Temporary screw lateral hemiepiphysiodesis of the first metatarsal for juvenile hallux valgus deformity: A case series of 23 feet.
The Journal of Foot & Ankle Surgery Jun 24, 2021
Al Farii H, Marwan Y, Algarni N, et al. - As children affected with juvenile hallux valgus (JHV) can have limited quality of life because of disease activity, researchers herein examined the outcomes of temporary screw lateral hemiepiphysiodesis of the base of the first metatarsal. They conducted a chart review of patients who underwent temporary screw lateral hemiepiphysiodesis of the first metatarsal at a tertiary care pediatric orthopedic center and included a total of 23 feet of 14 patients (the mean age was 10.6 ± 1.8 years, while the bone age was 11.1 ± 1.8 years). During the mean follow-up period of 24.7 ± 13.4 months (range: 12 – 60 months), they noted improvement in the hallux valgus angle (HVA) from a mean of 30.9° ± 6.7° to a mean of 27.6° ± 8.2° and improvement in the intermetatarsal angle (IMA) from a mean of 14.6° ± 2.3° to a mean of 12.5° ± 3.0°. In patients with bone age of 12 years or less, they noted mean HVA correction of 5.00° ± 3.7° vs 1.50° ± 4.6° in patients with bone age of more than 12 years. Overall, findings suggest promising radiological outcomes of temporary screw lateral hemiepiphysiodesis of the first metatarsal for JHV deformity correction, especially in children with lesser bone age. Technically, the procedure was simple to conduct and had minor complications.
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