نتایج جستجو برای: recombinant tissue plasminogen activator rtpa
تعداد نتایج: 1042975 فیلتر نتایج به سال:
BACKGROUND AND PURPOSE In acute ischemic stroke, thrombolytic treatment with recombinant tissue plasminogen activator (rtPA) is limited by a concomitant activation of the coagulatory system, leading to incomplete or delayed reperfusion, microcirculatory disturbances, or even repeated vessel occlusions. Our pilot study sought to assess the therapeutic potential of a new treatment strategy combin...
BACKGROUND AND PURPOSE Recently, 3 clinical trials revealed encouraging results in recanalization and clinical outcome in acute stroke patients when 2-MHz transcranial Doppler monitoring was applied. This study investigated whether a 1.8-MHz commercial diagnostic ultrasound device has the potential to facilitate thrombolysis using an in vitro stroke model. METHODS Duplex-Doppler, continuous w...
PURPOSE Human corneal endothelial cells (HCECs) are nonmitotic cells. Any intracameral application of a drug requires evaluation of the potential apoptotic and toxic effects. Intracameral recombinant tissue plasminogen activator (rtPA) is successfully used for the treatment of severe and prolonged postoperative fibrin reaction. This study was undertaken to investigate the toxicity of rtPA on cu...
BACKGROUND Development of new coronary thrombolytic agents is hot in the market. A new drug, mutated recombinant tissue-type plasminogen activator (rtPAm), is the product of mutation of tPA by changing binding loci with plasminogen activator inhibitor (PAI)-1 to reduce the degradation. In vitro test has demonstrated that the activity of rtPAm is much higher than rtPA in the absence of PAI. The ...
BACKGROUND Catheter-based lysis with recombinant tissue plasminogen activator (rtPA) is a well-established therapy for spontaneous intracerebral hemorrhage (ICH). The effectiveness of this therapy can be increased with ultrasound, but the optimal conditions are not yet clearly established. Using a novel in vitro system of blood clots previously developed by our group, we investigated various pa...
BACKGROUND AND PURPOSE Argatroban, a specific thrombin inhibitor, has been shown to reduce ischemic lesion size after focal cerebral ischemia in rats. In addition, recombinant tissue plasminogen activator (rtPA) has been shown to reduce ischemic lesion size in both rats and humans if given within 3 hours of symptom onset. We tested the hypothesis that the administration of argatroban with rtPA ...
BACKGROUND AND PURPOSE Using a model of embolic stroke, the present study tested the hypothesis that blockage of endothelin-1 with S-0139, a specific endothelin type A receptor (ET(A)) antagonist, enhances the neuroprotective effect of recombinant tissue plasminogen activator (rtPA) by suppressing molecules that mediate thrombosis and blood brain barrier (BBB) disruption induced by ischemia and...
BACKGROUND Recombinant tissue plasminogen activator (rTPA) is an established treatment for acute ischemic stroke. The rate and type of protocol violations in rTPA use and their effect on patient outcomes in this setting are not well understood. OBJECTIVE The objective of this study was to examine associations between protocol violations and outcomes in community-based rTPA use. METHODS We r...
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