Edited sentence: Anemia, reactions to the substances that make up the artificial heart, infection, and other serious disorders are still common after implantation of an artificial heart, and these are major causes of morbidity and mortality that need to be improved if such devices are going to become viable long-term artificial organ solutions.It is still not uncommon for people with an artificial heart to only live a year or more after implantation of the device, compared with up to five or ten years or more with a heart transplant as destination therapy.These advances and advances in other artificial hearts are important- most artificial hearts, even the long-tested devices described above, will only work reliably for a given number of heartbeats (usually at least a million or more) before they become less reliable and need to be partially or fully replaced by another such device, or, if eligible, by a heart transplant