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First received: March 27, 2026

Clinical Trial: Effect of J-Shaped Incision After Total Knee Arthroplasty (J-TKA)

Study Status: COMPLETED

Recruit Status: COMPLETED

Condition: Osteoarthritis, Knee

Study Type: INTERVENTIONAL


Official Title: J-Shaped Incision Reduces Peri-incisional Numbness and Pain After Primary Total Knee Arthroplasty: A Prospective Randomized Controlled Trial

Brief Summary: This prospective randomized controlled trial evaluates whether a modified J-shaped skin incision can reduce peri-incisional numbness after primary total knee arthroplasty (TKA) compared with the conventional midline skin incision. Peri-incisional numbness is a common postoperative complaint after TKA and is thought to be mainly related to injury of the infrapatellar branch of the saphenous nerve. Although often considered a minor issue, it may adversely affect postoperative comfort, pain perception, and patient…

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