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1.
Antibiotics (Basel) ; 11(12)2022 Dec 09.
Article in English | MEDLINE | ID: mdl-36551442

ABSTRACT

Background: In the case of intra-abdominal infections (IAI) in beta-lactam (BL) allergic patients, empiric antimicrobial therapy without BL is recommended; however, data regarding the outcome with alternative regimens are scarce. This study aimed to compare the outcomes of BL allergic (BLA) patients with IAI to those who were non-BLA (NBLA). Method: We conducted a case−control study in a French teaching hospital, between 1 January 2016 and 31 August 2021. BLA patients with IAI treated with fluoroquinolone or aztreonam and metronidazole were matched with controls treated with BL, on age, sex, disease severity, IAI localization, and healthcare-associated infection (HAI) status. We compared rates of therapeutic failures, adverse events, and HAI, and then assessed factors associated with therapeutic failure using a logistic regression model. Results: The therapeutic failure rate was 14% (p > 0.99) in both groups of 43 patients, and there was no significant difference in the adverse events rate (p > 0.99) and HAI rate (p = 0.154). Factors independently associated with therapeutic failure were higher BMI (OR 1.16; 95%CI [1.00−1.36]; p = 0.041), longer hospital length of stay (OR 1,20; 95%CI [1.08−1.41]; p = 0.006), and inadequate empiric antimicrobial therapy (OR 11.71; 95%CI [1.43−132.46]; p = 0.025). Conclusion: The outcomes of BLA patients with IAI treated without BL were the same as those for NBLA patients treated with BL.

2.
J Glob Antimicrob Resist ; 25: 341-345, 2021 06.
Article in English | MEDLINE | ID: mdl-33962065

ABSTRACT

OBJECTIVES: Dalbavancin is a long-lasting lipoglycopeptide active against Gram-positive bacteria, especially methicillin-resistant staphylococci. Few data are available on dalbavancin use for treatment of prosthetic joint infections (PJIs). We describe a cohort of patients treated for PJI with dalbavancin and review the literature regarding this condition. METHODS: All adult patients with PJI from the French dalbavancin national cohort from 1 June 2017 to 1 January 2019 were included. We collected clinical and microbiological characteristics and outcome through a standardised questionnaire. Clinical cure was defined as absence of clinical signs of infection at last visit. Failure was a composite criterion defined by persistence or reappearance of signs of infection, and/or switch to suppressive antibiotic treatment and/or death from infection. The literature review was performed using PubMed. RESULTS: Seventeen patients were included. Bacteria were identified in 16 cases: Staphylococcus aureus (n = 10), including methicillin-resistant S. aureus (n = 1); and coagulase-negative staphylococci (n = 10), including methicillin-resistant Staphylococcus epidermidis (n = 4). Sixteen patients (94.1%) had received antibiotic therapy prior to dalbavancin use (mean of 2.2 ± 1.3 lines). Clinical cure was achieved in 8/17 patients after a median follow-up of 299.0 (IQR 97.0-476.0) days. We reviewed all cases of PJI treated with dalbavancin available in the literature and the overall clinical cure was estimated at 73.1%. CONCLUSION: Our study and literature data suggest that use of dalbavancin in PJI could be considered, even as salvage therapy. Dalbavancin appears to be a safe and easy treatment for patients with staphylococcal PJIs.


Subject(s)
Methicillin-Resistant Staphylococcus aureus , Staphylococcal Infections , Adult , Cohort Studies , Humans , Staphylococcal Infections/drug therapy , Teicoplanin/analogs & derivatives , Teicoplanin/therapeutic use
4.
Int J Antimicrob Agents ; 54(5): 668-672, 2019 Nov.
Article in English | MEDLINE | ID: mdl-31400471

ABSTRACT

Dalbavancin is a glycopeptide antibiotic with a long half-life, recently marketed in Europe for skin and soft-tissue infections (SSTIs), but its real-life use is not well known. The aim of this study was to describe all first prescriptions in France over an 16-month period. A retrospective study on all adult patients receiving at least one dose of dalbavancin from 1 June 2017 to 31 September 2018 was performed (75 patients from 29 French hospitals). Data were collected via a standard questionnaire. Failure was defined as persistence or reappearance of signs of infection, and/or switch to suppressive antibiotic treatment, and/or death from infection. The main indications were bone and joint infection (BJI) (64.0%), endocarditis (25.3%), and SSTI (17.3%). The main bacteria involved were Staphylococcus aureus (51.4%), including methicillin-resistant S. aureus (MRSA) (19.4%), and coagulase-negative staphylococci (44.4%). Median minimum inhibitory concentrations (MICs) for staphylococci to vancomycin and dalbavancin ranged from 0.875-2.0 mg/L and 0.032-0.064 mg/L, respectively. Dalbavancin was used after a mean of 2.3 ± 1.2 lines of antimicrobial treatment. The main treatment regimens for dalbavancin were a two-dose regimen (1500 mg each) in 38 cases (50.7%) and a single-dose regimen (1500 mg) in 13 cases (17.3%). Overall, at the patient's last visit, clinical cure was observed in 54/68 patients, whilst failure was observed in 14/68 patients. First use of dalbavancin in France was mostly off-label. Most were due to BJI, often as rescue therapy for severe infections. Even in off-label situations, dalbavancin appears safe and effective.


Subject(s)
Anti-Bacterial Agents/therapeutic use , Endocarditis/drug therapy , Methicillin-Resistant Staphylococcus aureus/drug effects , Off-Label Use , Soft Tissue Infections/drug therapy , Staphylococcal Infections/drug therapy , Teicoplanin/analogs & derivatives , Adult , Female , France , Humans , Male , Microbial Sensitivity Tests , Middle Aged , Retrospective Studies , Surveys and Questionnaires , Teicoplanin/therapeutic use , Treatment Outcome , Vancomycin/therapeutic use
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