J Korean Fract Soc.  2011 Jan;24(1):16-22. 10.12671/jkfs.2011.24.1.16.

Usefulness of the Cementless Stem for the Treatment of Hip Fracture in Elderly Patients with Osteoporosis: Comparative Analysis between Cementless Stem and Cemented Stem

• Kang JS
• Moon KH
• Kim RS
• Lee SH
• Choi JM

• KMID: 1449411
• DOI: http://doi.org/10.12671/jkfs.2011.24.1.16

Abstract

PURPOSE
We evaluated the usefulness of the cementless stem in treating hip fracture patients older than 70.
MATERIALS AND METHODS
We studied elderly osteoporotic hip fractures in the neck and intertrochanter area who had received hip arthroplasty with over 2 years of follow up period. Among those, we analyzed the clinical and radiological results of hip arthroplasty with cemented stem (group 1) and hip arthroplasty with cementless stem (group 2). Each group was consists of fifty hips.
RESULTS
The mean age at surgery was 75 years and mean follow-up period was 40 months (minimum 24 months). The admission period was 28.68+/-8.8 days for group 1 and 28.05+/-8.7 days for group 2 (p>0.05) and the average operation time was 87+/-21.2 minutes, and 80+/-17 minutes (p>0.05) and the total blood loss was 611+/-141.3 cc and 557+/-120.5 cc (p>0.05) respectively. There was no statistically significant difference in all aspects. One case of pulmonary embolism occurred in group 1. Stem loosening was not observed in both groups at the last follow-up radiologic study.
CONCLUSION
The hip arthroplasty with cementless stem for the osteoporotic hip fractures showed a competent results clinically and radiologically in short term follow up as compared with the cemented stem.

Keyword

Hip fracture; Arthroplasty; Cementless stem; Cemented stem

MeSH Terms

Aged
Arthroplasty
Follow-Up Studies
Hip
Hip Fractures
Humans
Neck
Pulmonary Embolism

Figure

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  Fig. 1 Zweymuller stem (Plus Orthopaedics, Rotkreuz, Switcherland).

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  Fig. 2 Cross section of metaphysio-diaphyseal junction of femur implanted with Zweimuller stem.

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  Fig. 3 A 82 years old had the bipolar hemiarthroplasty with Zweymuller stem for the femur neck fracture. Radiography at post operative 4 years showed well fixation of the stem without subsidence.

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  Fig. 4 A 86 years old patient who diagnosed pulmonary embolism after bipolar hemiarthroplasty with using cemented stem. At post op two day, the patient complained dyspnea. Pulmonary embolism was confirmed by CT and lung perfusion scan.

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