Archived Blog Post: February 8, 2001

Fixing The Heart, Hurting The Brain - "Doctors do not know for sure why this mental loss happens, or even whether the operation causes it. For example, it might be that people whose arteries need to be replaced already have damaged blood vessels in their brains as well. The loss might also have something to do with being put on a heart-lung machine, which circulates blood through the patient's body during surgery."