Hemiepiphysiodesis using 2-holed reconstruction plate for correction of angular deformity of the knee in children

Jayakrishnan, KN and Shah, Hitesh Hasmukhalal (2020) Hemiepiphysiodesis using 2-holed reconstruction plate for correction of angular deformity of the knee in children. Journal of Orthopaedics, 20. pp. 54-59. ISSN 0972-978X

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Abstract

Background: This study assesses the outcome of hemi epiphysiodesis with a 2-holed reconstruction plate using the tension band principle in angular deformities of the knee and variables influencing the outcome.Methods: Prospective study from 2012 to 2016 included 23 children with coronal deformities of the knee joint.IMD, ICD, BMI, mLDFA, mMPTA, mTFA, Mechanical axis deviation, Perpendicular mechanical axis ratio, and screw angle measured. Correction and rate of correction compared with BMI, age, etiology, PMAR and MAD,deformity, a segment of bone and the screw angle.Results: Total 65 segments operated in 23 children with 40 knees. Out of the total 65, 36 plates were kept in distal femur physis and 29 in the proximal tibial physis. Thirteen knees had genu varum and 27 had genu valgum. The mean age at the time of surgery was 11.25 months. The mean follow-up of 36 months and the average time for correction was 18.64 months. 77.5% correction achieved with ROC maximum in the initial 6 months. ROC in TFA per year were 7.80 (femur), 50 (tibia), and 120 (femur with tibia). Complications included broken implant, screw back out, screw irritation and rebound phenomenon.Conclusions: 2-holed reconstruction plate gives similar correction to that of the 8-plate within a comparable period without additional complications. It has the advantage of being cost effective and readily available. Age,BMI, type of deformity, amount of initial deformity, do not play a significant role in the outcome of correction.Screw placement may have a role in the final correction of the deformity.Level of evidence: Level 3

Item Type: Article
Uncontrolled Keywords: Angular deformity; Genuvalgum; Genuvarum; Hemiepiphysiodesis; Rebound phenomenon
Subjects: Medicine > KMC Manipal > Orthopaedics
Depositing User: KMC Library
Date Deposited: 14 Sep 2020 11:52
Last Modified: 14 Sep 2020 11:52
URI: http://eprints.manipal.edu/id/eprint/155620

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