Single-institution retrospective review of 6,489 TKAs (primary and revision) performed under controlled conditions — vertical laminar flow, body exhaust suits — identifying infection rates and risk factors for periprosthetic infection using matched controls and multivariate analysis.
When consenting a patient for TKA, flag accumulating comorbidities (diabetes, immunosuppression, prior open procedures, poor nutrition, obesity) as a composite risk rather than individual red flags — no single factor independently predicts infection, but the combination does.
Operatively, cases running past 2.5 hours carry a fivefold higher rate of prolonged operative time among infected patients, so efficient technique and proper case planning are concrete infection-prevention strategies.
Single-institution retrospective review of 6,489 TKAs (primary and revision) performed under controlled conditions — vertical laminar flow, body exhaust suits — identifying infection rates and risk factors for periprosthetic infection using matched controls and multivariate analysis.
When consenting a patient for TKA, flag accumulating comorbidities (diabetes, immunosuppression, prior open procedures, poor nutrition, obesity) as a composite risk rather than individual red flags — no single factor independently predicts infection, but the combination does.
Operatively, cases running past 2.5 hours carry a fivefold higher rate of prolonged operative time among infected patients, so efficient technique and proper case planning are concrete infection-prevention strategies.