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Minimal-Incision Technique With Modified Tracking Pin Placement Versus Standard Robotic-Assisted Total Knee Arthroplasty
Sponsor: Hallym University Kangnam Sacred Heart Hospital
Summary
This randomized controlled trial will compare a minimal-incision and soft-tissue-preserving (MISI) technique with the standard surgical technique in patients undergoing robotic-assisted total knee arthroplasty for knee osteoarthritis. A total of 100 participants will be randomly assigned in a 1:1 ratio to undergo either the MISI technique, which uses a reduced skin incision, limited soft-tissue dissection, and modified tracking pin placement, or the standard technique. The primary outcome is postoperative scar assessment at 3 months. Secondary outcomes include incision length, wound oozing, thigh pain and tenderness, recovery of straight-leg raising, tracking pin-related complications, patellar height, patient-reported scar assessments, and functional outcomes during follow-up.
Official title: Comparison of a Minimal Incision and Minimal Soft-Tissue Injury (MISI) Technique Versus the Standard Technique in Robotic-Assisted Total Knee Arthroplasty: A Randomized Controlled Trial
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
100
Start Date
2026-08-17
Completion Date
2028-05-31
Last Updated
2026-08-14
Healthy Volunteers
No
Conditions
Interventions
MISI Robot-Assisted Total Knee Arthroplasty
Robot-assisted total knee arthroplasty performed using an approximately 10-cm main incision, limited soft-tissue dissection, two femoral tracking pins inserted through the main incision, and one tibial tracking pin inserted through an additional approximately 5-mm incision.
Standard Robotic-Assisted Total Knee Arthroplasty
Robot-assisted total knee arthroplasty performed using the standard incision and soft-tissue exposure, with conventional placement of four tracking pins in the femoral and tibial regions and an additional femoral incision.
Locations (1)
Hallym University Kangnam Sacred Heart Hospital
Seoul, South Korea