BACKGROUND The usefulness of a mandatory joint aspiration before re-implantation in patients with a cement spacer already in place is unclear.AIM To evaluate the role of culturing synovial fluid obtained by joint aspi...BACKGROUND The usefulness of a mandatory joint aspiration before re-implantation in patients with a cement spacer already in place is unclear.AIM To evaluate the role of culturing synovial fluid obtained by joint aspiration before re-implantation in patients who underwent a two-stage septic revision.METHODS A retrospective observational study was conducted,including patients that underwent a two-stage septic revision(hip or knee)from 2010 to 2017.After the first stage revision and according to intraoperative culture results,all patients were treated with an antibiotic protocol for 6-8 wk.Following 2 wk without antibiotics,a culture of synovial fluid was obtained.The results of these cultures were recorded and compared with cultures obtained during re-implantation surgery.RESULTS Forty-one patients(20 hip and 21 knee spacers)were included in the final analysis.In 39 cases,the culture of synovial fluid was negative,while in the remaining 2 cases(knee spacers)no analysis was possible due to dry tap.In 5 of the patients,two or more intraoperative cultures taken during the re-implantation surgery were positive.CONCLUSION We found no evidence to support mandatory joint aspiration before re-implantation in patients with a cement spacer in place.展开更多
文摘BACKGROUND The usefulness of a mandatory joint aspiration before re-implantation in patients with a cement spacer already in place is unclear.AIM To evaluate the role of culturing synovial fluid obtained by joint aspiration before re-implantation in patients who underwent a two-stage septic revision.METHODS A retrospective observational study was conducted,including patients that underwent a two-stage septic revision(hip or knee)from 2010 to 2017.After the first stage revision and according to intraoperative culture results,all patients were treated with an antibiotic protocol for 6-8 wk.Following 2 wk without antibiotics,a culture of synovial fluid was obtained.The results of these cultures were recorded and compared with cultures obtained during re-implantation surgery.RESULTS Forty-one patients(20 hip and 21 knee spacers)were included in the final analysis.In 39 cases,the culture of synovial fluid was negative,while in the remaining 2 cases(knee spacers)no analysis was possible due to dry tap.In 5 of the patients,two or more intraoperative cultures taken during the re-implantation surgery were positive.CONCLUSION We found no evidence to support mandatory joint aspiration before re-implantation in patients with a cement spacer in place.
