Three-dimensional cup orientation and pelvic tilt dynamics in primary total hip arthroplasty: a matched case-control study of unstable and stable hips.

• Conditions: dislocated total hip arthroplasty; 10023213

• Registration Number: NL-OMON46678
• Lead Sponsor: Diakonessenhuis Utrecht

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Last Update Posted: 15 April 2024

Recruitment & Eligibility

• Status: Pending
• Sex: Not specified
• Target Recruitment: 50

Inclusion Criteria

- >65yrs
- Subjects presenting or presented with an dislocation of a THA at the emergency department and will or were treated by closed reduction
- Primary THA with known surgical approach and implants for treatment of hip osteoarthritis
- Sufficient cognitive and language (Dutch) skills
- Signed informed consent prior to inclusion.
- Control patients between 1-5 year after primary THA without instability.

Exclusion Criteria

- previous contralateral THA
- indications for the THA other than primary coxarthrosis
- revision THA, unknown approach or unknown implants
- subjects with a neurologic disability (cognitive, psychiatric or mental disease)
- insufficient language skills
- not providing written informed consent

Study & Design

• Study Type: Observational invasive
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>The difference in 3-D acetabular cup orientation and pelvic tilt between<br /><br>patients with a stable or unstable total hip arthroplasty.</p><br>

Secondary Outcome Measures

Name	Time	Method
<p>Does not apply.</p><br>