نتایج جستجو برای: standard heparin
تعداد نتایج: 544724 فیلتر نتایج به سال:
To test recommended anticoagulation measures as predictors of 180-day venous thromboembolism (VTE) recurrence, we identified all Olmsted County, MN residents with incident VTE over the 14-year period of 1984-1997, and followed each case (N = 1166) forward in time for VTE recurrence. We tested the activated partial thromboplastin time (APTT), international normalized ratio (INR), and other measu...
The molecular weight (MW) of heparin can be accurately determined by size exclusion chromatography using "universal calibration." A universal calibration curve was constructed for Superose 12 with standard pullulan samples and verified using characterized ficoll fractions. This calibration yielded the correct MW of heparin as determined by light scattering, when the ionic strength of the mobile...
BACKGROUND Antithrombotic therapy with heparin reduces the rate of ischemic events in patients with acute coronary syndrome. Low-molecular-weight heparin, given subcutaneously twice daily, has a more predictable anticoagulant effect than standard unfractionated heparin. Moreover, it is easier to administer and does not require monitoring. METHODS We prospectively analyzed 180 patients with un...
Prophylactic heparin came into widespread use after low dose or mini-dose heparin (low dose unfractionated heparin [LDUH]) was found to be effective in significantly reducing the risk of deep vein thrombosis (DVT) and pulmonary embolism, without major bleeding complications. This regimen is the standard for comparison with other methods, and it is the mainstay in moderate and high risk general ...
The relative importance of antithrombin and anti-factor Xa activities of heparin fractions required to achieve optimal antithrombotic effects is unknown. To study this, we measured the effects of standard heparin, an octasaccharide heparin fraction (anti-factor Xa activity only), and dermatan sulfate (antithrombin activity only) on the prevention of thrombosis and related this to their anticoag...
Editor—Reversing heparin-induced anticoagulation quickly and effectively can be challenging in bleeding patients undergoing emergency surgery. The required dose of protamine to neutralize unfractionated heparin (UFH) is difficult to predict and use of standard coagulation tests such as activated partial thromboplastin time (aPTT) to assess the effectiveness of reversal may delay surgery, compro...
Background and purpose: One of the most common complications of catheter in hemodialysis patients is infections and many methods have been proposed to prevent it. This study compared the effects of heparin lock-antibiotics and heparin to prevent infections in patients undergoing hemodialysis. Materials and methods: This single blind clinical trial included 122 patients who were randomly assign...
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