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The Bone & Joint Journal
Vol. 102-B, Issue 4 | Pages 442 - 448
1 Apr 2020
Kayani B Konan S Ahmed SS Chang JS Ayuob A Haddad FS

Aims

The objectives of this study were to assess the effect of anterior cruciate ligament (ACL) resection on flexion-extension gaps, mediolateral soft tissue laxity, maximum knee extension, and limb alignment during primary total knee arthroplasty (TKA).

Methods

This prospective study included 140 patients with symptomatic knee osteoarthritis undergoing primary robotic-arm assisted TKA. All operative procedures were performed by a single surgeon using a standard medial parapatellar approach. Optical motion capture technology with fixed femoral and tibial registration pins was used to assess study outcomes pre- and post-ACL resection with knee extension and 90° knee flexion. This study included 76 males (54.3%) and 64 females (45.7%) with a mean age of 64.1 years (SD 6.8) at time of surgery. Mean preoperative hip-knee-ankle deformity was 6.1° varus (SD 4.6° varus).


The Bone & Joint Journal
Vol. 102-B, Issue 3 | Pages 273 - 275
1 Mar 2020
Ahmed SS Haddad FS