Abstract
Unicondylar Knee Arthroplasty (UKA) is an early alternative surgical procedure for the unicondylar osteoarthritis or damaged knee joint with artificial prosthesis for the release of disabling painful condition and restoring the normal knee functions. Minimally UKA is one of the recent and the majority successful procedures in modern orthopedics for the osteoarthritis which is spreading throughout the worldwide. Recently, many orthopedic surgeons are expanding their abilities in this field. However, it needs good knowledge and well experience for the successful clinical outcomes. The minimal invasive approach is more efficient for short hospital stay and faster postoperative recovery with low morbidity of the patients after UKA. The aim of this article is to emphasize the steps in UKA based on modern facts: function of knee joint, diagnosis, less invasive approach for medial condylar replacement, radiographic evaluation, and earlier recovery, selecting the patient and implant survivorship with review of surgery.
Highlights
IntroductionThe knee is the most common large joints which are affected by osteoarthritis. In 1950s, the concept of Unicondylar Knee Arthroplasty (UKA) was firstly initiated by MacIntosh and Mckeever, over hemiarthroplasty and useful as metal space maker [inflexible element] in unicondylar knee compartment [1]
Unicondylar Knee Arthroplasty (UKA) is one of the recent and the majority successful procedures in modern orthopedics for the osteoarthritis which is spreading throughout the worldwide
The minimal invasive approach is more efficient for short hospital stay and faster postoperative recovery with low morbidity of the patients after UKA
Summary
The knee is the most common large joints which are affected by osteoarthritis. In 1950s, the concept of Unicondylar Knee Arthroplasty (UKA) was firstly initiated by MacIntosh and Mckeever, over hemiarthroplasty and useful as metal space maker [inflexible element] in unicondylar knee compartment [1]. St. Georg and Marmor Knee introduced the former current single compartmental device in 1969 and 1972 respectively [4]. Georg and Marmor Knee introduced the former current single compartmental device in 1969 and 1972 respectively [4] The purpose of this procedure was to amplify the post-operative improvement to lessen the hospital stay and speedy recovery to return back to regular daily activities with proper knee function [3]. The alternative choices for surgical supervision are unicompartmental arthroplasty, valgus high tibial osteotomy and total knee arthroplasty [6]. Patients who underwent UKA had a better functional outcomes rate than Total Knee Arthroplasty (TKA). UKA had lower rate due to device type, elevated body mass [obesity], age, unexplained pain, limb alignments, unicondylar implant’s location and lack of the surgeon’s skills [8]
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