Journal
JOURNAL OF PEDIATRIC ORTHOPAEDICS
Volume 26, Issue 3, Pages 393-399Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/01.bpo.0000217716.64986.f0
Keywords
congenital pseudoarthrosis of tibia; residual deformity
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The pathology of congenital pseudoarthrosis of tibia is an enigma and the treatment is challenging. Despite achieving union of the pseudoarthrosis, these patients may have compromised function secondary to residual deformities. The purpose of this study is to analyze the prevalence of these deformities, the morbidity caused by them, and the methods to overcome the problems. Sixteen patients who had a successful union were retrospectively reviewed. Clinically, the following parameters were assessed: pain, joint stiffness, and limb length discrepancy (LLD). Anteroposterior and lateral lower extremity radiographs were performed to analyze (1) union of the tibia and fibula, (2) deformity of the tibia, (3) degree of ankle valgus, (4) degree of calcaneus of the os calcis, (5) LLD, and (4) refracture. The average follow-up was 16 years from the first and 8 years from the last surgical procedure. Residual deformities included vagus of tibia (average 11.4 degrees) and procurvatum (average 19.4 degrees) deformities of the tibia or valgus deformity of the ankle (average 21.3 degrees) and calcaneus of the os calcis (average 46 degrees). There were 9 refractures in 8 patients. Nine patients had an LLD (average 3.5 cm). The study demonstrates that careful follow-up of these patients is necessary and residual problems are to be treated as they occur.
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