Construct-construct "rail technique" decreases screw strain during spinal deformity corrective maneuvers across a thoracic vertebral column resection: a cadaveric analysis.

Alekos A Theologis¹, Jason DePhillips², Izabella T Lachcik², Jonathan M Mahoney², Brandon S Bucklen²

¹Department of Orthopaedic Surgery, University of California - San Francisco (UCSF), 500 Parnassus Ave, MUW 3Rd Floor, San Francisco, CA, 94143, USA. alekos.theologis@ucsf.edu.

²Scientific Affairs, Globus Medical Inc, Audubon, PA, USA.

PubMed PMC DOI PDF

Abstract

PURPOSE: To biomechanically compare screw strains above and below a vertebral column resection (VCR) during segmental compression (SC) and cantilever bending (CB) performed via traditional methods and a novel, construct-to-construct accessory rod ("rail") technique. METHODS: Eight cadaveric torsos underwent a VCR with 250 kyphosis at T8 with pedicle screws implanted three levels above and below t…

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