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There is lots of literature showing a correlation between AFib and stroke , but my understanding is that there is no demonstrated causal relationship. There is a relatively recent bmj article that shows that people who have had surgery to resolve AFib have an unchanged chance of stroke.
To me this points to the fact that there may be some common cause of the two conditions – rather than a causal relationship. Has anyone seen any research relating to this ?3 Comments-
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Apart from the fact that there’s no scientific studies that have showed this, to my knowledge. The pooling hypothesis is exactly that , a sensibly sounding hypothesis but with no sound research to back it up. I was diagnosed with Atrial Flutter many years ago and had a catheter ablation that completely resolved it – when I was later diagnosed with Atrial Fib, the surgeon who did my first surgery (A professor of cardiac surgery at a teaching hospital) commented that there was no scientific study proving a link between surgery to resolve AFib and ‘better lifetime outcomes’ for the patients. So I did not have the surgery – and then had a stroke ! So again – correlation but no proven causal relationship !!
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do you have any links you can share to articles proving a causal relationship between Afib and stroke ?
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The reason for stroke risk for afib is that blood can pool in the heart during an episode and if the episode lasts long enough then clotting can occur risking a stroke.
If you fix the afib then that risk “should” go away.