Clin Orthop Surg.  2010 Dec;2(4):221-226. 10.4055/cios.2010.2.4.221.

Cementless Bipolar Hemiarthroplasty for Unstable Intertrochanteric Fractures in Elderly Patients

• Choy WS
• Ahn JH
• Ko JH
• Kam BS
• Lee DH

• KMID: 1719322
• DOI: http://doi.org/10.4055/cios.2010.2.4.221

Abstract

BACKGROUND
Bipolar hemiarthroplasty for unstable intertrochanteric fractures in elderly patients is a viable option that can prevent the complications of an open reduction, such as nonunion and metal failure. This study evaluated the clinicoradiological results of cementless bipolar hemiarthroplasty for unstable intertrochanteric fractures in elderly patients.
METHODS
Forty hips were followed for more than 2 years after cementless bipolar hemiarthroplasty using a Porocoat(R) AML Hip System. The mean age was 78.8 years and the mean follow-up period was 40.5 months. The Harris hip score and postoperative hip pain were analyzed clinically. The radiological results were assessed using a range of indices.
RESULTS
At the last follow-up, the mean Harris hip score was 80.6 points. There were one case of hip pain and one case of thigh pain. Twenty-four cases (60%) showed no decrease in ambulation capacity postoperatively. Radiologically, there were 23 cases (57.5%) of fixation by bone ingrowth and 17 cases (42.5%) of stable fibrous fixation. There were no cases of osteolysis. Eleven cases (27.5%) of new bone formation were found around the stem. All stems were stable without significant changes in alignment or progressive subsidence.
CONCLUSIONS
The short-term results of cementless bipolar hemiarthroplasty in elderly patients with unstable intertrochanteric fractures were satisfactory.

Keyword

Old age; Intertrochanteric fracture; Cementless bipolar hemiarthroplasty

MeSH Terms

Activities of Daily Living
Aged
*Arthroplasty, Replacement, Hip
Female
Hip/radiography
Hip Fractures/radiography/*surgery
*Hip Prosthesis
Humans
Male
Pain Measurement
Postoperative Care
*Prosthesis Design
Walking

Figure

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  Fig. 1 Anteroposterior radiographs of the right hip. (A) A 78-year-old woman had an unstable intertrochanteric fracture. (B) The postoperative radiograph shows a good proximal canal fit. (C) At postoperative 40 months, the radiograph shows the union of the lesser trochanter and stable fibrous fixation of the femoral component without subsidence or changes in alignment.

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