One centers on the role of myeloperoxidase, a protein found in white blood cells that plays an important role in fighting infections, but which we have discovered also participates in development of heart diseases. (lerner.ccf.org)
Because of this, the early development of heart failure can signal a need to slow down and / or alter a patient's breast cancer treatment because of the risk for worsening the condition or the development of permanent heart failure. (sciencedaily.com)
Generally, the condition progresses slowly over the course of several years so that patients may remain asymptomatic long after development of a heart murmur. (uvsonline.com)