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Related Experiment Video

Updated: May 10, 2026

Individualized Stem-positioning in Calcar-guided Short-stem Total Hip Arthroplasty
09:31

Individualized Stem-positioning in Calcar-guided Short-stem Total Hip Arthroplasty

Published on: February 27, 2018

Cementless bipolar hemiarthroplasty using a rectangular cross-section stem for unstable intertrochanteric fractures.

Myung-Sik Park1, Hong-Man Cho, Ju-Han Kim

  • 1Chonbuk National University Hospital, Jeonju, Jeollabuk-do, Korea.

Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
|June 14, 2013
PubMed
Summary

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Elderly patients with unstable intertrochanteric fractures showed good functional recovery after bipolar hemiarthroplasty. Most regained daily living and community-level walking abilities within two years post-surgery.

Area of Science:

  • Orthopedic Surgery
  • Geriatric Medicine
  • Biomedical Engineering

Background:

  • Unstable intertrochanteric fractures are common in elderly patients, often leading to significant disability.
  • Bipolar hemiarthroplasty is a surgical option for these fractures, but outcomes require evaluation.

Purpose of the Study:

  • To evaluate the clinical and radiographic outcomes of elderly patients with unstable intertrochanteric fractures treated with uncemented bipolar hemiarthroplasty.

Main Methods:

  • A prospective study involving 37 elderly patients (mean age 73.5 years) with unstable intertrochanteric fractures.
  • Treatment involved uncemented bipolar hemiarthroplasty using a double-tapered, rectangular cross-section stem.
  • Patients were followed for a minimum of two years for clinical and functional assessments.

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Last Updated: May 10, 2026

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09:31

Individualized Stem-positioning in Calcar-guided Short-stem Total Hip Arthroplasty

Published on: February 27, 2018

Treatment with Locking Intramedullary Nailing for Intertrochanteric Fracture of the Femur Utilizing a New Awl with a Distal Positioner
04:41

Treatment with Locking Intramedullary Nailing for Intertrochanteric Fracture of the Femur Utilizing a New Awl with a Distal Positioner

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Main Results:

  • At two-year follow-up, 72.9% of patients recovered their daily living ability (Barthel index).
  • 75.6% of patients regained community-level walking ability (Koval's category).
  • Radiographic results were not detailed in the abstract but implied to be satisfactory.

Conclusions:

  • Uncemented bipolar hemiarthroplasty with a double-tapered, rectangular stem provides favorable functional recovery for elderly patients with unstable intertrochanteric fractures.
  • This treatment approach can restore significant daily living and walking abilities in this patient population.