Hyaluronic acid fillers are the second-most popular non-invasive aesthetic procedure globally. It’s a simple, out-patient treatment with great results and very low risk of complications. However, one of those rare complications is pretty serious: intravascular embolisms, or blockage of the blood vessels. In this video, Rod J. Rohrich, MD, Editor-in-Chief of “Plastic and Reconstructive Surgery,” discusses a new experiment that tested the efficacy of different-sized doses of hyaluronidase, an enzy