The purpose of the study is to investigate the fixation of the humeral component in total shoulder arthroplasty for primary osteoarthritis of the glenohumeral joint.Our hypothesis is that uncemented fixation of the humerus will result in better disease-specific quality of life, decreased incidence of radiographic loosening, decrease operative time and no increase in complications.
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disease specific quality of life comparing the 2 groups at 2 years using several shoulder function rating scales.
the Western Ontario Osteoarthritis of the Shoulder Index (WOOS)
the Constant Score
American Shoulder and Elbow Surgeons (ASES) Standardized Shoulder Assessment form.
Short Form-12