Abstract
To determine the incidence of adverse effects of antithrombotic drugs (platelet anti-aggregants and anticoagulants) in patients with transient ischemic attacks (TIA) and mild ischemic strokes (IL). Clinical follow-up data on the patients with TIA and IL included in a community-based observational study undertaken in the province of Segovia. Adverse effects which led to suspension of treatment or were a potential danger for the patient's life were recorded. The groups studied included 235 patients and the average initial age was 70.8 years. The average follow-up time was 3.6 years. The treatment initially given included: aspirin (75.7%), ticlopidine (12.8%) and acenocumarol (9.4%). Adverse effects led to suspension of treatment in 6% (5% with aspirin and acenocumarol, 17% with ticlopidine). The adverse effects of ticlopidine were mild and patients did not need admission to hospital (cutaneous exanthema, diarrhoea and reversible leucopenia). Aspirin was associated with digestive tract bleeding (2.8%) and cerebral hemorrhage (1.7%) which required hospital admission in most cases. One patient treated with acenocumarol presented with a retroperitoneal hematoma. In general antithrombotic drugs are well-tolerated by patients with TIA and LI. Hemorrhagic complications, particularly of the digestive tract, associated with aspirin limit tolerance to it.
Published Version
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