Deformity correction for vitamin D-resistant hypophosphatemic rickets of adults |
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Authors: | Hidenori Matsubara Hiroyuki Tsuchiya Tamon Kabata Keisuke Sakurakichi Koji Watanabe Katsuro Tomita |
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Affiliation: | (1) Department of Orthopaedic Surgery, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-8641, Japan |
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Abstract: | We performed correction for bowing deformity of the lower extremities due to vitamin D-resistant hypophosphatemic rickets of three adults, six segments. The operative method was gradual correction and lengthening using distraction osteogenesis by Ilizarov external fixator or Heidelberg external fixator. The orders of the corrections were simultaneous correction of the bilateral femur for one patient, simultaneous correction of the ipsilateral leg for one patient, and diagonal correction of the bilateral leg for one patient. The mean correction angle was 30.5°. The mean external fixation period was 146 days. Each orders of the corrections had its merits and demerits. All patients obtained a physiological alignment and good bone formation by taking Vitamin D and oral phosphate supplements even an adult patient. All the patients had articular pain, such as hip, knee, and ankle, however, these pains healed up. All the patients were satisfied with the outcomes at the time of the final follow-up interview in terms of their cosmetic improvement. Distraction osteogenesis for bowing deformity of the lower extremities due to vitamin D-resistant hypophosphatemic rickets was very effective method and could be applied to adult patients. However, the order of the corrections should be considered carefully depending on each patient. |
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Keywords: | Rickets Deformity External fixator Adult Distraction osteogenesis |
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