Revision Total Knee Arthroplasty for Ballistic Component Damage From an Intra-articular Missile

Revision Total Knee Arthroplasty for Ballistic Component Damage From an Intra-articular Missile

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Gunshot wounds (GSWs) and total knee arthroplasty (TKA) are increasingly common, yet a GSW to a TKA is a rare injury.A 60-year-old man sustained an intra-articular GSW to Antioxidants a prior TKA.The patient was scheduled for irrigation and debridement with polyethylene liner exchange.Intraoperatively, the new polyethylene liner was unable to engage the tibial tray.Damage to the Collections locking mechanism on the tibial tray was suspected so total revision proceeded.

Upon inspection of the explanted components, it was noted that a bullet fragment offline from the missile trajectory had blocked the locking of the polyethylene liner in the tibial tray.Expeditious antibiotics should be given and meticulous debridement should be performed to avoid unnecessary total component revision.