Deformity Correction of Knee and Leg Lengthening by Ilizarov Method in Hypophosphatemic Rickets: Outcomes and Significance of Serum Phosphate Level
- Affiliated Author(s)
- 송광순
- Alternative Author(s)
- Song, Kwang Soon
- Journal Title
- Journal of Pediatric Orthopedics
- ISSN
- 0271-6798
- Issued Date
- 2002
- Keyword
- Deformity correction; Hypophosphatemic rickets; Leg lengthening; Serum phosphate
- Abstract
- The authors evaluated 14 patients with hypophosphatemic rickets who underwent correction of a knee deformity along with a leg lengthening by the Ilizarov method. Deformity correction alone was performed in 8 femora and 4 tibiae-fibulae, and concomitant deformity correction and limb lengthening (>1.0 cm) in 9 femora and 19 tibiae-fibulae. The healing index correlated with the biochemical parameters. Knee deformities were satisfactorily corrected in all patients except one. There was a statistically significant negative correlation between the healing index and the serum phosphate level: those who had a serum phosphate level higher than 2.5 mg/dL showed a relatively rapid regenerate bone healing compared with those with less than 2.5 mg/dL. The authors conclude that a serum phosphate level of 2.5 mg/dL as a cut-off point should be considered in deciding whether deformity correction alone or with a concomitant leg lengthening should be undertaken.
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