Effect of RO On GB During TKR Severe Varus Deformity

Status Recruiting

Clinical Trial Summary

Effect Of Reduction Osteotomy On Gap Balancing During Total Knee Replacement For Severe Varus Deformity

Clinical Trial Description

Severe varus deformity with a tibio femoral angle of 15° or more as measured on full-length weight-bearing radiographs necessitates extensive release of the medial structures to gain neutral limb alignment during total knee arthroplasty (TKA). progressive releases of the medial structures are performed until medial and lateral envelopes are equally balanced. This technique, however, faces a risk of over-release and subsequent instability, ultimately resulting in the use of a thicker polyethylene insert or even a constrained-type prosthesis. Reduction osteotomy is known as a soft tissue-sparing technique for soft tissue balancing, and it is capable of reducing the amount of release required to balance the knee and of preventing over release of medial structures. Dixon et al . and Mullaji et al . proposed the effectiveness of down-sizing the tibial component in the case of knees with severe varus deformity Aim of the work: Assess the effect of reduction osteotomy on gab balancing during total knee arthroplasty for severe varus deformity -What is the amount of deformity correction achieved with reduction osteotomy during TKA in varus knees? - What is the correlation of amount of deformity correction achieved to the amount of bone osteotomized and the degree of varus deformity? ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03065738
Study type	Interventional
Source	Assiut University
Contact	Alaa Safwat, Msc
Phone	002-01067655744
Email	alaasafwat84@yahoo.com
Status	Recruiting
Phase	N/A
Start date	January 1, 2017
Completion date	February 1, 2018

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