A 34-year-old female asked:
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now on lifelong blood thinning treatment after blood clots in lungs twice the past 2 years. what's the risk og getting new clots? inr is constant 2,5

1 doctor answer
Dr. Corey Clay
9 years experience Allergy and Immunology
Repeat clot risk: According to American College Chest Physicians: After a second episode of unprovoked VTE – 15 percent for the first year; 7.5 percent/year thereafter. This is without anticoagulation and assumes you had no risk factors for past episodes (genetic predisposition, trauma, surgery, pertinent medication etc.). Since recurrence can be deadly, we recommend blood thinners for life unless ..(see comment)
Answered on May 4, 2015
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Dr. Corey Clay
Dr. Corey Clay commented
9 years experience Allergy and Immunology
Provided original answer
unless your situation changes and the risk of bleeding outweighs the risk of repeated clotting. Educating yourself with regard to medication and diet interactions with your treatment is key in maintaining optimized INR. Notably, your risk of having another clot ON anticoagulation is unknown (we don't yet have the data), but expected to be a fraction of the risk while on blood thinner.
May 4, 2015

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