1. Incidence of major adverse cardiovascular events with genotype test guided antiplatelet treatment strategy after percutaneous coronary intervention
- Author
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S. Ramesh, S. Socrates, M.A. Rajasekaran, and N. Senguttuvan
- Subjects
Clopidogrel ,Antiplatelet ,Genotyping ,Coronary intervention ,Surgery ,RD1-811 ,Diseases of the circulatory (Cardiovascular) system ,RC666-701 - Abstract
Objective: To estimate the incidence of major adverse cardiovascular events (MACE) with genotype test-guided antiplatelet therapy in patients undergoing percutaneous coronary intervention (PCI) for acute coronary syndrome. Methods: Patients who had undergone PCI for acute coronary syndrome as well as stable coronary artery disease were recruited. Salivary samples were obtained from these patients and genotyped for CYP2C19∗2, CYP2C19∗3 variations by sequencing method (GAAP x method). Patients were categorized as normal (GG, GG) (29%), intermediate (AG) (52%) or poor metabolizes (homozygous variant AA) (19%). Dual antiplatelets were given based on the genotyping data. Poor metabolizes received newer agent (ticagrelor), intermediate metabolizes received double-dose of clopidogrel and normal metabolizes received therapeutic doses of clopidogrel. All subjects were followed-up for six months. Results: Based on the genotyping data of CYP2C19∗2 and CYP2C19∗3 variations, it was found that most patients were categorized as ‘intermediate’ (78, 51.65%), followed by ‘normal’ (43, 28.48%) and ‘poor’ metabolizes (30, 19.87%). Only 3 (1.5%) of 151 patients reported MACE at follow-up. Conclusions: Genotyping for CYP2C19 variations to assess clopidogrel resistance in patients undergoing PCI and subsequent drug selection helps reduce MACE after coronary intervention.
- Published
- 2020
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