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Coenzyme Q10 in essential hypertension

V Digiesi¹, F Cantini, A Oradei

¹Third institute of Clinical Medicine and Medical Therapy, University of Florence Medical School, Italy.

Molecular Aspects of Medicine

|January 1, 1994

Summary

Coenzyme Q10 (CoQ10) supplementation significantly lowered blood pressure in patients with essential arterial hypertension. This study also observed improvements in cholesterol levels and reduced peripheral resistance, suggesting CoQ10

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Area of Science:

Cardiology
Biochemistry
Pharmacology

Background:

Essential arterial hypertension is a widespread condition with significant cardiovascular risks.
Coenzyme Q10 (CoQ10) is an endogenous antioxidant involved in cellular energy production.
The antihypertensive mechanisms of CoQ10 require further elucidation.

Purpose of the Study:

To investigate the antihypertensive effects of oral CoQ10 supplementation.
To explore the underlying mechanisms of CoQ10's blood pressure-lowering action.
To assess the impact of CoQ10 on lipid profiles and vascular resistance.

Main Methods:

A 10-week open-label study involving 26 patients with essential arterial hypertension.
Oral CoQ10 (50 mg twice daily) administration.

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Measurements included blood pressure, plasma CoQ10, serum lipids, electrolytes, renin activity, aldosterone, and peripheral resistance.

Main Results:

Significant reductions in systolic blood pressure (SBP) and diastolic blood pressure (DBP) were observed (P < 0.001).
Plasma CoQ10 levels increased significantly (P < 0.02).
Serum total cholesterol decreased (P < 0.005), and HDL cholesterol increased (P < 0.01).
Total peripheral resistance decreased significantly (P < 0.02).
No significant changes in plasma renin activity or aldosterone levels were noted.

Conclusions:

Oral CoQ10 supplementation effectively lowers blood pressure in patients with essential arterial hypertension.
CoQ10 treatment may improve lipid profiles and reduce vascular resistance.
The antihypertensive effect of CoQ10 appears independent of the renin-aldosterone system.