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Article Dans Une Revue International Orthopaedics Année : 2017

Staphylococcus lugdunensis: a neglected pathogen of infections involving fracture-fixation devices

Résumé

Purpose Cases of fracture-fixation device infection involving Staphylococcus lugdunensis are not frequent. The clinical characteristics and the choice of treatment strategies of these infections are not obviously known to date. Methods We performed a review of fracture-fixation device infection involving S. lugdunensis managed by our centres. Results Among the 38 cases of fracture-fixation device infection involving S. lugdunensis, 53% were located in the tibia. Most of our cases (87%) were chronic infections. Purulent discharge, which occurred in 79% of cases, was the most frequent clinical symptom, followed by pain in 63%, local inflammation in 55%, and fever in 37%. Bacteremia and severe sepsis occurred in 10% and 18% of cases, respectively. Four cases (10%) were treated exclusively with antimicrobial treatment alone. Thirty-four cases (89%) were treated with a combination of surgery with antimicrobial therapy including surgical debridement, antibiotics and osteosynthesis device retention in six cases (16%), and osteosynthesis device removal in 27 cases (71%). The mean length of antibiotic treatment was 119 days. The relapse rate was high that was not related to selection of resistant strains. Polymicrobial infection had no impact on clinical outcome. A combination of surgery with antimicrobial therapy was identified as a significant prognostic factor associated with remission (p = 0.042). Conclusions S. lugdunensis is probably involved in more infections than has been reported. Using appropriate microbiological methods laboratories should routinely identify the species of all coagulase-negative Staphylococci isolates involved in fracture-fixation device infection to better achieve the treatment strategies of fracture-fixation device infection involving S. lugdunensis.
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Dates et versions

hal-01573729 , version 1 (10-08-2017)

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Jean-Francois Thiery, Pierre-Yves Levy, Pierre-Marie Roger, Eric Bonnet, Albert Sotto, et al.. Staphylococcus lugdunensis: a neglected pathogen of infections involving fracture-fixation devices. International Orthopaedics, 2017, 41 (6), pp.1085-1091. ⟨10.1007/s00264-017-3476-4⟩. ⟨hal-01573729⟩
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