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Cited by 538

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Platelet Function Profiles in Patients With Type 2 Diabetes and Coronary Artery Disease on Combined Aspirin and Clopidogrel Treatment

Open access
Angiolillo, Dominick J., Fernandez-Ortiz, Antonio, Bernardo, Esther, Ramírez, Celia, Sabaté, Manel, Jimenez-Quevedo, Pilar, Hernández, Rosana, Moreno, Raul, Escaned, Javier, Alfonso, Fernando, Bañuelos, Camino, Costa, Marco A., Bass, Theodore A., Macaya, Carlos·2005·Diabetes

Abstract

To assess platelet function profiles in diabetic and nondiabetic patients on aspirin and clopidogrel therapy, two patient populations were included to investigate the 1) acute effects of a 300-mg clopidogrel loading dose (group 1, n = 52) and 2) long-term effects of clopidogrel (group 2, n = 120) on platelet function in diabetic compared with nondiabetic patients already on aspirin treatment. Patients were stratified according to the presence of type 2 diabetes. Platelet aggregation was assessed using light transmittance aggregometry (groups 1 and 2). Platelet activation (P-selectin expression and PAC-1 binding) was determined using whole-blood flow cytometry (group 2). Clopidogrel response was also assessed. In group 1, platelet aggregation was significantly increased in diabetic (n = 16) compared with nondiabetic (n = 36) patients at baseline and up to 24 h following a 300-mg loading dose (P = 0.005). In group 2, platelet aggregation and activation were increased in diabetic (n = 60) compared with nondiabetic (n = 60) subjects (P < 0.05 for all platelet function assays). Diabetic subjects had a higher number of clopidogrel nonresponders (P = 0.04). Diabetic patients have increased platelet reactivity compared with nondiabetic subjects on combined aspirin and clopidogrel treatment. Reduced sensitivity to antiplatelet drugs may contribute to the increased atherothombotic risk in diabetic patients.

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Metadata

Authors
Angiolillo, D. J., Fernandez-Ortiz, A., Bernardo, E., Ramírez, C., Sabaté, M., Jimenez-Quevedo, P., Hernández, R., Moreno, R., Escaned, J., Alfonso, F., Bañuelos, C., Costa, M. A., Bass, T. A., & Macaya, C.
Venue
Diabetes
Published
2005-08-01
Volume
54
Issue
8
Pages
2430-2435
ISSN
  • 0012-1797 (ISSN-L)
  • 1939-327X
OpenAlex
W2104969665
Cited by
538
References
42
FWCI
18.03
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Platelet Function Profiles in Patients With Type 2 Diabetes and Coronary Artery Disease on Combined Aspirin and Clopidogrel Treatment. https://app.cochat.ai/papers/10.2337/diabetes.54.8.2430
The paper
Angiolillo, D. J., Fernandez-Ortiz, A., Bernardo, E., Ramírez, C., Sabaté, M., Jimenez-Quevedo, P., Hernández, R., Moreno, R., Escaned, J., Alfonso, F., Bañuelos, C., Costa, M. A., Bass, T. A., & Macaya, C. (2005). Platelet Function Profiles in Patients With Type 2 Diabetes and Coronary Artery Disease on Combined Aspirin and Clopidogrel Treatment. Diabetes. https://doi.org/10.2337/diabetes.54.8.2430

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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