Mid-term outcomes after primary total hip arthroplasty with a cemented short stem in an elderly patient cohort.

Publisher: Springer Verlag Country of Publication: Germany NLM ID: 9011043 Publication Model: Electronic Cited Medium: Internet ISSN: 1434-3916 (Electronic) Linking ISSN: 09368051 NLM ISO Abbreviation: Arch Orthop Trauma Surg Subsets: MEDLINE

Publication: Berlin : Springer Verlag
Original Publication: Berlin : Springer International, c1989-

Arthroplasty, Replacement, Hip*/methods ; Arthroplasty, Replacement, Hip*/instrumentation ; Hip Prosthesis*; Aged ; Female ; Humans ; Male ; Bone Cements ; Osteoarthritis, Hip/surgery ; Postoperative Complications/epidemiology ; Prospective Studies ; Prosthesis Design ; Prosthesis Failure ; Treatment Outcome

Purpose: The main objective of this prospective study was to assess clinical, radiographic and safety mid-term outcomes after THA with a short cemented stem in an elderly patient cohort. Moreover, the study aimed at investigating the mid-term survivorship of the implant and the incidence of complications.
Methods: 96 consecutive patients (100 cases) underwent THA with a short cemented stem. Underlying pathology was primary coxarthrosis in 93% of the cases. The clinical assessment was performed with the Harris Hip Score (HSS) and the Oxford Hip Score (OHS) and the radiographic evaluations were performed preoperatively, and at 45 days, 6, 12, 24 and 60 months postoperatively.
Results: Patients' mean age at the time of surgery was of 73.4 years (range: 67.2-79.6 years). Mean HHS and OHS registered a significant improvement already 45 days after surgery, with the HHS increasing from 35.9 ± 11.3 (preoperative) to 79.2 ± 8.8 (45 days post-operatively) and the OHS increasing from 10.9 ± 4.8 (preoperative) to 34.1 ± 7.5 at 45 days (p < 0.001). Mean HHS and OHS at 5 years post operatively reached 97.2 ± 5.8 and 47.4 ± 1.4 points respectively. All implants were stable at the final follow-up with no cases of progressive radiolucent lines or osteolysis. No revisions were performed, with a survivorship of 100% at 5 years.
Conclusion: According to excellent clinical and patient-subjective outcomes and to the good implant stability with no component failure up to 5 years, this study suggests that the analysed short cemented stem could be a safe and performing treatment option for THA in elderly population.
Level of Evidence: III.
Gov Identifier: NCT04987437.
Competing Interests: Declarations. Conflict of interest: Dr. Luca Marega receives speaker and consultant honoraria from Limacorporate and receives royalties. All other authors have no relevant financial or non-financial interests to disclose. Consent for publication: Patients and authors gave their consent for the publication of the study outcomes. The manuscript is being submitted by the corresponding author on behalf of all the authors. All authors have read and approved the last version of the manuscript. This manuscript has not been accepted for publication and has not been published in any other journal.
(© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)

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Keywords: Cemented short stem; Early recovery; Elderly patients; Fourth-generation cementing technique; Primary total hip arthroplasty

ClinicalTrials.gov NCT04987437

0 (Bone Cements)

Date Created: 20241227 Date Completed: 20241227 Latest Revision: 20241230

20241230

10.1007/s00402-024-05734-3

39729135