PURPOSE The aims of this study were to evaluate the recovery of physical function and to investigate whether there are factors that adversely affect functional recovery after cosmetic bilateral lengthening of the tibia. METHODS One hundred twenty-five healthy individuals who had undergone bilateral cosmetic tibia lengthening by the lengthening and then nail (LATN) method, lengthening over intramedullary nail (LON) method or intramedullary skeletal kinetic distractor (ISKD) were included in the study. Functional outcomes were evaluated using the Sports Activity Rating Scale (SARS), International Knee Documentation Committee (IKDC) Subjective Knee Form and patient self-reported ability scores. RESULTS SARS and IKDC scores decreased at post-operative one year and improved significantly at post-operative two years. SARS and IKDC scores recovered similarly to pre-operative levels. Average patient self-reported ability scores at post-operative two years were 94.6 and 89.9 for daily living and light sports, respectively. However, the average score for moderate-to-strenuous sports was 68.1 and 39 patients (31.2%) recorded below average score for the moderate-to-strenuous sports. CONCLUSIONS Patients who had undergone bilateral cosmetic tibial lengthening may expect almost full recovery of daily and light sports activities at post-operativetwo years. However, several patients may feel some limitation in moderate-to-strenuous sports activities.

中文翻译：

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美容性双侧胫骨延长后，日常生活和体育活动的功能恢复。

目的这项研究的目的是评估身体机能的恢复，并调查是否有因素对胫骨美容性双侧加长后的功能恢复产生不利影响。方法研究对象包括一百二十五名健康人，他们分别接受了通过加长再钉（LATN）法，加长髓内钉（LON）法或髓内骨骼动力牵引器（ISKD）加长了双侧胫骨美容性胫骨的研究。使用体育活动评定量表（SARS），国际膝关节文献委员会（IKDC）主观膝关节形式和患者自我报告的能力评分来评估功能结局。结果SARS和IKDC评分在术后1年下降，在术后2年显着改善。SARS和IKDC评分的恢复与术前相似。术后两年，患者日常活动和轻度运动的平均自我报告能力得分分别为94.6和89.9。但是，中度至剧烈运动的平均得分为68.1，有39名患者（31.2％）记录为中度至剧烈运动的平均得分以下。结论接受了双侧胫骨美容整形术的患者，术后两年后，日常和轻度运动活动有望完全恢复。但是，一些患者在中度至剧烈的运动中可能会感到有些局限。中度至剧烈运动的平均得分为68.1，有39名患者（31.2％）记录为中度至剧烈运动的平均得分以下。结论接受了双侧胫骨美容整形术的患者，术后两年后，日常和轻度运动活动有望完全恢复。但是，一些患者在中度至剧烈的运动中可能会感到有些局限。中度至剧烈运动的平均得分为68.1，有39名患者（31.2％）记录为中度至剧烈运动的平均得分以下。结论接受了双侧胫骨美容整形术的患者，术后两年后，日常和轻度运动活动有望完全恢复。但是，一些患者在中度至剧烈的运动中可能会感到有些局限。