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Article Type

Original Study

Abstract

Background Multiplanar knee deformity needs correction in different axes; this can be achieved by the Ilizarov system, which utilizes the hinges and translation mechanism; this needs an effort or orientation and gradual correction. The Taylor spatial frame (TSF) fixator solves this problems; it consist of two rings or partial rings connecting by six telescopic struts at special universal joints. Patients and methods The study included six patients with complex post-traumatic knee deformity. They had genu varus, recurvatum, and shortening; two female individuals and four male individuals, with an age range from 16 to 20 years comprised our study sample. The TSF was used for correction. Mean follow-up postoperatively lasted for 10 months. All cases were assisted clinically, radiologically, and by the Lysholm and the Oxford knee scores. Result All patients' knee deformities were corrected by application of TSF. All patients are very satisfied; the Lysholm knee score improved from 55 to 90%. One patient has a 5° recurvatum which was compensated postoperatively without any complications. There were no leg length discrepancies. Conclusion The TSF fixator was able to correct a six-axes deformity and also leg length discrepancies by adjusting only strut lengths; one ring can be repositioned with respect to the other ring.

Keywords

Deformity, genu varus, knee scores, multiplanar, recurvatum, Taylor spatial frame

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