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Impact of chronic kidney disease on platelet aggregation in patients with acute coronary syndrome

Item Type:Article
Title:Impact of chronic kidney disease on platelet aggregation in patients with acute coronary syndrome
Creators Name:Ilardi, F., Gargiulo, G., Paolillo, R., Ferrone, M., Cimino, S., Giugliano, G., Schiattarella, G.G., Verde, N., Stabile, E., Perrino, C., Cirillo, P., Coscioni, E., Morisco, C. and Esposito, G.
Abstract:AIMS: Chronic kidney disease (CKD) is associated with increased thrombotic events and seems to influence platelet reactivity. Conflicting results have been published on platelet response in CKD patients with stable coronary artery disease. The aim of our study was to investigate the impact of CKD on platelet aggregation in acute coronary syndrome (ACS) patients receiving dual antiplatelet therapy, included the more potent P2Y12 inhibitors. METHODS: We enrolled 206 patients with ACS, divided in two groups, according to the presence or the absence of moderate/severe CKD. Platelet aggregation was performed with light transmission aggregometry and results are expressed as percentage of maximum platelet aggregation. High residual platelet reactivity (HRPR) was defined as maximum platelet aggregation more than 59%. RESULTS: Patients with CKD [estimate glomerular filtration rate (eGFR) < 60 ml/min/1.73 m, n = 28] were prevalent older, diabetic, had previous coronary revascularization. In these patients, platelet aggregation was significantly higher than in those with eGFR ≥ 60 ml/min/1.73 m (ADP 10 μmol/l: 28.46 ± 26.19 vs. 16.64 ± 12.79, P < 0.001; ADP 20 μmol/l: 30.07 ± 25.89 vs. 17.46 ± 12.82, P < 0.001). HRPR was observed in 4.4% of patients, with higher prevalence in those with eGFR less than 60 ml/min/1.73 m [21.4 vs. 1.7%, P < 0.001, odds ratio (OR) [95% confidence interval (CI)] = 15.91 (3.71-68.17), P < 0.001]. At multivariate analysis, after correction for baseline confounders, eGFR [adjusted OR (95% CI) = 0.95 (0.91-0.98), P = 0.007], together with the use of clopidogrel [adjusted OR (95% CI) = 23.59 (4.01-138.82), P < 0.001], emerged as determinants of HRPR. CONCLUSION: In patients with ACS receiving dual antiplatelet therapy, CKD is associated with an increasing ADP-induced platelet aggregation and higher prevalence of HRPR, which is mainly correlated to lopidogrel use.
Keywords:Acute Coronary Syndrome, Chronic Kidney Disease, High Residual Platelet Reactivity,, Light Transmission Aggregometry
Source:Journal of Cardiovascular Medicine
ISSN:1558-2027
Publisher:Lippincott Williams & Wilkins
Volume:21
Number:9
Page Range:660-666
Date:September 2020
Official Publication:https://doi.org/10.2459/JCM.0000000000000981
PubMed:View item in PubMed

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