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Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_11 | Pages 34 - 34
7 Jun 2023
Board T Powell R Davies A Coffey T Wylde V Taylor T Hickey H Gornall M Jackson R Dalal G Eden M Wilson M Divecha H
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Studies have shown that 10–30% patients do not achieve optimal function outcomes after total hip replacement (THR). High quality randomised controlled trials (RCTs) evaluating the clinical and cost-effectiveness of techniques to improve functional outcomes after THR are lacking. We performed this study to evaluate the feasibility of a RCT comparing patient-reported functional outcomes after hybrid or fully cemented THR (ISRCTN11097021).

Patients were recruited from two centres and randomised to receive either a fully cemented or hybrid THR. Data collection included Patient Reported Outcome Measures (PROMs), non-serious adverse events of special interest (AESI), serious adverse device effects (SADE) and NHS resource use. Qualitative interviews were undertaken to understand a) patient experiences of study processes and their reasons for taking part or not, and b) to understand surgeons’ perceptions of the study, factors affecting willingness to participate, and barriers to implementation of the future RCT findings.

The target of 40 patients were successfully recruited for the feasibility RCT; the ratio of successful recruitment to eligible patients was 0.61 across both sites. Treatment crossovers occurred in four patients, all related to bone quality. Four patients were withdrawn due to not undergoing surgery within the study window because of the pandemic. Follow-up was 100% and PROMs were completed by all patients at all time points. The feasibility of conducting a within-trial cost-utility analysis was demonstrated. Interviews were conducted with 27 patients and 16 surgeons. Patients and surgeons generally found the study procedures acceptable and workable. Some declined participation because they did not want treatment allocated at random, or because blinding was off-putting. Surgeons’ perceptions of equipoise varied, and implementation of findings from the future RCT would need to recognise the ‘craft’ nature of surgery and the issue of training.

We conclude that a full RCT with economic analysis will be both feasible and practicable, although mechanisms to safely implement potential changes to practice because of RCT findings may need consideration by the wider arthroplasty community.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_12 | Pages 1 - 1
1 Jun 2017
Smeatham A Powell R Moore S Chauhan R Wilson M
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Research into the treatment of Femoro-Acetabular Impingement (FAI) has focussed on surgical correction of structural abnormalities and tended to overlook the dynamic process of impingement. The role of Physiotherapy in addressing abnormal hip movement and any resulting effect on the symptoms of FAI remains untested. A pilot study was therefore instigated to evaluate the effect of physiotherapy on pain and function in patients with FAI.

30 adults aged between 18 and 50 years with a diagnosis of symptomatic FAI were recruited. 23 (77%) completed the study.

Intervention was 3 months of specialist physiotherapy focused on improving pelvic and proximal femoral control. The control group received routine care.

All functional outcomes improved in the Physiotherapy group and this included improvement beyond minimal clinically important difference and measurement error on the Hip Outcome Score.

There was marginal improvement in pain in both groups

Results suggest that physiotherapy treatment can improve function in adults with symptomatic FAI. Larger studies are needed to evaluate the role of conservative management in FAI.