Health

A Surprising Link: Age-Related Macular Degeneration and Atrial Fibrillation Revealed!

2025-09-11

Author: Li

Unlocking the Connection Between AMD and AF

Groundbreaking research from a 20-year-long study in Taiwan has uncovered a shocking connection between Age-Related Macular Degeneration (AMD) and Atrial Fibrillation (AF). Published in *Nature*, this study reveals that the onset of one condition could significantly elevate the risk of the other.

The Science Behind the Link

Despite much still being unknown, the shared biological mechanisms between AMD and AF—chronic inflammation, oxidative stress, and vascular endothelial growth factor—suggest that these conditions are more intertwined than previously thought.

Research Insights You Can't Ignore!

Led by Hou-Ren Tsai and colleagues, this extensive study analyzed data from the National Health Insurance Research Database of Taiwan, which covers an astonishing 99.6% of the population aged 50 and over. By comparing newly diagnosed cases of AF with matched controls, the research aimed to explore the bidirectional relationship between these two alarming health issues.

Stunning Findings from the AMD Group

The study found that individuals diagnosed with AMD had an 8% higher risk of developing AF compared to those who were not diagnosed. Those in the AMD cohort had a slightly shorter follow-up time of 6.40 years, and the incidence of AF reached almost 10 per 1,000 person-years in AMD patients, compared to about 9 in those without.

Diving Deeper: Dry vs. Wet AMD

Interesting trends emerged in subgroup analyses—dry AMD patients faced a heightened risk of developing AF, while those with wet AMD did not. Conversely, AF patients were also found to have a 10% higher risk of developing AMD, again with a notable incidence rate favoring those newly diagnosed.

Staggering Future Projections

The findings have major implications, especially given projections by GlobalData analysts, predicting over 99 million cases of AMD among people aged 50 and older across major markets by the end of 2025. For AF, the number is also set to soar, with estimates of over 24 million cases in the same demographic.

A Call to Action in Public Health

Prior to this extensive analysis, the connection between AMD and AF was largely unexplored, with only a single prior study hinting at a possible correlation. These new insights call for increased awareness and highlight critical gaps in healthcare and public health policy that need addressing.