ROLE OF JOINT ASPIRATION PRIOR TO REIMPLANTATION IN PATIENTS WITH A CEMENT SPACER IN PLACE
2018
Aim The effectiveness of mandatory joint aspiration prior to re-implantation in patients with a cement spacer already in place is unclear. The aim of this study was to evaluate the role of culturing articular fluid obtained by joint aspiration prior to re-implantation in patients who underwent a two stage septic revision. Method A retrospective observational study was conducted, assessing51 patients that underwent a two stage septic hip or knee revision from 2010 to 2017. According to the results of intraoperative cultures, after the first stage revision each patient was treated with an antibiotic protocol for 6–8 weeks. Following two weeks without antibiotics, a culture of synovial fluid was obtained. Synovial fluid was obtained by direct joint aspiration in cases of knee spacers by and by joint aspiration guided by fluoroscopy in the theatre room in cases of hip spacers. Synovial fluid was transferred into a Vacutainer ACD® flask. Samples were processed and analysed in the microbiology laboratory. Gram ...
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