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Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_2 | Pages 94 - 94
10 Feb 2023
Lynch-Larkin J D'Arcy M Chuang T
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The role of dual consultant operating (DCO) in general orthopaedics has not been researched; where it has shown benefit in other specialties, there is a lack of information on how DCO affects the surgeons themselves. We wanted to explore the potential effects of DCO on stress, as a foundation for further research to guide support for our surgeons.

We conducted a survey among orthopaedic consultants around New Zealand, containing questions pertaining to the demographics of respondents, their experience with DCO, what the expected risks and benefits of DCO would be, and provided two high-stress exemplar clinical scenarios where respondents were asked to rate their expected stress level at baseline, with a more junior consultant present, and with a more senior consultant present.

We found 99% of respondents had been involved in DCO at some point in their careers, yet only 38% were involved in DCO on at least a monthly basis. Perceived benefits greatly outweighed potential risks: 95% felt DCO would decrease their stress, 91% felt it improved intraoperative decision making, and 89% felt it provided more enjoyment at work and enhanced collegiality. A decrease in perceived stress was seen from baseline with a more junior consultant available and a greater decrease in stress seen with a more senior consultant, particularly in a complex elective setting.

All respondents felt there is benefit in DCO and the vast majority feel it has positive effects on stress levels. In a time where burnout is more prevalent, using tools such as DCO could be an effective way to decrease stress, enhance enjoyment and collegiality — challenging some key contributors to burnout — and support mentorship with further skill acquisition. This research provides a good base to pursue further qualitative and quantitative research into the area, with a view to addressing barriers to provision of regular DCO.


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_2 | Pages 38 - 38
10 Feb 2023
Batinica B Bolam S Zhu M D'Arcy M Peterson R Young S Monk A Munro J
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Little information exists regarding optimal tibial stem usage in revision total knee arthroplasty (rTKA) utilising a tibial trabecular metal (TM) cone. The purpose of this study was to compare 1) functional outcomes, 2) radiographic outcomes, and 3) implant survivorship in rTKA utilising TM cones combined with either short stems (SS) or long stems (LS) at minimum two-years clinical follow-up.

In this retrospective, multi-centre study, patients undergoing TM cone utilising rTKA between 2008 and 2019 were included. Patients were divided into: SS group (no diaphyseal engagement), and LS group (diaphyseal engagement). All relevant clinical charts and post-operative radiographs were examined. Oxford Knee Score (OKS) and EuroQol-5D (EQ-5D-5L) data were collected at most recent follow-up.

In total, 44 patients were included: 18 in the SS group and 26 in the LS group. The mean time of follow-up was 4.0 years. Failure free survival was 94.5% for the SS group and 92.3% for the LS group. All failures were for prosthetic joint infections managed with debridement, antibiotics, and implant retention. At most recent follow-up, 3 patients demonstrated radiographic signs of lucency (1 SS 2 LS, p = 1) and the mean OKS were 37 ± 4 and 36 ± 6 (p = 0.73) in the SS and LS groups, respectively.

Tibial SS combined with TM cones performed as well as LS in rTKA at minimum two-years follow-up. A tibial SS in combination with a TM cone is a reliable technique to achieve stable and durable fixation in rTKA.