This document discusses rotating hinge knee arthroplasty indications and results, focusing on patellar complications. Rotating hinge implants connect the femoral and tibial components with a rotating hinge to compensate for ligament deficiencies. Indications include primary TKA for valgus/varus deformity, revision for bone loss or instability. Analysis of 43 patients found 65% had optimal patellar positioning, 28% were tilted, and 7% subluxated/dislocated. Secondary procedures were needed in 5% to address patellar issues. Rotating hinge implants represent 25% of revision TKA indications at the author's hospital, with satisfactory flexion but some patellar complications.
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2017-031
1. Indications and current
résults of rotating hinge
arthroplasties.
Patellar issues.
LUSTIG Sébastien MD, PhD, Prof
Albert Trillat Center
Lyon North University Hospital
LYON - FRANCE
2. AIM
• CURRENT INDICATIONS OF ROTATING HINGE
ARTHROPLASTY
• SPECIFIC ASSESSMENT OF PATELLAR
COMPLICATIONS
3. Principles
« … »L’implant
fémoral et l’implant
tibial sont liés entre
eux par un moyen
d’union de type
charnière palliant la
déficience des
formations
ligamentaires du
patient.
Cette charnière est
fixe ou rotatoire.
« … »