Epidemiology - Hip and knee

This article reviews the epidemiologic features of periprosthetic fractures around total hip arthroplasty and total knee arthroplasty according to the site of fracture occurrence. The frequency and cause of intraoperative and postoperative periprosthetic fractures vary by anatomic site. For each ana tomic site, unique risk factors, some demographic and some technical, appea r to be related to risk of fracture. For several anatomic sites, excellent articles that collate large numbers of series are available to the reader t o provide aggregate information concerning the epidemiology of these fractu res.