‘And these active people are probably more willing to undergo surgery that will enable them to continue to be active.’ Artificial knees last 15 to 20 years generally. Some are promoted as long lasting 30 years, but these estimates are based on use among older people more sedentary than baby boomers who expect new knees to permit them be as active as they were before surgery. Doctors frequently discourage knee replacement individuals from participating in high-impact sports including jogging. WebMD has more on knee replacement surgery.. 4.5 million Americans over 50 possess artificial knees A lot more than 4 million Americans over 50 have artificial knees, according to a new study. That’s almost 1 in 20 Americans travelling with the help of metal or plastic.‘PENTAX Medical is pleased to support the AGA Institute in its work to promote innovation in gastroenterology,’ said Len Farris, vice president of marketing, Americas, PENTAX Medical. ‘By buying the AGA Institute, we are putting development in the hands of GI clinicians who are at the forefront of battling digestive diseases. We anticipate the technical discoveries that will result from this collaboration.’.. Laurent Papazian, M.D., Ph.D., Jean-Marie Forel, M.D., Arnaud Gacouin, M.D., Christine Penot-Ragon, Pharm.D., Gilles Perrin, M.D., Anderson Loundou, Ph.D., Samir Jaber, M.D., Ph.D., Jean-Michel Arnal, M.D., Didier Perez, M.D., Jean-Marie Seghboyan, M.D., Jean-Michel Constantin, M.D., Ph.D., Pierre Courant, M.D., Jean-Yves Lefrant, M.D., Ph.D.D., Ph.D.D., Sophie Morange, M.D., and Antoine Roch, M.D., Ph.D.