Knee replacement may lower a patient's risk for mortality and heart failure Eureka! Science News New research presented at the 2012 Annual Meeting of the American Academy of Orthopaedic Surgeons (AAOS) highlights the benefits of total knee replacement (TKR) in elderly patients with osteoarthritis, including a lower probability of heart failure and ... Total Knee Replacement Tied to Lower Mortality, Heart Failure in Elderly Patients |