The European Medicines Agency is investigating the issue with help from the FDA. At this stage, the group emphasized that it remains unclear if the Johnson & Johnson vaccine is associated with any specific blood clot risk.

The device is only approved in the United States for investigational use at this time.

Putting OAC therapy on hold does have its own benefits, the authors wrote, but uninterrupted OAC therapy is still the better choice. 

Typically used to treat Type 2 diabetes, metformin may also provide value as a treatment option for a serious, potentially fatal kidney disease. 

“Our research has identified a secret switch that allows heart muscle cells to divide and multiply after the heart is injured," one researcher explained. "It kicks in when needed and turns off when the heart is fully healed."

The Heart Failure Association, European Association of Cardiovascular Imaging, European Heart Rhythm Association and European Association of Percutaneous Cardiovascular Interventions all collaborated on the position statement.

Researchers reviewed data from 34 different studies, covering a total of more than 63,000 patients.

New research out of Duke University provides a fresh perspective on the connection between prior hospitalizations for heart failure and all-cause mortality.