• Mustafa Cetin, Emrullah Kiziltunc, Zehra Guven Cetin, Hulya Cicekcioglu, Muslum Sahin, Serhat Isik, Alparslan Kurtul, Ender Ornek, and UlusoyFeridun VasfiFVFeridun Vasfi Ulusoy, MD, Department of Cardiology, Ankara Numune Education and Research Hospital, Talatpasa Bulvari, 06100, Sihhiye, Ankara, Turkey..
• Mustafa Cetin, MD, Department of Cardiology, Ankara Numune Education and Research Hospital, Talatpasa Bulvari, 06100, Sihhiye, Ankara, Turkey.
• Pak J Med Sci. 2014 May 1; 30 (3): 539-44.

UnlabelledObjective : Several studies have demonstrated the beneficial role of antiplatelet therapy with acetylsalicylic acid (ASA) at atherosclerotic vascular disease. Antiaggregant effect of ASA is not uniform in all patients. Purpose of the present study is to evaluate the prevalence of ASA resistance in patients with type 2 diabetes mellitus (T2DM), pre-diabetes and non-diabetic coronary artery disease (CAD).MethodsEffect of ASA was assessed using the platelet function analyzer (PFA-100) system. Resistance to ASA was defined as a normal collagen/epinephrine induced closure time after one week of ASA therapy. Patients with non-diabetic CAD, pre-diabetes and T2DM were compared.ResultsASA resistance was found in 26 (37.1%), 6 (17.6%) and 41 (26.5%) patients in the groups, respectively (p=0.154). ASA resistance was found to be significantly higher in men, smokers and insulin users, besides this it was found to be significantly lower in beta blocker (BB) users, angiotensin converting enzyme inhibitor (ACEI) users with univariate analysis. However insulin usage was found to be the single effective parameter on ASA resistance in multivariate analysis.ConclusionThere was no difference with regard to ASA resistance between groups. While ASA resistance was higher in men, smokers and insulin users, it was lower in patients using BBs and ACEIs.

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