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Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_2 | Pages 119 - 119
10 Feb 2023
Lai S Zhang X Xue K Bubra P Baba M
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The second wave of COVID-19 infections in 2021 resulting from the delta strain had a significantly larger impact on the state of New South Wales, Australia and with it the government implemented harsher restrictions.

This retrospective cohort study aims to explore how the increased restrictions affected hand trauma presentations and their treatment. Retrospective analysis was performed on patients who underwent hand surgery from the period of June 23 – August 31 in 2020 and 2021 at a level one trauma centre in Western Sydney.

During the second-wave lockdown there was an 18.9% decrease in all hand trauma presentations. Despite widespread restrictions placed on the manufacturing, wholesale, retail and construction industries, there was an insignificant difference in work injuries.

Stay-at-home orders and reduced availability of professional tradespersons likely contributed to an increase in DIY injuries. Significant reductions in metacarpal and phalangeal fractures coincided with significantly curtailed sporting seasons. The findings from this study can assist in predicting the case-mix of hand trauma presentations and resource allocation in the setting of future waves of COVID-19 and other infectious diseases.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_15 | Pages 24 - 24
1 Mar 2013
Brinkman J Bubra P Walker P Walsh W Bruce W
Full Access

In order to emulate normal knee kinematics more closely and thereby potentially improve wear characteristics and implant longevity the Medial Pivot type knee replacement geometry was designed. In the current study the clinical and radiographic results of 50 consecutive knee replacements using a Medial Pivot type knee replacement are reported; results are compared to the Australian Orthopaedic Associations National Joint Replacement Registry. The patients' data were crossed checked against the registry to see if they had been revised elsewhere. After a mean follow-up of 9.96 years results show that the Medial Pivot Knee replacement provides good pain relief and functional improvement according to KSS and Womac scores and on subjective patient questionnaires. There was one minor revision; insertion of a patella button at 6.64 years FU. There were no major revisions; all implants appeared to be well fixed on standard radiographic examination. While the revision rate for the Medial Pivot knee according to the Australia Joint Registry results is higher compared to all other types of knee replacements in the registry, and to what is reported in the literature on the medial pivot knee, it is not in the current series. Revision rate was similar to what is reported on in the literature, but after a longer follow-up period. However, long term follow-up is required to draw definitive conclusions on the longevity of this type of implant.