Edwards Lifesciences Corp.’s Sapien XT, a slimmer version of its original device used to repair a calcified aortic valve in the heart, is just as effective and potentially easier to use, researchers said.
Birth defects can be spotted more precisely with advanced genetic tests that are performed on a fetus than with current prenatal tests, and may help pinpoint abnormalities that cause stillbirths, researchers said.
Debbie McCarron was prepared to get both of her breasts taken off if a blood test in December 2006 revealed she carried a gene that vastly increases the risk of breast cancer. Having survived the disease five years earlier, she didn’t want to risk getting it again.
St. Jude Medical Inc.’s device to plug openings in the heart after a stroke failed to definitively prevent repeat incidents in patients under age 60 compared with non-surgical drug treatment, two studies found.