Abstract Title:

Antiplatelet treatment in ischemic stroke treatment.

Abstract Source:

Curr Top Med Chem. 2009;9(14):1298-316. PMID: 19849660

Abstract Author(s):

Antonio Pinto, Domenico Di Raimondo, Antonino Tuttolomondo, Riccardo Di Sciacca, Valentina Arnao, Sergio La Placa, Glauco Milio, Salvatore Miceli, Giuseppe Licata

Article Affiliation:

Dipartimento Biomedico di Medicina Interna e Specialistica, Universit√† degli Studi di Palermo, Palermo, Italy. [email protected]


Antiplatelets represent a diverse group of agents that share the ability to reduce platelet activity through a variety of mechanisms. Antithrombotic agents are effective in the secondary prevention of ischemic strokes. Most strokes are caused by a sudden blockage of an artery in the brain (called an ischaemic stroke) that is usually due to a blood clot. Immediate treatment with antiplatelet drugs such as aspirin may prevent new clots from forming and hence improve recovery after stroke. Several studies have evaluated the role of one antiplatelet agent, aspirin, in reducing stroke severity. The International Stroke Trial (IST) of 20,000 patients with acute stroke from other countries. In this study there was a significant 14% proportional reduction in mortality during the scheduled treatment period (343 [3.3%] deaths among aspirin-allocated patients vs 398 [3.9%] deaths among placebo-allocated patients; 2p = 0.04). There were significantly fewer recurrent ischaemic strokes in the aspirin-allocated than in the placebo-allocated group (167 [1.6%] vs 215 [2.1%]; 2p = 0.01) but slightly more haemorrhagic strokes (115 [1.1%] vs 93 [0.9%]. Few studies examined the role of ticlopidin in acute stroke setting the results showed treatment with ticlopidine improved the neurologic outcome. In the Examining the Safety of Loading of Aspirin and Clopidogrel in Acute Ischemic Stroke and TIA (LOAD) study, 40 consecutive ischemic stroke patients were treated with 325 mg of aspirin and 375 mg of clopidogrel within 36 hours of symptom onset. Overall, 37.5% (n = 15) of the patients had an improvement of 2 or more points on the NIHSS 24 hours after antiplatelet administration. The antiplatelet efficacy of aspirin in preventing secondary stroke was established by three studies conducted in the late 1980s and early 1990s: the Swedish Aspirin Low-dose Trial (SALT) trials have demonstrated that aspirin-even in doses as low as 30 mg/day-reduces secondary stroke, MI, or vascular death in patients with. Clopidogrel and aspirin have been used in combination in patients with diverse arterial vascular diseases However, combinations of antithrombotic agents do not necessarily improve clinical efficacy and are typically associated with increased toxicity.

Study Type : Human Study
Additional Links
Problem Substances : Aspirin : CK(600) : AC(97)

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