Research: Catheter Ablation for Atrial Fibrillation Lowers Risk of Dementia
In an important study from South Korea, researchers found that patients undergoing a successful catheter ablation for A-Fib had a reduced risk of dementia. Previous research had shown that A-Fib was linked to an increased risk of dementia.
Sinus Rhythm Reduces Dementia
Intuitively one would think that going from A-Fib to normal sinus rhythm would increase and improve blood flow to the brain, thereby improving brain function. And indeed, in this retrospective study, catheter ablation reduced the incidence of dementia by nearly a third (27%) compared to those who tried to control their A-Fib with medication alone.
Using data from South Korea’s National Health Insurance Service, they identified 9,119 patients who had ablation and 17,978 who received medical therapies. During the follow-up period (6-12 years) there were 164 cases of dementia in the ablation group and 308 cases in the medical therapy group. Ablation was linked to a 23% lower incidence of Alzheimer’s disease and a 50% decrease in vascular dementia compared to medical therapies.
Ablation Reduced Dementia by 44%!
According to one of the lead researchers, Dr. Gregory Lip of the University of Liverpool (UK), “…successful ablation was significantly associated with a 44% reduced risk of dementia compared to medical therapy…”
Improved Blood Flow Reduces Alzheimer’s
What’s perhaps most important about this study is the reduced risk or incidence of Alzheimer’s disease after a successful catheter ablation for A-Fib. When people develop Alzheimer’s, it’s considered the end, that there’s very little that can be done to help these patients. But restoring blood flow to their brains seems to prevent or reduce Alzheimer’s.
Can we prevent or reduce Alzheimer’s by improving blood flow to the brain? Could these researchers have discovered a way to cure or improve Alzheimer’s? This could be ground-breaking research!