Total Knee Arthroplasty for Treatment of Osteoarthritis of the Knee with Severe Malalignment

Background: Total knee Replacement proved to be an effective surgery that leads to restoration of joint function, limb alignment, beside elimination of pain in patients with osteoarthritis. Aim of the work: To assess the results of treatment of osteoarthritis of the knee with severe malalignment by total knee arthroplasty. Patient and Methods: 30 patients (12 males & 18 females) aged from 48 - 68 years who had advanced knee arthritis were operated by total knee replacement at Al-Azhar University Hospital [Damietta] and Damietta Specialized Hospital and followed up for average 12 months from December 2016 to March 2019. All patients were assessed by history taking, examination, radiological and laboratory investigations, and all were subjected to a three-phase postoperative rehabilitation protocol. Results: 19 patients (63.3 %) had excellent final result, 8 patients (26.7%) had good result, 2 patients (6.7 %) had fair result and one patient (3.3 %) had poor final result. In addition, there was significant improvement in pain relief and joint function Conclusion: Total Knee Replacement in severe malalignment is a challenging surgery. However, it leads to significant changes in the quality of life in most patients; regarding pain relief, improvement in joint function and early return to daily activities.