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Abnormal bone mineral density and content in girls with early-onset anorexia nervosa
Journal of Eating Disorders ( IF 3.5 ) Pub Date : 2021-01-10 , DOI: 10.1186/s40337-020-00365-6
Julia Clarke , Hugo Peyre , Marianne Alison , Anne Bargiacchi , Coline Stordeur , Priscilla Boizeau , Grégor Mamou , Sophie Guilmin Crépon , Corinne Alberti , Juliane Léger , Richard Delorme

Background Early-onset anorexia nervosa (EO-AN) represents a significant clinical burden to paediatric and mental health services. The impact of EO-AN on bone mineral abnormalities has not been thoroughly investigated due to inadequate control for pubertal status. In this study, we investigated bone mineral abnormalities in girls with EO-AN regardless of pubertal development stage. Method We conducted a cross-sectional study of 67 girls with EO-AN (median age = 12.4 [10.9–13.7 years]) after a median duration of disease of 1.3 [0.6–2.0] years, and 67 healthy age-, sex-, pubertal status- matched control subjects. We compared relevant bone mineral parameters between groups: the total body bone mineral density [TB-BMD], the lumbar spine BMD [LS-BMD], the total body bone mineral content [TB-BMC] and the ratio of the TB-BMC to lean body mass [TB-BMC/LBM]. Results TB-BMD, TB-BMC, LS-BMD and TB-BMC/LBM were all significantly lower in patients with AN compared to controls. In the EO-AN group, older age, later pubertal stages and higher lean body mass were associated with higher TB-BMC, TB-BMD, and LS-BMD values. Discussion Girls with EO-AN displayed deficits in bone mineral content and density after adjustment for pubertal maturation. Age, higher pubertal stage and lean body mass were identified as determinants of bone maturation in the clinical population of patients with EO-AN. Bone health should be promoted in patients, specifically in those with an onset of disorder before 14 years old and with a delayed puberty.

中文翻译:

早发性神经性厌食症女孩骨密度和含量异常

背景 早发性神经性厌食症 (EO-AN) 是儿科和心理健康服务的重大临床负担。由于对青春期状态的控制不足,EO-AN 对骨矿物质异常的影响尚未得到彻底研究。在这项研究中,我们调查了 EO-AN 女孩的骨矿物质异常,而不管青春期发育阶段如何。方法 我们对 67 名患有 EO-AN 的女孩(中位年龄 = 12.4 [10.9-13.7 岁])进行了一项横断面研究,该女孩的疾病中位持续时间为 1.3 [0.6-2.0] 年,以及 67 名健康年龄、性别- ,青春期状态匹配的对照受试者。我们比较了各组之间的相关骨矿物质参数:全身骨矿物质密度 [TB-BMD]、腰椎 BMD [LS-BMD]、全身骨矿物质含量 [TB-BMC] 和 TB-BMC 与瘦体重的比率 [TB-BMC/LBM]。结果 与对照组相比,AN 患者的 TB-BMD、TB-BMC、LS-BMD 和 TB-BMC/LBM 均显着降低。在 EO-AN 组中,年龄较大、青春期后期和较高的瘦体重与较高的 TB-BMC、TB-BMD 和 LS-BMD 值相关。讨论 EO-AN 女孩在调整青春期成熟后显示出骨矿物质含量和密度的缺陷。年龄、较高的青春期阶段和瘦体重被确定为 EO-AN 患者临床人群骨成熟的决定因素。应促进患者的骨骼健康,特别是那些在 14 岁之前发病且青春期延迟的患者。与对照组相比,AN 患者的 LS-BMD 和 TB-BMC/LBM 均显着降低。在 EO-AN 组中,年龄较大、青春期后期和较高的瘦体重与较高的 TB-BMC、TB-BMD 和 LS-BMD 值相关。讨论 EO-AN 女孩在调整青春期成熟后显示出骨矿物质含量和密度的缺陷。年龄、较高的青春期阶段和瘦体重被确定为 EO-AN 患者临床人群骨成熟的决定因素。应促进患者的骨骼健康,特别是那些在 14 岁之前发病且青春期延迟的患者。与对照组相比,AN 患者的 LS-BMD 和 TB-BMC/LBM 均显着降低。在 EO-AN 组中,年龄较大、青春期后期和较高的瘦体重与较高的 TB-BMC、TB-BMD 和 LS-BMD 值相关。讨论 EO-AN 女孩在调整青春期成熟后显示出骨矿物质含量和密度的缺陷。年龄、较高的青春期阶段和瘦体重被确定为 EO-AN 患者临床人群骨成熟的决定因素。应促进患者的骨骼健康,特别是那些在 14 岁之前发病且青春期延迟的患者。讨论 EO-AN 女孩在调整青春期成熟后显示出骨矿物质含量和密度的缺陷。年龄、较高的青春期阶段和瘦体重被确定为 EO-AN 患者临床人群骨成熟的决定因素。应促进患者的骨骼健康,特别是那些在 14 岁之前发病且青春期延迟的患者。讨论 EO-AN 女孩在调整青春期成熟后显示出骨矿物质含量和密度的缺陷。年龄、较高的青春期阶段和瘦体重被确定为 EO-AN 患者临床人群骨成熟的决定因素。应促进患者的骨骼健康,特别是那些在 14 岁之前发病且青春期延迟的患者。
更新日期:2021-01-10
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