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  • Title: Thrombolytic therapy: future issues.
    Author: Samama MM, Acar J.
    Journal: Thromb Haemost; 1995 Jul; 74(1):106-10. PubMed ID: 8578441.
    Abstract:
    A considerable amount of work has been devoted to thrombolytic therapy (about 3000 references from 1991 to 1995 in a Medline search). The most important and well established indication of thrombolytic treatment is acute myocardial infarction (MI). Megatrials have evidenced a significant 30 to 40% reduction in hospital mortality in the treated patients. However, lack of sufficient thrombolysis in approximately 25% of patients, reocclusion in 6 to 16% of patients and intracranial hemorrhage in about 0.5% of patients are the main concerns regarding thrombolysis. Three approaches should improve the results of thrombolytic therapy in acute MI: earlier medical treatment, use of more efficacious thrombolytic agents in combination with more active antithrombotic agents and reduction of severe bleeding with safer combination of drugs. An improved of laboratory monitoring may also reduce the incidence of severe hemorrhagic events. In acute pulmonary embolism (PE), a change of indication for treatment based on echocardiography and high probability ventilation-perfusion lung scan results (without requiring pulmonary angiography) could broaden the use of thrombolysis. However, thus far, there has not been a demonstration of a reduction in mortality in large controlled studies. Thrombolysis in acute ischemic stroke is an attractive treatment but thrombolytic treatment is still at an experimental stage. However, the successful use of rt-PA in acute MI has renewed the interest in thrombolysis for focal cerebro-vascular ischaemia. Large controlled studies with SK, rt-PA or UK locally or intravenously administered have been recently undertaken to evaluate the benefit/risk ratio of treatment which seems surprisingly variable in different subgroups of patients.(ABSTRACT TRUNCATED AT 250 WORDS)
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