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Background Tibia vara (Blount’s disease) is an orthopedic condition that affects young children causing varus deformity of the knee. Blount described tibia vara as “an osteochondrosis located at the medial side of the proximal tibial epiphysis.” Currently, tibia vara is considered an acquired disease of the proximal tibial metaphysis, However, rather than an epiphyseal dysplasia or osteochondrosis. The exact cause is unknown, but enchondral ossification seems to be altered. Suggested causative factors include infection, trauma, osteonecrosis and a latent form of rickets, although none of these has been proved. Combination of hereditary and developmental factors is the most likely cause. Weight bearing must be necessary for its development because it does not occur in non-ambulatory patients and the relationship of early walking and obesity to Blount disease has been clearly documented. Purpose to establish, through the literatures, what is the effectiveness of temporary hemiepiphysiodesis by eight plate in treating Blount’s disease. Methodology A systematic review was carried out on several studies which met the inclusion criteria. In this Study we conducted an up-to-date review of the studies discussing results of use of eight plates in temporary hemiepiphysiodesis in Blount disease and published between June 2008 and June 2018. Results in our study, success rate is 67.1% with a considerable rate of correction of mechanical axis deviation ranging between 0.58 mm\month to 1.5mm\month. Success rate in infantile age group was 95%, while in adolescent age group was 48%. Conclusion it is evident that results of 8-plate in Blount disease is much better in infantile group of age than adolescent group. So, 8-plate can be used in treatment of Blount’s disease up to stage IV. The results are better in low BMI and younger age group .

Treatment of Blount’s Disease by Temporary Hemiepiphysiodesis Using Eight Plate (A Systematic Review)