Abstract
The purpose of the study was to evaluate the results of surgical reconstructions of the proximal humerus after transarticular tumour resection, compare the functional results with the results of shoulder arthroplasty in patients with extensive damage of the proximal humerus of non-neoplastic origin. Material and methods. Between 2001 and 2013 38 proximal humeral reconstructions were performed in our clinic: using monopolar endoprostheses - 26 (68%) and modular systems with reversible head -12 (32%). The control group included 46 patients with extensive lesions of the proximal humerus of non-neoplastic origin, operated in our clinic in the period from 2006 to 2012. Term follow-up of patients ranged from 7 months to 9 years. Assessment of functional results was carried out in a period from six months to one year. Results. The seven-year survival according the Kaplan - Meier method for patients with primary malignant tumors of the proximal humerus (25 patients) was 77%. In the study group the average value of functional outcome MSTS score was 77.7%. Unipolar prosthesis showed a bad result, both in the control (61,3% MSTS, 60,7 Neer) and in the main (67,7% MSTS, 61,1 Neer) study groups. Conclusion. Currently the method of choice which doesn’t impair the oncologic component of treatment patients with shoulder neoplastic lesions is its replacement with modular reversible systems in combination with additional soft tissue fixation.
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