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31 Ιουλ 2012 · If the dose of warfarin is too small, the INR will be low, and a patient may get a blood clot. If the dose is too large, the INR will be high, and a patient may develop a bleeding problem. In most cases, an INR between 2 and 3 indicates that the warfarin dose is about right.
It is now possible for a patient to measure his/her INR (self-testing) with a finger-stick drop of blood with use of a small, portable, battery-powered de-vice. Some self-testing patients adjust their dose of warfarin (self-dosing) based on a set of instructions.
18 Ιαν 2022 · The evaluation of systems supporting warfarin patient management during the pandemic is particularly important, as maintenance of the INR within a narrow therapeutic range is critical to avoid life-threatening thromboembolic and hemorrhagic events.
18 Απρ 2017 · A graphical demonstration of the difference in real-life INRs versus Rosendaal method regarding time outside the therapeutic range (and, hence, calculated TTR). INR indicates international normalized ratio; and TTR, time in the therapeutic range.
27 Ιουν 2023 · If the INR is below the target range, a person is considered under-anticoagulated, and there is an increased risk of clotting. If the INR is above the target range, the person is considered over-anticoagulated, and there is an increased risk of bleeding.
To evaluate the effectiveness of an outpatient, nurse-administered warfarin anticoagulation protocol for the treatment of atrial fibrillation, and to identify clinical or biographical data that predict poor international normalized ratio control. Design. Retrospective cohort study. Setting. St Paul Family Health Network in Brantford, Ont.
The warfarin therapeutic range refers to the target international normalized ratio (INR) values at which the anticoagulant effect of warfarin is deemed effective in preventing thromboembolic events while minimizing the risk of bleeding complications.
