Ann Neurol. 1988 Apr;23(4):391-4.

The safety and angiographic efficacy of tissue plasminogen activator in a cerebral embolization model.

Phillips DA, Fisher M, Smith TW, Davis MA.

Source

Department of Radiology, University of Massachusetts Medical School, Worcester.

Abstract

Thrombolysis with tissue plasminogen activator (tPA) has been used to treat myocardial infarction and pulmonary embolism in humans. This plasminogen activator may also be useful in treating certain strokes. We infused tPA or saline in rabbits 15 minutes after selective internal carotid artery embolization with 18-hour aged autologous clot. By serial angiography, the tPA-treated group demonstrated rapid angiographic reperfusion of the occluded vascular territory in 7 of 8 animals, whereas none of 6 saline controls did. None of the animals in either group developed macroscopic cerebral hemorrhage. Both groups showed cerebral infarction, predominantly in the territory of the occluded vessel; the extent of infarction did not differ between tPA-treated animals and controls. Early tPA therapy can allow reperfusion of occluded cerebral arteries safely and effectively in a rabbit cerebral embolization model.

PMID:: 3132892; [PubMed - indexed for MEDLINE]

Publication Types, MeSH Terms, Substances, Grant Support

Publication Types

MeSH Terms

Substances

Tissue Plasminogen Activator

Grant Support

632837/PHS HHS/United States

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