The incidence of posttraumatic osteomyelitis (PTO) is increasing in spite of new surgical techniques and development of new antimicrobial therapies. It has been difficult to assess outcomes of PTO because of the numerous risk factors involving the patients, trauma characteristics, surgical conditions, diversity of etiologic agents and long period of follow-up required to determine the effects of any treatment. We aim to identify factors predisposing to develop recurrence of chronic PTO. Between August 2007 and August 2012, a single-centre prospective cohort study was carried out among 193 patients with PTO following orthopaedic surgery. Bone and soft tissues were collected for cultures and PTO was defined according to CDC/NHSN criteria. Patient, injury, surgery-associated variables and microbiological records were identified for potential risk factors associated to recurrence of PTO. Univariate and multivariable analyses using logistic regression were performed, and p <0.05 was considered significant.Aim
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