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Group B streptococcus in prosthetic hip and knee joint-associated infections

Christensson, B
Trampuz, A
Boggian, K
Svensson, D
Widerström, M
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Published in Journal of Hospital Infection. 2011, vol. 79, no. 1, p. 64-9
Abstract The incidence of invasive group B streptococcus (GBS) infections in non-pregnant adults is increasing. Little is known about GBS in periprosthetic joint infections (PJIs). We aimed to analyse the clinical presentation of GBS PJI and its treatment in association with the outcome. The characteristics of 36 GBS PJIs collected from 10 centres were investigated. In 34 episodes, follow-up examination of ≥ 2 years was available, allowing treatment and outcome analysis. Most infections (75%) occurred ≥ 3 months after implantation. Most patients (91%) had at least one comorbidity; 69% presented with acute symptoms and 83% with damaged periprosthetic soft tissue. In 20 of 34 episodes debridement and retention of implant was attempted, but in five of these the prosthesis was ultimately removed. Hence, in 19 (56%) episodes, the implant was removed, including 14 immediate removals. In four episodes the removal was permanent. Penicillin derivatives and clindamycin were the most common antimicrobials administered (68%). In 94% the infection was cured, and in 82% functional mobility preserved. Debridement with implant retention was successful if the duration of symptoms was short, the prosthesis stable, and the tissue damage minor (10/10 vs 3/10 episodes, P = 0.003). Surgery that complied with a published algorithm was associated with a favourable outcome (P = 0.049).
Keywords AgedAnti-Bacterial Agents/administration & dosageDebridementFemaleHip Joint/microbiologyHumansKnee Joint/microbiologyMaleOsteoarthritis/epidemiology/microbiology/therapyProsthesis RetentionProsthesis-Related Infections/epidemiology/microbiology/therapyStreptococcal Infections/epidemiology/microbiology/therapyStreptococcus agalactiae/isolation & purificationTreatment Outcome
PMID: 21764170
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Research groups Chirurgie orthopédique et traumatologique (98)
Glycopeptide résistance (28)
Groupe Harbarth Stephan (Staphylocoques dorés résistants à la méthicilline) (866)
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SENDI, Pedram et al. Group B streptococcus in prosthetic hip and knee joint-associated infections. In: Journal of Hospital Infection, 2011, vol. 79, n° 1, p. 64-9. doi: 10.1016/j.jhin.2011.04.022 https://archive-ouverte.unige.ch/unige:24802

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Deposited on : 2012-12-20

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