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

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

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Key information

Conditions

OA Knee Arthritis Blount disease Joint Diseases Musculoskeletal Diseases OA Knee Pain Osteoarthritis Osteoarthritis, Knee Rheumatic Diseases

Age range

40 year–80 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Thammsat University

Pathum Thani, Changwat Pathum Thani, 12120, Thailand

About this study

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.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

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

Exclusion criteria

ACL insufficiency, inflammatory arthritis, posttraumatic arthritis

Treatment and study plan

mobile bearing UKA

Procedure

underwent mobile bearing UKA with standard surgical technique

Primary outcomes

VAS for medial knee pain

Time frame: 6 weeks to 2 years

0-10 points

Sponsors and collaborators

Lead sponsor

Thammasat University

Other

Registry information

Official study title

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

Acronym: bow leg

Important dates

Study start: 2021
Primary completion: 2021
Study completion: 2023
First posted: Jul 22, 2026
Registry last updated: Jul 22, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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