Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Radiological changes in second- and third-generation Zweymüller stems.

M Wick1, D K Lester

  • 1Berufsgenossenschaftliche Kliniken Bergmannsheil, Department of Surgery and Traumatology, Ruhr-University of Bochum, Buerkle-de-la-Camp Platz 1, 44789 Bochum, Germany.

The Journal of Bone and Joint Surgery. British Volume
|December 1, 2004
PubMed
Summary

A slight change in femoral stem shape, comparing Alloclassic and Endoplus implants, led to significant differences in radiographic bone response. Bone remodeling patterns varied between the two hip implant generations.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

S1 guidelines "lumbar puncture and cerebrospinal fluid analysis" (abridged and translated version).

Neurological research and practice·2020
Same author

Effect of a post-hatch lipopolysaccharide challenge in Turkey poults and ducklings after a primary embryonic heat stress.

Developmental and comparative immunology·2019
Same author

From muscle to food: oxidative challenges and developmental anomalies in poultry breast muscle.

Poultry science·2018
Same author

Effect of embryonic thermal manipulation on heat shock protein 70 (HSP70) expression and subsequent immune response to post-hatch lipopolysaccharide challenge in Pekin ducklings.

Poultry science·2018
Same author

Transcriptional comparison of myogenesis in leghorn and low score normal embryos.

Poultry science·2017
Same author

Surgical therapy of post traumatic malalignement and arthrosis of the ankle joint.

Der Orthopade·2017

Area of Science:

  • Orthopedic Surgery
  • Biomaterials Engineering
  • Radiology

Background:

  • The Alloclassic and Endoplus femoral stems share material and surface properties but differ in external geometry.
  • Understanding the radiographic bone response to subtle implant design variations is crucial for long-term implant success.

Purpose of the Study:

  • To compare the radiographic bone response between the second-generation Alloclassic and third-generation Endoplus femoral stems.
  • To identify differences in radiolucencies, bone remodeling, subsidence, and heterotopic bone formation over a minimum two-year follow-up.

Main Methods:

  • A retrospective study comparing 79 prostheses in 70 matched patients.
  • Radiographic assessment of Gruen zones for lucent lines, adaptive bone remodeling, subsidence, heterotopic bone formation, and lysis.

Related Experiment Videos

  • Statistical analysis of radiographic findings between the Alloclassic and Endoplus groups.

    • Main Results:

    • Endoplus group showed significantly higher rates of radiolucencies in zones 1, 7, 2, and 6 compared to Alloclassic.
    • A combination of proximal lucencies and distal cortical hypertrophy was observed exclusively in the Endoplus group.
    • Bone atrophy (stress shielding) was more frequent in zones 2 and 6 for the Endoplus group.

    Conclusions:

    • Minor alterations in femoral stem geometry can induce statistically significant changes in radiographic bone remodeling.
    • The Endoplus femoral stem demonstrates a different radiographic bone response compared to the Alloclassic stem.
    • Further clinical evaluation is needed to determine if these radiographic differences impact long-term clinical outcomes.