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DOI: 10.1055/s-0044-1789264
Complications and Long-Term Outcome in 30 Canine Total Hip Arthroplasties Using a Second-Generation Selective Laser Melted Screw Cup

Abstract
Objective The aim of this study was to report complications and outcomes of a cementless total hip arthroplasty (THA) system with a second-generation selective laser-melted screw cup (SCSL).
Study Design All THA using the SCSL performed at a single institution between January 2017 and November 2022 were retrospectively evaluated. Patients with a minimum follow-up period of 12 months and complete medical records were included and analyzed for radiographic and clinical outcomes.
Results Thirty THA with SCSL in 23 dogs were included in this study. Complications were observed in seven hips, comprising two minor and five major complications, with two hips experiencing two major complications. Among these seven major complications, six were associated with the femoral implant and one involved cup luxation. Of the 30 THA, 4 were explanted, while 26 remained in place for a median follow-up of 17.5 months (range, 12–38 months).
Conclusion No cases of late aseptic loosening were observed with SCSL. THA using SCSL helps reduce cup-associated complications and is appropriate for THA surgery, and the overall complication rate is comparable with that of other single-implant systems. Nevertheless, four hips were explanted.
Authors' Contribution
J.S. and N.H. contributed to the conception of the study, study design, and acquisition of data. D.K. and P.D. contributed to the conception of the study and acquisition of data. O.H. performed all surgical procedures as a primary surgeon. N.H. was responsible for data analysis and paper writing. All the authors drafted, revised, and approved the final manuscript.
Publication History
Received: 08 January 2024
Accepted: 01 August 2024
Article published online:
22 August 2024
© 2024. Thieme. All rights reserved.
Georg Thieme Verlag KG
Rüdigerstraße 14, 70469 Stuttgart, Germany
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