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Related Concept Videos

Vertebral Column: Regions and Curvature01:16

Vertebral Column: Regions and Curvature

11.5K
The vertebral column or spine is a flexible column that supports the head, neck, and body and  allows for their movements. It also protects the spinal cord.
Regions of the Vertebral Column
In an adult, the spine is subdivided into five regions: the cervical, the thoracic, the lumbar, the sacral, and the coccygeal region. The spine initially develops as a series of 33 vertebrae; after 20 years of age, the nine bones in the sacral region, five sacral, and four coccygeal bones fuse to form...
11.5K

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Related Experiment Video

Updated: Mar 27, 2026

Modified Posterior Vertebral Column Resection for Patients with Thoracolumbar Kyphotic Deformity
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Modified Posterior Vertebral Column Resection for Patients with Thoracolumbar Kyphotic Deformity

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[Spinal column: implants and revisions].

S M Krieg1, H S Meyer1, B Meyer2

  • 1Neurochirurgische Klinik und Poliklinik, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, 81675, München, Deutschland.

Der Chirurg; Zeitschrift Fur Alle Gebiete Der Operativen Medizen
|January 19, 2016
PubMed
Summary
This summary is machine-generated.

Non-fusion spinal implants aim to minimize fusion surgery risks like blood loss and adjacent segment disease using dynamic approaches. Further evidence on surgical indications is needed due to ongoing high revision rates.

Keywords:
ComplicationsImplantsLumbar spineSpinal stenosisSpondylodesis

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Area of Science:

  • Spine surgery
  • Orthopedic implants
  • Biomedical engineering

Background:

  • Spinal fusion surgery carries significant risks including prolonged surgery, substantial blood loss, and adjacent segment disease.
  • Non-fusion spinal implants offer dynamic, movement-preserving alternatives to traditional fusion.
  • Examples include interspinous spacers, total disc replacement (cervical and lumbar), and dynamic stabilization systems.

Purpose of the Study:

  • To evaluate the effectiveness of non-fusion spinal implants in reducing surgical complications.
  • To highlight the importance of evidence-based indications for non-fusion spinal implant surgery.
  • To address the high rate of revision surgery associated with current non-fusion techniques.

Main Methods:

  • Review of existing literature on non-fusion spinal implant technologies.
  • Analysis of complication rates compared to traditional spinal fusion.
  • Assessment of evidence supporting indications for dynamic stabilization and disc replacement.

Main Results:

  • Non-fusion implants demonstrate potential in mitigating risks associated with spinal fusion.
  • Despite advancements, a high rate of revision surgery persists, indicating suboptimal patient selection or device performance.
  • The principle of movement preservation is supported by various implant designs.

Conclusions:

  • Non-fusion spinal implants offer a promising alternative to fusion, potentially reducing surgical morbidity.
  • Further research and robust clinical evidence are crucial to refine indications for these devices.
  • Addressing the high revision surgery rate is paramount for the successful clinical integration of non-fusion technologies.