JCEM:血清降钙素原在预测甲状腺功能减退症患者细菌性败血症中的作用

2019-08-02 xing.T MedSci原创

由此可见,尽管甲状腺来源的PCT,甲状腺功能减退症并不影响血清PCT水平在预测细菌性败血症或败血症性休克中的诊断性能。

在生理条件下降钙素原(PCT)是由甲状腺C细胞产生的蛋白质,在败血症期间发现其血清水平升高。近日,内分泌和代谢性疾病领域权威杂志Journal of Clinical Endocrinology & Metabolism上发表了一篇研究文章,与甲状腺功能正常个体相比,该研究旨在评估血清PCT在预测甲状腺功能减退症患者细菌性败血症和脓毒性休克方面的表现。

这项回顾性研究对连续无甲状腺功能障碍(甲状腺功能正常)、原发性甲状腺功能减退症[医学甲状腺功能减退症(MH)]和甲状腺全切除术(TT)的甲状腺功能减退症患者进行了回顾性研究。快速序贯器官衰竭评估得分≥2或细菌培养阳性鉴定出细菌性败血症,以及平均动脉压低于65或需要血管加压剂治疗来定义感染性休克。研究人员测量了PCT对评估细菌性败血症和败血症性休克的敏感性和特异性。

研究人员确定了217例甲状腺功能正常者,197例MH患者和84例TT患者。在98例(45.2%)甲状腺功能正常,92例(46.7%)MH患者和36例(42.9%)TT患者中发现了细菌性败血症(p>0.05)。在13例(6.0%)甲状腺功能正常个体,13例(6.6%)MH患者和5例(6.0%)TT患者中发现了感染性休克(p>0.05)。PCT截止值为0.5μg/L对于甲状腺功能正常、MH患者和TT患者诊断细菌性败血症,敏感性分别为59%、61%和53%(p>0.05),诊断特异性分别为81%、77%和81%(p>0.05)。PCT截止值为0.2μg/L对于甲状腺功能正常、MH患者和TT患者诊断细菌性败血症,敏感性分别为46%、62%和63%(p>0.05),特异性分别为86%、82%和91%(p>0.05)。

由此可见,尽管甲状腺来源的PCT,甲状腺功能减退症并不影响血清PCT水平在预测细菌性败血症或败血症性休克中的诊断性能。 

原始出处:

Aditya S Shirali,et al.The role of serum procalcitonin in predicting bacterial sepsis in patients with hypothyroidism.J Clin Endocrinol Metab. 2019.https://doi.org/10.1210/jc.2019-01082

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    2020-03-27 achengzhao
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    2019-08-03 smallant2015
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