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Update on the Cloward procedure: new instruments

J M Otero Vich1

  • 1Neurosurgery Service, Hospital Xeral, Vigo, Spain.

Journal of Neurosurgery
|November 1, 1994
PubMed
Summary

This study modified the Cloward technique for anterior cervical spine surgery, achieving high fusion rates in 283 patients with cervical spondylosis or disc herniation.

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Anterior cervical interbody fusion with threaded cylindrical bone.

Journal of neurosurgery·1985
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Area of Science:

  • Neurosurgery
  • Orthopedic Surgery
  • Spinal Fusion Techniques

Background:

  • Cervical spine pathologies like spondylosis and herniated discs often require surgical intervention.
  • Anterior approaches and intersomatic arthrodesis are established methods for treating cervical spine conditions.
  • The Cloward technique is a recognized surgical procedure for cervical interbody fusion.

Purpose of the Study:

  • To evaluate the efficacy of a modified Cloward technique using threaded bone grafts and new instrumentation for anterior cervical spine fusion.
  • To assess fusion rates and outcomes in patients undergoing surgery for cervical spondylosis, herniated disc, or traumatic cervical spine pathology.

Main Methods:

  • A series of 283 patients underwent anterior cervical spine surgery with intersomatic arthrodesis in 350 cases.
  • A modified Cloward technique was employed, utilizing threaded bone grafts inserted into intervertebral orifices.
  • New instruments, including a low-speed motor with drills/trephines and specialized retractors, were introduced.

Main Results:

  • Fusion was achieved within 6 months in 93% of cases using autologous grafts (92 cases).
  • Fusion was achieved within 6 months in 81% of cases using heterologous grafts (258 cases).
  • The modified technique and instrumentation facilitated the surgical procedure.

Conclusions:

  • The modified Cloward technique with threaded bone grafts and novel instruments demonstrates high fusion rates in anterior cervical spine surgery.
  • This approach is effective for treating various cervical spine pathologies, including spondylosis, herniated discs, and trauma.
  • The study highlights the successful application of modified surgical techniques and instrumentation in achieving spinal fusion.

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