Patellofemoral Degeneration and Patellar Instability Jack Farr Vishal S. Desai Diane L. Dahm INTRODUCTION For the purposes of this chapter, patellofemoral (PF) degeneration is used to denote chondrosis that is…
4-in-1 Quadricepsplasty for Habitual and Permanent Dislocation of Patella Shital N. Parikh INTRODUCTION Pathogenesis Congenital patellar dislocation is intrauterine in onset and the dislocation is associated with significant deformities (flexion,…
Coronal Plane Osteotomy for Genu Valgum Robert A. Teitge Steffen Schröter DISTAL FEMUR OSTEOTOMY Introduction Genu valgum is a valgus alignment of the limb as measured at the knee joint….
Pediatric Distal Stabilization Procedures Colleen Wixted Meghan Price Daniel W. Green Shital N. Parikh INTRODUCTION Patellar dislocation is a common acute knee injury affecting the pediatric and adolescent populations.1,2 Nonsurgical…
Proximal Femur Rotational Osteotomy Todd J. Frush INTRODUCTION Pathogenesis The lateral displacement forces upon the patella increase with inward twisting of the knee. These forces may cause patellofemoral (PF) ligament…
Patellar Fracture After Medial Patellofemoral Ligament Reconstruction Robin V. West Shital N. Parikh INTRODUCTION Pathogenesis A major complication after medial patellofemoral ligament (MPFL) reconstruction is an iatrogenic patellar fracture. In…
Overmedialization Following Tibial Tuberosity Osteotomy Jack Andrish INTRODUCTION Tibial tuberosity osteotomy is a commonly employed surgical technique for the treatment of patellar instability and/or anterior knee pain associated with patellar…
Complications of Medial Patellofemoral Ligament Reconstruction Peters T. Otlans Beth E. Shubin Stein Jacqueline M. Brady INTRODUCTION Medial patellofemoral ligament (MPFL) reconstruction is commonly used to treat patellofemoral instability by…
Distal Femur Rotational Osteotomy Steffen Schröter INTRODUCTION Pathogenesis Several risk factors influence the pathology of patellar instability/dislocation. Besides the widely known risk factors regarding the soft-tissue structures around the knee,…
Why Osteotomy for Patellar Instability? Robert A. Teitge INTRODUCTION All cases of patellar instability, dislocation or subluxation, and most of patellofemoral pathologies result from of an excess of force being…
