Purpose: Congenital pseudoarthrosis of the tibia (CPT) is a rare disease in children, and its treatment remains a challenge for orthopedic surgeons. The purpose of this study was to evaluate treatment outcomes of patients with CPT treated by using the Ilizarov method combined with intramedullary fixation.
Method: Eighteen patients evaluated retrospectively from January 2009 to January 2020 were treated using the Ilizarov method combined with intramedullary fixation. Demographic data, clinical characteristics, and complications were all recorded and investigated during the period of follow-up. Ankle function was evaluated by the American Orthopaedic Foot and Ankle Society (AOFAS) ankle-hindfoot scores at the last follow-up.
Result: The average follow-up was 39.2 months (25-85 months) for all 18 patients. The mean age was 6.2 years (3.5-11.2 years). Fourteen (77.8%) patients had a primary bone union at the site of pseudarthrosis, while four obtained union after secondary surgical intervention. The mean duration of the Ilizarov method was 8.1 months (4.2-13.5 months). Eight (44.4%) patients had a pin-tract infection during treatment. Four (22.2%) patients had proximal tibial valgus with a mean angle of 12.1° (5-25°), while seven (38.9%) patients had ankle valgus deformities with a mean of 10.3° (5-20°). Eleven (61.1%) patients had an average 1.4 cm of limb length discrepancy (LLD) (0.6-3.1 cm) postoperatively. Five (27.8%) patients had refracture and recovered after a secondary surgery. At the last follow-up, the average postoperative AOFAS score was 72 (55-84).
Conclusion: The Ilizarov method combined with intramedullary fixation is an effective method for the treatment of CPT, which can facilitate bony union and help to prevent refracture. Management of fibular pseudarthrosis is associated with functional outcomes. It is necessary to follow up until skeletal maturity and evaluate long-term clinical outcomes.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9152179 | PMC |
| http://dx.doi.org/10.3389/fsurg.2022.901262 | DOI Listing |
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