Unrestricted Rehabilitation Pathway Following Total Hip Replacement — ReHip2  

Total Hip Replacement Clinical Trial

Official title: A Randomised Controlled Trial of the Impact on Function of an Unrestricted Rehabilitation Pathway of no Precautions Following Total Hip Replacement

Status Terminated

Clinical Trial Summary

The purpose of ReHip2 is to explore the impact on function and quality of life in patients following Total Hip Replacement (THR). A randomised controlled trial will compare two different rehabilitation pathways following surgery (Routine care with precautions and Treatment group with no precautions). The proposal is to carry out the RCT with a minimum of 182 patients based in the UK.

Clinical Trial Description

Dislocation of the hip following total hip replacement (THR) is the sole reason for the endorsement of precautions following THR. This has remained unchanged sine the first hip replacement in 1969.

The precautions are;

• Patients must not bend past 90 degrees at the hip (including sitting)

• Patients must not twist in either standing or sitting

• Patients must partial weight bear with elbow crutches for a minimum of 6 weeks

• Patients must sleep on their back for a minimum of 6 weeks

• Patients must not cross their legs

Studies exploring factors affecting dislocation following THR identified three main influences: surgical technique, type of prosthesis and post-operative precautions. A number of studies have challenged the continued use of precautions or explored their impact on dislocation. However, these studies did not fully consider the impact of all precautions on dislocation, choosing to only select elements of the precautions for investigation. A recent review concluded the evidence evaluating practice and the impact of precautions was of poor quality. The review suggested further research should take into account different surgical approaches, different femoral head sizes and the type of prosthesis. Although there are studies that explored some of these hip dislocation confounders, the true impact of precautions remains unknown.

Whilst precautions continue to be endorsed by surgeons and other clinicians, previous challenges have raised awareness of the possible excessiveness of precautions and the importance of further robust work recommended. This is particularly so in the wake of developments in surgical technique and prostheses design, such as hip joint capsule repair and larger femoral head sizes (larger hip replacements). These developments and their impact on dislocation are beginning to cast doubt on the impact of post-operative precautions and their direct link to incidence of dislocation, which is their primary purpose.

The imposition of precautions has been evidenced to impact on both function and quality of life, with resultant non adherence in a proportion of patients. This study intends to explore whether an unrestricted pathway has no worse outcome in function, pain and quality of life parameters, in two specialist units in a multi-centre, prospective, randomised, non-inferiority study. ;

Related Conditions & MeSH terms

• Total Hip Replacement

• NCT number: NCT03833258
• Study type: Interventional
• Source: University of Manchester
• Status: Terminated
• Phase: N/A
• Start date: August 22, 2019
• Completion date: April 30, 2021