A case of septic arthritis in multiple joints due to Bacteroides fragilis in a patient with rheumatoid arthritis. 1978

A C Ryeén, and A Schean, and B O Agell

A case of arthritis in multiple joints due to B. fragilis ssp. fragilis is described. The patient was a 55-year-old man badly disabled by rheumatoid arthritis. The patient's immune response to the isolated strain was studied and a significant titre reduction during the course of the disease was observed. The serum antibodies of the patient cross-reacted with heterologous strains of B. fragilis ssp. fragilis. It is suggested that indirect immunofluorescence tests against a certain number of B. fragilis strains could be performed with serum from a patient in whom an infection with B. fragilis is suspected.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D003429 Cross Reactions Serological reactions in which an antiserum against one antigen reacts with a non-identical but closely related antigen. Cross Reaction,Reaction, Cross,Reactions, Cross
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000907 Antibodies, Bacterial Immunoglobulins produced in a response to BACTERIAL ANTIGENS. Bacterial Antibodies
D001170 Arthritis, Infectious Arthritis caused by BACTERIA; RICKETTSIA; MYCOPLASMA; VIRUSES; FUNGI; or PARASITES. Arthritis, Bacterial,Arthritis, Septic,Arthritis, Viral,Arthritides, Bacterial,Arthritis, Suppurative,Bacterial Arthritides,Bacterial Arthritis,Infectious Arthritis,Suppurative Arthritis,Septic Arthritis,Viral Arthritis
D001172 Arthritis, Rheumatoid A chronic systemic disease, primarily of the joints, marked by inflammatory changes in the synovial membranes and articular structures, widespread fibrinoid degeneration of the collagen fibers in mesenchymal tissues, and by atrophy and rarefaction of bony structures. Etiology is unknown, but autoimmune mechanisms have been implicated. Rheumatoid Arthritis
D001441 Bacteroides fragilis Gram-negative bacteria occurring in the lower intestinal tracts of man and other animals. It is the most common species of anaerobic bacteria isolated from human soft tissue infections.
D001442 Bacteroides Infections Infections with bacteria of the genus BACTEROIDES. Infections, Bacteroides,Bacteroides Infection,Infection, Bacteroides

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