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Monogenic hypertension
Aleksandra Ostrowska1, Piotr Skrzypczyk2
1Medical University of Warsaw: Student Scientific Group at the Department of Pediatrics and Nephrology.
Summary
Monogenic hypertension, caused by single gene mutations, often involves increased sodium reabsorption leading to high blood pressure. Early identification is crucial for effective treatment and preventing cardiovascular issues.
Area of Science:
- Nephrology
- Genetics
- Cardiology
Background:
- Monogenic hypertension (MH) is a rare cause of arterial hypertension (AH) driven by single gene mutations.
- MH often presents in childhood or adolescence with severe, treatment-resistant hypertension.
Purpose of the Study:
- To review the pathogenesis, genetics, phenotype, and treatment of monogenic forms of arterial hypertension.
- To highlight the importance of identifying MH for appropriate management and reducing cardiovascular complications.
Main Methods:
- Review of existing literature on monogenic hypertension.
- Discussion of Guyton's hypothesis regarding renal sodium reabsorption in MH pathogenesis.
- Analysis of clinical presentation, including electrolyte abnormalities and associated conditions.
Main Results:
- Mutations in MH commonly increase renal sodium reabsorption, leading to fluid retention and elevated blood pressure.
- Characteristic features include hypokalemia and metabolic alkalosis, though not always present.
- Associated symptoms may include puberty and growth abnormalities, and brachydactyly.
Conclusions:
- Identifying monogenic hypertension is critical for targeted treatment strategies.
- Prompt diagnosis can mitigate the risk of severe hypertension-mediated organ damage and cardiovascular complications.
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