Preoperative Gluteal Muscle Atrophy: A Silent Predictor of THA Dislocation.

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

72 participants

Study Classification

OBSERVATIONAL

Study Start Date

2020-01-01

Study Completion Date

2023-05-01

Brief Summary

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This study looks at how fat buildup in hip muscles relates to hip osteoarthritis and less favorable recovery after hip replacement surgery. While it is known that weak gluteal muscles might cause problems, it is not yet proven if this specifically leads to hip dislocation after surgery. The goal of this study is to compare fat buildup in gluteal muscles between patients who had a hip dislocation soon after surgery and those who did not.

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Detailed Description

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Conditions

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Dislocation Total Hip Arthroplasty Muscle Degeneration

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

RETROSPECTIVE

Study Groups

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Dislocation group

Patients who underwent primary total hip arthroplasty with preoperative CT-scan and encountered an episode of dislocation.

Dislocation

Intervention Type DIAGNOSTIC_TEST

One episode of total hip dislocation diagnozied on Xray within 2 years of surgery

Control group

Patients underwent primary total hip arthroplasty with preoperative CT-scan, who did not experience any episodes of dislocation within two years post-surgery, adhering to the previously outlined exclusion criteria (group control).

No dislocation

Intervention Type DIAGNOSTIC_TEST

No experience of dislocation within two years post-surgery

Interventions

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Dislocation

One episode of total hip dislocation diagnozied on Xray within 2 years of surgery

Intervention Type DIAGNOSTIC_TEST

No dislocation

No experience of dislocation within two years post-surgery

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

* primary THA with preoperative CT-scan

Exclusion Criteria

* malposition of acetabular implants outside the Lewinneck safe zone,
* neurological or cognitive disorders,
* associated spinal pathologies (within the context of a hip-spine syndrome),
* chronic alcoholism,
* aseptic osteonecrosis,
* revision surgeries,
* late dislocations attributed to polyethylene wear,
* replacement following post-traumatic coxarthrosis due to acetabulum injuries.
* diameters of the prosthetic heads ≠ 32mm

Eligible Sex

ALL

Accepts Healthy Volunteers

No