The analysis, published in JAMA Network Open, included data from nearly 1.8 million Medicare patients. 

Catheter ablation was consistently linked to more substantial LVEF improvements than pharmacological therapy.

“If our finding is confirmed, it would make aspirin the first widely available, over-the-counter medication to reduce mortality in COVID-19 patients," one researcher observed. 

The analysis focused on more than 241,000 patients with diabetes.