A Novel Two-Step Method for Converting Lumbar Cortical Screw to Pedicle Screw: A Case Report.

Muzyka, Logan; Shah, Darsh S; Koltz, Michael T

Muzyka, Logan; Shah, Darsh S; Koltz, Michael T.

Afiliación

Muzyka L; Department of Neurosurgery, Dell Medical School at The University of Texas at Austin, Austin, USA.
Shah DS; Department of Neurosurgery, University of Texas Medical Branch, Galveston, USA.
Koltz MT; Department of Neurosurgery, Dell Medical School at The University of Texas at Austin, Austin, USA.

Cureus ; 16(5): e61454, 2024 May.

Article en En | MEDLINE | ID: mdl-38947664

ABSTRACT

ABSTRACT

The cortical bone trajectory (CBT) technique has emerged as a minimally invasive approach for lumbar fusion but may result in pseudoarthrosis and hardware failure. This report presents a case of successful pedicle screw revision in a patient with previous failed L2 and L3 fusion using a novel "two-step" technique, including (1) drilling a new trajectory with Medtronic EM800N Stealth MIDAS Navigated MR8 drill system (Medtronic, Dublin, Ireland) and (2) placement of Solera 4.75 ATS (awl-tapped screws) with navigated POWEREASE™ (Medtronic), described here for the first time. This method involves utilizing neuronavigation and specialized instruments to safely place pedicle screws through the path of the old cortical screw trajectory, addressing the challenges associated with CBT hardware failure.

Palabras clave

case report; cortical bone trajectory; neuronavigation; new technologies in neurosurgery; new technology in spine surgery; operative technique; pedicle screw; spine revision; spine surgery

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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Cureus Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos

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