Press fit fixation of cementless cups: how much stability do we need indeed?

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Abstract

[Indexed for MEDLINE] 19. J Shoulder Elbow Surg. 2002 Jul-Aug;11(4):351-9. doi: 10.1067/mse.2002.125807. Cemented polyethylene versus uncemented metal-backed glenoid components in total shoulder arthroplasty: a prospective, double-blind, randomized study. Boileau P(1), Avidor C, Krishnan SG, Walch G, Kempf JF, Molé D. Author information: (1)Department of Orthopaedic Surgery, Hôpital de L'Archet-University of Nice, France. boileau.p@chu-nice.fr Thirty-nine patients (forty shoulders) with primary osteoarthritis consented to be randomized to receive either a cemented all-polyethylene glenoid component or a cementless metal-backed component at the time of total shoulder arthroplasty. Their mean age was 69 years. Preoperative and postoperative evaluations were completed at 3, 6, 12, 24, and 36 months by history, physical examination, radiographs, and Constant scoring system. The presence of periprosthetic radiolucent lines was significantly greater with polyethylene than with metal-backed glenoids (85% vs 25%, P