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  • Title: Effects of aspirin and clopidogrel on plasma brain natriuretic peptide in patients with heart failure receiving ACE inhibitors.
    Author: Meune C, Wahbi K, Fulla Y, Cohen-Solal A, Duboc D, Mahé I, Simoneau G, Bergmann JF, Weber S, Mouly S.
    Journal: Eur J Heart Fail; 2007 Feb; 9(2):197-201. PubMed ID: 16914369.
    Abstract:
    BACKGROUND: By inhibiting prostaglandins, aspirin may be deleterious in heart failure (HF) and/or may counteract angiotensin-converting enzyme (ACE) inhibitor efficacy. Conversely, clopidogrel has no effect on prostaglandin metabolism. AIM: To investigate the effect of aspirin and clopidogrel on brain natriuretic peptide (BNP) levels in HF patients treated with ACE inhibitors. METHODS: 36 patients with stable HF (65+/-13 years, 24 males/12 females, NYHA class II to IV, ejection fraction <40%, 13 with coronary disease, all treated with ACE inhibitors) were enrolled in this prospective, double-blind study and randomised to aspirin 325 mg/day or clopidogrel 75 mg/day for 14 days. BNP was determined at day 0 and day 14. RESULTS: 19 patients were randomised to aspirin and 17 to clopidogrel. Baseline characteristics were similar in both groups. BNP levels increased in the aspirin group from day 0 to day 14 (107+/-103 to 144+/-149 pg/ml, p=0.04) whereas clopidogrel had no effect (104+/-107 and 97+/-99 pg/ml respectively, p=0.61). CONCLUSION: This study demonstrates an adverse effect of aspirin 325 mg/day on BNP plasma levels in HF patients treated with ACE inhibitors. In contrast clopidogrel 75 mg/day had no effect.
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