Patient Stories Print In a first, Mayo Clinic treats cardiology patient with phage therapyMark Ulland, a Mayo Clinic patient, recently received a lifesaving combination of phage therapy followed by a heart transplant. It is the first time Mayo Clinic has ever used phages to treat a cardiology patient. It is also the first time in years that Mark has felt hopeful. "I'm extremely grateful," Mark says. "I feel blessed. I'm getting stronger every day." Mark's long journey back to health began when his heart was failing, and the… PST-20462451 Home Patient Stories