New Definition for Periprosthetic Joint Infection: From the Workgroup of the Musculoskeletal Infection Society
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Periprosthetic joint infection (PJI) is one of the most challenging and frequent complications after lower-extremity joint (hip and knee) arthroplasty. However, there is no single accepted set of diagnostic criteria for PJI. Various definitions have been proposed; however, none have been widely adopted. Furthermore, some of these definitions disagree with each other . Therefore, a workgroup convened by the Musculoskeletal Infection Society (MSIS) analyzed the available evidence to propose a new definition for PJI. A summary of recommendations of those in attendance at a premeeting workshop of the 21st Annual Meeting of the MSIS on August 4, 2011, pertaining to the definition of PJI is outlined below. Existing published data on the definition of PJI was discussed by e-mail in the preceding 6 months by the executive members of the MSIS and a group of experts with known interest in this field. The intention of this proposal is to have a “gold standard” definition for PJI...
KeywordsAcne Periprosthetic Joint Infection Periprosthetic Fracture Periprosthetic Tissue Inflammatory Arthropathy
We thank the following individuals for their involvement and invaluable input throughout the development of this document: Robert Barrack MD, Keith Berend MD, Sandra Berrios-Torres (from Centers for Disease Control and Prevention), Kevin Bozic MD, John Esterhai MD, Ryan Fagan (from Centers for Disease Control and Prevention), Thomas Fehring MD, Terry Gioe MD, Teresa Horan (from Centers for Disease Control and Prevention), Steven Kurtz PhD, Bas Masri MD, Arvind Nana MD, Douglas Osmon MD, John Segreti MD, and Mark Spangehl MD.
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