دورية أكاديمية
أعرض في EDS

The effect of a collar on primary stability of standard and undersized cementless hip stems: a biomechanical study.

التفاصيل البيبلوغرافية
العنوان: The effect of a collar on primary stability of standard and undersized cementless hip stems: a biomechanical study.
المؤلفون: Kistler M; Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU, Marchioninistraße 15, 81377, Munich, Germany. Manuel.Kistler@med.uni-muenchen.de., Steinbrück A; Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU, Marchioninistraße 15, 81377, Munich, Germany.; Orthopaedic Surgical Competence Center Augsburg (OCKA), Vinzenz-Von-Paul-Platz 1, 86152, Augsburg, Germany., Schmidutz F; Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU, Marchioninistraße 15, 81377, Munich, Germany.; Orthopaedic Center Rosenheim, Äußere Münchener Straße 94, 83026, Rosenheim, Germany., Paulus AC; Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU, Marchioninistraße 15, 81377, Munich, Germany.; Orthopaedic Specialist Center Weilheim, Johann-Baur-Str. 5, 82362, Weilheim, Germany., Holzapfel BM; Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU, Marchioninistraße 15, 81377, Munich, Germany., Woiczinski M; Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU, Marchioninistraße 15, 81377, Munich, Germany.; Experimental Orthopaedics University Hospital Jena, Campus Eisenberg, Waldkliniken Eisenberg, Eisenberg, Germany.
المصدر: Archives of orthopaedic and trauma surgery [Arch Orthop Trauma Surg] 2024 Jun; Vol. 144 (6), pp. 2873-2879. Date of Electronic Publication: 2024 May 18.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Springer Verlag Country of Publication: Germany NLM ID: 9011043 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1434-3916 (Electronic) Linking ISSN: 09368051 NLM ISO Abbreviation: Arch Orthop Trauma Surg Subsets: MEDLINE
أسماء مطبوعة: Publication: Berlin : Springer Verlag
Original Publication: Berlin : Springer International, c1989-
مواضيع طبية MeSH: Hip Prosthesis* , Prosthesis Design* , Arthroplasty, Replacement, Hip*/methods , Arthroplasty, Replacement, Hip*/instrumentation, Biomechanical Phenomena ; Humans ; Prosthesis Failure
مستخلص: Introduction: Aseptic loosening and periprosthetic fractures are main reasons for revision after THA. Quite different from most other stem systems, Corail cementless hip stems show better survival rates than their cemented counterpart, which can possibly be explained by the use of a collar. The study aimed to investigate primary stability with standard and undersized hip stems both collared and collarless.
Materials and Methods: Primary stability of cementless, collared and collarless, femoral stems was measured in artificial bones using both undersized and standard size. After preconditioning, 3D micromotion was measured under cyclic loading at the bone-implant interface.
Results: The use of a collar resulted in higher micromotion within the same stem size but showed no statistically significant difference for both standard and undersized hip stems. The collared and collarless undersized stems showed no significant differences in 3D micromotion at the upper measuring positions compared to the standard stem size. Micromotion was significantly higher in the distal measuring positions, with and without collar, for the undersized stems (vs. standard collarless stem size).
Conclusion: The key finding is that the collarless and collared Corail hip stems, within one stem size, showed no significant differences in primary stability. Undersized stems showed significantly higher micromotion in the distal area both with and without collar.
(© 2024. The Author(s).)
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فهرسة مساهمة: Keywords: Biomechanics; Collar; Micromotion; Primary stability; Total hip arthroplasty (THA); Undersizing
تواريخ الأحداث: Date Created: 20240518 Date Completed: 20240627 Latest Revision: 20240630
رمز التحديث: 20240630
مُعرف محوري في PubMed: PMC11211124
DOI: 10.1007/s00402-024-05374-7
PMID: 38762654
قاعدة البيانات: MEDLINE
الوصف
تدمد:1434-3916
DOI:10.1007/s00402-024-05374-7