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Published on: March 15, 2022
Both carvedilol and nebivolol may improve platelet function and prothrombotic state in patients with nonischemic
Mustafa Karabacak1, Abdullah Dogan2, Fatih Aksoy3
1Department of Cardiology, Isparta State Hospital, Isparta, Turkey drmustafa1979@hotmail.com.
Insights
Carvedilol and nebivolol similarly improve platelet function and reduce prothrombotic state in heart failure (HF) patients. Both medications demonstrated comparable benefits, with carvedilol showing a slight trend towards greater reduction in mean platelet volume.
Area of Science:
- Cardiology
- Pharmacology
- Hematology
Background:
- Heart failure (HF) involves altered platelet function and a prothrombotic state.
- The comparative effects of carvedilol and nebivolol on these parameters in nonischemic HF are not well-defined.
Purpose of the Study:
- To compare the effects of carvedilol versus nebivolol on platelet function and prothrombotic markers in patients with nonischemic heart failure.
Main Methods:
- A randomized study involving 61 patients with symptomatic nonischemic HF (ejection fraction ≤40%).
- Patients were assigned to receive either carvedilol (n=31) or nebivolol (n=30).
- Platelet function markers, including mean platelet volume (MPV), fibrinogen, and d-dimer, were assessed at baseline, 3 months, and 6 months.
Main Results:
- Both carvedilol and nebivolol significantly reduced MPV, fibrinogen, and d-dimer levels at 6 months.
- MPV showed a trend towards a greater reduction in the carvedilol group (P = .05).
- No significant differences in fibrinogen and d-dimer levels were observed between the two groups at 6 months.
Conclusions:
- Carvedilol and nebivolol exhibit similar beneficial effects on platelet function and prothrombotic state in patients with nonischemic HF.
- These findings suggest that both beta-blockers can positively modulate thrombotic risk factors in this patient population.
Abstract:
It is unclear whether carvedilol and nebivolol will produce different effects on platelet function and prothrombotic state in heart failure (HF). Thus, we compared their effects on these functions in patients with nonischemic HF. We included 61 patients with symptomatic nonischemic HF having ejection fraction ≤40%. The patients were randomized to carvedilol (n = 31) or nebivolol (n = 30). Analyses were made at baseline, 3, and 6 months. At 6 months, mean platelet volume (MPV) was significantly lowered by both carvedilol and nebivolol therapy. However, MPV tended to be lower in the carvedilol group (7.7 ± 1.0 vs 8.0 ± 0.7 fL, P = .05). Fibrinogen and d-dimer levels were significantly decreased in but comparable in both the groups. Carvedilol and nebivolol have similar beneficial effects on platelet function and prothrombotic state in patients with nonischemic HF.
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