Knee revision using constrained implants is associated with greater stresses on the implant and interface surfaces. The present report describes a case of failure of the screw coupling between the stem and the femoral component. The cause of the failure is surmised with outline of the treatment in this case with extensive femoral bone loss. Revision implant stability was augmented with the use ...

BACKGROUND Total joint arthroplasty is a highly efficacious and cost-effective procedure for moderate to severe arthritis in the hip and knee. Although patient characteristics are considered to be important determinants of who receives total joint arthroplasty, no systematic review has addressed how they affect the outcomes of total joint arthroplasty. This study addresses how patient character...

total knee arthroplasty. Part 1 in the series, published in the January 2006 issue of Hospital Physician, reviewed evaluation, diagnosis, and classification of infection from a primary care physician’s perspective. This article discusses management of total knee arthroplasty infection from a surgical perspective. Once the diagnosis of deep infection has been established, a number of factors mus...

Total knee arthroplasty (TKA) is an excellent surgical procedure that can make severely damaged knees painless and stable, but it can be associated with many complications. Once complications develop, their management is not necessarily easy. The major complications include loosening, wear and breakage of the prosthetic components, patellar problems, fracture in the vicinity of the prosthesis, ...

For most orthopedists, total knee arthroplasty (TKA) has been regarded as the most effective surgery for patients with severe knee diseases. Though seldom occur, postoperative infection certainly remains one of the most devastating and dreaded complications of TKA. Thus, careful and early diagnosis is needed. After diagnosis, categorize the infection type and choose a rightful and sequential st...

OBJECTIVE To characterize arthroplasty procedures, calculate the surgical infection rate and identify related risk factors. METHODS This was a retrospective cohort study. Data on operations performed between 2010 and 2012 were gathered from documental sources and were analyzed with the aid of statistical software, using Fisher's exact test, Student's t test and the nonparametric Mann-Whitney ...

The purpose of this prospective randomized study was to compare the postoperative recovery and early results of 2 groups of patients undergoing total knee arthroplasty: 107 patients received an established fixed-bearing posterior-stabilized prosthesis (Legacy Posterior Stabilized [LPS]), and 103 patients the meniscal-bearing prosthesis (Meniscal Bearing Knee [MBK]). Surgical procedures were the...

The authors report three cases of unicompartmental knee arthroplasty (UKA), complicated with peri-operative periprosthetic fracture of the tibial plateau. The surgical technique was held responsible in all cases. The initial treatment was different in every case; all patients ultimately underwent revision total knee arthroplasty with a good functional outcome. The authors emphasise the importan...