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Published on: July 29, 2021
Reversible suppression of nitric oxide system in essential hypertension
M Chandra1, D R Maurya, S Kumar
1ICU, Department of Medicine, King George's Medical College, Lucknow University, Lucknow, India.
Insights
Essential hypertension is linked to lower nitric oxide (NO) levels. Blood pressure normalization with treatment increases NO, suggesting this deficiency is reversible and antioxidants may aid hypertension management.
Area of Science:
- Cardiovascular Research
- Medical Biochemistry
Background:
- Hypertension pathophysiology is complex and multifactorial.
- Nitric oxide (NO) plays a crucial role in vascular homeostasis.
Purpose of the Study:
- To investigate nitric oxide (NO) levels in patients with essential hypertension.
- To determine if NO status is reversible with antihypertensive therapy.
- To explore the potential role of antioxidants as adjuncts in hypertension management.
Main Methods:
- Comparative analysis of NO levels in essential hypertensive patients and age-matched controls.
- Monitoring NO levels before and after antihypertensive therapy.
- Assessing the impact of antioxidant co-administration with antihypertensive drugs on NO levels.
Main Results:
- Patients with essential hypertension exhibited significantly lower levels of nitric oxide (NO).
- Antihypertensive therapy led to a significant increase in NO levels, normalizing blood pressure.
- Adding antioxidants to antihypertensive drugs resulted in a further, non-significant increase in NO levels.
Conclusions:
- Reduced nitric oxide (NO) is a feature of essential hypertension, but this is reversible with treatment.
- Antioxidants may serve as a beneficial adjunct therapy in managing essential hypertension by potentially enhancing NO levels.
Abstract:
Despite enormous research in the field of hypertension, its pathophysiology still remains largely unresolved and appears to be multifactorial. In the present communication, we have analyzed the status of nitric oxide (NO) in the patients with essential hypertension and age matched controls. We have found that the levels of NO are lowered in essential hypertension. The normalization of blood pressure by administration of antihypertensive therapy causes rise in the NO level indicating that perturbed NO status in essential hypertension is reversible. Addition of antioxidant to the antihypertensive drugs causes a further, though non significant, rise in the levels of NO, suggesting that antioxidants may be combined with antihypertensive drugs as adjunct in the management of essential hypertension.
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