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NewsThe CDC's surgical site infection criteria may be missing nearly half of fracture-related infections. A new study found that fracture-specific criteria captured 100% of cases, compared to just 55.9% under CDC definitions — and after 90 days, CDC guidelines identified zero infections at all. Researchers say the definition you use can dramatically change reported infection rates.
When it comes to diagnosing infections after fracture surgery, the tool you use to measure the problem matters — a lot. A new study presented at the Orthopaedic Trauma Association Annual Meeting found that fracture-related infection (FRI) Consensus Group criteria captured significantly more post-operative infections than the CDC's standard surgical site infection definitions.
Researchers at NYU Langone Health retrospectively reviewed 401 adult cases of post-operative fracture-related infection and applied both classification systems to the same cohort. The gap was striking: FRI criteria flagged 100% of infections, while CDC definitions caught only 55.9%. Beyond 90 days post-surgery, the CDC framework identified zero infections — a critical blind spot given that implant-related infections can emerge much later.
By the Numbers:
Why it matters: CDC criteria were designed for general surgical procedures and don't account for the unique biology of fracture fixation or the risk of late implant-related infections. Standardizing to fracture-specific definitions could improve surveillance accuracy, reshape national database reporting, and ultimately lead to better research and patient outcomes in orthopedic trauma.
