Postoperative Hip Precautions After Total Hip Arthroplasty Via the Posterior Approach: A Prospective Randomized Trial

  • End date
    Jan 27, 2025
  • participants needed
  • sponsor
    Rush University Medical Center
Updated on 23 February 2022
hip arthroplasty
hip replacement
joint reconstruction


The purpose of this study is to determine if hip precautions, which are instructions that limit functional use of a hip replacement after surgery, affect the rate of dislocation in the first six weeks after primary total hip replacement surgery. The impact of hip precautions on a patient's return to activities of daily living and overall patient satisfaction will also be investigated. The overall cost effectiveness of hip precautions will be determined.


This study examines the necessity of postoperative hip precautions in patients after primary total hip arthroplasty via the posterior approach. Precautions are instructions that limit the functional use of the hip and are given for the first six weeks after surgery, with the goal of preventing an instability event resulting in dislocation. The hip precautions that will be investigated in this study are: no hip flexion past 90, no crossing the legs, and no twisting at the waist.

Condition Osteoarthritis, Degenerative Joint Disease
Treatment Hip Precautions, No Hip Precautions
Clinical Study IdentifierNCT02686528
SponsorRush University Medical Center
Last Modified on23 February 2022


Yes No Not Sure

Inclusion Criteria

Patients undergoing a primary total hip arthroplasty via the posterior approach by participating attending surgeons at this institution
Index diagnosis of noninflammatory arthritis
Patients must be able to understand and comply with study procedures

Exclusion Criteria

Allergy or intolerance to the study materials
History of previous surgeries on the affected joint other than arthroscopy; i.e. revision THA or open surgeries
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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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