Nahhas CR, Chalmers PN, Parvizi J, et al. - A randomized clinical trial was designed to correlate perioperative and postoperative variables between static and articulating spacers for the treatment of chronic periprosthetic joint infection (PJI) complicating total hip arthroplasty (THA). Researchers randomized 52 patients undergoing resection arthroplasty as part of two-stage exchange for PJI at three centers to either a static (n=23) or articulating spacer (n=29). This study’s findings illustrate that the results of static and articulating spacers are similar in the treatment of THA PJI undergoing two-stage exchange arthroplasty. For the health care system, the significantly longer length of hospital stay correlated with the use of static spacers may have important economic implications.