Changes in burn wound microbiology profile over 14 years of an adult tertiary burn center
Cato, Liam David Al-Tarrah, Khaled Moiemen, Naiem
Cato, Liam David
Al-Tarrah, Khaled
Moiemen, Naiem
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Affiliation
University Hospitals Birmingham Foundation Trust
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Publication date
2022-10-14
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Abstract
Burn wound colonization can progress to invasive infection. During 14 years of this study, the burn center was relocated to a center with improved infrastructure. This study investigates the association that infrastructure, geography, and time may have on colonization. Data were collected from October 2004 to August 2018, and relocation took place in June 2010, defining the two study periods. Admission swabs were within 48 hours. Unique isolates and resistance data were analyzed and compared statistically between the two study periods. In total, 2001 patients with 24,226 wound swabs were included. Median age was 45.4 (IQR 30.2-61.6), length of stay was 11 days (IQR 6-21), and %TBSA was 5.5 (IQR 2.5-11). Staph. aureus (33.7/100 patients) and Pseudomonas spp. (13.1/100 patients) were the most prevalent bacterial growths. After admission, the prevalence of methicillin resistant Staph. aureus, Coliform spp., and Aci. baumanni was greater in the first site, and Candida spp. colonization was higher in the second study period site. The prevalence of patients affected by multi-drug-resistant organisms was lower in the second study site (13.5/100 patients vs 16.6/100 patients; P < .05). There are differences in burn wound colonization across time, within the same region. Candida spp. growth has been shown to be increased over time and represents an added challenge. Awareness facilitates effective empirical antimicrobial therapies and protocols locally.
Citation
Cato LD, Al-Tarrah K, Moiemen N. Changes in Burn Wound Microbiology Profile Over 14 Years of an Adult Tertiary Burn Center. J Burn Care Res. 2023 Mar 2;44(2):293-301. doi: 10.1093/jbcr/irab184.
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Article