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Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_17 | Pages 76 - 76
24 Nov 2023
Hesselvig AB Bjarnsholt T Jørgensen A Gottlieb H
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Aim

To evaluate whether sonication of implant material and subsequent culturing add clinical relevance to culturing of tissue biopsies for improved antibiotic treatment in treatment of bone and joint infection.

Method

A retrospective examination of patients’ charts and microbiological analyses in patients who had explanted material (plates, screws, k-wires and prostheses) send for sonication between December 2020 and April 2022.


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_17 | Pages 41 - 41
24 Nov 2023
Lilleøre JG Jørgensen A Knudsen M Hanberg P Öbrink-Hansen K Tøstesen S Søballe K Stilling M Bue M
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Background and aim

Implant-associated osteomyelitis is one of the most feared complications following orthopedic surgery. Although the risk is low it is crucial to achieve adequate antibiotic concentrations proximate to the implant for a sufficient amount of time to protect the implant surface and ensure tissue integration. The aim of this study was to assess steady-state piperacillin concentrations in the proximity of an orthopedic implant inserted in cancellous bone.

Method

Six female pigs received an intravenous bolus infusion of 4 g/0.5 g piperacillin/tazobactam over 30 min every 6 h. Steady state was assumed achieved in the third dosing interval (12–18 h). Microdialysis catheters were placed in a cannulated screw in the proximal tibial cancellous bone, in cancellous bone next to the screw, and in cancellous bone on the contralateral tibia. Dialysates were collected from time 12 to 18 h and plasma samples were collected as reference.


Orthopaedic Proceedings
Vol. 101-B, Issue SUPP_9 | Pages 44 - 44
1 Sep 2019
Riis A Karran E Jørgensen A Holst S Rolving N
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Background

Advice to stay active should be delivered to all patients with low back pain (LBP) without a serious underlying condition. However, some patients still believe that the avoidance of activities will help them to recover. These patients may be less likely to experience favourable outcomes.

Purpose

To investigate how many patients consider LBP to be a signal to stop being active.