Comparison Of Aspirin With A Thromboxane Antagonist For Patients With Prolonged Chest Pain And St Segment Depression
NEW ZEALAND MEDICAL JOURNAL(1996)
Abstract
Aim. To compare a thromboxane anatagonist (GR3219) with aspirin in patients with prolonged chest pain and ST segment depression to see if the frequency of attacks of chest pain was reduced.Methods. The trial was part of a study comparing GR3219 with aspirin, and streptokinase with placebo and comprised the GR3219/aspirin leg.Thirty one patients were randomly assigned to GR3219 80 mg twice daily and 28 to aspirin 300 mg daily. The patients were under the age of 76 and admitted to a coronary care unit within 6 hours of continuous chest pain. The ECG showed at least 1 mm of flat or downgoing ST segment. The patients kept diaries of their pain over the subsequent 31 days.Results. Seventy percent of patients developed further chest pain, There was no difference between the pattern of recurrent chest pain according to which drug was used.Conclusions. The hypothesis that specific thromboxane A blockade with GR3219 would be more efficacious than aspirin was not supported by these results.
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Key words
thromboxane antagonist,aspirin,chest pain,antagonist segment depression
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