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Results of the modified reverse step-cut osteotomy in paediatric cubitus varus

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Abstract

Purpose

Cubitus varus deformity occurs in children as a late consequence of supracondylar fracture of the distal humerus. Different types of corrective osteotomies have been described, but a gold standard has not yet been established. The aim of this study is to report the clinical, radiological, and cosmetic outcome of the modified reverse step-cut osteotomy technique.

Methods

This study was conducted on 15 cases, which were operated during the period between July 2015 and June 2016. We used the technique modified reverse step-cut osteotomy with the calculated medial translation of the distal fragment to correct varus and sagittal plane deformity and to achieve anatomical alignment of the forearm axis with the axis of the humerus. Follow-up was done for two years. Pre-operative and post-operative clinical and radiological parameters were compared, and patient satisfaction was assessed.

Results

The mean pre-operative humerus-elbow-wrist (HEW) angle was − 22.4°; it improved to + 9.4° post-operatively. The pre-operative mean range of motion was 131.6°, and the post-operative mean was 132°. The clinico-radiological outcome was assessed according to Oppenheim criteria. There was an excellent result in nine patients (60%), a good result in five patients (33.3%), and poor results in one patient (6.6%). Cosmetic outcome was assessed as per Barrett’s criteria, excellent result in thirteen patients (86.6%) and poor results in two patients (13.3%). Post-operative lateral condylar prominence index (LCPI) was compared with the normal side, and there was no significant difference.

Conclusion

We have achieved satisfactory results with acceptable cosmetic appearance and functional outcomes with minimal complications. We recommend this technique as a safe, reliable, reproducible, technically easy procedure for correction of cubitus varus deformity.

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Authors and Affiliations

  1. Department of Orthopaedics, PGIMER Chandigarh, 162 K Block Mdh Pgimer, Chandigarh, 160012, India

    Saurabh Vashisht, Pebam Sudesh, Nirmal Raj Gopinathan, Deepak Kumar, S. R. Karthick & Vijay Goni

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  1. Saurabh Vashisht
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  2. Pebam Sudesh
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  3. Nirmal Raj Gopinathan
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Correspondence to Saurabh Vashisht.

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Vashisht, S., Sudesh, P., Gopinathan, N.R. et al. Results of the modified reverse step-cut osteotomy in paediatric cubitus varus. International Orthopaedics (SICOT) 44, 1417–1426 (2020). https://doi.org/10.1007/s00264-020-04648-0

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