Evangelista V, de Berardis G, Totani L, Avanzini F, Giorda CB, Brero L, Levantesi G, Marelli G, Pupillo M, Iacuitti G, Pozzoli G, di Summa P, Nada E, de Simone G, Dell'Elba G, Amore C, Manarini S, Pecce R, Maione A, Tognoni G, Nicolucci A. Persistent platelet activation in patients with type 2 diabetes treated with low doses of aspirin.
J Thromb Haemost 2007;
5:2197-203. [PMID:
17697141 DOI:
10.1111/j.1538-7836.2007.02728.x]
[Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND
The percentage of diabetic patients who do not benefit from the protective effect of aspirin is larger than in other populations at cardiovascular risk.
OBJECTIVE
We compared the ability of aspirin to suppress TxA2 and platelet activation in vivo, in type-2 diabetics vs. high-risk non-diabetic patients.
METHODS
Urinary 11-dehydro-TXB2, plasma sCD40 L, and sP-selectin were measured, together with indices of low-grade inflammation, glycemic control, and lipid profile, in 82 patients with type-2 diabetes and 39 without diabetes, treated with low doses of aspirin.
RESULTS
Urinary 11-dehydro-TxB2, plasma sCD40L and sP-selectin were significantly higher in diabetics than in controls: [38.9 (27.8-63.3) vs. 28.5 (22.5-43.9) ng mmol(-1) of creatinine, P = 0.02], [1.06 (0.42-3.06) vs. 0.35 (0.22-0.95) ng mL(-1); P = 0.0001], [37.0 (16.8-85.6) vs. 20.0 (11.2-35.6) ng mL(-1), P = 0.0001], respectively. The proportion of individuals with diabetes increased across quartiles of 11-dehydro-TxB2, sCD40L, and sP-selectin, with the highest quartiles of 11-dehydro-TxB2, sCD40L and sP-selectin, including 66%, 93.3%, and 93.3% of individuals with diabetes. Markers of platelet activation positively correlated with indices of glycemic control but not with markers of low-grade inflammation.
CONCLUSIONS
Platelet dysfunction associated with insufficient glycemic control, may mediate persistent platelet activation under aspirin treatment.
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