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Celiac disease (CD) is a small intestine immune-mediated disorder triggered by gluten ingestion in genetically predisposed patients. This condition can also affect many extraintestinal tissues, including the liver. We report a patient presenting with a marked increase of transaminases at diagnosis of CD. The immune markers for autoimmune hepatitis (AIH) were negative. Following a few months of a strict gluten-free diet (GFD), aminotransferase levels decreased significantly (< 2.5x U/L). The response to GFD suggested that the liver damage was [due to a gluten-dependent celiac hepatitis, the most common liver abnormality in CD. Despite the fact that the patient never stopped the GFD, yet, in a few months, the aminotransferase levels raise again to high values (> 50x U/L). At this time, the liver autoantibodies turned to be positive thus confirming the development of a type 1 AIH. The hepatic damage progressed to a late onset liver failure requiring liver transplantation. [ABSTRACT FROM AUTHOR]

Objectives: The long-term consequences of COVID-19 infection on the gastrointestinal tract remain unclear. Here, we aimed to evaluate the prevalence of gastrointestinal symptoms and post-COVID-19 disorders of gut-brain interaction after hospitalisation for SARS-CoV-2 infection., Design: GI-COVID-19 is a prospective, multicentre, controlled study. Patients with and without COVID-19 diagnosis were evaluated on hospital admission and after 1, 6 and 12 months post hospitalisation. Gastrointestinal symptoms, anxiety and depression were assessed using validated questionnaires., Results: The study included 2183 hospitalised patients. The primary analysis included a total of 883 patients (614 patients with COVID-19 and 269 controls) due to the exclusion of patients with pre-existing gastrointestinal symptoms and/or surgery. At enrolment, gastrointestinal symptoms were more frequent among patients with COVID-19 than in the control group (59.3% vs 39.7%, p<0.001). At the 12-month follow-up, constipation and hard stools were significantly more prevalent in controls than in patients with COVID-19 (16% vs 9.6%, p=0.019 and 17.7% vs 10.9%, p=0.011, respectively). Compared with controls, patients with COVID-19 reported higher rates of irritable bowel syndrome (IBS) according to Rome IV criteria: 0.5% versus 3.2%, p=0.045. Factors significantly associated with IBS diagnosis included history of allergies, chronic intake of proton pump inhibitors and presence of dyspnoea. At the 6-month follow-up, the rate of patients with COVID-19 fulfilling the criteria for depression was higher than among controls., Conclusion: Compared with controls, hospitalised patients with COVID-19 had fewer problems of constipation and hard stools at 12 months after acute infection. Patients with COVID-19 had significantly higher rates of IBS than controls., Trial Registration Number: NCT04691895., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2022. No commercial re-use. See rights and permissions. Published by BMJ.)