What question did this study set out to answer?

This research aims to compare the effectiveness of restricted kinematic alignment total knee arthroplasty with mechanical alignment techniques.

March 2, 2026Arthroplasty0 citationsOpen Access

Restricted kinematic alignment total knee arthroplasty using augmented reality technology to maintain limb alignment within targeted boundaries

STSachiyuki TsukadaKinan Hospital HOHiroyuki OgawaMito Saiseikai General Hospital TNTsutomu NakayamaUniversity of Shizuoka

Key Points

This research aims to compare the effectiveness of restricted kinematic alignment total knee arthroplasty with mechanical alignment techniques.
Utilized augmented reality technology for surgical guidance
Compared restricted kinematic alignment with mechanical alignment
Evaluated intraoperative soft-tissue tension and postoperative walking speed
Achieved more balanced intraoperative soft-tissue tension with kinematic alignment
Postoperative walking speed was similar between both alignment methods

Abstract

Restricted kinematic alignment TKA using PCL retaining medial-congruent prosthesis achieved more balanced intraoperative soft-tissue tension than the mechanical alignment TKA using posterior-stabilized prosthesis. However, early postoperative walking speed did not differ between the two groups.

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