Unrestricted Rehabilitation Pathway Following Total Hip Replacement

NCT ID: NCT03833258

Last Updated: 2022-11-18

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

NA

Total Enrollment

95 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-08-22

Study Completion Date

2021-04-30

Brief Summary

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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.

Detailed Description

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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.

Conditions

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Total Hip Replacement

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Rehabilitation with precautions

Patients in this arm will continue with rehabilitation following routine care recommendations after total hip replacement; therefore following precautions.

Group Type NO_INTERVENTION

No interventions assigned to this group

Rehabilitation with no precautions

Patients in this arm will continue with rehabilitation after total hip replacement without precautions, being permitted to move within limits of their own pain only.

Group Type EXPERIMENTAL

Rehabilitation with no precautions

Intervention Type BEHAVIORAL

Patients will recover from total hip replacement surgery being guided by pain only and not by the precautions imposed upon them by clinicians.

Interventions

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Rehabilitation with no precautions

Patients will recover from total hip replacement surgery being guided by pain only and not by the precautions imposed upon them by clinicians.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Adult participants over the age of 18 years will be included.
* All participants should be proceeding with routine care unilateral (one side only) primary THR for treatment of osteoarthritis
* The patients operating consultant agreed to involvement of their patients in the study.
* All subjects assessed during routine pre-operative assessment in their respective hospital will have been assigned an American Society of Anesthesiologists (ASA) up to grade 3 out of a total of 6 (defined as 'severe systemic disease that limits activity but is not incapacitating').
* Patients who have undergone previous hip injection for treatment of osteoarthritic symptoms.
* All surgical approaches (anterior, lateral and posterior), cemented and un-cemented prostheses and all size femoral head size.

Exclusion Criteria

* The operating consultant declined participation in the study.
* The participant previously had hip surgery to the same hip, including arthroscopy, revision hip surgery or treatment for Avascular Necrosis.
* ASA grade 4 or above 'A patient with severe systemic disease that is a constant threat to life.'
* Patients with specifically identified increased risk of dislocation (for example neuromuscular disease, hypermobility)
* Complex primary hip replacement (THR with femoral osteotomy or structural bone grafting / augmentation of acetabulum)
* Patients unable to complete the postal outcome measures.
* Any patient with pre-operative cognitive impairment (Dementia or Learning disabilities).
* Patients undergoing THR for treatment of fractured neck of femur.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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University of Manchester

OTHER

Sponsor Role lead

Responsible Party

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Justine Theaker

Principal Investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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JACQUELINE OLDHAM

Role: STUDY_CHAIR

University of Manchester

Locations

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Manchester University NHS Foundation Trust

Manchester, , United Kingdom

Site Status

Wrightington Wigan and Leigh NHS Foundation Trust

Wigan, , United Kingdom

Site Status

Countries

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United Kingdom

References

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Reference Type BACKGROUND
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Peak EL, Parvizi J, Ciminiello M, Purtill JJ, Sharkey PF, Hozack WJ, Rothman RH. The role of patient restrictions in reducing the prevalence of early dislocation following total hip arthroplasty. A randomized, prospective study. J Bone Joint Surg Am. 2005 Feb;87(2):247-53. doi: 10.2106/JBJS.C.01513.

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Gromov K, Troelsen A, Otte KS, Orsnes T, Ladelund S, Husted H. Removal of restrictions following primary THA with posterolateral approach does not increase the risk of early dislocation--reply. Acta Orthop. 2015;86(4):518-9. No abstract available.

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Other Identifiers

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NHS001514

Identifier Type: -

Identifier Source: org_study_id

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