You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A patient on warfarin therapy can be taken for elective surgery if INR is ? and explain in detail?
.LOW MOLECULAR WEIGHT HEPARIN (LMWH) It is a commercially prepared heparin with a molecular weight of 4,000 to 6,500. * Enoxaparin. * Dalteparin. * Parnaparin. * Reviparin. * Fraxiparin.Advantages includes * Have a longer duration of action - once a day * Have a better anticoagulant effect * Less interaction with platelets * Less antigenic * Usage is easier and more acceptable * Monitoring is not necessary.Indications for therapy includes 1. In DVT after cessation of heparin for maintenance therapy. 2. After valve replacement surgery. To achieve adequate anticoagulant effect and to prevent thromboembolic episodes the INR has to be maintained within 2-3. ref:SRB&;s manual of surgery,ed 3,pg no 207