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Intraoperative Management of Bearing Dislocation in Oxford UKA: A Protocol-Based Approach for Retaining UKA or Revising to TKA

Analysis of the etiology and curative effect of bearing dislocation after Oxford UKA

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500102142
Enrollment
Unknown
Registered
2025-05-09
Start date
2024-11-01
Completion date
Unknown
Last updated
2025-05-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Osteoarthritis

Interventions

Bearing Dislocation after UKA:None
Participants with primary total knee replacement:None

Sponsors

Qilu Hospital of Shandong University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Patients with Bearing Dislocation after UKA: Inclusion Criteria: Individuals who experienced isolated pad dislocation following unicondylar knee arthroplasty and have completed a minimum of one year of follow-up. 2. Patients with Primary TKA (matched at a 1:3 ratio): Inclusion Criteria: Individuals who underwent total knee arthroplasty for knee osteoarthritis and have completed a minimum of one year of follow-up. The operative time, age, and gender were matched to those of the patients with pad dislocation.

Exclusion criteria

Exclusion criteria: 1. Patients with Bearing Dislocation after UKA: Exclusion Criteria: Cases involving surgical failure due to infection, prosthesis loosening, or other causes; Patients with poor compliance or those lost to follow-up. 2. Patients with Primary TKA (matched at a 1:3 ratio): Exclusion Criteria: Surgical failure due to any cause during follow-up; Musculoskeletal disorders affecting lower limb function; Poor compliance or loss to follow-up.

Design outcomes

Primary

MeasureTime frame
WOMAC Scores;

Secondary

MeasureTime frame
Patients' satisfaction;Loss to follow-up;

Countries

China

Contacts

Public ContactPeilai Liu

Qilu Hospital of Shandong University

199362000205@email.sdu.edu.cn+86 185 6008 2583

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026