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Un paso más allá de la convención: revisión en tres etapas con fijador del sistema de reconstrucción de extremidades
V Purushothaman1, R Kavilakshmanan1
1Department of Orthopaedics, Government Tirunelveli Medical College and Hospital, Tirunelveli, Tamil Nadu, India.
Introduction:
Chronic periprosthetic joint infection (PJI) following total knee arthroplasty (TKA) is a limb-threatening complication, especially in the presence of sinus tract formation, bone loss, and failed prior revisions. While two-stage revision remains the standard of care, its success is limited in complex infections.
Case Report:
We present a single case of chronic infected TKA with a discharging sinus managed successfully using a three-stage revision protocol. The treatment involved implant removal and antibiotic-loaded cement spacer insertion, interim stabilization using a Limb Reconstruction System (LRS) external fixator, and definitive revision TKA.
Conclusion:
The three-stage revision strategy with interim LRS fixation achieved complete infection eradication, restoration of limb alignment, and satisfactory functional outcome. This approach represents a reliable salvage option in complex chronic PJI cases.
