Clopidogrel versus ticagrelor in chronic kidney disease patients presenting with acute coronary syndrome: A retrospective evaluation
Aim: To compare the efficacy and bleeding risk of clopidogrel versus ticagrelor in patients presenting with the acute coronary syndrome (ACS).
Method: This was a single-center retrospective comparison of in-hospital and 1-year major advance cardiovascular events (MACE) in patients with ACS and reduced estimated glomerular filtration rate (eGFR <60 mL/min) who were treated with clopidogrel or ticagrelor in addition to aspirin. Clinicodemographic features, medication use, and laboratory values were recorded. eGFR was calculated by means of the modification of diet in renal disease (MDRD) equation. The Killip classification was used to quantify the severity of heart failure. The primary outcome measures were in-hospital and 1-year MACEs and major and minor bleeding. MACE definition included recurrent myocardial infarction, stroke, and cardiovascular death.
Results: In total, 235 patients (40.9% female, mean age 67.8 ± 12.4 years) were included. Of all patients, 56% presented with ST-elevation myocardial infarction (STEMI), whereas 44% had a non-ST-elevation myocardial infarction. Sixty-eight patients were treated with ticagrelor, while 167 patients were administered clopidogrel. The groups were comparable in terms of in-hospital mortality, cerebrovascular accident (CVA), and re-infarction rates. There was no statistical difference between the mortality, CVA and re-infarction rates between the groups at 12-month. In-hospital minor bleedings were more common among ticagrelor users. In-hospital major bleeding frequencies were similar in both groups. There was no statistical difference in terms of major or minor bleeding rates at 12 months.
Conclusion: The findings of the present study showed comparable efficacy and bleeding risk in ACS patients who were treated clopidogrel or ticagrelor.
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