Cemented Bipolar Hemiarthroplasty for the Femoal Neck or Intertrochanteric Fracture in Elderly Patients - Multicenter Study -

Sang-Rim Kim; Kwang-Hoon Chung; Kwang-Bok Lee; Sung-Rak Lee; Bong-Jin Lee; Jong-Tae Park; Yong-Chan Ha

doi:10.4055/jkoa.2007.42.1.53

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Kim, Chung, Lee, Lee, Lee, Park, and Ha: Cemented Bipolar Hemiarthroplasty for the Femoal Neck or Intertrochanteric Fracture in Elderly Patients - Multicenter Study -

Original Article

Journal of the Korean Orthopaedic Association

Journal of the Korean Orthopaedic Association 2007; 42(1): 53-58.

Published online: 28 February 2007

DOI: https://doi.org/10.4055/jkoa.2007.42.1.53

Cemented Bipolar Hemiarthroplasty for the Femoal Neck or Intertrochanteric Fracture in Elderly Patients - Multicenter Study -

Sang-Rim Kim, M.D., Kwang-Hoon Chung, M.D., Kwang-Bok Lee, M.D., Sung-Rak Lee, M.D.^*, Bong-Jin Lee, M.D.^*, Jong-Tae Park, M.D.^†, Yong-Chan Ha, M.D.^†

Department of Orthopaedic Surgery, College of Medicine, Cheju National University, Jeju, Korea.

^*Department of Orthopaedic Surgery, Halla General Hospital, Jeju, Korea.

^†Department of Orthopaedic Surgery, College of Medicine, Gyeongsang National University, Jinju, Korea.

Address reprint requests to Yong-Chan Ha, M.D. Department of Orthopaedic Surgery, Gyeongsang National University Hospital, 90, Chilam-dong, Jinju 660-702, Korea. Tel: +82.55-750-8107, Fax: +82.55-753-4789, hychan@gaechuk.gsnu.ac.kr

Abstract

Purpose

This multicenter study was carried out to estimate the clinical and radiological results of cemented bipolar endoprosthesis replacement arthroplasty of a hip fracture in patients aged over 50 years in Jeju Island.

Materials and Methods

Eighty-eight hips underwent bipolar endoprosthesis in 2002. Thirty-two patients died during the follow-up period and 7 patients refused a radiological evaluation or an interview. Two patients who underwent cementless bipolar endoprosthesis were excluded. Forty-nine hips (48 patients) completed the average 27 months follow-up. A neck fracture was involved in 40 hips (39 patient) and an intertrochanteric fracture was involved in 9 hips (9 patients). The average age was 77.7 years. The results were evaluated using clinical and radiological methods.

Results

At the last follow-up, the average Harris hip score was 70.1 and 22 hips (45%), which indicated excellent and good results, respectively. Among the 42 patients with normal activity at the preoperative period, 28 patients were still active at the final follow-up. The number of medical illnesses and the severity of mental deterioration were also associated with the poor Harris hip scores. The pressurization cementing technique was found to be excellent at the radiological evaluation. One femoral stem appeared to have loosened and subsided but there was no revision surgery.

Conclusion

The clinical result of the cemented bipolar endoprosthesis in multicenter study showed that the only 45% of patients showed results >good. The major factors influencing the results were the postoperative activity, the number of medical illnesses, and the severity of the mental changes.

Keywords: Hip fracture, Cemented bipolar endoprosthesis

Figures and Tables

Table 1

Comparison between the Harris Hip Score and the Factors Included in the Statistical Analysis (Multiple Regression Test)

^*b, regression coefficient.

Table 2

Comparison between Neck Fracture Group and Intertrochanteric Fracture Group with the Harris Hip Score (Mann-Whitney Test)

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