Followup of Patient from Live Surgery Bern Hip Symposium 2018

Department of Orthopedic Surgery, Inselspital, University of Bern

Bern Hip Symposium 2020

Diagnosis

> Steroid induced focal avascular necrosis of the anteromedial femoral head— ARCO Stage 2

> Anterior intraarticular impingement associated with cam-deformity and valgus deformity

Alpha angle 77°

67° 63°

Modified Kerboul angle 130°

Aim of the Surgical Treatment

> Revascularize the necrotic zone

> Perform cartilage treatment

> Address the anterior impingement

> Rotate the necrotic area outside ofthe main weight bearing area

> Surgical hip dislocation

> ’Trap-door’ procedure

> Varus intertrochanteric osteotomy

Varisation 15°

F F