Evaluation of the Effectiveness of Falling Parachute"Fixed Greater and Lesser Tuberosity of Humerus in Artificial Humeral Head Replacement
Objective:To explore the short-term clinical efficacy of"falling parachute"type fixed-size humeral nodules in artificial humeral head replacement.Methods:Retrospective analysis of 25 cases of proximal humeral fractures in elderly patients treated with artificial head replacement between January 2018 and January 2021.Postoperative complications,Constant-Murley shoulder scale(CMS)score,visual analogue scale(VAS)score,and last follow-up shoulder motion data were collected and analyzed for statistical significance.Results:All 25 patients were followed up for 18-36 months,with an average follow-up time of 24.12 months.At the last follow-up,there were no complications such as prosthesis loose-ning,dislocation,displacement of nodules and heterotopic ossification.CMS score:excellent 5 cases,good 18 cases,fair 1 case,poor 1 case,excellent and good rate 92％.There was 1 patient with mild shoulder joint pain during movement,which was tolerable.Shoulder range of motion:abduction 95°-130°,average 110.52°;forward bend 100°-135°,average 127.20°;external spin 30°-45°,average 37.56°;internal spin 40°-65°,average 55.16°.Conclusion:In humeral head replacement for fractures of the proximal humerus in the elderly,the"falling parachute"type fixed-size humeral nodules achieved satisfac-tory clinical results,satisfactory return of shoulder function,and no secondary displacement of the nodules.
fractures of the proximal humerushead replacement of the humerushumeral nodules
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