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Online ISSN 1827-1707
Carrega G. 1, Bartolacci V. 1, Burastero G. 1, Casalino Finocchio G. 1, Grappiolo G. 2, Ronca A. 3, Salomone C. 2, Riccio G. 1
1 Department of Infectious Disease and Septic Orthopedic Surgery, Santa Corona Hospital, Pietra Ligure, Savona, Italy;
2 Department of Orthopedic and Prosthetic Surgery, Santa Corona Hospital, Pietra Ligure, Savona, Italy;
3 Department of Microbiology, Santa Corona Hospital, Pietra Ligure, Savona, Italy
Aim. Infection is a not frequent but severe complication of arthroplasty. The aim of this study was to evaluate incidence, etiology and final outcome of surgical site infections (SSI) following hip or knee arthroplasty in a tertiary care center in Italy.
Methods. Prospective evaluation, with 2-year-follow-up, of primary and revision arthroplasties performed in one year.
Results. Seventeen SSI were documented in 1494 arthroplasty (1.1%). The proportion of SSI was significantly higher after revision compared with primary arthoplasty (5% vs. 0.8%, p<0.001). This difference still remained significant also stratifying primary or revision infection by the joint (hip or knee). Early infections were more frequent after primary arthroplasties, while delayed episodes were more frequent after revision arthroplasties (P=0.035). Treatment was successful more frequently in infections following primary arthroplasties than from revisions.
Conclusion. The incidence of SSI is significantly related with the type of arthroplasty (primary vs. revision) and not with the joint involved (hip vs. knee). A diagnosis of early SSI is more frequent after primary arthroplasties and is associated with a better prognosis.