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Clin Shoulder Elbow > Volume 10(2); 2007 > Article
Journal of the Korean Shoulder and Elbow Society 2007;10(2):183-189.
DOI: https://doi.org/10.5397/CiSE.2007.10.2.183    Published online December 31, 2007.
The Short Term Clinical Results of Hemiarthroplasty to Treat Humeral Head Osteonecrosis
Kang Min Sohn, Chang Meen Sung, Hyung Bin Park
Department of Orthopaedic Surgery, School of Medicine & Hospital, Gyeongsang National University, Jinju, Korea. hbinpark@gnu.ac.kr
상완골 두 비 외상성 골괴사에 시행한 견관절 반 치환술의 단기 추시 결과
손강민·성창민·박형빈*
경상대학교 의학전문대학원 정형외과학교실
Abstract
INTRODUCTION: While uncommon, humeral head osteonecrosis is an indication for arthroplasty when the humeral head collapse is advanced. The current authors report the short-term clinical results of 7 hemiarthroplasties to treat humeral head osteonecrosis. MATERIALS AND METHODS: This study focused on 7 reconstructed shoulders of 5 patients whose humeral head osteonecrosis was treated with hemiarthroplasty. The postulated causes were alcohol-induced (4 cases) and steroidinduced (3 cases). The minimum follow-up was 12 months. This study compared the preoperative and postoperative shoulder pain, range of motion, and ASES scores. The postoperative patient satisfaction was assessed.
RESULTS
The level of pain during exercise was reduced from a preoperative average of 7.6 to a postoperative average of 1.9. The range of motion, in terms of forward flexion, abduction, and external rotation, improved from preoperative averages of 105.7degrees, 80degrees, and 22.1degrees to postoperative averages of 146.6degrees, 139.3degrees, and 44.3degrees, respectively. The ASES scores increased from a preoperative mean of 39.0 to a postoperative mean of 84.1. The patients' ratings of the outcomes were excellent (5 cases) and good (2 cases).
CONCLUSIONS
These short-term results indicate that hemiarthroplasty is a reliable treatment method for humeral head osteonecrosis improving shoulder pain, range of motion, and patient satisfaction.
Key Words: Humeral head; Osteonecrosis; Hemiarthroplasty


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