نتایج جستجو برای: alteplase
تعداد نتایج: 6831 فیلتر نتایج به سال:
BACKGROUND The use of central venous catheters as a source of vascular access in patients undergoing hemodialysis may be complicated by thrombosis. Frequently, thrombolytics are used in an attempt to reestablish blood flow through partially or completely occluded catheters. OBJECTIVE To compare the efficacy of alteplase (recombinant tissue plasminogen activator) versus urokinase in reestablis...
OBJECTIVE To investigate whether the location and extent of the CT hyperdense artery sign (HAS) at presentation affects response to IV alteplase in the randomized controlled Third International Stroke Trial (IST-3). METHODS All prerandomization and follow-up (24-48 hours) CT brain scans in IST-3 were assessed for HAS presence, location, and extent by masked raters. We assessed whether HAS gre...
RATIONALE Thrombolysis with intravenous alteplase is both effective and safe when administered to particular types of patient within 4·5 hours of having an ischemic stroke. However, the extent to which effects might vary in different types of patient is uncertain. AIMS AND DESIGN We describe the protocol for an updated individual patient data meta-analysis of trials of intravenous alteplase, ...
INTRODUCTION Usage of fibrinolytic therapy leads to reperfusion of the occluded coronary arteries, rescue of ventricle myocardium and successful recovery of patient. GOAL The objective of this study was to compare the reperfusion effect of streptokinase and alteplase in acute myocardial infarction (AMI) by analyzing echocardiographic parameters and post-coronarography treatment. PATIENTS AN...
Peak serum C-reactive protein concentrations were measured in 146 patients randomized to receive streptokinase, alteplase, or a combination of streptokinase and alteplase in the GUSTO-I trial. Those receiving alteplase treatment had lower values than those receiving streptokinase or the combination treatment. Irrespective of treatment, complete reperfusion of the infarct-related artery (TIMI gr...
PURPOSE Alteplase is approved for use in the restoration of function to occluded central venous access devices (CVADs); however, there are few prospective studies in children. This study was undertaken to evaluate the safety and efficacy of alteplase in the treatment of CVAD occlusions in a pediatric population. MATERIALS AND METHODS A prospective, multicenter, open-label, single-arm study ev...
BACKGROUND The use of thrombolytic agents in the treatment of hemodynamically stable patients with acute submassive pulmonary embolism remains controversial. METHODS We conducted a study of patients with acute pulmonary embolism and pulmonary hypertension or right ventricular dysfunction but without arterial hypotension or shock. The patients were randomly assigned in double-blind fashion to ...
BACKGROUND AND PURPOSE the Echoplanar Imaging Thrombolytic Evaluation Trial (EPITHET) was a prospective, randomized, double-blinded, placebo-controlled, phase II trial of alteplase between 3 and 6 hours after stroke onset. The primary outcome of infarct growth attenuation on MRI with alteplase in mismatch patients was negative when mismatch volumes were assessed volumetrically, without coregist...
BACKGROUND AND PURPOSE Hypothermia is neuroprotective in ischemic stroke models. The influence of baseline body temperature on outcomes after thrombolytic therapy is unclear. We examined outcomes after alteplase treatment across baseline body temperature for patients with ischemic stroke in data held within the Virtual International Stroke Trials Archive (VISTA; 1998 to 2007). METHODS We coll...
PURPOSE To evaluate the efficacy and economic impact of a maximum of 2 doses of intraluminal volume 1 mg/1 mL dose alteplase for the clearance of occluded peripherally inserted central catheter (PICC) lines at a long-term acute care hospital (LTACH). METHODS Open-label, nonrandomized quasi-experimental trial taking place over a 3-month period from December 2013 to March 2014. Patients had a s...
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