Mobility Assessment of Patients With Total Hip Arthroplasty

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

ACTIVE_NOT_RECRUITING

Clinical Phase

NA

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2007-11-30

Study Completion Date

2024-04-28

Brief Summary

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The purpose of this study is to describe the 3D joint biomechanics of the lower extremities of patients having had a total hip replacement or hip resurfacing surgery as compared to a healthy age and weight matched control group during level walking, stair ascent and descent, and entering and exiting the front seat of a car.

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Detailed Description

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Much research has shown that patients are generally satisfied with pain relief in the months and years following a total hip replacement (THR) or hip resurfacing procedure. However, many express dissatisfaction with their ability to perform daily activities, a reduced walking ability and long-term lower extremity muscle weakness. Given the general lack of knowledge surrounding joint motion of the lower extremities in the THR population, there is a need to characterize the joint mechanics of people having undergone THR, so that interventions and rehabilitation strategies can be designed to reduce post-operative complications and improve mobility.

Conditions

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Osteoarthritis Arthroplasty Hip Replacement

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Comparative study with a control group

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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Lateral approach

Lateral approach Intervention: Motion Analysis. Standard AP/Lateral x-rays of the hips, functional assessment questionnaires and 3D joint mechanic assessment at the Biomechanics Laboratory

Group Type ACTIVE_COMPARATOR

Motion analysis

Intervention Type PROCEDURE

Motion analysis will be administered to each of the three groups: Lateral approach, anterior approach and posterior approach

Anterior approach

Anterior approach Intervention: Motion Analysis. Standard AP/Lateral x-rays of the hips, functional assessment questionnaires and 3D joint mechanic assessment at the Biomechanics Laboratory

Group Type ACTIVE_COMPARATOR

Motion analysis

Intervention Type PROCEDURE

Motion analysis will be administered to each of the three groups: Lateral approach, anterior approach and posterior approach

Posterior approach

Posterior approach Intervention: Motion Analysis. Standard AP/Lateral x-rays of the hips, functional assessment questionnaires and 3D joint mechanic assessment at the Biomechanics Laboratory

Group Type ACTIVE_COMPARATOR

Motion analysis

Intervention Type PROCEDURE

Motion analysis will be administered to each of the three groups: Lateral approach, anterior approach and posterior approach

Interventions

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Motion analysis

Motion analysis will be administered to each of the three groups: Lateral approach, anterior approach and posterior approach

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* 15 patients between the ages of 50 and 75 yrs having undergone a primary total hip replacement or hip resurfacing within 6 to 18 months of the study will participate, as well as an equal number of age, sex, height and weight matched healthy control participants.

Exclusion Criteria

* Potential participants for the control group will be asked if they have had previous lower limb ailments or surgery, and if they have they will be excluded. Moreover, the THR participants cannot have had secondary hip replacement due to infection, revision surgery, or a concomitant surgical procedure (i.e., graft). Participants from both groups cannot have had any medical conditions which could affect physical movement such as a stroke.

Minimum Eligible Age

50 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes