A 23-year-old woman had lower abdominal pain, diarrhea and bloody stool was admitted and given a diagnosis of influenza B. Her home doctor had started treatment by neuraminidase inhibitor (oseltamivir) the previous day. Colonoscopic examination revealed an area of hemorrhage and erosion in the left transverse colon. After halting oseltamivir treatment these symptoms disappeared and her colonoscopic findings improved. A drug-induced lymphocyte stimulation test was positive for oseltamivir. This case is the first reported case of acute hemorrhagic colitis induced by oseltamivir.
Download full-text PDF |
Source |
---|
J Extracell Vesicles
January 2025
Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.
Parasitic helminths secrete extracellular vesicles (EVs) into their host tissues to modulate immune responses, but the underlying mechanisms are poorly understood. We demonstrate that Ascaris EVs are efficiently internalised by monocytes in human peripheral blood mononuclear cells and increase the percentage of classical monocytes. Furthermore, EV treatment of monocytes induced a novel anti-inflammatory phenotype characterised by CD14, CD16, CC chemokine receptor 2 (CCR2) and programmed death-ligand 1 (PD-L1) cells.
View Article and Find Full Text PDFWorld J Gastroenterol
January 2025
Department of Gastroenterology and Liver Services, Concord Repatriation General Hospital, Sydney 2139, New South Wales, Australia.
Background: Ulcerative colitis (UC) is a chronic inflammatory condition requiring continuous treatment and monitoring. There is limited pharmacokinetic data on vedolizumab during maintenance therapy and the effect of thiopurines on vedolizumab trough concentrations is unknown.
Aim: To investigate the exposure-response relationship of vedolizumab and the impact of thiopurine withdrawal in UC patients who have achieved sustained clinical and endoscopic remission during maintenance therapy.
Prz Gastroenterol
December 2024
Department of Infectious Diseases, Hepatology and Liver Transplantation, Pomeranian Medical University, Szczecin, Poland.
Introduction: Primary sclerosing cholangitis (PSC) is an uncommon, chronic liver disease characterised by fibrosis and strictures of a bile ducts, causing cholestasis. In the long term it can lead to complete stenosis leading in turn to liver cirrhosis. In patients with severe form of the disease, the recommended treatment is liver transplantation.
View Article and Find Full Text PDFNephrology (Carlton)
January 2025
School of Pharmacy, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia.
The symptom of macroscopic or 'visible' haematuria can cause significant patient distress, largely due to its' potential association with urinary tract malignancy, infection or glomerular disease. This lesson from practice describes the case of a 19-year-old female patient for whom the cause of red/brown urinary discolouration was found to relate to a reaction between renally excreted mesalazine and domestic bleach in the toilet bowel. Recognition of this phenomenon in patients taking mesalazine for inflammatory colitis is important to minimise patient distress and unnecessary investigation for a urinary tract cause.
View Article and Find Full Text PDFMedicine (Baltimore)
November 2024
Department of Gastroenterology, Ruikang Hospital of Guangxi Traditional Chinese Medical University, Nanning, Guangxi, China.
Inflammatory bowel disease (IBD), encompassing Crohn disease and ulcerative colitis, is a group of persistent and recurrent gastrointestinal disorders. Despite the prevalence of these conditions, no studies have been conducted to examine the connection between altered human blood cell phenotypes and the underlying mechanisms of IBD pathogenesis. By utilizing summary statistics from genome-wide association studies, we executed a systematic two-sample Mendelian randomization (MR) investigation on 91 genetically determined blood cell perturbation traits in relation to 3 separate IBD phenotypes.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!