Movement Pattern in Patients With 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

55 participants

Study Classification

OBSERVATIONAL

Study Start Date

2011-03-31

Study Completion Date

2013-03-31

Brief Summary

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The purpose of this study is to examine the movement pattern in patients with hip dysplasia preoperative, six and 12 month after minimally invasive approach for Periacetabular osteotomy (PAO). Secondary to examine the movement pattern in patients compared to healthy controls and historical data.

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Detailed Description

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Congenital hip dysplasia is a disease characterised by pathological changes in the hip joint. Hip dysplasia is a normal disease with a prevalence of 4.3% in men and 3.6 in woman. Untreated hip dysplasia is a known cause of developing osteoarthritis early in life and symptoms as pain, hip instability together with a changed gait pattern are normal. Symptomatic hip dysplasia is seen in patients between 15 and 55 years and can be unilateral as well as bilateral. Causes of hip dysplasia are described as genetic, mechanic or hormonal.

Today patients with hip dysplasia are offered a hip conserving surgery before the osteoarthritis has developed. In 2003 a minimally invasive approach for periacetabular osteotomy (PAO) was introduced at Aarhus University Hospital. An advantage of minimally invasive approach compared to the classical Bernese periacetabular osteotomy is minimal impact of the soft tissues in the hip region.

Hip pain and activity limitations highly affect quality of life and physical function. The gait distance is reduced and patients have to compensate to relieve the pressure on the hip joint. Knowledge about the dynamics of the gait and running pattern in patients with dysplasia is important to understand the consequences of the dysplastic hip joint. Furthermore knowledge about gait compensations is relevant for the clinicians in the management and treatment of patients with hip dysplasia.

Today, gait and running compensation is unknown after minimally invasive approach The purpose of this study is, therefore, to examine the movement pattern in patients with hip dysplasia preoperative, six and 12 month after minimally invasive approach for Peri-acetabular osteotomy (PAO). Secondary to examine the movement pattern in patients compared to healthy controls and historical data.

Conditions

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Hip Dysplasia

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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hip dysplasia

Patients with hip dysplasia

Minimally invasive approach for Periacetabular osteotomy

Intervention Type PROCEDURE

A peri-acetabular osteotomy is a surgery performed to correct the dysplastic acetabulum and reduce joint contact pressures and early osteoarthritis.

Healthy people

Enrolled from the patients acquaintance circle

No interventions assigned to this group

Interventions

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Minimally invasive approach for Periacetabular osteotomy

A peri-acetabular osteotomy is a surgery performed to correct the dysplastic acetabulum and reduce joint contact pressures and early osteoarthritis.

Intervention Type PROCEDURE

Other Intervention Names

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PAO (periacetabular osteotomy)

Eligibility Criteria

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Inclusion Criteria

* Patients diagnosed with hip dysplasia
* Patients in the age of 18-60 years
* Patients, who can speak, understand and read Danish

Exclusion Criteria

* Persons with hip dysplasia secondary to other hip conditions such as Calvé Perthes and epiphysiolysis.
* Persons who have had alloplastic surgery in the hip, knee or ankle.
* Persons with diseases that affect the gait pattern.
* Persons with serious hip, knee, ankle or back pain.

Minimum Eligible Age

18 Years

Maximum Eligible Age

60 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes