虚假甲状腺功能过高是由于免疫检测的干扰引起的
Clara Jiménez García1, Piedad Ortega Fernández2, María Eugenia Torregrosa Quesada1
1Laboratory of Hormones, Hospital General Universitario de Alicante, Pintor Baeza 11, Alicante, Spain.
Advances in laboratory medicine
|June 26, 2023
概括
甲状腺功能免疫试验可能会受到干扰的影响,导致不准确的结果. 这一案例凸显了干扰剂如何影响患者的甲状腺刺激激素 (TSH) 和自由甲状腺素 (FT4) 测量,尽管她没有症状.
科学领域:
- 临床化学 临床化学
- 内分泌学 在内分泌学.
- 实验室医学 实验室医学
背景情况:
- 用于测试甲状腺功能的免疫测试容易受到各种干扰.
- 干扰可能导致对结果的误解,并影响临床决策.
- 准确的甲状腺激素评估对于患者管理至关重要.
研究的目的:
- 报告一种影响甲状腺功能测试的方法干扰情况.
- 调查临床表现和实验室发现之间的差异的原因.
- 为了识别影响甲状腺激素 (TSH) 和自由甲状腺素 (FT4) 测试的干扰剂.
主要方法:
- 在放射性治疗后患有阳性性甲状腺功能低下症的患者的病例介绍.
- 甲状腺功能的临床评估和生化评估.
- 实验室调查以确定和排除TSH和FT4测定中的方法干扰.
主要成果:
- 一名37岁的无症状妇女呈现了低甲状腺症的生化发现 (TSH:7.75 mU/L,FT4:>7.7 ng/dL).
- 临床状态和实验室结果之间的差异表明干扰.
- 鉴定出干扰剂,影响TSH和FT4测量.
结论:
- 方法干扰可以显著影响甲状腺功能测试结果.
- 在临床和生化数据不一致时,必须进行彻底的实验室评估,以检测干扰.
- 干扰剂的识别对于准确的甲状腺激素测定至关重要.
相关概念视频
Synthesis and Regulation of Thyroid Hormones
4.8K
Low blood levels of the thyroid hormones — triiodothyronine (T3) and thyroxine (T4) — signal the hypothalamus to release the thyrotropin-releasing hormone (TRH). TRH then reaches the pituitary gland and stimulates the release of thyroid-stimulating hormone(TSH) into the bloodstream.
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The...
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The...
4.8K
Atomic Absorption Spectroscopy: Interference
856
Interference leads to systematic error in atomic absorption (AA) measurements by enhancing or diminishing the analytical signal or the background. These interferences can be grouped into three main categories: spectral interference, chemical interference, and physical interference.
Spectral interference occurs when signals from other elements or molecules overlap with the analyte signal, falsely elevating or masking the analyte's absorbance. This interference can be corrected using Zeeman,...
Spectral interference occurs when signals from other elements or molecules overlap with the analyte signal, falsely elevating or masking the analyte's absorbance. This interference can be corrected using Zeeman,...
856
Inductively Coupled Plasma-Mass Spectrometry (ICP-MS): Interferences
529
Inductively coupled plasma–mass spectrometry (ICP–MS) is a highly selective and sensitive technique for accurate elemental analysis. Though the analysis of ICP–MS mass spectra is comparatively straightforward, it is affected by spectroscopic and non-spectroscopic interferences. Spectroscopic interferences arise when the plasma contains ionic species with an m/z value the same as the analyte ion. Spectroscopic interference can be categorized as isobaric, polyatomic ions, and...
529
Atomic Emission Spectroscopy: Interference
233
In atomic emission spectroscopy (AES), high-temperature atomizers excite a broad range of elements and molecules that generate complex emissions from sources such as oxides, hydroxides, and flame combustion products in the flame or plasma. Several strategies can be employed to minimize spectral interferences caused by overlapping emission lines or bands. These include increasing instrument resolution, choosing alternative emission lines, optimally placing the detector in low-background regions,...
233
Errors occurring during blood pressure monitoring
781
Blood pressure monitoring is a crucial clinical procedure in diagnosing and managing various cardiovascular conditions. Despite its significance, the accuracy of blood pressure measurements can be compromised by multiple factors, potentially leading to either falsely high or low readings. These inaccuracies are critical as they can significantly impact patient care. So, it is vital to understand these challenges deeply and adopt strategic approaches to minimize errors.
Several factors...
Several factors...
781


