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Gomersall J, Mortimer K, Hassan D, Whitehead KA, Slate AJ, Ryder SF, Chambers LE, El Mohtadi M, Shokrollahi K. Ten-Year Analysis of Bacterial Colonisation and Outcomes of Major Burn Patients with a Focus on Pseudomonas aeruginosa. Microorganisms 2023; 12:42. [PMID: 38257869 PMCID: PMC10819084 DOI: 10.3390/microorganisms12010042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/05/2023] [Accepted: 12/20/2023] [Indexed: 01/24/2024] Open
Abstract
A retrospective descriptive study included patients admitted with severe burns over the course of 10 years (2008-2018). Across all patients, there were 39 different species of bacteria, with 23 species being Gram-negative and 16 being Gram-positive bacteria, with also five different species of fungi cultured. Pseudomonas aeruginosa was the most commonly isolated organism, with 57.45% of patients having a positive culture. There was a significant difference in the number of P. aeruginosa isolated from patients that acquired their burns at work, in a garden, inside a vehicle, in a garage or in a public place. In patients that were positive for P. aeruginosa, the number of operations was higher (2.4) and the length of stay was significantly increased (80.1 days). Patients that suffered from substance abuse demonstrated significantly higher numbers of isolated P. aeruginosa (14.8%). Patients that suffered from both mental health illness and substance abuse demonstrated significantly higher numbers of P. aeruginosa isolated (18.5%). In the P. aeruginosa-negative group, there were significantly fewer patients that had been involved in a clothing fire. Furthermore, in the P. aeruginosa-negative patient cohort, the mortality rate was significantly higher (p = 0.002). Since the incidence of P. aeruginosa was also associated with a decreased mortality rate, it may be that patients admitted to hospital for shorter periods of time were less likely to be colonised with P. aeruginosa. This study demonstrates novel factors that may increase the incidence of P. aeruginosa isolated from burn patients.
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Affiliation(s)
- Jenny Gomersall
- Whiston Hospital, Mersey and West Lancashire Teaching Hospitals NHS Trust, Prescot L35 5DR, UK
| | - Kalani Mortimer
- Department of Microbiology, Whiston Hospital, Mersey and West Lancashire Teaching Hospitals NHS Trust, Prescot L35 5DR, UK
| | - Deniz Hassan
- Mersey Burns Centre, Whiston Hospital, Mersey and West Lancashire Teaching Hospitals NHS Trust, Prescot L35 5DR, UK
| | - Kathryn A. Whitehead
- Microbiology at Interfaces, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, UK
| | - Anthony J. Slate
- Department of Life Sciences, University of Bath, Bath BA2 7AY, UK;
| | - Steven F. Ryder
- Microbiology at Interfaces, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, UK
| | - Lucy E. Chambers
- Microbiology at Interfaces, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, UK
| | | | - Kayvan Shokrollahi
- Mersey Burns Centre, Whiston Hospital, Mersey and West Lancashire Teaching Hospitals NHS Trust, Prescot L35 5DR, UK
- Manchester Metropolitan University, Chester Street, Manchester M1 5GD, UK
- University of Liverpool, Foundation Building, Brownlow Hill, Liverpool L69 3BX, UK
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