Primary Total Hip Arthroplasty With Short Stems in Patients Under 20 Years of Age

  • Martín Buljubasich Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina https://orcid.org/0000-0001-5922-7785
  • Surya Kohan Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina https://orcid.org/0000-0003-2703-8554
  • Francisco Salagoity Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina https://orcid.org/0000-0001-6062-7188
  • Fernando Comba Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina http://orcid.org/0000-0002-2848-2983
  • Gerardo Zanotti Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina https://orcid.org/0000-0001-8090-4832
  • Pablo Ariel Slullitel Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina http://orcid.org/0000-0002-8957-075X
  • Martín Alejandro Buttaro Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina http://orcid.org/0000-0003-3329-778X
Keywords: Total hip arthroplasty, total hip replacement, pediatric patients, young adults

Abstract

Introduction: To our knowledge, there is no published literature on the outcomes of short-stem total hip arthroplasty (THA) in patients under 20 years old. This study aimed to analyze clinical, radiological, and functional outcomes in patients under 20 years of age undergoing THA with a short uncemented 2B femoral stem. Materials and Methods: We carried out a retrospective study of 13 patients (16 THAs) treated between January 2006 and January 2021. The mean age and BMI were 16.5±2.5 years and 22.74±4.06 kg/m2, respectively. The mean follow-up was 43.3 months (range 12-128, SD ± 33.45). Surgical indications, as wellas functional and radiologic outcomes, were analyzed. Implant survival was calculated with the Kaplan-Meier estimate. Results: The predominant indication was avascular necrosis (9/16 hips [56%]), of which 66% were associated with prolonged use of corticosteroids. Eight (50%) of the cases had undergone surgeries before the THA. The Harris hip score improved significantly from 33±16.5 to 94±5.6 (p<0.001). Ten (76%) patients required assistive devices to walk preoperatively, and no patient required them at the end of follow-up. Radiolucency was evident in one acetabular component, without clinical implications. There were no signs of femoral component loosening. The implant survival was 100% at the last follow-up. Conclusions: Short stems in primary THAs in patients under 20 years of age with advanced hip osteoarthritis showed clinical, functional, and radiological outcomes comparable to those previously reported in the literature for conventional stems, with the particularity of being less invasive and sparing femoral bone stock.

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Author Biographies

Martín Buljubasich, Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina
Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina
Surya Kohan, Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina
Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina
Francisco Salagoity, Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina
Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina
Fernando Comba, Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina
Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina
Gerardo Zanotti, Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina
Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina
Pablo Ariel Slullitel, Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina
Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina
Martín Alejandro Buttaro, Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina
Hip Center “Sir John Charnley”, Institute of Orthopedics and Traumatology “Prof. Dr Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina

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Published
2022-10-24
How to Cite
Buljubasich, M., Kohan, S., Salagoity, F., Comba, F., Zanotti, G., Slullitel, P. A., & Buttaro, M. A. (2022). Primary Total Hip Arthroplasty With Short Stems in Patients Under 20 Years of Age. Revista De La Asociación Argentina De Ortopedia Y Traumatología, 87(5), 636-644. https://doi.org/10.15417/issn.1852-7434.2022.87.5.1599
Section
Clinical Research

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