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- Title
Posteromedial release combined with arthrodesis of the talocalcaneal and calcaneocuboid joints for equinovarus associated with myelodysplasia: Clinical outcomes assessment preliminary report.
- Authors
Watanabe, Hideaki; Fukushima, Takashi; Taki, Naoya; Sugawara, Ryo; Inoue, Hirokazu; Takeshita, Katsushi; Kikkawa, Ichiro
- Abstract
Abstract Background Whether arthrodesis is necessary to correct equinovarus associated with myelodysplasia in children, possibly preventing its recurrence, is controversial. At our hospital, patients >4 years of age with equinovarus associated with myelodysplasia are treated with posteromedial release combined with arthrodesis of the talocalcaneal and calcaneocuboid joints. This retrospective study aimed to reinvestigate the postoperative outcomes of this surgery. Methods The outcomes were evaluated by clinically assessing patients' records according to de Carvalho Neto and Machida, focusing on related complications, union rate after arthrodesis in talocalcaneal and calcaneocuboid joints, evidence of osteoarthritis in the talocrural joint, and the angle of the ankle joint on plain radiographs at the final follow-up >1 year postoperatively. Results We evaluated 12 feet from nine patients. The mean age at the time of surgery was 5 years, and the mean follow-up was 78 months. The clinical assessment according to de Carvalho Neto et al. was "good" in 10 cases and "fair" in 2 cases. The Machida et al. assessment was "excellent" in 5 cases, "good" in 2 cases, and "fair" in 5 cases. One fracture occurred in a single proximal tibia (8%). Union rate after arthrodesis was 83% in the talocalcaneal joint and 42% in the calcaneocuboid joint. There was no evidence of osteoarthritis in the talocrural joint. Postoperative tibiocalcaneal (TiCa) and tibiotalor (TiTa) angles, measured in maximum dorsiflexion, were significantly smaller than the preoperative angles (p = 0.01 for both). Postoperative TiCa and TiTa angles measured in maximum plantar flexion minus the TiCa and TiTa angles measured in maximum dorsiflexion were not significantly less than the preoperative angles (p = 0.23 and 0.62, respectively). Conclusion Our surgical outcomes were generally good. However, we must monitor the patients for recurrence because of the relatively low 42% union rate of the calcaneocuboid joint.
- Subjects
SUBTALAR joint; ARTHRODESIS; CLUBFOOT; ANKLE; PATIENT monitoring; DORSIFLEXION
- Publication
Journal of Orthopaedic Science, 2019, Vol 24, Issue 2, p320
- ISSN
0949-2658
- Publication type
Article
- DOI
10.1016/j.jos.2018.09.023