J Korean Orthop Assoc.  2012 Apr;47(2):79-85. 10.4055/jkoa.2012.47.2.79.

Bipolar Hemiarthroplasty with Cementless Femoral Stem for Unstable Intertrochanteric Fractures

Affiliations
  • 1Department of Orthopedic Surgery, National Medical Center, Seoul, Korea. Drjmlee@paran.com

Abstract

PURPOSE
The purpose of this study was to evaluate the usefulness of bipolar hemiarthroplasty using a cementless femoral stem for treating unstable intertrochanteric fractures in elderly patients.
MATERIALS AND METHODS
This study included 41 hips of 41 patients who were followed up for over 2 years after bipolar hemiarthroplasty using cementless femoral stem between October 2006 and November 2008. The mean follow-up period was 33 months (24-42 months).
RESULTS
At the last follow-up, the mean Harris hip score was 81.3 points. All stems were stable without significant changes in alignment or progressive subsidence. There were no cases of leg length discrepancy over 5 mm. There were 3 cases of wire fixation breakage and 1 case of posterior hip dislocation.
CONCLUSION
The short-term results over 2 years of clinical and radiological evaluation of cementless bipolar hemiarthroplasty and wire fixation were satisfactory in elderly patients with unstable intertrochanteric fracture.

Keyword

unstable intertrochanteric fracture of femur; cementless femoral stem; wire fixation

MeSH Terms

Aged
Follow-Up Studies
Hemiarthroplasty
Hip
Hip Fractures
Humans
Leg

Figure

  • Figure 1 Candy package wiring technique. (A) Schematic drawing of candy package wiring. (B) The postoperative radiograph shows a good wiring fixation.

  • Figure 2 Anteriorposterior radiographs of the hip. (A) A 83-year-old woman patient had an unstable intertrochanteric fracture. (B) The postoperative radiograph shows a good proximal canal fit and wiring. (C) At postoperative 24 months, the radiograph shows stable fixation of the femoral stem.

  • Figure 3 Anteriorposterior radiographs of the hip. (A) A 80-year-old woman patient had an unstable intertrochanteric fracture. (B) The postoperative radiograph shows a good proximal canal fit and wiring. (C) At postoperative 30 months, the radiograph shows stable fixation of the femoral stem.

  • Figure 4 Coren® (Bencox®, Corentec, Seoul, Korea) cementless femoral stem. (A) Femoral component has a tapered wedge shape. (B) Femoral component has 3 vertical ribs.


Cited by  4 articles

Bipolar Hemiarthroplasty Using Calcar Replacement Stem for Unstable Intertrochanteric Femoral Fracture in Elderly Patients
Dukhwan Kho, Kyoungmo Nam, Daemyung Kang, Hyeungjune Kim
Hip Pelvis. 2013;25(3):203-210.    doi: 10.5371/hp.2013.25.3.203.

Primary Cementless Hip Arthroplasty in Unstable Intertrochanteric Femur Fracture in Elderlys: Short-term Results
Su-Hyun Cho, Hyung Lae Cho, Hong Cho
Hip Pelvis. 2014;26(3):157-165.    doi: 10.5371/hp.2014.26.3.157.

Result of a Minimum Five-Year Follow-Up of Hip Arthroplasty Using the Bencox® Hip Stem
Joong-Myung Lee, Jae-Bum Jeon
J Korean Orthop Assoc. 2014;49(2):126-132.    doi: 10.4055/jkoa.2014.49.2.126.

Wiring Techniques for the Fixation of Trochanteric Fragments during Bipolar Hemiarthroplasty for Femoral Intertrochanteric Fracture: Clinical Study and Technical Note
Joong-Myung Lee, Yongsuk Cho, Junhyun Kim, Dong-Won Kim
Hip Pelvis. 2017;29(1):44-53.    doi: 10.5371/hp.2017.29.1.44.


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