 14.2 years) with non-severe A-AIH admitted to a community hospital between 2001 and 2015 were analyzed.
RESULTS: Immunoglobulin G level was normal in 28%, and anti-nuclear antibody titer was < × 80 in 28%. Liver histology of 49% showed acute form and 51% chronic one. Centrilobular necrosis/collapse and/or plasma cell accumulation, rosette formation were characteristic for A-AIH. High levels of alanine aminotransferase persisted in 21 patients who could be observed for equal to or more than 4 weeks before the start of treatment.
CONCLUSIONS: Long persistence of high levels of alanine aminotransferase would be one of clinical features for considering A-AIH along with conventional features. Histological diagnostic features should be applied for such patients. Guidelines for diagnosing A-AIH should be urgently drawn up.
METHODS: Clinical, biochemical, immunological and pathological features of 46 patients (35 women, mean age 55.9 ± 14.2 years) with non-severe A-AIH admitted to a community hospital between 2001 and 2015 were analyzed.
RESULTS: Immunoglobulin G level was normal in 28%, and anti-nuclear antibody titer was < × 80 in 28%. Liver histology of 49% showed acute form and 51% chronic one. Centrilobular necrosis/collapse and/or plasma cell accumulation, rosette formation were characteristic for A-AIH. High levels of alanine aminotransferase persisted in 21 patients who could be observed for equal to or more than 4 weeks before the start of treatment.
CONCLUSIONS: Long persistence of high levels of alanine aminotransferase would be one of clinical features for considering A-AIH along with conventional features. Histological diagnostic features should be applied for such patients. Guidelines for diagnosing A-AIH should be urgently drawn up.