In Vivo Kinematic Comparison of Posterior Cruciate Ligament Retention or Sacrifice with a Mobile Bearing Total Knee Arthroplasty

Overview

Journal Am J Knee Surg

Specialties General Surgery
Orthopedics

Date 2002 Feb 6

PMID 11826919

Citations 19

Authors

J B Stiehl

D A Dennis

R D Komistek

P A Keblish

Affiliations

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Abstract

Video fluoroscopy and computer photogrammetry was used to evaluate 20 knees with posterior cruciate ligament (PCL) retaining and 19 knees with PCL sacrificing total knee arthroplasties (TKAs) with a mobile bearing total condylar prosthesis compared with 10 normal patients. In extension, femorotibial contact was posterior for TKA patients (P<.05) and demonstrated anterior translation from 60 degrees-90 degrees flexion. However, posterior rollback with limited translation was seen from 0 degrees-40 degrees, which may reflect the high congruity of this prosthesis. Fifty percent of meniscal bearing implants demonstrated bearing translation. Kinematics and weight-bearing range of motion were similar with PCL retention or sacrifice.

Citing Articles

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Mobile-bearing total knee arthroplasty implants combined with surface cementation produced satisfactory clinical and radiographic outcomes at the 5-year follow-up.

Ishii Y, Noguchi H, Sato J, Ishii H, Ishii R, Toyabe S Knee Surg Sports Traumatol Arthrosc. 2019; 27(7):2181-2188.

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Insall-Salvati ratio stabilizes one year after mobile-bearing total knee arthroplasty and does not correlate with mid-to-long-term clinical outcomes.

Ishii Y, Noguchi H, Sato J, Ishii H, Ezawa N, Toyabe S Knee Surg Sports Traumatol Arthrosc. 2018; 27(5):1604-1610.

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