Unipolar or Bipolar Hemiarthroplasty for Femoral Neck Fractures in the Elderly?

@article{Raia2003UnipolarOB,
  title={Unipolar or Bipolar Hemiarthroplasty for Femoral Neck Fractures in the Elderly?},
  author={Frank J. Raia and Cary B. Chapman and Mauricio F Herrera and Michael W Schweppe and Christopher B. Michelsen and Melvin Paul Rosenwasser},
  journal={Clinical Orthopaedics and Related Research},
  year={2003},
  volume={1},
  pages={259-265}
}
This prospective randomized trial compared the efficacy of unipolar versus bipolar hemiarthroplasty in elderly patients (≥ 65 years) with displaced femoral neck fractures in terms of quality of life and functional outcomes. One hundred fifteen patients with a mean age of 82.1 years were enrolled in this study and randomized to either unipolar or bipolar hemiarthroplasty. Quality of life and functional outcomes were assessed using the Musculoskeletal Functional Assessment instrument and Short… 
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Unipolar hemiarthroplasty versus bipolar hemiarthroplasty in the most elderly patients with displaced femoral neck fractures: a randomised, controlled trial
TLDR
Unipolar HA and bipolar HA appeared to produce equivalent clinical outcomes after one year, but the significantly higher incidence of acetabular erosion in the unipolar HA group may imply that bipolar HA should be the preferred treatment.
Unipolar hemiarthroplasty versus bipolar hemiarthroplasty in patients with displaced femoral neck fractures. A four-year follow-up of a randomised controlled trial
TLDR
The bipolar HAs seem to result in better HRQoL beyond the first two years after surgery compared to unipolar HAs, and displayed a later onset of acetabular erosion compared to any other bipolar group.
Bipolar or unipolar hemiarthroplasty after femoral neck fracture in the geriatric population.
TLDR
Male patients, those aged ≥75 years, and those operated at ≥6 days had an increased risk of mortality, and expensive bipolar prostheses must be used selectively in regard to patient characteristics.
Unipolar versus bipolar hemiarthroplasty for displaced femoral neck fractures: A pooled analysis of 30,250 participants data.
Unipolar Versus Bipolar Hemiarthroplasty for Displaced Femoral Neck Fractures in Elderly Patients.
TLDR
A meta-analysis of randomized, controlled trials was performed to determine whether bipolar HA was associated with lower rates of dislocation, reoperation, acetabular erosion, mortality, and general complications, as well as lower Harris Hip Scores, compared with unipolar HA.
Randomised prospective comparative analysis of functional outcome of hemiarthroplasty with cemented bipolar and uncemented unipolar prosthesis
TLDR
There appears to be no statistical difference between the two groups, uncemented unipolar HA and cemented bipolar HA in terms of functional outcome and various complications discussed.
UNIPOLAR VERSUS BIPOLAR UNCEMENTED MODULAR HEMIARTHROPLASTY IN PATIENTS WITH DISPLACED FEMORAL NECK FRACTURES: A THREE YEAR FOLLOW-UP
TLDR
Both groups of patients were associated with comparative mean HHSs and there were no additional clinical or functional advantages for either prosthesis, and the complications were limited in both groups.
Midterm Results of Hip Bipolar Hemiarthroplsty in Elderly Patients with Traumatic Femoral Neck Fractures
TLDR
Bipolar hip arthroplasty for hip fractures has good functional outcome and as regards to possible suitable placement for each patient is more stable and is not associated with significant complications.
Uni- and bipolar hemiarthroplasty with a modern cemented femoral component provides elderly patients with displaced femoral neck fractures with equal functional outcome and survivorship at medium-term follow-up
TLDR
Both unipolar and bipolar hemiarthroplasty groups provide elderly patients with equal ambulatory ability and low revision rate at medium-term follow-up, however, both have a significantly higher dislocation rate.
Unipolar versus bipolar hemiarthroplasty for hip fractures in patients aged 90 years or older: A bi-centre study comparing 209 patients.
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