Unlike synthetic models, this heart was printed with actual biological tissue from a patient’s own cells. Could this be the beginning of lab-grown, on-demand human organs? Senate GOP Restores Medicaid ...

Objective To determine the cost-effectiveness of transcatheter aortic valve implantation (TAVI) compared with surgical aortic valve replacement (SAVR) in a high-risk aortic stenosis (AS) population.

Biological valves containing a simple ring showed no disturbing artifacts, unlike valves with metal struts. 57 Of 83 patients with various biological valves, 62 showed excellent image quality, 16 ...