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Research ArticleLumbar Spine

Radius of Curvature in Patient-Specific Short Rod Constructs Versus Standard Pre-Bent Rods

KATHERINE BRANCHE, RAHWA NETSANET, ANDRIY NOSHCHENKO, EVALINA BURGER, VIKAS PATEL, DAVID OU-YANG and CHRISTOPHER J. KLECK
International Journal of Spine Surgery December 2020, 14 (6) 944-948; DOI: https://doi.org/10.14444/7143
KATHERINE BRANCHE
Department of Orthopedics, University of Colorado, Anschutz Medical Campus, Aurora, Colorado
BS
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RAHWA NETSANET
Department of Orthopedics, University of Colorado, Anschutz Medical Campus, Aurora, Colorado
BS
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ANDRIY NOSHCHENKO
Department of Orthopedics, University of Colorado, Anschutz Medical Campus, Aurora, Colorado
PHD
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EVALINA BURGER
Department of Orthopedics, University of Colorado, Anschutz Medical Campus, Aurora, Colorado
MD
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VIKAS PATEL
Department of Orthopedics, University of Colorado, Anschutz Medical Campus, Aurora, Colorado
MD
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DAVID OU-YANG
Department of Orthopedics, University of Colorado, Anschutz Medical Campus, Aurora, Colorado
MD
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CHRISTOPHER J. KLECK
Department of Orthopedics, University of Colorado, Anschutz Medical Campus, Aurora, Colorado
MD
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  • Figure 1
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    Figure 1

    A PSSR (patient-specific spine rod) and a standard prebent rod side by side on a sterile field.

  • Figure 2
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    Figure 2

    An AP x-ray of the placement of PSSR (patient-specific spine rod) shown 12 months postoperatively from a L4-LF PSF with ALIF (anterior lumbar interbody fusion cages).

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    Figure 3

    A lateral x-ray of the placement of PSSR (patient-specific spine rod) shown 12 months postoperatively from a L4-LF PSF with ALIF (anterior lumbar interbody fusion cages).

  • Figure 4
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    Figure 4

    The image demonstrates how a different radius changes the curvature of the circle and therefore the rod.

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    Figure 5

    Example of simulated plan on lateral x-ray image based on preoperative spinopelvic parameters and postoperative alignment goals.

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International Journal of Spine Surgery
Vol. 14, Issue 6
1 Dec 2020
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Radius of Curvature in Patient-Specific Short Rod Constructs Versus Standard Pre-Bent Rods
KATHERINE BRANCHE, RAHWA NETSANET, ANDRIY NOSHCHENKO, EVALINA BURGER, VIKAS PATEL, DAVID OU-YANG, CHRISTOPHER J. KLECK
International Journal of Spine Surgery Dec 2020, 14 (6) 944-948; DOI: 10.14444/7143

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Radius of Curvature in Patient-Specific Short Rod Constructs Versus Standard Pre-Bent Rods
KATHERINE BRANCHE, RAHWA NETSANET, ANDRIY NOSHCHENKO, EVALINA BURGER, VIKAS PATEL, DAVID OU-YANG, CHRISTOPHER J. KLECK
International Journal of Spine Surgery Dec 2020, 14 (6) 944-948; DOI: 10.14444/7143
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  • Segmental Lordosis and Disc Height Discrepancies in Lateral Lumbar Interbody Fusion Using Expandable Cages
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Keywords

  • lumbar lordosis
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