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Individualized Stem-positioning in Calcar-guided Short-stem Total Hip Arthroplasty
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[Our experience with the metha short hip stem].

M Lacko1, V Filip, R Cellár

  • 1Klinika ortopédie a traumatológie pohybového ústrojenstva UPJŠ LF a UNLP Košice.

Acta Chirurgiae Orthopaedicae Et Traumatologiae Cechoslovaca
|April 24, 2014
PubMed
Summary
This summary is machine-generated.

Total hip arthroplasty (THA) using Metha short hip stems showed superior clinical and radiographic outcomes compared to conventional cementless stems. This suggests short stems are a viable option for younger patients needing future THA re-implantation.

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Area of Science:

  • Orthopedic surgery
  • Biomedical engineering
  • Materials science

Background:

  • Total hip arthroplasty (THA) aims to restore joint function.
  • Short hip stems are designed to preserve bone and improve biomechanics.
  • Conventional cementless stems are widely used but may have limitations.

Purpose of the Study:

  • To evaluate clinical and radiographic outcomes of Metha short hip stems in THA.
  • To compare Metha short hip stem outcomes with conventional cementless stems.

Main Methods:

  • Retrospective evaluation of 30 Metha stems and 30 Biocontact stems.
  • Clinical assessment using Harris hip score and Visual Analogue Scale (VAS) for pain.
  • Radiographic evaluation for osteointegration, subsidence, and stress shielding.

Main Results:

  • Metha group showed significantly better post-operative Harris hip scores and VAS pain scores than the Biocontact group.
  • All stems demonstrated good osteointegration.
  • Fewer complications like subsidence and stress shielding were observed with Metha stems.

Conclusions:

  • Short hip stems achieve adequate osteointegration without diaphyseal fixation.
  • Metha short hip stems offer better short- and mid-term clinical results than conventional stems.
  • Recommended for younger patients with good bone quality anticipating future THA revision.