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Acta Orthop. Aug 7, 2009; 80(4): 435–439.
Published online Aug 1, 2009. doi:  10.3109/17453670903153535
PMCID: PMC2823189
Lower limb deformity due to failed trauma treatment corrected with the Ilizarov technique
Factors affecting the complication rate in 52 patients
Hubert J Oostenbroek,corresponding author1,2 Ronald Brand,3 and Peter M van Roermund1
1Department of Orthopedics, University Medical Centre, Utrecht, the Netherlands
2Department of Orthopedics, Leiden University Medical Centre, Leiden, the Netherlands
3Department of Medical Statistics, Leiden University Medical Centre, Leiden, the Netherlands
corresponding authorCorresponding author.
Correspondence HJO: hj/at/oostenbroek.nl
Received April 2, 2008; Accepted January 16, 2009.
Abstract
Background and purpose Failed treatment of fractures may be corrected by the Ilizarov technique but complications are common. In 52 patients with compromised healing of femoral and tibial fractures, the results of secondary reconstruction with Ilizarov treatment were investigated retrospectively in order to identify the factors that contribute to the risk of complications.
Methods 52 consecutive patients was analyzed. The median interval between injury and secondary reconstruction was 3 (0.1–27) years. The patients had failed fracture treatment resulting in bone defects, pseudarthrosis, infection, limb length discrepancy (LLD) caused by bone consolidation after bone loss, malunion, soft-tissue loss, and stiff joints. Most patients had a combination of these deformities. The results were analyzed by using logistic regression in a polytomous universal mode (PLUM) logistic regression model.
Results The median treatment time was 9 (4–30) months, and the obstacle and complication rate was 105% per corrected bone segment. In 2 patients treatment failed, which resulted in amputation. In all other patients healing of nonunion could be established, malunion could be corrected, and infections were successfully treated. The statistical analysis revealed that relative bone loss of the affected bone was the only predictor for occurrence of complications. From these data, we constructed a simple graph that shows the relationship between relative bone loss of the affected bone and risk of complications.
Interpretation Relative bone loss of the affected bone segment is the main predictor of complications after Ilizarov treatment of previously failed fracture treatment. The visualization of the analysis in a simple graph may assist comparison of the complication rates in the literature.
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