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Essential hypertension
Jan A Staessen1, Jiguang Wang, Giuseppe Bianchi
1Studiecoördinatiecentrum, Hypertensie en Cardiovasculaire Revalidatie Eenheid, Departement voor Moleculair en Cardiovasculair Onderzoek, Katholieke Universiteit Leuven, Leuven, Belgium. jan.staessen@med.kuleuven.ac.be <jan.staessen@med.kuleuven.ac.be>
Insights
Hypertension, a common age-related condition, involves complex genetic and environmental factors affecting blood pressure regulation. Effective treatments include lifestyle changes and medication to prevent serious cardiovascular and renal complications.
Area of Science:
- Cardiology
- Nephrology
- Genetics
Background:
- Hypertension is a prevalent, chronic, age-related disorder with significant cardiovascular and renal complications.
- Diagnosis increasingly uses automated blood pressure measurement, while pathophysiology involves kidney sodium excretion, the central nervous system, endocrine factors, and vasculature.
- Essential hypertension is a complex trait influenced by genetic and environmental interactions, not solely major genes.
Purpose of the Study:
- To explore the complex pathophysiology of hypertension.
- To highlight the multifactorial nature of blood pressure regulation.
- To discuss the role of genetic and environmental factors in hypertension.
Main Methods:
- Review of current understanding of hypertension pathophysiology.
- Analysis of diagnostic techniques and contributing factors.
- Integration of genetic, molecular, clinical, and epidemiological research.
Main Results:
- Essential hypertension arises from complex interactions of genetic and environmental factors.
- The kidney's sodium excretion ability is central to blood pressure regulation.
- Non-pharmacological strategies and antihypertensive drugs are key management tools.
Conclusions:
- Essential hypertension is a heterogeneous disorder, not explained by a few major genes.
- Personalized treatment approaches are needed, integrating diverse research findings.
- Further research can identify patient subsets with specific risk factor combinations for tailored therapies.
Abstract:
Hypertension is a frequent, chronic, age-related disorder, which often entails debilitating cardiovascular and renal complications. Blood pressure is usually noted in combination with other cardiovascular risk factors. Diagnosis of hypertension increasingly relies on automated techniques of blood pressure measurement. The pathophysiology of essential hypertension depends on the primary or secondary inability of the kidney to excrete sodium at a normal blood pressure. The central nervous system, endocrine factors, the large arteries, and the microcirculation also have roles in the disorder. Although monogenic forms of blood pressure dysregulation exist, hypertension mostly arises as a complex quantitative trait that is affected by varying combinations of genetic and environmental factors. Non-pharmacological strategies can reduce blood pressure. Antihypertensive drug treatment diminishes the complications of hypertension. The concept that a few major genes will provide the final clue to the pathogenesis of essential hypertension is an oversimplification that contradicts the heterogeneous nature of this disorder. Further integration of genetic, molecular, clinical, and epidemiological research could disclose subsets of patients in whom specific combinations of genetic and environmental factors raise blood pressure, and might lead to more individualised treatment.
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