• T Bauer, S Klouche, O Grimaud, A Lortat-Jacob, and P Hardy.
• Hôpitaux universitaires Paris-Île-de-France-Ouest, AP-HP, Boulogne-Billancourt, France. Electronic address: thomas.bauer@aphp.fr.
• Orthop Traumatol Sur. 2018 Feb 1; 104 (1): 137-145.

IntroductionAn infected non-union is a major complication following bone fracture. While bone union can be obtained in 70% to 100% of cases, treatment of osteomyelitis is less predictable, with reported healing rates ranging from 40% to 100%. The primary aim of this study was to assess the success rate of treating infected non-unions of the tibia and femur by a team specializing in complex bone and joint infections.Material And MethodsThis single-center retrospective study included all patients operated between 2002 and 2012 due to an infected non-union of the femur or tibia using standardized surgical methods. The procedure was typically done in two phases: excision of the infected site and stabilization, followed by bone reconstruction after a waiting period. Additional procedures (lavage and/or bone grafting) were performed in some cases. A minimum 6-week course of antibiotic therapy was given. The primary endpoint was successful medical and surgical treatment after a minimum 2 years' follow-up defined as healing of the infection (no local clinical signs of infection, ESR≤20mm and CRP≤10mg/L, no mortality attributed to the infection) and radiological and clinical bone union, with the lower limb spared.ResultsFifty-five patients (39 men, 16 women) were included with an average age of 37±11 years. There were 40 tibial fractures and 15 femur fractures. A polymicrobial infection was present in 47% of cases. Repeat surgery was required in 56.4% of patients. At an average of 4±2 years from the first surgical procedure, the treatment was successful in 49 patients (89%): 36 tibia (90%) and 13 femur (87%). The mean time to union was 9±4 months. There were six failures: 3 amputations at 5, 6 and 16 months; 1 mechanical and infection-related failure; 2 failed union.ConclusionThis study found that 89% of patients with an infected tibial or femoral non-union treated by a team specialized in complex bone and joint infections using a standardized surgical protocol had bone union and healing of the infection in an average of 9 months.Level Of EvidenceIV, retrospective study.Copyright © 2017. Published by Elsevier Masson SAS.

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