Patients who have surgery to repair bone fractures typically receive a type of injectable blood thinner, low-molecular-weight heparin, to prevent life-threatening blood clots, but a new clinical trial found that over-the-counter aspirin is just as effective. The findings, presented today at the Orthopedic Trauma Association (OTA) annual meeting in Tampa, FL, could cause surgeons to change their practice and administer aspirin instead to these patients.