Key result
Nitrates in HF may impair antioxidant defenses by stimulating superoxide production and depleting intracellular thiols.
Why the study?
Endothelial dysfunction in heart failure is linked to oxidative stress and abnormalities in nitric oxide pathways, raising concerns about nitrate treatment safety.
Population
Patients with heart failure
Comparison
Nitrate treatment effects on redox state and endothelial function
Design
Review
Authors
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May warrant caution with nitrates in HF due to oxidative stress; leaves open effects on clinical outcomes.
This review highlights the potential detrimental effects of nitrate therapy in heart failure due to increased oxidative stress and depletion of intracellular thiols.
Parodi et al. (2007) conducted a review in Heart failure. Nitrate treatment was evaluated. Nitrate treatment in heart failure may stimulate vascular superoxide anion production and deplete the intracellular thiol pool, potentially impairing antioxidant defense mechanisms.
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