Comparison of Medial Knee Pain Between Patients With and Without Preoperative Tibia Vara Underging Mobile-bearing Unicompartmental Knee Arthroplasty

Comparison of Clinical Outcomes Between Patients With and Without Preoperative Tibia Vara Underging Mobile-bearing Unicompartmental Knee Arthroplasty

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT07720024

Acronym

bow leg

Enrollment

150

Registered

2026-07-22

Start date

2021-01-01

Completion date

2023-01-01

Last updated

2026-07-22

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

Conditions

OA Knee, OA Knee Pain, Osteoarthritis

Keywords

unicompartmental knee arthroplasty, medial knee pain, mobile bearing, tibia vara, extra-articular deformity

Brief summary

to compared VAS for medial knee pain between oa knee with or without tibia vara following mobile bearing UKA

Detailed description

The medial knee pain after UKA showed high rate. but mobile bearing UKA show less tibial bobe cut and the mobile bearing can distribute load. Therefore, the oa knee with and without tibia vara should show similar VAS for medial knee pain.

Interventions

PROCEDUREmobile bearing UKA

underwent mobile bearing UKA with standard surgical technique

Study design

Observational model

COHORT

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

40 Years to 80 Years

Healthy volunteers

Inclusion criteria

* age \> 40 years old, ROM \> 75 degrees, FC\< 15 degrees, Varus deformity \< 20 degrees

Exclusion criteria

* ACL insufficiency, inflammatory arthritis, posttraumatic arthritis

Design outcomes

Primary

Measure	Time frame	Description
VAS for medial knee pain	6 weeks to 2 years	0-10 points

Countries

Thailand

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jul 23, 2026