Use of Constrained Implants

May 29, 2019 by in ORTHOPEDIC Comments Off on Use of Constrained Implants

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…

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Balancing the Gaps

May 29, 2019 by in ORTHOPEDIC Comments Off on Balancing the Gaps

Algorithm The three-step algorithm above is used as a guide for revision total knee arthroplasty (TKA) Introduction TKA poses significant challenges to achieving fixation, stability, alignment, and joint line restoration….

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Revision Total Knee Arthroplasty

May 29, 2019 by in ORTHOPEDIC Comments Off on Revision Total Knee Arthroplasty

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…

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Exposures for Revision Knee Arthroplasty

May 29, 2019 by in ORTHOPEDIC Comments Off on Exposures for Revision Knee Arthroplasty

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…

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Implant Removal in Revision Total Knee Arthroplasty

May 29, 2019 by in ORTHOPEDIC Comments Off on Implant Removal in Revision Total Knee Arthroplasty

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….

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Revising the Failed Unicompartmental Knee Arthroplasty

May 29, 2019 by in ORTHOPEDIC Comments Off on Revising the Failed Unicompartmental Knee Arthroplasty

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 (…

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Manipulation

May 29, 2019 by in ORTHOPEDIC Comments Off on Manipulation

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…

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Nonrevision Surgery

May 29, 2019 by in ORTHOPEDIC Comments Off on Nonrevision Surgery

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…

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V-Y Quadriceps Turndown

May 29, 2019 by in ORTHOPEDIC Comments Off on V-Y Quadriceps Turndown

Introduction Revision knee replacement is a challenging operation that sometimes requires special attention to old surgical scar formation and fibrous adhesions. Complications such as avulsion of the patellar tendon off…

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