AI Article Synopsis
- - The study aimed to identify predictors and outcomes of infections caused by ESBL-producing bacteria in patients with acute diabetic foot infections (DFI) from 2014-2018.
- - Data from 493 patients revealed that 24.5% had infections with suspected ESBL-producers, who were typically older, had peripheral vascular disease, and higher ulcer severity scores, resulting in increased rates of major amputations.
- - The findings suggest that ESBL-producing bacteria are common in DFI, particularly among vulnerable patient groups, indicating the need for tailored antibiotic treatment strategies upon hospital admission.
Article Abstract
Objectives: The aim of this study was to describe the predictors and outcomes of infection with extended-spectrum beta-lactamase (ESBL)-producing bacteria in patients with an acute diabetic foot infection (DFI).
Methods: The records of patients admitted with acute DFI to a large tertiary hospital during the years 2014-2018 were reviewed. Demographic, clinical, and laboratory data were collected, as well as outcomes regarding amputations and mortality. Only cultures obtained during the first 2 weeks following admission were considered.
Results: Cultures were available for 493 patients; 121 (24.5%) included bacteria suspected of being ESBL producers. Patients infected with ESBL-producing bacteria were older, more likely to have peripheral vascular disease (PVD), and had higher SINBAD and Wagner scores upon admission. They were also more likely to have been hospitalized in the recent 6 months. Major amputations were more prevalent in patients with versus without an ESBL-producing bacterial infection (30.6% vs 19.4%; P = 0.010), yet overall amputations and mortality rates were similar.
Conclusions: ESBL-producing bacteria are common pathogens in DFI, more prevalent in older patients with PVD, advanced ulcers, and recent hospitalization. They are associated with higher rates of major amputation. These considerations may support the choice of empirical antibiotic therapy in patients admitted with an acute DFI.
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| http://dx.doi.org/10.1016/j.ijid.2021.10.016 | DOI Listing |
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