title: Evaluation of the posterior cruciate ligament in long standing cruciate retaining total knee arthroplasty.
abstract: We evaluated the status of the posterior cruciate ligament in 52 knees with a cruciate retaining total knee arthroplasty 11 years after the index surgery. The evaluation consisted of the Knee Society scores, clinical examination of antero-posterior laxity using the Lachmann test and posterior drawer test. We also used the KT 1000 device, stress radiographs and MRI scan to corroborate this. Three knees were found to be lax clinically and had a posterior tibial shift on radiographs. The MRI scans were able to delineate the posterior cruciate ligament in 86% of the knees. Eleven years after surgery, clinical, radiological and MRI scans when assessed in combination demonstrated the presence of a stable posterior cruciate ligament in 94%.
authors.affiliation: Knee Unit, Medanta Bone and Joint Institute (MBJI), Medanta-The Medicity, Gorgaon, Haryana, India.
authors.forename: Ashok
authors.initials: A
authors.lastname: Rajgopal
authors.forename: Attique
authors.initials: A
authors.lastname: Vasdev
authors.forename: Vivek
authors.initials: V
authors.lastname: Dahiya
authors.forename: Vipin
authors.initials: V
authors.lastname: Tyagi
mesh_terms: D000368:Aged; D019645:Arthroplasty, Replacement, Knee / Q000379:methods*; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D016119:Posterior Cruciate Ligament / Q000000981:diagnostic imaging / Q000473:pathology*; D011859:Radiography