Key result
Moderate chronic heart failure was associated with increased platelet activation, elevated oxidative stress, and reduced intraplatelet nitric oxide bioavailability compared to healthy controls.
Why the study?
Does moderate chronic heart failure alter platelet activation, oxidative stress, and nitric oxide synthase expression compared to healthy controls?
Population
Patients with moderate chronic heart failure (n=12) and healthy controls (n=15).
Design
Case-control
Authors
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May underlie prothrombotic risk in moderate HF; hypothesis-generating and requires prospective confirmation before clinical translation.
Case-Control (n=27)
Does moderate chronic heart failure alter platelet activation, oxidative stress, and nitric oxide synthase expression compared to healthy controls?
Patients with moderate heart failure exhibit increased platelet activation and oxidative stress, which may mechanistically contribute to their prothrombotic state.
Meirelles et al. (2011) conducted a case-control in Moderate chronic heart failure (n=27). Moderate chronic heart failure vs. Healthy controls was evaluated on Nitric oxide production, platelet aggregation, oxidative stress, inflammation, and related amino acids. Moderate chronic heart failure was associated with increased platelet activation, elevated oxidative stress, and reduced intraplatelet nitric oxide bioavailability compared to healthy controls.
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