Pie-crusting technique is effective and safe to release superficial medial collateral ligament for total knee arthroplasty

Although pie-crusting technique has been used in TKA for years, it is seldom chosen to release medial collateral ligament, especially to release SMCL, which is a vital step of malalignment correction. This study aims to evaluate the efficacy and safety of this technique in total knee arthroplasty patients.