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Temporary Internal Distraction with MAGEC Rod in Severe Kyphoscoliosis

This case report discusses the use of Magnetically Controlled Growing Rod (MCGR) as a temporary internal distraction rod in a severe kyphoscoliosis patient. The gradual correction with halo-traction and MCGR placement aided in safe and effective deformity correction. References support the efficacy and safety of this approach for severe spinal deformities.

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Temporary Internal Distraction with MAGEC Rod in Severe Kyphoscoliosis

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  1. The Use of MAGEC Growing Rods as a temporary distraction rod in Severe Kyphoscoliosis: A Case Report. John T. Smith, MD Mary Scowcroft Perry Presidential Endowed Chair of Orthopaedics Professor University of Utah Department of Orthopaedics Chief, Scoliosis Service Primary Children’s Hospital Salt Lake City, UT Jessica Morgan University of Utah Department of Orthopaedics Primary Children’s Hospital

  2. Disclosures JT Smith: Consultant: Depuy-Synthes, SpineGuard; Globus; Biomet,; Ellipse BOD: CSF J Morgan: none

  3. Initial Visit • 11 +/- 2 year old female • Severe kyphoscoliosis measuring >135° • MRI showing no abnormalities of the spinal cord • Adopted from an Ethopian Refugee Camp

  4. Initial Visit: clinical appearance

  5. First radiographs; Kyphoscoliosis >150°

  6. Management plan • Through clinical evaluation for co-morbidities • Placement of halo • Progressive halo-gravity traction • Pulmonary rehab in halo • Planned placement of Magnetically Coontrolled Growing Rod (MCGR) for continued outpatient expansion for 6 months

  7. Radiograph after 4 weeks of progressive Halo-Traction

  8. Initial Placement of MCGR and halo removal

  9. 4 distractions over 6 months

  10. Post-op definitive fusion after removal of MCGR

  11. Discussion • Gradual correction of severe scoliosis can be accomplished safely over time using halo-traction • The MCGR can be used as a form of a temporary internal distraction rod in severe deformities • Gradual distraction made defnitive instrumentation and fusion easier and safer than a VCR

  12. References • Sponseller P.D., Takenaga, R.K., Netown, P., et al. (2008). The use of traction in the treatment of severe spinal deformity. Spine 2008; 33: 2305-9. • Buchowski, J.M., Bhatnagar, R., Skaggs, D.L., Sponseller, P.D., Temporary internal distraction as an aid to correction of severe scoliosis. J Bone Joint Surg Am 2006;88:2035-41. • Cheung, J.P., Samartzis, D., & Cheung, K.M. (January 20, 2014). A novel approach to gradual correction of severe spinal deformity in a pediatric patient using the magnetically-controlled growing rod. The Spine Journal 14 (2014) e7-e13.

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