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Laboratory Testing for Endocrine Hypertension: Current and Future Perspectives
Louisiane Courcelles1, Maria Stoenoiu2, Vincent Haufroid1,3
1Department of Laboratory Medicine, Cliniques Universitaires St-Luc and Université Catholique de Louvain, Brussels, Belgium.
Insights
Secondary hypertension (SH) is high blood pressure from an underlying condition. Early detection and treatment of endocrine causes are crucial for managing cardiovascular risk and potential cures.
Area of Science:
- Endocrinology
- Cardiovascular Medicine
- Biomarker Discovery
Background:
- Secondary hypertension (SH) arises from identifiable underlying conditions, posing significant cardiovascular risk.
- While less common than primary hypertension, SH requires prompt diagnosis and management due to potential curability.
- Endocrine disorders are a key focus in secondary hypertension etiology.
Purpose of the Study:
- To review endocrine causes of secondary hypertension.
- To discuss current diagnostic biomarkers, methods, and strategies.
- To explore the role of emerging -omics technologies in SH assessment.
Main Methods:
- Review of current literature on endocrine causes of SH.
- Analysis of established and emerging biomarkers and analytical techniques.
- Evaluation of diagnostic strategies for SH phenotypes.
Main Results:
- Endocrine SH is complex, necessitating thorough screening and confirmatory testing.
- Biomarker interpretation requires careful consideration of interferences and variability.
- Liquid chromatography-tandem mass spectrometry offers superior sensitivity for low-concentration hormone measurement.
Conclusions:
- Proper screening and testing are vital to prevent diagnostic delays in endocrine SH.
- Expertise is required for advanced analytical methods like LC-MS/MS.
- -Omics technologies hold promise for identifying novel SH biomarkers and therapeutic targets.
Background:
Secondary hypertension (SH) is a form of high blood pressure caused by an identifiable underlying condition. Although, it accounts for a small fraction of the overall hypertensive population, detection and management of SH is of utmost importance, because SH phenotypes carry a high cardiovascular risk and can possibly be cured by timely treatment.
Content:
This review focuses on the endocrine causes of SH, such as primary aldosteronism, Cushing syndrome, thyroid disease, pheochromocytoma and paraganglioma, acromegaly, and rare monogenic forms. It discusses current biomarkers, analytical methods, and diagnostic strategies, highlighting advantages and limitations of each approach. It also explores the emerging -omics technologies that can provide a comprehensive and multidimensional assessment of SH and its underlying mechanisms.
Summary:
Endocrine SH is a heterogeneous and complex condition that requires proper screening and confirmatory tests to avoid diagnostic delays and improve patient outcomes. Careful biomarker interpretation is essential due to potential interferences, variability, and method-dependent differences. Liquid chromatography-tandem mass spectrometry is a superior method for measuring low-concentration hormones and metabolites involved in SH, but it requires expertise. Omics approaches have great potential to identify novel biomarkers, pathways, and targets for SH diagnosis and treatment, especially considering its multifactorial nature.
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