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- Title
Intermediate but not low doses of aspirin can suppress angiotensin-converting enzyme inhibitor-induced cough.
- Authors
Tenenbaum, Alexander; Grossman, Ehud; Shemesh, Joseph; Fisman, Enrique Z.; Nosrati, Ilan; Motro, Michael
- Abstract
This self-matched control study aimed to compare the efficiency of two different regimens of active treatment: aspirin in low (100 mg daily) versus intermediate (500 mg daily) doses in abolishing angiotensin-converting enzyme inhibitor (ACEI)-induced cough.A dry bothersome cough is the most common adverse class effect of all angiotensin-converting enzyme inhibitors. Prostaglandins (PG) have been pinpointed as playing a leading role in the genesis of ACEI-associated cough. The role of different doses of the most commonly used PG inhibitor-aspirin-in ACEI cough modification was not yet elucidated.Of 350 consecutive ACEI-treated patients, we identified 34 (9.7%) nonsmoking ACEI-related coughers. Patients with lung disease, nonsteroidal anti-inflammatory drug (NSAID) treatment, and those who did not agree to participate in the study were excluded. In the remaining 14 ACEI coughers (eight men, six women; mean age, 63 ± 11 years), the treatment was discontinued; the dry cough completely disappeared, but returned in all patients within 1 week after ACEI reintroduction. At the end of the rechallenge period, patients started a low dose of aspirin for 1 week, switching thereafter to the intermediate dose of aspirin for an additional week. On each visit the cough severity (CS, 0-4) and frequency (CF, 0-10) scores were registered.Low doses of aspirin were ineffective in suppressing ACEI-induced cough, whereas intermediate doses completely abolished cough in five patients and reduced coughing in all but one patient; CS and CF decreased, respectively, from 2.5 ± 1.0 to 0.9 ± 1.1, P < .002 and from 6.6 ± 2.4 to 2.4 ± 1.1, P < .0002. Overall, intermediate doses of aspirin beneficially modified cough scores in 13 (93%) patients, enabling nine (64%) to continue ACEI treatment. Aspirin did not influence blood pressure control either in hypertensives or in postinfarction patients.We conclude that intermediate but not low doses of aspirin probably can suppress ACEI-induced cough. These findings propose a new alternative therapeutic approach for patients with ACEI-related cough, especially those in whom ACEI treatment seems to be essential.Am J Hypertens (2000) 13, 776-782; doi: S0895-7061(00)00268-5
- Publication
American Journal of Hypertension, 2000, Vol 13, Issue 7, p776
- ISSN
0895-7061
- Publication type
Article
- DOI
10.1016/S0895-7061(00)00268-5