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  • Title: [Analysis of the results of hemiarthroplasty in the treatment of proximal humeral fractures].
    Author: Wang L, Zhuang CY, Zhang WB, Yang QM.
    Journal: Zhonghua Wai Ke Za Zhi; 2007 Oct 15; 45(20):1389-91. PubMed ID: 18241588.
    Abstract:
    OBJECTIVES: To evaluate the clinical results of hemiarthroplasty in the treatment of severe proximal humeral fracture, and to analyze the influencing factors. METHODS: Forty-two cases with mean age of 63 years old were included. Mean follow-up duration was 29 months (12 - 48 months). Subjective satisfaction, ROM, muscle strength, stability, smoothness of motion were all evaluated. Radiographs of anterio-posterior view and axial view of shoulder were taken. Total-length radiographs of bilateral humerus were taken for 27 cases and CT for 15 cases. RESULTS: With Constant-Murley score 19 cases (45%) were excellent, 17 cases (40%) good, 6 cases (15%) poor, and the rate of total satisfactory was 85%. Post-operative active ROM, anterior flexion was (100 +/- 32) degrees , external rotation (16 +/- 11) degrees , external rotation and posterior extension to the level of L2. CONCLUSIONS: The reasons for the poor results include improper restoration of humeral length, over retroversion of prosthesis, poor fixation of tuberosity, malunion, absorption of greater tuberosity and heterotopic ossification.
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