Effectiveness of Reduced Frequency Physical Therapy in Total Knee Arthroplasty



Status:Enrolling by invitation
Conditions:Arthritis, Arthritis, Osteoarthritis (OA), Orthopedic
Therapuetic Areas:Rheumatology, Orthopedics / Podiatry
Healthy:No
Age Range:Any - 65
Updated:2/1/2019
Start Date:October 1, 2017
End Date:October 2019

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Effectiveness of Reduced Frequency Physical Therapy Supplemented With In-home Exercise Equipment Compared to Standard Care Physical Therapy in Total Knee Arthroplasty

Rehabilitation after Total Knee Arthroplasty surgery involves physical therapy services to
address limitations in range of motion, strength, and participation in normal daily
activities. This investigation will compare the outcomes from standard physical therapy
intervention in comparison to reduced frequency physical therapy sessions supplemented with
in-home exercise equipment.

Total knee arthroplasty (TKA) is a common surgical procedure for individuals experiencing
pain and reduced physical abilities related to knee pain, most commonly osteoarthritis.
Common physical impairments associated with post-operative TKA rehabilitation include:
reduced knee range of motion (ROM), reduced strength, reduced participation in activities of
daily living, and pain. TKA surgery is routinely paired with physical therapy (PT)
interventions post-operatively in order to facilitate recovery for patients electing to
undergo this intervention. The Total Range Exerciser (T-REX) is a medical device aimed at
reducing the need for post-operative physical therapy services while promoting outcomes.

A successful outcome after total knee arthroplasty requires symptom relief and restoration of
physical function. Measurement of pain and function can be achieved through patient-reported
outcomes measures and objective functional testing. The Knee Injury and Osteoarthritis
Outcome Score (KOOS) is a patient-reported outcomes measure intended to capture the
individual patient's perception of progress throughout the rehabilitative process. Objective
measurements of physical function are necessary to quantify the magnitude of physical
impairment associated with the patient's perceived status. Physical function can be measured
through standardized assessment of knee ROM, strength, and ambulation. The purpose of this
study is to evaluate the effectiveness of standard physical therapy compared to reduced
frequency physical therapy supplemented with the (T-REX) after in total knee arthroplasty in
subjective and objective measurements of physical function.

Inclusion Criteria:

- Individual is to undergo TKA by a licensed physician at Participating hospital group

- Participating primary health insurance provider

- Patient is < 64.5 years of age

- Willingness to participate in study protocol

Exclusion Criteria:

- Previous or current history of cancer

- High risk for cardiovascular disease as determined by the American College of Sports
Medicine

- Individuals with documented mental, psychiatric, or emotional disabilities

- Inability to read and write in English
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Durham, North Carolina 27704
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