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Information Journal Paper

Title

Humeral-sided Radiographic Changes Following Reverse Total Shoulder Arthroplasty

Pages

  50-57

Abstract

 Background: We sought to characterize humeral-sided Radiographic changes at a minimum of 2 years after Reverse shoulder arthroplasty (RSA) to determine their association with specific implantation techniques. Methods: The immediate and most recent postoperative anteroposterior radiographs of 120 shoulders with primary RSA and a minimum of 2-years of radiographic follow-up were analyzed (mean follow-up 35. 2 months). Stress shielding was evaluated by measuring cortical thickness at 4 different locations. Three independent examiners evaluated radiographs for humeral Osteolysis, Radiolucent lines, Stress shielding, stem loosening, and Scapular notching. Results: The cortical diameter, marker of external Stress shielding, significantly decreased from initial to most recent measurement (P<0. 001), but did not differ between cemented and uncemented groups. Cemented stems had significantly more Osteolysis and Radiolucent lines; uncemented stems had significantly more internal Stress shielding (P<001). The presence of Scapular notching was significantly correlated with the presence of humeral Osteolysis (P<0. 001). Three (2. 5%) stems were deemed “ at risk” for loosening and 2 (1. 7%) were loose. Conclusion: Cemented humeral stems were associated with an increased rate of Radiolucent lines and Osteolysis, whereas uncemented stems were associated with more internal Stress shielding. Humeral cortical thickness significantly decreased over time regardless of fixation. There was an association between Scapular notching and increased humeral Osteolysis.

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    Cite

    APA: Copy

    Brolin, Tyler J., Cox, Ryan M., Horneff III, John G., Namdari, Surena, Abboud, Joseph A., Nicholson, Kristen, & Ramsey, Matthew L.. (2020). Humeral-sided Radiographic Changes Following Reverse Total Shoulder Arthroplasty. THE ARCHIVES OF BONE AND JOINT SURGERY, 8(1), 50-57. SID. https://sid.ir/paper/745976/en

    Vancouver: Copy

    Brolin Tyler J., Cox Ryan M., Horneff III John G., Namdari Surena, Abboud Joseph A., Nicholson Kristen, Ramsey Matthew L.. Humeral-sided Radiographic Changes Following Reverse Total Shoulder Arthroplasty. THE ARCHIVES OF BONE AND JOINT SURGERY[Internet]. 2020;8(1):50-57. Available from: https://sid.ir/paper/745976/en

    IEEE: Copy

    Tyler J. Brolin, Ryan M. Cox, John G. Horneff III, Surena Namdari, Joseph A. Abboud, Kristen Nicholson, and Matthew L. Ramsey, “Humeral-sided Radiographic Changes Following Reverse Total Shoulder Arthroplasty,” THE ARCHIVES OF BONE AND JOINT SURGERY, vol. 8, no. 1, pp. 50–57, 2020, [Online]. Available: https://sid.ir/paper/745976/en

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