Prodromes of Failure After Revision Total Knee Arthroplasty
Symptom Yes No 1. Pain 2. Swelling 3. Instability 4. Stiffness 5. Clicking 6. Progressive deformity 7. Grinding 8. Catching 9. Redness 10. Drainage 11. Fevers – – – –…
Removal of the Femoral and Tibial Components for Revision Total Knee Arthroplasty
Fig. 7.1 Disrupting the cement-metal interface of a femoral component with an osteotome. The goal is to debond the implant from the cement first and then to remove remaining cement…
Reoperation After Total Knee Arthroplasty
94 insert wear with lysis (most implanted in mid-1990s) 37 insert wear with synovitis 8 insert wear without symptoms 32 late metastatic infections 13 stiffness (8 treated with arthroscopy) 9…
Distal Femoral Nonunions
Fig. 11.1 a Anteroposterior and b lateral radiographs of the right knee showing hardware failure, shortening and varus The patient was evaluated and found only to have hepatitis C. The patient…
Principles of Nonunions
Fig. 1.1 Patient with right ankle injury treated with open reduction and internal fixation of fibula and closed treatment of distal tibia fracture. Referred for nonunion after progressive deformity developed. a–c…
Special Techniques for Nonunions Associated with Traumatic Bone Loss
Fig. 15.1 31-year-old male who suffered a moped accident with an isolated complex open intraarticular distal tibia and fibula fracture. He underwent staged management and with debridement and spanning external fixation,…
Tibial Nonunions
Open fracture Age Smoking Alcohol NSAIDs Nutritional deficiency Prior radiation Endocrinopathies Infection 13.2.1 Mechanical Instability may cause excessive motion at the fracture site, which encourages stem cells to differentiate into…
Fracture Healing
Fig. 2.1 Primary healing with absolute stability. The patient is a 26-year-old woman who was struck by a motor vehicle and sustained a Grade III open right distal tibia fracture. a…
Acetabular and Pelvic Nonunions
Fig. 8.1 a Anteroposterior (AP) pelvis at presentation 2 years after the accident with pain in the sacrum treated previously with cannulated screws. b Axial CT scan showing nonunion of the sacrum….
Femoral Shaft Nonunions
Fig. 10.1 Initial injury X-rays (a–c) Fig. 10.2 Post-initial debridement and external fixation (a–c) Fig. 10.3 Initial Masquelet technique after debridements (a, b) Fig. 10.4 Massive bone grafting using the…
