Cat christmas  meganholloran wrote almost 3 years ago

My first pulmonary embolism was five years ago, and my doctor in Korea believed it was due to my birth control; I took blood thinners for two years and all seemed to be solved. Now, at age 30, I just had my second pulmonary embolism due to reasons still unknown to my doctors (I'm healthy, have no regular causation factors, no family history...).

So, after all is said and done, I've been advised to be as consistent as possible in everything I do on a daily basis (time and frequency of food, exercise, medication, etc.) to eliminate any external factors. I'm pretty new to all this, and I can't quite figure out my vitamin K intake. I keep being told that being consistent is the most important thing, but I'm not quite sure HOW consistent I should be... based on my usual diet, I've set my goal to 110 micrograms per day, but what range should it be safe to stay within? 5 micrograms either way? 10? 20?

Category: INR

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Brachiosaurus  warrick - (1) - posted almost 3 years ago

Hi, I see the recommended daily intake is 122 mcg for women and 138 mcg for men.
If you think you are really sensitive to vit k and you see your INR up and down then perhaps you do need to be working it out as close as possible. I don't know your circumstances there, I self test weekly with a coaguchek and the relatively small expense gives me piece of mind that weekly I know where its at. Some weeks if I don't eat alot of veges or have more than usual I notice small changes in my INR (0.4-0.5 up or down)and have to adjust my dosage slightly, where as other people would notice a big change because everyones metabolism is different. Alot of users test monthly but I prefer weekly due to my age and job (40, heavy mechanic) and I have a mechanical valve from a birth defect. If you read alot of the current up to date literature in many countries the gold standard is recognised as weekly INR testing, and POC testing machines (point of care finger stick machines) rather than a blood draw have made this easy for the majority of warfarin users, unless you have antiphospholipid antibody syndrome (APLA syndrome).
If you read up a bit you will find the big nono things like cranberry juice, grapefruit, protein shakes, all of which aren't a normal part of my diet anyway.
I have found keeping a good record of weekly INRs and daily warfarin pills is the best way to get a good idea of what to expect with your diet and under normal circumstances it will always fluctuate a bit and may sometimes go under or over your range with no apparant explanation. I guess I'm fortunate that I can still eat the exact same diet as before my surgery. I could tell you that 10-20 mcg won't make any difference but then you might see a big change, whos to know ? Keep a record, gather the data and it will come together. Know thyself.

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