Stress Analysis of Hip Dysplasia

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

COMPLETED

Total Enrollment

12 participants

Study Classification

OBSERVATIONAL

Study Start Date

2011-02-28

Study Completion Date

2019-08-31

Brief Summary

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The main objective of this study is to predict cartilage contact pressures in the hip after periacetabular osteotomy (PAO).

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Detailed Description

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PAO was designed as a joint preserving surgical procedure to compensate for a shallow acetabulum by re-orienting the acetabulum into a position that provides better coverage of the femoral head. Although the overall theory that increasing load bearing area (improving coverage of the femoral head) results in reduced joint stress is intuitive, the complex bony surface may not behave in this manner. It is possible that joint stress may increase when the acetabulum is reoriented into a position that increases load bearing area if post-operative joint congruency is worse than pre-operative.

Conditions

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Hip Dysplasia

Study Design

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Observational Model Type

OTHER

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Patients aged 18-40 years
* Patients who have undergone periacetabular osteotomy by Dr. Peters for treatment of hip dysplasia.
* Patients who have previously participated in IRB #10983 "Comparative Stress Analysis of Hip Dysplasia".

Exclusion Criteria

* Persons with a history of allergies to lidocaine or seafood.
* Children under the age of 18.
* Persons incarcerated, on trial, or parole.
* Women who are pregnant.
* Subjects who do not have high quality pre-operative images available or have not been surgically treated by periacetabular osteotomy.

Minimum Eligible Age

18 Years

Maximum Eligible Age

40 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No