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Orthopaedic Proceedings
Vol. 104-B, Issue SUPP_10 | Pages 71 - 71
1 Oct 2022
Ferry T Arvieux C Stendel E Nich C Delobel P Zeller V Sotto A Dauchy F RONDE-OUSTAU C Tizon A
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Aim

To describe the management of PJI due to S. aureus in CRIOAcs in 2019 and to particularly focus on the evaluation of the efficacy of DAIR regarding control of infection and risk factors for failure up to 12 months.

Method

Thirteen CRIOAcs were selected to participate to the study. Data concerning the management of all the PJI in the year 2019 were retrospectively collected and registered in eCRFs. Inclusion criteria were: ≥ 18 years old patients with S. aureus ± other bacteria (in per surgical procedure sample); knee or hip PJI and with clinical signs of infection. Patients treated with bacteriophages were excluded. All eligible patients were notified by an information letter. Patients treated by the DAIR procedure were selected, and rate of control of infection (no inflammatory local signs or no new surgical procedure or no S. aureus in case of puncture) was analyzed using Kaplan Meier method and risk factors for failure at 12 months were assessed using Cox regression model.


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_15 | Pages 78 - 78
1 Dec 2021
Benech N LEVAST B Gasc C Cecile B Senneville E Lustig S Boutoille D Dauchy F Zeller V Cazanave C Josse J Laurent F Ferry T
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Aim

Bone and joint infections (BJI) need frequently prolonged antibiotic treatment at high dosage for a total of 6 or 12 weeks depending the type of infection. Impact of such prolonged antibiotic exposure on the gut microbiota has never been assessed.

Method

We performed a national multicentric prospective study of patients with BJI to monitor the gut microbiota dynamic all along antimicrobial treatment. Clinical data and stool collection were performed at the baseline visit (B) within 24h before starting antibiotics, at the end of the treatment (EOT) and 2 weeks after antibiotic withdrawal during a follow-up visit (FU). Microbiota composition was determined by shotgun metagenomic sequencing. Biological markers of gut permeability and inflammation were monitored at each time point.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_22 | Pages 14 - 14
1 Dec 2017
Zeller M Granier M Auber T Graff W Strat VL Lhotellier L Blandine M Marmor S Meyssonnier V Mouton A Passeron D Zeller V Klein E Heym B
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Aim

Periprosthetic joint infection (PJI) is nowadays the most important problem leading to failure in primary and revision total knee (TKA) and total hip arthroplasty (THA), therefore accurate diagnosis of PJI is necessary. We evaluated a commercial multiplex PCR system1 for diagnosis of PJI in joint aspiration fluids prior to surgery.

Method

A total of 32 patients were included in the study. Twenty-four patients had TKA and eight had THA. Joint aspiration fluids were examined by standard bacteriological procedures. Excess material of joint aspirates was frozen at −20°C until testing by multiplex PCR1. Inclusion criteria were a minimum leucocyte count of 2.000 per ml and at least 60% of polymorphonucleaur neutrophils (PNN) in the joint aspiration fluid.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_22 | Pages 83 - 83
1 Dec 2017
Bart G Meyssonnier V Kerroumi Y Lhotellier L Graff W Passeron D Mouton A Ziza JM Desplaces N Marmor S Zeller V
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Aim

Treatment of chronic prosthetic joint infection (PJI) combines exchange arthroplasty and effective antibiotic therapy. Staphylococci are the most frequent microorganism isolated in PJIs, with resistance to methicillin found in 15–50% of the cases. Data from randomized trials on treatment of methicillin-resistant staphylococci are lacking and the choice of antibiotic(s) and recommendations vary according to authors. To date, combination therapy including vancomycin is the treatment of choice.

Minocycline, a cyclin antibiotic, is naturally effective against methicillin-resistant staphylococci. We use this antibiotic since many years in combination with vancomycin for the treatment of multi-drug resistant staphylococcal bone and joint infections.

The aim of this study is to analyze the outcome of patients treated with combination antibiotic therapy including minocycline for the treatment of chronic methicillin-resistant staphylococcal PJI.

Method

We conducted a cohort study between 2004 and 2014 in our referral center for bone and joint infections. Data were extracted from the prospective database. All the patients receiving an initial combination therapy including at least 4 weeks of minocycline, given orally, and another IV antibiotic, usually high-dose continuous IV vancomycin, for chronic MR staphylococcal PJI and who underwent one or two stage exchange arthroplasty, were included. They were followed prospectively for at least 2 years.