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Effectiveness of prophylactic antibiotics in the outpatient treatment of burns
Abstract:
We compared wound infection rates in 133 outpatient burns treated with prophylactic antibiotics in our emergency room and 161 similar, untreated burns. Infection rates in the treated and untreated groups were 3.8% (5/133) and 3.1% (5/161), respectively. Since this was an observational cohort study, it was necessary to demonstrate the comparability of treated and untreated groups with respect to risk factors for infection, including patient age, size, location, and etiology of the burn injury, time since injury, and presence of co-morbidity. The groups were found to be comparable for all risk factors except size of burn: larger burns were over-represented in the treated group (p less than 0.05). Even after controlling for size, antibiotic use did not lower the infection rate. These results argue strongly against routine use of systemic antibiotics in the treatment of outpatient burns.
Insights
Prophylactic antibiotics did not reduce infection rates in outpatient burns. This study found similar infection rates in treated and untreated burn patients, questioning routine antibiotic use for burn care.
Area of Science:
- Emergency Medicine
- Infectious Disease
Background:
- Outpatient burns are common injuries.
- The use of prophylactic antibiotics in burn wound management is debated.
Purpose of the Study:
- To compare wound infection rates in outpatient burns treated with prophylactic antibiotics versus those untreated.
Main Methods:
- Observational cohort study comparing 133 treated and 161 untreated outpatient burns.
- Assessed infection rates and controlled for risk factors like age, burn size, location, etiology, time since injury, and comorbidities.
Main Results:
- Infection rates were similar: 3.8% in the treated group and 3.1% in the untreated group.
- The treated group had a higher proportion of larger burns, but antibiotic use did not decrease infection rates even after adjustment for burn size.
Conclusions:
- Routine systemic antibiotic use is not recommended for outpatient burn treatment.
- Evidence suggests antibiotic prophylaxis does not improve outcomes for these injuries.