Nitric oxide may benefit damaged hearts

Nitric oxide may benefit damaged hearts

By Damaris Christensen, 15:47 PM April 15, 2008

From New Orleans, at a meeting of the American Heart Association

A sudden cutoff of oxygen can kill heart tissue and cause a heart attack. Even when blood flow is restored, however, yet another round of damage can occur, this time due to cell-killing swelling and inflammation.

In a new study of mice, breathing low concentrations of nitric oxide for 24 hours after a heart attack decreased the amount of heart-tissue death and scarring by 29 percent.

The treatment also reduced the number and activ...

Source URL: