ArticleJournal of veterinary internal medicine
Determination of Multi-Steroid Profiles of Cats With Hyperaldosteronism or Other Diseases: A Retrospective Study.
Article in Journal of veterinary internal medicine. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Immunohistochemistry confirms pulmonary metastases from an adrenal adenocarcinoma causing primary hyperaldosteronism in a cat.JFMS open reportsArticle
- Determination of Multi-Steroid Profiles of Cats With Hyperaldosteronism or Other Diseases: A Retrospective Study.Journal of veterinary internal medicineArticle
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Authors and funding
5 authors.
Funding
Abstract
backgroundMulti-steroid profiles are proven to help with the diagnostic approach to adrenal disorders in humans.
objectivesCompare liquid chromatography tandem mass spectrometry (LC-MS/MS) and radioimmunoassay (RIA) measurement of aldosterone in feline blood samples. Evaluate multi-steroid profiles in cats with hyperaldosteronism. ANIMALS: Client-owned cats with low/normal aldosterone by RIA (low aldo, n = 15), high aldosterone by RIA (high aldo, n = 6) and overt primary hyperaldosteronism (PHA, n = 6).
methodsExploratory retrospective case-control study. Feline blood multi-steroid profiles were analyzed with LC-MS/MS and compared with results from a commercially available RIA in widespread clinical use.
resultsAldosterone measurement by LC-MS/MS and RIA was strongly correlated (r = 0.93, p < 0.001) but showed a bias of 56 (95% CI: 104-7) pmol/L, with RIA giving higher values. Creatinine concentration was not significantly associated with the discrepancy between methods (p = 0.95). Cats with PHA had significantly lower serum concentrations of cortisol and glucocorticoid precursors (17-hydroxyprogesterone, 11-deoxycortisol), testosterone, and significantly higher dihydrotestosterone and 5α-dihydroprogesterone concentrations than the low aldo group. Pregnenolone concentrations were significantly lower in the PHA group than in the high aldo group. CONCLUSION AND CLINICAL IMPORTANCE: Quantification of aldosterone by either LC-MS/MS or RIA is adequate for PHA diagnosis in the clinical setting, with appropriate method-specific reference intervals. Cats with PHA had different concentrations of some steroids compared with the control groups, but overt steroid excess (other than aldosterone) was not observed.
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