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Evidence for sustained platelet activation in patients with early postinfarction angina
D Hofmann1, C W Hamm, R L Lorenz
1Department of Cardiology, University Hospital Hamburg, Germany.
Thrombosis Research
|October 15, 1993
Abstract:
Excretion of 2,3-dinor-thromboxane B2 released from activated platelets has been found elevated in patients with acute myocardial infarction and unstable angina. To investigate the role of thrombotic activity in postinfarction angina we measured urinary concentrations of 2,3-dinorthromboxane B2 in 20 patients over 10 days after myocardial infarction. Compared with 11 patients recovering pain-free, excretion of 2,3-dinorthromboxane B2 was found elevated in 9 patients who developed postinfarction angina. Accordingly, early postinfarction angina appears to be associated with ongoing thrombotic activity.