Impact of health education on adherence to clopidogrel and clinical effectiveness of antiplatelet treatment in patients after myocardial infarction
Non-adherence rates to antiplatelet drugs in patients with acute myocardial infarction (AMI) range from 13% to 60%. We aimed to evaluate whether individual health education can improve adherence to treatment with clopidogrel in patients after AMI. This was a prospective, single-center, randomized cl...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Via Medica
2015-12-01
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| Series: | Folia Medica Copernicana |
| Subjects: | |
| Online Access: | https://journals.viamedica.pl/medical_research_journal/article/view/44578 |
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| Summary: | Non-adherence rates to antiplatelet drugs in patients with acute myocardial infarction (AMI) range from 13% to 60%. We aimed to evaluate whether individual health education can improve adherence to treatment with clopidogrel in patients after AMI. This was a prospective, single-center, randomized clinical trial with a 12-month follow-up. Patients with AMI treated with percutaneous coronary intervention (PCI) were enrolled. The primary endpoint was defined as non-adherence to clopidogrel during follow-up (drug availability ≤ 80%). Secondary endpoints included platelet function assessment, adverse cardiovascular (CV) events (CV death, PCI for ACS, unscheduled CV hospitalization). There were 191 patients enrolled in the study and divided into two groups: the individual education (IE) group (100 patients) and the standard treatment (ST) group (91 patients). Adherence to the treatment with clopidogrel based on the data from the National Health Fund did not differ significantly between the IE and ST groups [76.7% (30.7–99.7%) v. 84.4% (46.5–99.7%); p = 0.25]. There was a substantial difference in the prevalence of unscheduled CV hospitalizations between both groups, IE and ST respectively [22 (22.0%) v. 10 (11.0%); p = 0.042]. The rate of CV death and ACS treated with PCI during follow-up was low and did not differ between groups. In conclusion, the program of individual health education did not improve adherence to treatment with clopidogrel. The expected benefits of medication are not achievable at current levels of adherence. The self-reported adherence assessment is unreliable and cannot be used for effective treatment guidance. |
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| ISSN: | 2300-5432 2353-6489 |