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Periacetabular Osteotomy With and Without Arthroscopic Management of Central Compartment Pathology

Periacetabular Osteotomy With and Without Arthroscopic Management of Central Compartment Pathology: A Multicenter Randomized Controlled Trial

Who can join

Ages 16 to 50 · All sexes

Inclusion Criteria:

* Skeletally mature patient undergoing Bernese periacetabular osteotomy for symptomatic acetabular dysplasia/hip instability
* Pre-Operative MRI at 3T and/or gadolinium MR arthrogram
* Age, 16-50 years old
* Patient capable of giving informed consent

Exclusion Criteria:

* Prior hip/pelvis surgery of any kind on the surgical side
* Prior hip arthroplasty surgery on either side
* Radiographic evidence of arthritis (i.e. Tönnis grade =2)
* Known connective tissue disorder (e.g. Ehlers-Danlos Syndrome, etc.)
* Known neuromuscular disorder (e.g. Cerebral Palsy, Spina bifida, etc.)
* Known skeletal dysplasia (e.g. Achondroplasia, Multiple Epiphyseal Dysplasia, etc.)
* Cognitive impairment that prevents accurate completion of patient-reported outcome questionnaires.
* Patient unable/unwilling to complete all required follow-up visits
* Concurrent proximal femoral osteotomy and/or surgical hip dislocation

About the study

At present, it is not clear whether performing a hip arthroscopy at the same time as a PAO improves patient outcomes after surgery compared to a PAO alone.

This research project will randomize patients to receive either a PAO alone, or a PAO and a hip arthroscopy at the same time.

What is being tested

• PAO with hip arthroscopy (procedure)
• PAO without hip arthroscopy (procedure)

Sponsor: Ottawa Hospital Research Institute · Participants: 204 · Started: Apr 4, 2018

Contact the study team

• Geoffrey Wilkin, MD · Phone: 613-798-5555
• Cheryl Kreviazuk · Phone: 613-737-8920

Official record on ClinicalTrials.gov — NCT03481010

Locations in the U.S.

Conditions

• Hip Injuries and Disorders

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.