Metal Hypersensitivity Is Associated with Inferior Implant Survivorship in Total Knee Arthroplasty, but Not Total Hip Arthroplasty: A Large-Database Matched-Cohort Analysis.

Preoperative MHS was associated with a higher risk of all-cause revision by five-year follow-up following TKA, but not THA, though the present study could not establish a causal relationship between MHS and the need for revision surgery.