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Published on: June 7, 2013
Essential hypertension as an endocrine disease
1Department of Medicine, Harvard Medical School, Boston, Massachusetts.
Insights
Most essential hypertension cases stem from endocrine issues, not hormone overproduction. Identifying these specific hormonal imbalances could lead to tailored treatments for high blood pressure.
Area of Science:
- Endocrinology
- Cardiovascular Medicine
- Genetics
Background:
- Essential hypertension, a common condition, often lacks a clear cause.
- Growing evidence suggests a significant endocrine component in many hypertension cases.
- Pathogenesis involves vascular tone, hormone levels, and target tissue responsiveness.
Purpose of the Study:
- To explore the endocrine basis of essential hypertension.
- To investigate the role of target tissue response versus hormone overproduction.
- To assess the potential for genetic identification of hypertensive subgroups.
Main Methods:
- Review of evidence linking endocrine factors to elevated blood pressure.
- Analysis of hormonal and tissue response mechanisms in hypertension.
- Exploration of potential inherited components of endocrine abnormalities.
Main Results:
- A majority of essential hypertension patients likely have an endocrine origin.
- Abnormalities often involve altered target tissue response to hormones, not overproduction.
- Compensatory mechanisms may drive elevated blood pressure in these subsets.
- Evidence suggests these endocrine issues may be heritable.
Conclusions:
- Essential hypertension frequently has an endocrine etiology.
- Identifying specific endocrine subgroups through genetic markers is plausible.
- Subgroup identification could enable personalized hypertension therapies.
Abstract:
Several lines of evidence strongly suggest that the majority of patients with essential hypertension have an endocrine basis for their elevated blood pressure. Abnormalities in vascular tone, circulating hormone levels, and the responsiveness of target tissues to these hormones all contribute to the pathogenesis of the increased blood pressure. The actual frequency of each of these subsets of patients is unknown, but it is likely to be substantial. Intriguingly, most of these abnormalities are not associated with hormonal overproduction per se but, rather, a change in the response of target tissues to specific hormones, with compensatory mechanisms actually responsible for the increased blood pressure. There is evidence that each of these endocrine abnormalities may be inherited, so there is a high likelihood that a genetic marker can be found to identify each subgroup. Already there is the intriguing possibility that if subgroups of patients can be identified easily, specific therapy will be possible.
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