Postoperative Rehabilitation After Knee Arthroplasty: Anti-Gravity Treadmill

September 20, 2022 updated by: Leena Ristolainen, Orton Orthopaedic Hospital

Postoperative Rehabilitation After Knee Arthroplasty, With or Without Anti-Gravity Treadmill

The aim of this study is to clarify the effectiveness and the usefulness of the anti-gravity treadmill in postoperative rehabilitation after knee arthroplasty. The investigators will compare anti-gravity treadmill rehabilitation and the traditional postoperative rehabilitation with instructions.

The investigators will assume that anti-gravity treadmill exercise after hospitalization will lead to the faster rehabilitation, better walking quality and balance management compared to traditional rehabilitation methods with instructions, where patient themselves do the exercises at home. Additionally, the investigators will assume that quality of life and physical activity will be more increased in the anti-gravity group than in the traditional rehabilitation.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

The aim of this study is to clarify the effectiveness and the usefulness of the anti-gravity treadmill in postoperative rehabilitation after knee arthroplasty. This issue is especially relevant because the number of knee arthroplasty patients is increasing. The rehabilitation of knee arthroplasty patients has also appeared to be more challenging than in the case of hip arthroplasty.

The investigators will compare anti-gravity treadmill rehabilitation and the traditional postoperative rehabilitation with instructions. The investigators will recruit the patients either in the anti-gravity group (n=27) or in the traditional rehabilitation (n=27) (randomized study design).

The investigators will assume that anti-gravity treadmill exercise after hospitalization will lead to the faster rehabilitation, better walking quality and balance management compared to the traditional rehabilitation.

Study Type

Interventional

Enrollment (Actual)

62

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Finland
      • Helsinki, Finland, 00280
        • Orton Ltd

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

  • ADULT
  • OLDER_ADULT
  • CHILD

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • primary knee arthroplasty patients with grade III-V changes

Exclusion Criteria:

  • earlier osteotomy to the operated knee
  • rheumatoid arthritis

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

  • Primary Purpose: TREATMENT
  • Allocation: RANDOMIZED
  • Interventional Model: PARALLEL
  • Masking: SINGLE

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
EXPERIMENTAL: Anti-Gravity Treadmill rehabilitation
Patients in the intervention group are participating to the Alter G exercises (n=27). The groups are randomized, so after patients have signed consent, an envelop will be opened and there can be seen in which groups patients will participate.
Other: Rehabilitation with or without Anti-Gravity Treadmill
The study will include patients with grade III-IV primary knee osteoarthritis. The investigators will take 27 patients to the both groups. The investigators will look after more specifically the anti-gravity treadmill rehabilitation and traditional rehabilitation after arthroplasty. Follow-up is one year. Functional tests will be made and questionnaires will be given to the patients before operation and after operation. After 6 to 8 weeks, 4 months and 12 months of operation questionnaires will be fil up again. After six month the investigators will send a questionnaire and there will be asked possible rehabilitation sessions, use of drugs and possible complications after knee arthroplasty.
ACTIVE_COMPARATOR: Traditional rehabilitation
Traditional exercises with instructions are given to the patients (n=27) (as a control group).
Other: Rehabilitation with or without Anti-Gravity Treadmill
The study will include patients with grade III-IV primary knee osteoarthritis. The investigators will take 27 patients to the both groups. The investigators will look after more specifically the anti-gravity treadmill rehabilitation and traditional rehabilitation after arthroplasty. Follow-up is one year. Functional tests will be made and questionnaires will be given to the patients before operation and after operation. After 6 to 8 weeks, 4 months and 12 months of operation questionnaires will be fil up again. After six month the investigators will send a questionnaire and there will be asked possible rehabilitation sessions, use of drugs and possible complications after knee arthroplasty.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Walking ability
Time Frame: 12 months after operation
6 minutes walking test will be used
12 months after operation
Health-related quality of life
Time Frame: 12 months
The RAND Health-Related Quality of Life Inventory, RAND 36-Item, will be used, RAND-36 includes: Physical functioning,10 questions; Role functioning/physical, 4 questions; Role functioning/emotional, 3 questions; Energy/fatique, 4 questions, Emotional well-being, 5 questions; Social functioning, 2 questions; Pain, 2 questions; General health, 5 questions; Health change, 1 question. All: 36 questions. Scale: 0 - 100
12 months
Perceived pain
Time Frame: 12 months after operation
Visual analogue scale, (0 to 100, where 0 means no pain at all and 100 means the worst possible pain)
12 months after operation

Collaborators and Investigators

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

Sponsor

Orton Orthopaedic Hospital

Investigators

  • Study Director: Heikki Hurri, Orton Ltd

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, 2019

Primary Completion (ACTUAL)

July 31, 2022

Study Completion (ACTUAL)

July 31, 2022

Study Registration Dates

First Submitted

April 1, 2019

First Submitted That Met QC Criteria

April 3, 2019

First Posted (ACTUAL)

April 4, 2019

Study Record Updates

Last Update Posted (ACTUAL)

September 22, 2022

Last Update Submitted That Met QC Criteria

September 20, 2022

Last Verified

September 1, 2022

More Information

Terms related to this study

Keywords

Other Study ID Numbers

  • OrtonOH

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

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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