Unilateral vs Bilateral Total Hip Arthroplasty

March 16, 2018 updated by: Norwegian University of Science and Technology

Unilateral vs Bilateral Total Hip Arthroplasty - the Influence of Medial Femoral Head Offset and Effects on Strength and Aerobic Endurance Capacity

The purpose of the present study was to determine whether unilaterally operated total hip arthroplasty (THA) patients were superior to bilaterally operated THA patients with respect to aerobic endurance capacity, muscle strength and gait patterns 3-5 years after surgery, and to what extent medial femoral head offset (FO) influenced hip abductor strength.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Observational

Enrollment (Actual)

40

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

40 years to 70 years (Adult, Older Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Subjects selected from orthopaedic out-patient department

Description

Inclusion Criteria:

  • Undergone hip surgery 3-5 years ago
  • Age < 70 years

Exclusion Criteria:

  • Heart or lung diseases
  • Malign diseases
  • No muscle/skeletal diseases that compromises testing

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
unilateral normal
total hip arthroplasty one side, normal offset of medial femoral head
Procedure: total hip arthroplasty one side
unilateral total hip arthroplasty
bilateral normal
total hip arthroplasty both sides, normal offset of medial femoral head
Procedure: total hip arthroplasty both sides
bilateral total hip arthroplasty
bilateral abnormal offset
total hip arthroplasty both sides, abnormal offset of medial femoral head
Procedure: total hip arthroplasty both sides
bilateral total hip arthroplasty
controls
Healthy, age-matched control group

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Norwegian University of Science and Technology

Collaborators

OrtoMedic A/S, Oslo
Scandinavian Customized Prosthesis (SCP)

Investigators

  • Study Director: Jan Hoff, PhD prof, Norwegian University of Science and Technology

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

January 1, 2007

Primary Completion (Actual)

July 1, 2009

Study Completion (Actual)

July 1, 2009

Study Registration Dates

First Submitted

October 1, 2008

First Submitted That Met QC Criteria

October 1, 2008

First Posted (Estimate)

October 2, 2008

Study Record Updates

Last Update Posted (Actual)

March 20, 2018

Last Update Submitted That Met QC Criteria

March 16, 2018

Last Verified

March 1, 2018

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 4.2005.1527b

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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