Introduction Indications painful ankylosis after infection or trauma neuropathic arthropathy tumor resection salvage for failed TKA (most common) loss of extensor mechanism Contraindications absolute active infection relative bilateral knee arthrodesis contralateral leg amputation significant bone loss ipsilateral hip or ankle DJD Optimal Position 5-8° valgus 0-10° of external rotation (match other leg) 0-15° of flexion some limb shortening advantageous for patient self-care Surgical Technique Intramedullary rod fixation technique can be one long antegrade device or a two part device connected at the knee patella can be left alone or incorporated into arthrodesis External fixation technique must allow compression of arthrodesis site done with unilateral external fixation, Ilizarov, or Taylor Spatial Frame Plate fixation technique can be done alone in combination with intramedullary nailing Complications Nonunion Infection Low back pain Ipsilateral hip degenerative changes Contralateral knee degenerative changes Fracture supracondylar femur or proximal tibial metaphysis fractures these occur from increased stress in these regions after arthrodesis
Upgrade to View Premium Videos Upgrade to View Premium Videos Arthrodesis of the Knee with a Long Intramedullary Nail - Dr. Nicholas Sotereanos Derek Moore Recon - Knee Arthrodesis 9/7/2012 861 views