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Perioperative antibiotic use for spinal surgery procedures in US children's hospitals
Lisa M McLeod1, Ron Keren, Jeffrey Gerber
1Department of General Pediatrics, Center for Pediatric Clinical Effectiveness, Children's Hospital of Philadelphia, Philadelphia, PA, USA. lisa.mcleod@me.com
Insights
Prophylactic antibiotic use for pediatric spinal fusion surgery varied significantly across hospitals and over time. Broad-spectrum antibiotic use was common, especially in high-risk patients, and increased over time.
Area of Science:
- Pediatric Surgery
- Infectious Disease
- Pharmacology
Background:
- Surgical site infections (SSIs) are a major complication of pediatric spinal surgery.
- Increasing antimicrobial resistance necessitates a review of current prophylactic antibiotic practices.
- Limited data exists on antibiotic selection for pediatric spinal fusion.
Purpose of the Study:
- To analyze patterns of prophylactic antibiotic use in pediatric spinal fusion procedures.
- To identify factors influencing antibiotic choice in US children's hospitals.
- To describe trends in antibiotic selection over time.
Main Methods:
- Retrospective cohort study utilizing the Pediatric Health Information System database.
- Inclusion of pediatric patients (6 months-18 years) undergoing spinal fusion for adolescent idiopathic scoliosis or neuromuscular scoliosis.
- Analysis of antibiotic orders on the operative day and associations with patient/surgery characteristics.
Main Results:
- Significant variation in prophylactic antibiotic choice was observed across hospitals and longitudinally.
- Broad-spectrum antibiotics were used in 37% of adolescent idiopathic scoliosis and 52% of neuromuscular scoliosis cases.
- Use of vancomycin and broad gram-negative agents increased over the study period.
Conclusions:
- Prophylactic antibiotic strategies for pediatric spinal fusion are inconsistent across institutions.
- Broad-spectrum antibiotic use was associated with patient risk factors for SSIs.
- Further research is needed to optimize prophylaxis and prevent SSIs in this population.
Study Design:
Retrospective cohort study using the Pediatric Health Information System database.
Objective:
To describe longitudinal patterns of prophylactic antibiotic use and determinants of antibiotic choice for spinal fusion surgical procedures performed at US children's hospitals.
Summary Of Background Data:
Surgical site infections (SSIs) account for a significant proportion of post-spinal surgery complications, particularly among children with complex conditions such as neuromuscular disease. Antimicrobial prophylaxis with intravenous cefazolin or cefuroxime has been a standard practice, but postoperative infections caused by organisms resistant to these antibiotics are increasing in prevalence. Studies describing the choice of antibiotic prophylaxis for pediatric spinal surgery are lacking.
Methods:
We included children 6 months to 18 years of age discharged from 37 US children's hospitals between January 1, 2006, and June 30, 2009, with (1) an International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) procedure code indicating a spinal fusion and (2) combinations of diagnosis codes indicating adolescent idiopathic scoliosis (AIS) (n = 5617) or neuromuscular scoliosis (NMS) (n = 3633). After identifying antibiotics ordered on the operative day, we described variation in broad-spectrum antibiotic use over time and measured associations between patient/surgery characteristics and antibiotic choice.
Results:
Prophylactic antibiotic choice varied across hospitals and over time. Broad-spectrum antibiotics were used in 37% of AIS and 52% of NMS operations. Seven (19%) hospitals used broad-spectrum coverage for more 80% of all cases. For NMS procedures, broad-spectrum antibiotic use was associated with patient characteristics known to be associated with high SSI risk. Use of vancomycin and broad gram-negative agents increased over time.
Conclusion:
Broad-spectrum antimicrobial prophylaxis varied across hospitals and was often associated with known risk factors for SSI. These results highlight the need for future studies comparing the effectiveness of various prophylaxis strategies, particularly in high-risk subgroups. This research can inform the development of best practice for SSI prevention in spinal fusion procedures.
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