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Radiological Riskfactors for Dislocation of Hip Hemiarthroplasty — RRDHHR  

Femoral Neck Fracture Clinical Trial

Official title:
Radiological Riskfactors for Dislocation of Hip Hemiarthroplasty Through a Posterolateral Approach as Treatment for Femoral Neck Fracture

Clinical Trial Summary

Between January 1 2006 and December 31 2013, at our department 324 patients underwent hemiarthroplasty (HA) for displaced femoral-neck fracture with a bipolar prosthesis (Variokopf, Link®, Germany) by the use of the posteriolateral approach. Patients with pathological fractures and HA performed with direct lateral approach were excluded. A retrospective cohort study were conducted. Patients with prosthetic dislocation formed one group and patients without dislocation formed the control group.

As standard, post surgery radiographs (anteroposterior and lateral) were taken. After these were performed patient started weight bearing as soon as possible. Clinical data regarding patient demographics, details of the surgical procedure and the medical comorbidities were collected by the use of patient and operative records. Radiological analysis with position evaluation was performed using the post surgery radiographs by measuring Wiberg angle, inequality of leg length and femoral offset of the prostheses and compared with non-operated hip joint using the post surgery x-ray images.

Our hypothesis were that patients with single- or recurrent dislocations had shortened postoperative leg length, decreased femoral offsed and a Wiberg angle less than 25 degrees.

Clinical Trial Description

n/a

Study Design

Observational Model: Cohort, Time Perspective: Retrospective

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02131987
Study type Observational
Source Sundsvall Hospital
Contact
Status Completed
Phase N/A
Start date January 2006
Completion date December 2013
View Details
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