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jbji-7-279-2022.pdf (878.64 KB)

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2022-12-21

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cc by (c) Giannitsioti, Efthymia et al., 2022
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/200876

Osteosynthesis-associated infection of the lower limbs by multidrug-resistant and extensively drug-resistant Gram-negative bacteria: a multicentre cohort study

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https://doi.org/10.5194/jbji-7-279-2022

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Purpose: The purpose of this study was the clinical and therapeutic assessment of lower-limb osteosynthesis-associated infection (OAI) by multidrug-resistant (MDR) and extensively drug-resistant (XDR) Gram-negative bacteria (GNB), which have been poorly studied to date. Methods: A prospective multicentre observational study was conducted on behalf of ESGIAI (the European Society of Clinical Microbiology and Infectious Diseases (ESCMID) Study Group on Implant-Associated Infections). Factors associated with remission of the infection were evaluated by multivariate and Cox regression analysis for a 24-month follow-up period. Results: Patients ( n = 57) had a history of trauma (87.7 %), tumour resection (7 %) and other bone lesions (5.3 %). Pathogens included Escherichia coli ( n = 16), Pseudomonas aeruginosa ( n = 14; XDR 50 %), Klebsiella spp. ( n = 7), Enterobacter spp. ( n = 9), Acinetobacter spp. ( n D 5), Proteus mirabilis ( n = 3), Serratia marcescens ( n = 2) and Stenotrophomonas maltophilia ( n = 1). The prevalence of ESBL (extended-spectrum fi -lactamase), fluoroquinolone and carbapenem resistance were 71.9 %, 59.6% and 17.5% respectively. Most patients ( n = 37; 64.9 %) were treated with a combination including carbapenems ( n = 32) and colistin ( n = 11) for a mean of 63.3 d. Implant retention with debridement occurred in early OAI (66.7 %), whereas the infected device was removed in late OAI (70.4 %) ( p = 0.008). OAI remission was achieved in 29 cases (50.9 %). The type of surgery, antimicrobial resistance and duration of treatment did not significantly influence the outcome. Independent predictors of the failure to eradicate OAI were age > 60 years (hazard ratio, HR, of 3.875; 95% confidence interval, CI95 %, of 1.540-9.752; p D 0 :004) and multiple surgeries for OAI (HR of 2.822; CI95% of 1.144-6.963; p = 0.024). Conclusions: Only half of the MDR/XDR GNB OAI cases treated by antimicrobials and surgery had a successful outcome. Advanced age and multiple surgeries hampered the eradication of OAI. Optimal therapeutic options remain a challenge.

Matèries

Bacteris gramnegatius, Drug resistance, Osteosíntesi

Matèries (anglès)

Gram-negative bacteria, Resistència als medicaments, Osteosynthesis

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Articles publicats en revistes (Institut d'lnvestigació Biomèdica de Bellvitge (IDIBELL))
Articles publicats en revistes (IDIBAPS: Institut d'investigacions Biomèdiques August Pi i Sunyer)

Citació

GIANNITSIOTI, Efthymia, SALLES, Mauro josé, MAVROGENIS, Andreas, RODRIGUEZ PARDO, Dolors, LOS-ARCOS, Ibai, RIBERA, Alba, ARIZA, Javier, TORO, María dolores del, NGUYEN, Sophie, SENNEVILLE, Eric, BONNET, Eric, CHAN, Monica, PASTICCI, Maria bruna, PETERSDORF, Sabine, BENITO, Natividad, O' CONNELL, Nuala, BLANCO GARCÍA, Antonio, SKALICZKI, Gábor, TATTEVIN, Pierre, KOCAK TUFAN, Zeliha, PANTAZIS, Nikolaos, MEGALOIKONOMOS, Panayiotis d., PAPAGELOPOULOS, Panayiotis, SORIANO, Alejandro, PAPADOPOULOS, Antonios, ESGIAI collaborators study group. Osteosynthesis-associated infection of the lower limbs by multidrug-resistant and extensively drug-resistant Gram-negative bacteria: a multicentre cohort study. _Journal of Bone and Joint Infection_. 2022. Vol. 7, núm. 6, pàgs. 279-288. [consulta: 3 de febrer de 2026]. ISSN: 2206-3552. [Disponible a: https://hdl.handle.net/2445/200876]

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