Dual Mobility Cups: Effect on Risk of Revision of Primary TotalHip Arthroplasty Due toOsteoarthritis A Matched Population-Based Study Using the Nordic Arthroplasty Register Association Database

摘要

Background: The dual mobility acetabular cup (DMC) was designed to reduce prosthetic instability and has gained popularity for both primary and revision total hip arthroplasty (THA). We compared the risk of revision of primary THA for primary osteoarthritis between patients treated with a DMC and those who received a metal-on-polyethylene (MoP) or ceramic-on-polyethylene (CoP) bearing.