学龄儿童距骨形态学研究
Journal: Frontier Forum of Clinical Medicine DOI: 10.12238/ffcr.v3i7.17760
Abstract
目的：探讨8–15岁学龄儿童距骨形态随年龄增长的变化规律，为儿童足部发育评估及临床干预提供依据。方法：选取8–15岁健康学龄儿童240例（男120例，女120例），按年龄分为8–9岁、10–11岁、12–13岁、14–15岁四组，每组60例。采用CT三维重建技术获取距骨图像，测量距骨长度（TL）、高度（TH）、滑车宽度（ATW、MTW、PTW）、距骨头长度（HL）、宽度（HW）、颈高度（NH）、倾斜角（TTA）及内翻角（IA）。采用ANOVA及Pearson相关分析比较差异。结果：所有测量指标均随年龄增长呈显著增加趋势（P < 0.01），其中距骨长度、高度及滑车各部位宽度在12–13岁组后增速加快；倾斜角与内翻角在各年龄组间差异无统计学意义（P >0.05）。性别间比较显示，14–15岁组男性距骨各项线性指标显著大于女性（P <0.05）。结论：学龄儿童距骨线性尺寸随年龄呈阶段性增长，尤其青春期前后增长显著，而角度参数保持稳定。本研究数据可为儿童足部生物力学建模及矫形干预提供参考依据。
Keywords
距骨；形态学；学龄儿童；CT三维重建；骨骼发育
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