- Adrenal Gland
- Aldosterone Immunoassay-Specific Cutoff Value for Seated Saline Suppression Test for Diagnosing Primary Aldosteronism
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So Yoon Kwon, Jiyun Park, So Hee Park, So Hyun Cho, You-Bin Lee, Soo-Youn Lee, Jae Hyeon Kim
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Endocrinol Metab. 2022;37(6):938-942. Published online December 6, 2022
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DOI: https://doi.org/10.3803/EnM.2022.1535
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 Abstract
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- A seated saline loading test (SLT) using liquid chromatography-tandem mass spectrometry (LC-MS/MS) is one of the most accepted confirmatory tests of primary aldosteronism. However, LC-MS/MS is time-consuming and is not widely available in diagnostic laboratories compared to immunoassay. With immunoassay, it is unknown whether SLT in the seated position is more accurate than that of the supine position, and a cutoff value of post-seated SLT plasma aldosterone concentration (PAC) must be established in the Korean population. Ninety-eight patients underwent SLT in both positions, and post-SLT PAC was measured by LC-MS/MS and radioimmunoassay. We confirmed primary aldosteronism if post-seated SLT PAC by LC-MS/MS exceeded 5.8 ng/dL. The area under the receiver operating characteristic curve was greater for seated than supine SLT (0.928 vs. 0.834, P=0.003). The optimal cutoff value of post-seated SLT by radioimmunoassay was 6.6 ng/dL (sensitivity 83.3%, specificity 92.2%).
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Citations
Citations to this article as recorded by  - Investigating the cut-off values of captopril challenge test for primary aldosteronism using the novel chemiluminescent enzyme immunoassay method: a retrospective cohort study
Yuta Tezuka, Kei Omata, Yoshikiyo Ono, Kengo Kambara, Hiroki Kamada, Sota Oguro, Yuto Yamazaki, Celso E. Gomez-Sanchez, Akihiro Ito, Hironobu Sasano, Kei Takase, Tetsuhiro Tanaka, Hideki Katagiri, Fumitoshi Satoh
Hypertension Research.2024; 47(5): 1362. CrossRef - Usefulness of the Upright Posture Test in the Diagnosis of Primary Aldosteronism
Nada Younes, Matthieu St-Jean, Marie-Josée Desrochers, Eric Therasse, Mathieu Latour, Isabelle Bourdeau, André Lacroix
Journal of the Endocrine Society.2024;[Epub] CrossRef
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