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The prevalence and factors associated with aspirin resistance in patients premedicated with aspirin.
MedLine Citation:
PMID:  22997999     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
OBJECTIVE: Aspirin is a key drug used in treating patients with a high risk to develop stroke, myocardial infarction and other cardiovascular events. However, a considerable fraction of the patients develops aspirin resistance, which is a multi-factorial process that can occur due to patient's non-compliance, improper dosing, other co-morbidities or drug-drug interactions.This cross-sectional study was carried out to determine the prevalence and factors associated with aspirin resistance among Jordanians.
METHODS: The study was performed on a sample of 418 adult patients who were taking aspirin as an antiplatelet agent. To determine aspirin resistance, platelet function was assessed using a multiplate analyzer.
RESULTS: Data shows that about 18.7% (78) of the patients were aspirin resistant. Aspirin resistance was associated with female gender (P < 0.05) and was higher among diabetic subjects (P < 0.05). Statins use was correlated with improved aspirin response (P < 0.05). No association was found between aspirin response and: age, body mass index, education, smoking status, family history of cardiovascular disease, aspirin dose and duration of aspirin use (P > 0.05). In addition, aspirin resistance was not related to parameters such as HbA1c and low-density lipoprotein (LDL), comorbidities including dyslipidaemia, and hypertension, and concurrent use of other medications such as beta blockers, angiotensin-converting enzyme inhibitors (ACEIs), calcium channel blockers (CCBs), and proton pump inhibitors (PPIs) (P > 0.05).
CONCLUSION: The incidence of aspirin resistance is high in the Jordanian population. Aspirin resistance is associated with female gender and diabetes. On the other hand, the use of statins improves response to aspirin.
Authors:
Sayer I Al-Azzam; Karem H Alzoubi; Omar Khabour; Abdallah Alowidi; Deniz Tawalbeh
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Acta cardiologica     Volume:  67     ISSN:  0001-5385     ISO Abbreviation:  Acta Cardiol     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-09-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370570     Medline TA:  Acta Cardiol     Country:  Belgium    
Other Details:
Languages:  eng     Pagination:  445-8     Citation Subset:  IM    
Affiliation:
Department of Clinical Pharmacy, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid, Jordan. sayerazzam@yahoo.com
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