Can Surgical Innovation Decrease Operative Time, Surgeon Variability and Surgical Morbidity in AIS Surgery? A Study of Operative Efficiency

Lonner, Baron S.; Ren, Yuan; Kassin, Gabrielle

doi:10.1016/j.spinee.2016.07.501

Cited by 1 publication

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“…It may be beneficial in educating resident and fellowship trainees by taking advantage of the TP trajectory as a guide into the pedicle without expensive and cumbersome image guidance techniques. [30][31][32][33][34][35]…”

Section: Discussionmentioning

confidence: 99%

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

Lonner

Verma²,

Roonprapunt

et al. 2021

Int J Spine Surg

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Background: This study evaluates the accuracy, biomechanical profile, and learning curve of the transverse process trajectory technique (TPT) compared to the straightforward (SF) and in-out-in (IOI) techniques. SF and IOI have been used for fixation in the thoracic spine. Although widely used, there are associated learning curves and symptomatic pedicular breaches. We have found the transverse process to be a reproducible pathway into the pedicle.Methods: Three surgeons with varying experience (experienced [E] with 20 years in practice, surgeon [S] with less than 10 years in practice, and senior resident trainee [T] with no experience with TPT) operated on 8 cadavers. In phase 1, each surgeon instrumented 2 cadavers, alternating between TPT and SF from T1 to T12 (n ¼ 48 total levels). In phase 2, the E and T surgeons instrumented 1 cadaver each, alternating between TPT and IOI. Computed tomography scans were analyzed for accuracy of screw placement, defined as the percentage of placements without critical breaches. Axial pullout and derotational force testing were performed. Statistical analyses include paired t test and analysis of variance with Tukey correction.Results: Overall accuracy of screw placement was comparable between techniques

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Section: Discussionmentioning

confidence: 99%