Alex Cañas-Ventura, Lucia Márquez, Elena Ricart, Eugeni Domènech, Javier P Gisbert, Valle García-Sanchez, Ignacio Marín-Jiménez, Francisco Rodriguez-Moranta, Fernando Gomollón, Xavier Calvet, Olga Merino, Esther Garcia-Planella, Narcis Vázquez-Romero, Maria Esteve, Marisa Iborra, Ana Gutiérrez, Maribel Vera, Montserrat Andreu
BACKGROUND AND AIMS: Little is known about the risk factors of colectomy in patients with ulcerative colitis (UC) under thiopurine treatment. The aim of the study was to determine the prevalence and the predictive risk factors of colectomy in an extensive cohort of patients with UC treated with thiopurines in Spain. METHODS: Among 5753 UC patients, we identified those diagnosed between 1980 and 2009 and treated with azathioprine or mercaptopurine (AZA/MP). We analyzed the age at diagnosis, familial history of IBD, extraintestinal manifestations (EIMs), disease extent, smoking status and treatment requirements (AZA/MP, cyclosporine (CsA) or anti-TNFα)...
October 2014: Journal of Crohn's & Colitis