Amelioration of rat cardiac cold ischemia/reperfusion injury with inhaled hydrogen or carbon monoxide, or both

How Inhaling Simple Gases Can Protect Your Heart During Surgery

A 2010 study found that inhaling hydrogen, carbon monoxide, or both can help protect the heart during surgery. This discovery could lead to new treatments and better outcomes for people having heart surgery. The gases reduce inflammation and stop harmful chemicals from damaging the heart.