This retrospective study will be conducted on medical files. Patients will be mainly selected on :~A proved osteoarticular infection (OAI) diagnosed in the department of rheumatology of the René Dubos hospital from 1° January 2010 to 31 December 2020.~Adult patients 18 year's old or older~Infection proved by positive culture in the osteoarticular site and/or blood (with typical clinical and imaging features)~The followed OAI are not included :~Infection on prosthetic joint, materiel ; post-operative OAI ; osteomyelitis~Brucellosis ; Lyme disease~Patients are selected from the codification of the hospitalization ; medical files are reviewed by the investigators.~OAI of urinary origin is defined either by the same micro-organism in urine and osteo-articular sample (or blood) or a bacteria in the osteo-articular sample in conjunction with : urologic pathology, recurrent urinary tract infection, urologic surgery, antibiotic therapy.~Characteristics of three populations will be compared :~- OAI of urinary origin~- OAI of another origin (skin, etc)~- OAI without known origin Characteristics include : gender, age, risk factors, site of osteo-articular infection, type of micro-organism, type of positive sample(s), blood cultures, urinary cultures, duration of symptoms, site of primary infection and/or type of contamination, biological results, echocardiography, imaging results, type of treatment (medical, surgical), outcome, duration of hospitalization, intensive unit care stay, death at hospital.
Retrospective study of patients with a proved non-tuberculous osteoarticular infection (OAI) diagnosed in a rheumatology department during the years 2010-2020. The objectives are :~To describe sites, type of micro-organism, clinical data, origin of infection, therapeutic modalities et outcome~To compare OAI of urinary origin with those with another origin