联合用到跟头骨內移截头骨、末端圆柱拉长的移植手术新科技是疗程 IIB 期平缘性疾病的都用分析方法。如何防止前缘外展发育不良主因纠正，就此发挥作用理论化疗程和构建治果。本文就此弊端展开研究，供大家参考！
Abstract
•In the mid-1990s, a flatfoot reconstruction was proposed that combined the use of a medializing calcaneal osteotomy (MCO), a lateral column lengthening (LCL), and soft-tissue procedures for the treatment of stage IIB AAFD. More recent literature has suggested guidelines for the amount of correction necessary for each of these procedures based on individual deformity.
从 90 年代起，有作者指出联合用到跟头骨內移截头骨、末端圆柱拉长以及腹腔移植手术新科技疗程 IIB 期平缘性疾病。近年来，越来越多的文献指出了理论上纠正某种特定发育不良所需的外科规范。
•In this paper, we describe our technique for flatfoot reconstruction for stage IIB AAFD, which includes a MCO, LCL, and flexor digitorum longus (FDL) transfer. Importantly, we discuss our preferred method of preoperatively planning the amount of medial translation for the MCO as well as the maximum amount of LCL to prevent overcorrection of the abduction deformity. This allows us to tailor the reconstruction and optimize our results.
本文中，作者介绍了其疗程 IIB 期平缘的移植手术分析方法。更是重要的是讨论了术前相符跟头骨內移截头骨的移位总体和末端圆柱拉长中防止前缘外展发育不良主因纠正最大总体的分析方法，就此发挥作用理论化疗程和构建治果。
Studies looking at outcomes following flatfoot reconstructions for stage IIB AAFD demonstrate excellent short-term and long-term results. We conclude by discussing complications of the operation, postoperative management, and the future of the technique.
Level of Evidence: Diagnostic Level V.
同时作者也讨论了疗程 IIB 期平缘中短期和曾一度的并发性疾病情况
Background introduction
•The definition of Stage IIB Flatfoot
talar head uncoverage> 30%
•MCO 跟头骨內移截头骨
Koutsgiann, medial displacement 1/3-1/2
•LCL 末端圆柱拉长
Evans, lateral column elongation by osteotomy and bone graft
•MCO
medial load reducing medialization of heel cord insertion the amount of displacement is obscure(10 mm?- supported by caderic study)
跟头骨內移截头骨可以降低内侧纵弓的应力，內移腱止点，但单纯的內移总体早已相符。仅有的尸首细胞学实验建议內移 10 mm.
•LCL
forefoot abduction reduction hindfoot valgus correction (up to 60%)
末端圆柱拉长移植手术可以纠正前缘的外展发育不良，同时可以纠正约 60% 的后缘螺旋状发育不良
参考文献 ：
•LCL overcorrection will lead to
lateral column rigidity stress fracture of 5th metatarsal
但末端圆柱拉长主因可能导致缘末端纵弓的麻木，第 5 跖头骨应力主因集中后的病理性头右腿。
•What is the optimal correction that guarantee a satisfactory result?
如何通过恰当的发育不良纠正来保证满意的治果呢？
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