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Murine Cervical Aortic Transplantation Model using a Modified Non-Suture Cuff Technique
Published on: November 2, 2019
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Cervical Open-Door Laminoplasty by Hydroxyapatite Implant Insertion Without Suturing
Yoshifumi Kawanabe1, Motoaki Fujimoto1, Tsukasa Sato1
1Department of Neurosurgery, Shizuoka General Hospital, Shizuoka, Japan.
Neurospine
|December 12, 2018
Summary
Cervical open-door laminoplasty using hydroxyapatite implants without sutures is effective, showing improved neurological function and minimal complications. This technique reduces surgical time and lateral mass exposure, challenging the need for firm fixation.
Area of Science:
- Neurosurgery
- Orthopedic Surgery
- Spinal Surgery
Background:
- Cervical open-door laminoplasty is a common procedure for spinal cord decompression.
- Traditional methods often involve suturing implants, potentially increasing surgical time and risk of injury.
Purpose of the Study:
- To evaluate the efficacy of cervical open-door laminoplasty using hydroxyapatite implants without sutures.
- To assess surgical time, neurological outcomes, cervical spine alignment, and postoperative pain.
Main Methods:
- Retrospective analysis of 324 patients undergoing cervical open-door laminoplasty with C2/C7 undermining and C3-C6 hydroxyapatite implant insertion.
- Evaluation of surgical time, Japanese Orthopaedic Association (JOA) scores, C2-7 angle, and visual analogue scale (VAS) scores.
Main Results:
- Average surgical time was 86 minutes.
- No hydroxyapatite implant dislocations were detected at 1-year follow-up.
- The average JOA score improved from 10.2 to 14.6, with a 61.8% recovery rate.
Conclusions:
- Cervical open-door laminoplasty with hydroxyapatite implants without sutures is a safe and effective technique.
- It minimizes lateral mass and dural injury while reducing surgical time.
- The necessity of firm suture fixation for spacer stability may require re-evaluation.
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