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This article reviews the literature concerning rheu-matic manifestations of inflammatory bowel disease (IBD),including common immune-mediated pathways,frequency,clinical course and therapy. Musculoskel-etal complications are frequent and well-recognized manifestations in IBD,and affect up to 33% of pa-tients with IBD. The strong link between the bowel and the osteo-articular system is suggested by many clinical and experimental observations,notably in HLA-B27 transgenic rats. The autoimmune pathogenic mechanisms shared by IBD and spondyloarthropathies include genetic susceptibility to abnormal antigen pre-sentation,aberrant recognition of self,the presence of autoantibodies against specific antigens shared by the colon and other extra-colonic tissues,and increased intestinal permeability. The response against microor-ganisms may have an important role through molecular mimicry and other mechanisms. Rheumatic mani-festations of IBD have been divided into peripheral arthritis,and axial involvement,including sacroiliitis,with or without spondylitis,similar to idiopathic anky-losing spondylitis. Other periarticular features can oc-cur,including enthesopathy,tendonitis,clubbing,peri-ostitis,and granulomatous lesions of joints and bones.Osteoporosis and osteomalacia secondary to IBD and iatrogenic complications can also occur. The manage-ment of the rheumatic manifestations of IBD consists of physical therapy in combination with local injection of corticosteroids and nonsteroidal anti-inflammatory drugs; caution is in order however,because of their possible harmful effects on intestinal integrity,perme-ability,and even on gut inflammation. Sulfasalazine,methotrexate,azathioprine,cyclosporine and lefluno-mide should be used for selected indications. In some cases,tumor necrosis factor-α blocking agents should be considered as first-line therapy.
This article reviews the literature concerning rheu-matic manifestations of inflammatory bowel disease (IBD), including common immune-mediated pathways, frequency, clinical course and therapy. Musculoskel-etal complications are frequent and well-recognized manifestations in IBD, and affect up to The strong link between the bowel and the osteo-articular system is suggested by many clinical and experimental observations, notably in HLA-B27 transgenic rats. The autoimmune pathogenic mechanisms shared by IBD and spondyloarthropathies include genetic susceptibility to abnormal antigen pre-sentation, aberrant recognition of self, the presence of autoantibodies against specific antigens shared by the colon and other extra-colonic tissues, and increased intestinal permeability. The response against microor-ganisms may have an important role through molecular mimicry and other mechanisms. Rheumatic mani-festations of IBD have been divided into peripheral arthritis, and axial i Similar to idiopathic anky-losing spondylitis. Other periarticular features can oc-cur, including enthesopathy, tendonitis, clubbing, peri-ostitis, and granulomatous lesions of joints and bones. Osteoporosis and osteomalacia secondary to IBD and iatrogenic complications can also occur. The manage-ment of the rheumatic manifestations of IBD consists of physical therapy in combination with local injection of corticosteroids and nonsteroidal anti-inflammatory drugs; caution is in order however, because of their possible harmful effects on intestinal integrity, perme-ability, and even on gut inflammation. Sulfasalazine, methotrexate, azathioprine, cyclosporine and lefluno-mide should be used for selected indications. In some cases, tumor necrosis factor-alpha blocking agents should be considered as first-line therapy.