Prevention of sternal wound infection in pediatric cardiac surgery: a protocolized approach
Cathy S Woodward1, Minnette Son, Richard Taylor
1Division of Critical Care, Department of Pediatrics, University of Texas Health Science Center, San Antonio, TX, USA.
Insights
A new protocol reduced sternal wound infections (SWIs) in children after cardiac surgery. Focusing on patients with delayed sternal closure (DSC) may further improve infection rates.
Area of Science:
- Pediatric cardiac surgery outcomes
- Infection control in healthcare settings
Background:
- Sternal wound infections (SWIs) are a significant complication in pediatric cardiac surgery, leading to increased morbidity, mortality, and costs.
- Current guidelines for SWI prevention in children are lacking.
Purpose of the Study:
- To implement and evaluate a quality improvement protocol aimed at reducing SWIs in pediatric cardiac surgery patients.
- To assess the impact of the protocol on SWI incidence and identify risk factors.
Main Methods:
- A multidisciplinary team developed and implemented a protocol to prevent SWIs.
- A prospective review of 308 pediatric cardiac surgery patients over two years tracked protocol adherence and SWI incidence.
- Centers for Disease Control definitions were used to diagnose surgical site infections.
Main Results:
- A reduction in SWIs was observed between the first and second years of the study (OR = 0.35, P = .059).
- Delayed sternal closure (DSC) was significantly associated with an increased risk of SWI (OR = 5.4, P ≤ .001).
- Implementing the protocol for patients with DSC showed a trend towards decreased infections in the second year (14% to 4%, P = .14).
Conclusions:
- The implemented protocol was associated with a decrease in SWIs in pediatric cardiac surgery patients.
- Children with DSC represent a high-risk group for SWIs, necessitating targeted prevention strategies.
- Further multicenter studies are recommended to validate a bundled protocol approach for SWI prevention.
Background:
Sternal wound infections (SWIs) are a costly complication for children after cardiac surgery, increasing morbidity, mortality, and financial cost. There are no pediatric guidelines to reduce the incidence of SWI in this vulnerable population.
Methods:
A quality improvement, multidisciplinary team was formed, and a protocol to prevent SWI was developed. A prospective review of patients who underwent pediatric cardiac surgery was conducted over a two-year period to follow adherence to the protocol and incidence of SWI. The Centers for Disease Control definitions for surgical site infections were used to determine the depth and presence of infection.
Results:
Three hundred and eight children <18 years of age had sternotomies during the study period. There was a reduction in all SWI between the first and second years of the study (odds ratio [OR] = 0.35; confidence interval [CI] 95% 0.12-1.01; P = .059). Delayed sternal closure (DSC) was associated with increased risk of SWI (OR = 5.4; CI 95% 2.13-14.9; P ≤ .001). Institution of a protocol in patients with DSC was associated with decreased infections during the second year (first year: n = 7 (14%), second year: n = 2 (4%), P = .14).
Conclusions:
Institution of a protocol was associated with a decreased number of infections in children. A multicenter study of a bundled protocol approach to SWI prevention is needed. Children with DSC had a significantly higher risk of developing a wound infection. Initiating strategies to reduce SWI with a focus on children with DSC may result in improved overall infection rates.
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