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Research ArticleNew Technology
Open Access

Minimally Invasive Lumbar Interbody Fusion With an Expandable Meshed Allograft Containment Device: Analysis of Subsidence With 12-Month Minimum Follow-Up

JOHN PAUL G. KOLCUN, GEORGE M. GHOBRIAL, KENNETH M. CRANDALL, KEN HSUAN-KAN CHANG, GIACOMO PACCHIAROTTI and MICHAEL Y. WANG
International Journal of Spine Surgery August 2019, 13 (4) 321-328; DOI: https://doi.org/10.14444/6044
JOHN PAUL G. KOLCUN
1Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, Florida
MD
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GEORGE M. GHOBRIAL
1Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, Florida
MD
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KENNETH M. CRANDALL
1Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, Florida
MD
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KEN HSUAN-KAN CHANG
2Department of Neurological Surgery, National Yang-Ming University School of Medicine, Taipei, Taiwan
MD
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GIACOMO PACCHIAROTTI
3Institute of Neurosurgery, University of Rome “La Sapienza,” Rome, Italy
MS
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MICHAEL Y. WANG
1Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, Florida
MD
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  • Figure 1
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    Figure 1

    Model of the OptiMesh expandable mesh allograft containment device, shown empty (loaded onto applicator) and expanded (filled with allograft).

  • Figure 2
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    Figure 2

    Illustration of x-ray measurements, showing lumbar Cobb angle (A), lumbar lordosis (B1), neuroforamen height (B2), posterior disc height (B3), anterior disc height (B4), anterolisthesis (B5), and postoperative interbody angle (C).

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    Figure 3

    Representative lateral lumbar x-ray sequence in a single patient, showing preoperative (A), postoperative (B), and long-term follow-up (C) images. Note the changes in disc and neuroforaminal height: a marked increase from A to B, and slight decrease from B to C.

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    Figure 4

    Total population radiographic findings. Disc space and neuroforamen height (both in mm) shown at baseline, postoperative, and final follow-up.

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    Figure 5

    Subgroup radiographic findings. Average disc height (mm) shown at baseline, postoperative, and final follow-up. There were no significant differences in disc height or subsidence between 1- and 2-level patients.

  • Figure 6
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    Figure 6

    Subgroup radiographic findings. Neuroforamen height (mm) shown at baseline, postoperative, and final follow-up. There were no significant differences in neuroforaminal height or subsidence between 1- and 2-level patients.

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International Journal of Spine Surgery
Vol. 13, Issue 4
1 Aug 2019
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Minimally Invasive Lumbar Interbody Fusion With an Expandable Meshed Allograft Containment Device: Analysis of Subsidence With 12-Month Minimum Follow-Up
JOHN PAUL G. KOLCUN, GEORGE M. GHOBRIAL, KENNETH M. CRANDALL, KEN HSUAN-KAN CHANG, GIACOMO PACCHIAROTTI, MICHAEL Y. WANG
International Journal of Spine Surgery Aug 2019, 13 (4) 321-328; DOI: 10.14444/6044

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Minimally Invasive Lumbar Interbody Fusion With an Expandable Meshed Allograft Containment Device: Analysis of Subsidence With 12-Month Minimum Follow-Up
JOHN PAUL G. KOLCUN, GEORGE M. GHOBRIAL, KENNETH M. CRANDALL, KEN HSUAN-KAN CHANG, GIACOMO PACCHIAROTTI, MICHAEL Y. WANG
International Journal of Spine Surgery Aug 2019, 13 (4) 321-328; DOI: 10.14444/6044
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Keywords

  • lumbar interbody fusion
  • transforaminal lumbar interbody fusion
  • minimally invasive surgery
  • interbody device
  • subside

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