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Clin Shoulder Elbow > Volume 13(2); 2010 > Article
Clinics in Shoulder and Elbow 2010;13(2):202-208.
DOI:    Published online December 31, 2010.
Minimal Invasive Plate Osteosynthesis in Proximal Humerus Fractures
Sang Jin Shin, Nam Hun Do, Mi Hyun Song, Hoon Sang Sohn
1Department of Orthopaedic Surgery, Ewha Womans University College of Medicine, Seoul, Korea.
2Department of Orthopaedic Surgery, National Medical Center, Seoul, Korea.
상완골 근위부 골절에서의 최소 침습적 금속판 술식
이화여자대학교 의학전문대학원 정형외과학교실, 국립중앙의료원 정형외과*
In this study we introduced minimal invasive plate osteosynthesis (MIPO) and analyzed clinical outcomes to determine the effectiveness of this intervention in proximal humerus fractures. MATERIALS AND METHODS: We studied 27 patients including 16 cases with a 2-part fracture, 10 cases with a 3-part fracture, and 1 case with a 4-part fracture. Clinical outcomes were evaluated using UCLA score, KSS score and recovery of range of motion. Time to union and humerus neck-shaft angle change were estimated by radiologic assessment. The average follow up period was 19 months.
UCLA scores were "excellent" for 15 patients, "good" for 12 patients. The mean KSS score was 91.4 at final follow-up. The average shoulder range of motion was 167.2degrees in forward elevation. Bone union occurred by 14.1 weeks postoperatively. Humerus neck-shaft angle recovery was "excellent" in 24 patients and "moderate" in 3 patients. There were no complications such as axillary nerve paralysis, deep infection, or subacromial impingement of the plate.
MIPO for proximal humerus fractures is an effective procedure if performed with sufficient understanding of the anatomical structures. MIPO leads to minimized dissection of soft tissue, low complication rates and early recovery of range of motion.
Key Words: Proximal humerus fracture; Minimal invasive plate osteosynthesis


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