BACKGROUND Acute exacerbation in patients with chronic hepatitis B virus (HBV) infection results in different severities of liver injury. The risk factors related to progression to hepatic decompensation (HD) and acute-on-chronic liver failure (ACLF) in patients with severe acute exacerbation (SAE) of chronic HBV infection remain unknown. AIM To identify risk factors related to progression to HD and ACLF in compensated patients with SAE of chronic HBV infection. METHODS The baseline characteristics of 164 patients with SAE of chronic HBV infection were retrospectively reviewed. Independent risk factors associated with progression to HD and ACLF were identified. The predictive values of our previously established prediction model in patients with acute exacerbation (AE model) and the model for end-stage liver disease (MELD) score in predicting the development of ACLF were evaluated. RESULTS Among 164 patients with SAE, 83 (50.6%) had compensated liver cirrhosis (LC), 43 had progression to HD without ACLF, and 29 had progression to ACLF within 28 d after admission. Independent risk factors associated with progression to HD were LC and low alanine aminotransferase. Independent risk factors for progression to ACLF were LC, high MELD score, high aspartate aminotransferase (AST) levels, and low prothrombin activity (PTA). The area under the receiver operating characteristic of the AE model [0.844, 95% confidence interval (CI): 0.779-0.896] was significantly higher than that of MELD score (0.690, 95%CI: 0.613-0.760, P < 0.05) in predicting the development of ACLF. CONCLUSION In patients with SAE of chronic HBV infection, LC is an independent risk factor for progression to both HD and ACLF. High MELD score, high AST, and low PTA are associated with progression to ACLF. The AE model is a better predictor of ACLF development in patients with SAE than MELD score.
Rationale:Acute liver failure (ALF) induced by amatoxin-containing mushrooms accounts for more than 90% of deaths in patients suffering from mushroom poisoning. However, due to the fact that most hospitals cannot identify the species of mushrooms involved, or detect amatoxins, the early diagnosis of amatoxin intoxication remains a significant challenge in clinical practice.Patient concerns:Two patients were had ingested wild mushrooms 15 hours before admission. Six hours prior to admission they experienced nausea, vomiting, weakness, abdominal pain and diarrhea. The species of mushrooms they had consumed could not be identified.Diagnoses:According to their delayed gastroenteritis, the two patients were clinically diagnosed with amatoxin poisoning. One week after the patients were discharged, the species of the mushrooms was identified as Amanita fuliginea and the diagnosis was confirmed.Interventions:The two patients were treated with silibinin, penicillin G and plasma exchange.Outcomes:Although the two patients progressed to ALF they fully recovered and were discharged on day 10 after admission.Lessons:Our case reports suggested that patients with unidentified wild mushroom intoxication with delayed gastroenteritis could be clinically diagnosed with amatoxin poisoning; in such cases, liver coagulation function should be frequently evaluated. Early diagnosis and treatment are crucial for survival in patients with ALF induced by amatoxin poisoning.
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