الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
Osteoarthritis (OA) is a highly prevalent Rheumatic Musculo-skeletal Disorder, that affected 303 million people globally in 2017. It can affect any joint, but preferentially affects the knee, hands, hip and spine. OA has a considerable impact on the individual patient, resulting in pain and disability, and on society. Also, the economic burden of OA on patients and society is considerable High tibial osteotomy (HTO) is an accepted and commonly used treatment for younger patients with medial compartment knee osteoarthritis and varus deformity, which helps to delay the need for an arthroplastyHTO in patients with varus malalignment and unicompartmental gonarthrosis has multiple therapeutic goals. First, it aims to restore biomechanical posture and function to the mal-aligned joint, to reduce complaints, and to enable patients to reach higher levels of activity. Second, in severe cases, it serves as a last resort to avoid or delay prosthetic joint replacement Before osteotomy, it is ideal to confirm clinical and radiographic findings by arthroscopy of the knee to ensure that the unaffected compartment is healthy. This can be done in the same procedure In our study, we traced patients that underwent HTO for varus OA in the Arthroscopy and sports injury unit between January 2016 till December 2018 trying to assess pain relief, functional outcomes and patient satisfaction post-operative and found that there was significant reduction in pain. Als
after MOWHTO there was significant improvement in quality of life and return to daily activity. some patients reported pain and discomfort related to the implant at some point during the follow-up period. In this study, the procedure was done without using bone graft and complete union achieved in all the patients in the study, so we support OWHTO without bone graft which shortens the operative time and avoids unnecessary morbidity.