“…Interestingly, in association with active bowel disease, family history of IBD, appendectomy, cigarette smoking, they are potential risk factors for arthritis in IBD patients [Manguso et al 2004[Manguso et al , 2005. Acute anterior uveitis, aortic insufficiency and cardiac conduction disturbances are described with a frequency of 25%, 4-10% and 3-9%, respectively [Peluso et al 2014]. They seem to be related to disease duration, axial joint involvement and to HLA-B27 positivity [Bergfeldt, 1997].…”