与暂时的先天性甲状腺功能低下症的诊断再评估相关的预测变量
Si-Hwa Gwag1, Kyu Hyun Park2, Eungu Kang1
1Department of Pediatrics, Korea University College of Medicine, Seoul, Korea.
Annals of pediatric endocrinology & metabolism
|July 8, 2025
概括
婴儿的较低妊娠年龄和levothyroxine剂量表明过渡性先天性甲状腺功能低下症 (TCH). 这可能允许早期停止甲状腺激素替代疗法,避免长期治疗TCH.
科学领域:
- 儿科内分泌学 儿科内分泌学
- 新生儿查 新生儿查
- 甲状腺疾病 甲状腺疾病
背景情况:
- 出生性甲状腺功能低下症 (CH) 诊断需要立即治疗.
- 目前的指导方针建议在3岁时重新评估下丘脑-垂体-甲状腺轴.
- 过渡性先天性甲状腺功能低下症 (TCH) 发病率的增加表明可能会导致早期停止治疗.
研究的目的:
- 调查与TCH相关的因素.
- 在CH患者中确定早期停止Levothyroxine的标志物.
- 区分TCH和永久性先天性甲状腺功能低下症 (PCH),以防止不必要的长期治疗.
主要方法:
- 研究包括167名被诊断患有先天性甲状腺功能低下症的儿童.
- 定义"早期开始组"为试图在2岁之前停止服用勒沃西的受试者.
- 利用考克斯的比例危险模型和ROC曲线分析来确定预测因素.
主要成果:
- 57%的参与者 (96/167) 患有TCH,而43% (71/167) 患有PCH.
- 较低的妊娠年龄 (GA) 和24个月后较低的勒沃西剂量与TCH相关.
- 在18个月后,3.03微克/公斤/天的Levothyroxine剂量预测了早期停药 (AUC=0.778).
结论:
- 较低的GA和降低的勒沃甲状腺素要求表明TCH的可能性更高.
- 在18个月时需要较低的Levothyroxine剂量的婴儿可能是3岁之前停止药物的候选人.
- 这项研究有助于优化先天性甲状腺功能低下症的治疗持续时间.
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