CASE STUDY A 77-year-old woman suffered a ground-level fall 9 months before presentation in which she sustained a comminuted left distal femur fracture. Before the fall, she was a community ambulator without an assistive device. She had no major ongoing…
CASE STUDY An 85-year-old man presented with a painful knee 5 years after a total knee arthroplasty was performed through a limited medial incision; the posterior-stabilized prosthesis used had a modified tibial component designed for the approach with an abbreviated…
Algorithm Introduction TKA poses significant challenges to achieving fixation, stability, alignment, and joint line restoration. Meticulous surgical technique with the appropriate implants is needed for satisfactory surgical outcome. With improvements in instrumentation and prosthetic design, the goals of revision TKA…
CASE STUDY A 59-year-old man presented for evaluation of a stiff and painful revision total knee arthroplasty (TKA). The patient was experiencing significant dysfunction due to his limited range of motion (ROM). He had a history of two knee arthroscopies…
CASE STUDY A 52-year-old white man presented with minimal pain but limited range of motion (ROM) after a total knee arthroplasty (TKA) that was performed 8 months earlier. His medical history was significant for type 2 diabetes and smoking tobacco…
CASE STUDY An active 59-year-old male patient with osteoarthritis of the right knee underwent total knee arthroplasty with a posterior-stabilized prosthesis. Preoperative range of motion (ROM) was 5 degrees of flexion contracture to 120 degrees of flexion. Surgery was uncomplicated,…
CASE STUDY In September 2008, a 72-year-old white woman underwent an Oxford mobile-bearing unicompartmental knee arthroplasty (UKA) (Biomet, Inc., Swindon, U.K.) for anteromedial tibiofemoral osteoarthritis to her left knee ( Fig. 13.1 ). This functioned very well for 3 months…
CASE STUDY A 58-year-old woman presented with a painful left knee having previously undergone a patellectomy in association with a Maquet osteotomy at age 26, followed by a total knee arthroplasty (TKA) at age 48. The primary TKA was a…
Algorithm This algorithm presents the approach for implant removal in total knee arthroplasty. Chapter Preview Chapter Synopsis Implant extraction should be performed cautiously and with attention to avoiding iatrogenic damage. A systematic and preplanned approach obviates the need for unwanted…
CASE STUDIES Case 1: Exposure With a Quadriceps Snip A 68-year-old woman underwent left total knee arthroplasty (TKA) for osteoarthritis 12 years ago. During the 2 years before presentation to our office, she developed progressive pain, swelling, and a sensation…