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Related Concept Videos

Fractures: Bone Repair01:27

Fractures: Bone Repair

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Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the...
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Related Experiment Video

Updated: Oct 6, 2025

Improved Methodology for Studying Postnatal Osteogenesis via Intramembranous Ossification in a Murine Bone Marrow Injury Model
05:10

Improved Methodology for Studying Postnatal Osteogenesis via Intramembranous Ossification in a Murine Bone Marrow Injury Model

Published on: February 7, 2025

492

Rescue technique for trapped bone needle in cement cast.

Alexandru Dimancea1,2, Kevin Premat3, Eimad Shotar4

  • 1Neuroradiology, Hopital Universitaire Pitie Salpetriere, Paris, France alexandruandreidimancea@gmail.com.

Journal of Neurointerventional Surgery
|January 20, 2022
PubMed
Summary

Avascular necrosis, a complication of vertebral fractures, can be treated with vertebroplasty. This video details a case where the bone needle became trapped during cement casting, and describes techniques to prevent this complication.

Keywords:
LumbosacralMRISpineTechnique

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Area of Science:

  • Orthopedics
  • Neurosurgery
  • Radiology

Background:

  • Avascular necrosis, also known as Kummel disease, is a rare complication following vertebral compression fractures, characterized by intravertebral cavities.
  • Percutaneous vertebroplasty is a minimally invasive procedure offering pain relief and spinal stability for patients with avascular necrosis.

Observation:

  • This technical video presents a case of a percutaneous vertebroplasty in an osteoporotic patient with avascular necrosis, complicated by bone needle entrapment within the intravertebral cement.
  • Two sequential methods were employed to successfully retrieve the entrapped bone needle.

Findings:

  • Successful retrieval of the bone needle was achieved by employing specific technical maneuvers.
  • Key procedural elements identified as crucial for success include controlled injection speed, quasi-filling of the vertebral cavity, and consistent bone needle rotation.

Implications:

  • Optimizing these technical parameters during vertebroplasty may prevent bone needle entrapment in patients with avascular necrosis.
  • This case highlights potential technical challenges in vertebroplasty for avascular necrosis and offers solutions for procedural success.