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JCEM:血清1,25-二羟维生素D预测高钙尿症

2016-11-14 MedSci MedSci原创

术后甲状旁腺机能减退症的治疗,可能出现高钙尿症,进而导致肾并发症。收集24小时尿液,检测高钙尿症通常被认为是不可靠的。 本项前瞻性横断面研究的目的是,寻找到口服钙和骨化三醇补充剂治疗的永久性术后甲状旁腺功能减退症患者,出现高钙尿症的预测生物标志物。 研究纳入了54例使用口服钙和骨化三醇补充剂治疗的永久性术后甲状旁腺功能减退症患者,以及17例没有甲状旁腺功能减退症的正常对照组。 高

术后甲状旁腺机能减退症的治疗,可能出现高钙尿症,进而导致肾并发症。收集24小时尿液,检测高钙尿症通常被认为是不可靠的。

本项前瞻性横断面研究的目的是,寻找到口服钙和骨化三醇补充剂治疗的永久性术后甲状旁腺功能减退症患者,出现高钙尿症的预测生物标志物。

研究纳入了54例使用口服钙和骨化三醇补充剂治疗的永久性术后甲状旁腺功能减退症患者,以及17例没有甲状旁腺功能减退症的正常对照组。

高钙尿症被定义为24小时尿钙超过300 mg。

非高钙尿症(n=21)与高钙尿症(n=33)患者比较,有更低的血清1,25-二羟维生素D水平(33.5+11.9 pg/ml vs. 45.8+9.5 pg/ml; p<0.001),白蛋白校正的血清钙水平相似(8.3+0.5 mg/dl vs. 8.6+0.5 mg/dl; p:ns),血清甲状旁腺激素水平相似(12.5+5.7 vs. 10.7+6.8; p:ns)。多元线性回归分析显示,维生素D和尿钙排泄量之间存在依赖关系(B= 6.2+1.423; p<0.001)。血清1,25-二羟维生素D阈值为33.5 pg/ml时,预测高钙尿症的敏感性为100%,特异性为63.6%,ROC曲线下面积为0.797。

对于口服钙和骨化三醇补充剂治疗的永久性术后甲状旁腺功能减退症患者,常规测量血清1,25-二羟维生素D,或许是预测高钙尿症的有用预测标志物。

原始出处:

García-Pascual L,et al.Serum 1,25-dihydroxyvitamin D as a biomarker of the absence of hypercalciuria in postsurgical hypoparathyroidism.J Clin Endocrinol Metab. 2016 Nov 4:jc20162987. [Epub ahead of print]

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    2017-07-08 smallant2015
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    2017-10-21 achengzhao
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    2016-11-14 陈安安

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