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Research ArticleBiomechanics

The Transverse Process Trajectory Technique: An Alternative for Thoracic Pedicle Screw Implantation—Radiographic and Biomechanical Analysis

Baron Lonner, Kushagra Verma, Chanland Roonprapunt, Yuan Ren, Casey A. Slattery, Ahmet Alanay, Gabrielle Kassin, Andrea Castillo, Mohamad Bazerbashi, Mark A. Buehler, Manoj K. Kodigudla, Amey V. Kelkar, Hassan Serhan and Vijay Goel
International Journal of Spine Surgery April 2021, 15 (2) 315-323; DOI: https://doi.org/10.14444/8041
Baron Lonner
1Mount Sinai Hospital, New York, New York
MD
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Kushagra Verma
2Verma Spine, Los Alamitos, California
MD, MS
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Chanland Roonprapunt
1Mount Sinai Hospital, New York, New York
MD, PHD
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Yuan Ren
1Mount Sinai Hospital, New York, New York
PHD
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Casey A. Slattery
3University of New Mexico Hospital, Albuquerque, New Mexico
MD
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Ahmet Alanay
4Department of Orthopaedics and Traumatology, Acibadem University School of Medicine, Istanbul, Turkey
MD
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Gabrielle Kassin
1Mount Sinai Hospital, New York, New York
BS
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Andrea Castillo
1Mount Sinai Hospital, New York, New York
BS
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Mohamad Bazerbashi
5University of Toledo, Toledo, Ohio
MD
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Mark A. Buehler
5University of Toledo, Toledo, Ohio
MD
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Manoj K. Kodigudla
5University of Toledo, Toledo, Ohio
MS
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Amey V. Kelkar
5University of Toledo, Toledo, Ohio
MS
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Hassan Serhan
6DePuy Synthes Spine, Inc, Raynham, Massachusetts
PHD
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Vijay Goel
5University of Toledo, Toledo, Ohio
PHD
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    Figure 1

    Starting points for straightforward, funnel, and in-out-in techniques.

  • Figure 2
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    Figure 2

    Trajectory for the transverse process trajectory technique in red.

  • Figure 3
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    Figure 3

    Illustration of (a) transverse process trajectory (TPT), straightforward (SF), and in-out-in (IOI) techniques; (b) axial CT cuts comparing TPT and SF and; (c) IOI and TPT trajectories; (d) coronal CT comparing SF and TPT; and (e) TPT trajectory in axial, coronal, and sagittal planes.

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    Figure 4

    Photograph of an MTS actuator set-up for testing (a) axial pull-out strength and (b) rotational forces.

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International Journal of Spine Surgery
Vol. 15, Issue 2
1 Apr 2021
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The Transverse Process Trajectory Technique: An Alternative for Thoracic Pedicle Screw Implantation—Radiographic and Biomechanical Analysis
Baron Lonner, Kushagra Verma, Chanland Roonprapunt, Yuan Ren, Casey A. Slattery, Ahmet Alanay, Gabrielle Kassin, Andrea Castillo, Mohamad Bazerbashi, Mark A. Buehler, Manoj K. Kodigudla, Amey V. Kelkar, Hassan Serhan, Vijay Goel
International Journal of Spine Surgery Apr 2021, 15 (2) 315-323; DOI: 10.14444/8041

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The Transverse Process Trajectory Technique: An Alternative for Thoracic Pedicle Screw Implantation—Radiographic and Biomechanical Analysis
Baron Lonner, Kushagra Verma, Chanland Roonprapunt, Yuan Ren, Casey A. Slattery, Ahmet Alanay, Gabrielle Kassin, Andrea Castillo, Mohamad Bazerbashi, Mark A. Buehler, Manoj K. Kodigudla, Amey V. Kelkar, Hassan Serhan, Vijay Goel
International Journal of Spine Surgery Apr 2021, 15 (2) 315-323; DOI: 10.14444/8041
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Keywords

  • thoracic pedicle screw implantation
  • transverse process trajectory technique
  • instrumentation
  • thoracic spinal deformities
  • biomechanical characteristics
  • screw placement
  • accuracy of placement
  • reproducibility
  • spine surgeon learning curve

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