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- W1991052904 abstract "Underlying the use of thrombolytic therapy is the hypothesis that reestablishment and maintenance of coronary blood flow (coronary patency) are the primary mechanisms of therapeutic benefit in patients with acute myocardial infarction. Early achievement and maintenance of adequate coronary blood flow (patency) in the infarct-related artery are the primary goals of thrombolytic therapy. One third of patients may achieve spontaneous patency within a few days following acute myocardial infarction. When antithrombotic therapy (i.e., heparin) is administered, this rate increases to greater than 50%, but patency is achieved only gradually and mortality reductions comparable to thrombolytic therapy are not achieved. After administration of a thrombolytic agent, early (90-minute) patency rates are greater with alteplase or anistreplase than with streptokinase. However, patency rates for alteplase decline by 10-30% if intravenous heparin is not given concurrently. When patency is assessed greater than 24 hours following thrombolytic therapy, no significant difference exists among the agents. A single angiographic observation of the artery at 90 minutes, although useful, may be inadequate to distinguish among the beneficial clinical effects of different thrombolytic regimens. The overall reperfusion or patency profile is probably a better basis for assessing relative benefits. Intravenous thrombolytic regimens that are increasingly effective in rapidly achieving and maintaining coronary patency are now available and in further development." @default.
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- W1991052904 date "1991-12-01" @default.
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- W1991052904 title "Overview of patency as an end point of thrombolytic therapy" @default.
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- W1991052904 doi "https://doi.org/10.1016/0002-9149(91)90300-a" @default.
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