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Cranial Bones: Superior and Posterior View01:14

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The superior view of the cranium shows the frontal and paired parietal bones.
The frontal bone is the single bone that forms the forehead. At its anterior midline, between the eyebrows, there is a slight depression called the glabella. The frontal bone also forms the supraorbital margin of the orbit. Near the middle of this margin is the supraorbital foramen, the opening that provides passage for a sensory nerve to the forehead. The frontal bone is thickened just above each supraorbital margin,...
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Related Experiment Video

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Author Spotlight: Double Posteromedial Approach for Treating Posterior Cruciate Ligament Cysts
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Posterior Arthroscopic Subtalar Arthrodesis.

Bernhard Devos Bevernage1, Laurent Goubau1, Paul-André Deleu1

  • 1Foot & Ankle Institute, Brussels, Belgium E-mail address for B. Devos Bevernage: bdevosb@hotmail.com E-mail address for L. Goubau: laurent.goubau@gmail.com E-mail address for P.-A. Deleu: pa.deleu@gmail.com E-mail address for V. Gombault: gombault@footandankleinstitute.be E-mail address for P. Maldague: drpierremaldague@gmail.com E-mail address for T. Leemrijse: thibaut.leemrijse@gmail.com.

JBJS Essential Surgical Techniques
|November 9, 2018
PubMed
Summary

Posterior arthroscopic subtalar arthrodesis offers technical advantages for treating isolated subtalar arthritis. This minimally invasive technique demonstrates high fusion rates, making it an effective option for hindfoot reconstruction.

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Area of Science:

  • Orthopedic Surgery
  • Foot and Ankle Surgery
  • Arthroscopy

Background:

  • Subtalar joint arthrodesis can be performed via open or arthroscopic methods.
  • Posterior arthroscopic subtalar arthrodesis presents distinct technical advantages over alternative approaches.

Purpose of the Study:

  • To detail the technical aspects and outcomes of posterior arthroscopic subtalar arthrodesis.
  • To evaluate the efficacy of this minimally invasive technique for treating isolated subtalar arthritis and talocalcaneal coalition.

Main Methods:

  • The procedure involves specific portal placements (posterolateral and posteromedial) for arthroscopic access.
  • Key steps include debridement, microfracturing of the posterior facet, and fixation with cannulated screws.
  • An optional bone graft can be utilized for enhanced fusion.

Main Results:

  • A study of 41 cases (25 men, 16 women) treated between 2007-2012 showed high radiographic fusion rates.
  • All but two subtalar joints achieved fusion at the first attempt, with an average fusion time of 6.7 weeks.
  • The procedure effectively addressed isolated subtalar arthritis and talocalcaneal coalition without other hindfoot arthritis.

Conclusions:

  • Posterior arthroscopic subtalar arthrodesis is a technically advantageous and effective procedure for isolated subtalar joint pathology.
  • The technique offers high fusion rates and can address concomitant posterior ankle impingement issues.
  • This arthroscopic approach provides a viable alternative for hindfoot reconstruction requiring subtalar fusion.