The Midterm Results of the Delta Xtend Reverse Shoulder System: A Five-Year Outcome Study

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Horneff John G.; Nicholson Thema A.; Namdari Surena; Williams Gerald r.; Abboud Joseph A.

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Journal Paper

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Journal: Archives of Bone and Joint Surgery Year:2018 | Volume:6 | Issue:6 Page(s): 532-538

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Title

The Midterm Results of the Delta Xtend Reverse Shoulder System: A Five-Year Outcome Study

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Keywords

Long term outcome

Outcomes study

Range of motion

Reverse shoulder arthroplasty

Shoulder replacement

Abstract

Background: The purpose of this study was to examine the mid-term functional outcomes, radiographic results, and revision rates of patients treated with the Delta Xtend Reverse Shoulder System for both primary and revision arthroplasty indications. Methods: A retrospective review was conducted of records for all individuals who underwent a Reverse shoulder arthroplasty using the Delta Xtend Reverse Shoulder Prosthesis at a single institution. Radiographic analysis as well as pain and functional measures using the ASES, Quick DASH, SST, SF-12, Penn, SANE, EQ-5D and VAS, and VR-12 scores. Patients were evaluated for five-year outcomes. Results: Fifty patients were available for 5-year outcomes. Thirty-three cases were primary arthroplasty cases and 17 were revision arthroplasty cases. Postoperative radiographs at five years out from surgery were available for 46 patients. The mean AGT overall was 32. 6mm: 31. 7mm the primary cases and 34. 8mm for revision cases. Sirveaux scapular notching was: 65. 2% (30/46) at Grade 0, 23. 9% (11/46) at Grade 1, and 10. 9% (5/46) at Grade 2. Overall, 32/46 of stems were in neutral position, 10/46 were in valgus position, and 4/46 were in varus position. There was no significant correlation between stem position and scapular notching. The mean outcome scores for all patients at five years were good to excellent. Two revision patients demonstrated loosening of the humeral stem on radiographs. Nine patients demonstrated calcification of the long head of the triceps tendon. Conclusion: In conclusion, the Delta Xtend Reverse Shoulder System has shown to be a reliable arthroplasty system for patients with CTA or failed prior arthroplasty. Patients are generally quite functional at five years out from their Reverse shoulder arthroplasty using this implant. Radiographic measures used to interpret the status of the implant demonstrate that AGT is well maintained and scapular notching is minimal for the majority of cases.

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APA: Copy

Horneff, John G., Nicholson, Thema A., Namdari, Surena, Williams, Gerald r., & Abboud, Joseph A.. (2018). The Midterm Results of the Delta Xtend Reverse Shoulder System: A Five-Year Outcome Study. THE ARCHIVES OF BONE AND JOINT SURGERY, 6(6), 532-538. SID. https://sid.ir/paper/350169/en

Vancouver: Copy

Horneff John G., Nicholson Thema A., Namdari Surena, Williams Gerald r., Abboud Joseph A.. The Midterm Results of the Delta Xtend Reverse Shoulder System: A Five-Year Outcome Study. THE ARCHIVES OF BONE AND JOINT SURGERY[Internet]. 2018;6(6):532-538. Available from: https://sid.ir/paper/350169/en

IEEE: Copy

John G. Horneff, Thema A. Nicholson, Surena Namdari, Gerald r. Williams, and Joseph A. Abboud, “The Midterm Results of the Delta Xtend Reverse Shoulder System: A Five-Year Outcome Study,” THE ARCHIVES OF BONE AND JOINT SURGERY, vol. 6, no. 6, pp. 532–538, 2018, [Online]. Available: https://sid.ir/paper/350169/en

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