Gait Analyses After Resurfacing Hip Arthroplasty Versus Metal on Metal Total Hip Arthroplasty, an Exploratory Study

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

COMPLETED

Clinical Phase

NA

Total Enrollment

34 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-12-31

Study Completion Date

2015-12-31

Brief Summary

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Total hip replacement surgery is a very successful operation with good long-term results. Hip resurfacing arthroplasty is offered as a treatment option for young and active patients with osteoarthritis of the hip. It has been proposed as a treatment option for younger patients because of claims that it preserves femoral bone stock and has better functional outcomes. The assessment of gait after hip replacement surgery may be able to determine functional differences between patients who have undergone total hip replacement / arthroplasty (THA) versus hip resurfacing.

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Detailed Description

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A group of 58 patients, part of a ungoing randomized trial comparing resurfacing hip arthroplasty to metal-on-metal total hip arthroplasty, will be invited to a single gait analysis on a trendmill. All patients have reached a follow up of five years. Patient 's gait will be assessed during two walking sessions, in both sessions spatio-temporal, kinetic and kinematic parameters will be recorded.

* At first when flat walking with increasing speeds to their top walking speed.
* Secondly: when walking at a fixed speed with an increasing incline to their top walking incline.

Conditions

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Difficulty Walking Gait, Stumbling

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

SINGLE

Investigators

Study Groups

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Total Hip Arthroplasty

Gait analysis on a trendmill of patients with a well functioning total hip arthroplasty on a trendmill

Group Type ACTIVE_COMPARATOR

Gait analysis on a trendmill

Intervention Type OTHER

Gait analysis on a trendmill "GRAIL" to analyse spatio-temporal kinetics and kinematics when flat walking and inclining

Resurfacing Hip Arthroplasty

Gait analysis on a trendmill of patients with a well functioning resurfacing hip arthroplasty on a trendmill

Group Type ACTIVE_COMPARATOR

Gait analysis on a trendmill

Intervention Type OTHER

Gait analysis on a trendmill "GRAIL" to analyse spatio-temporal kinetics and kinematics when flat walking and inclining

Interventions

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Gait analysis on a trendmill

Gait analysis on a trendmill "GRAIL" to analyse spatio-temporal kinetics and kinematics when flat walking and inclining

Intervention Type OTHER

Other Intervention Names

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Gait realtime analysis interactive lab: MOTEK Medical

Eligibility Criteria

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Inclusion Criteria

* Patient part of randomised controlled trial (RCT) of hip resurfacing versus MoM total hip arthroplasty for symptomatic osteoarthritis of the hip
* Patient must be able to consent to the study (written informed consent)
* Patients who are functioning well post-operatively and not under routine follow up
* Patients who are able to walk without any safety rail assistance on the treadmill

Exclusion Criteria

* Patient not originally randomised during an RCT of hip resurfacing versus MoM total hip arthroplasty
* Patients who suffer from any neurological or musculoskeletal conditions that might make a gait test dangerous.
* Patients whose cognitive function prevents them from understanding the study
* Patients who have had or are awaiting revision surgery for their hip

Minimum Eligible Age

40 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes