Component Alignment

Background: As the surgical trend is following towards more anatomical quadriceps sparing approaches, there has been a debate whether these surgical approaches are compromising component alignment.

The Medial parapatellar and subvastus are two surgical approaches used for total knee arthroplasty in the study hospital. Whenever an alternative surgical approach was considered over a standard approach the rate of the adverse complications should be given serious consideration.

The component alignment is one of the most important factors for long term survival of implant and good functional knee scores. There were many studies comparing clinical and functional outcomes between medial parapatellar and subvastus approaches, but there were only