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A346 Copyright held by the American Association of Neurological Surgeons. You may not sell, republish, or systematically distribute any published materials without written permission from JNSPG. 2014 Introduction The long-term consequences of atlantoaxial and occipitocervical fusions in young children are unknown. We present a multi-institutional study to determine the long-term effects of these surgeries on the growth and alignment of the maturing spine

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Sandi K. Lam, Christina Sayama, Dominic A. Harris, Valentina Briceño, Thomas G. Luerssen and Andrew Jea

morphogenetic protein for salvage fusion in an infant with Down syndrome and craniovertebral instability. Case report . J Neurosurg 106 : 6 Suppl 480 – 483 , 2007 38 Meyer RA Jr , Gruber HE , Howard BA , Tabor OB Jr , Murakami T , Kwiatkowski TC , : Safety of recombinant human bone morphogenetic protein-2 after spinal laminectomy in the dog . Spine (Phila Pa 1976) 24 : 747 – 754 , 1999 39 Muscal E , Satyan KB , Jea A : Atlantoaxial subluxation as an early manifestation in an adolescent with undifferentiated spondyloarthritis: a case

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Meng Huang, David D. Gonda, Valentina Briceño, Sandi K. Lam, Thomas G. Luerssen and Andrew Jea

70, M RA NA Extended 4.75 Yes Dysphagia 3 61, F RA Oc-C3 fusion Neutral 2.75 No Prolonged intubation 4 63, F Epidural tumor Oc-C4 fusion Flexed 6.7 Yes Dysphagia persisted 5 69, M RA NA NA 4.6 No Tracheostomy, dysphagia persisted 6 77, F RA, atlantoaxial subluxation Oc-C2 fusion Flexed (−18°) 4.9 Yes Dyspnea resolved after revision, dysphagia persisted 7 78, F Atlantoaxial osteoarthritis, occipitalization of C-1 Oc-C3 fusion Flexed (−14°) NA NA Dysphagia

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Christina Sayama, Caroline Hadley, Gina N. Monaco, Anish Sen, Alison Brayton, Valentina Briceño, Brandon H. Tran, Sheila L. Ryan, Thomas G. Luerssen, Daniel Fulkerson and Andrew Jea

unlimited quantity and immediate availability of rhBMP-2 make it useful in certain pediatric spine applications, although its cost may be prohibitive in some circumstances. Previous studies of pediatric occipitocervical and atlantoaxial constructs had reported much higher fusion rates (around 98% to 100%). 7 , 11 , 13 , 16 In recent comparisons of fusion rates following occcipitocervical and atlantoaxial instrumented fusion using a large clinical series and administrative data sets, Mazur et al. 15 and Hankinson et al., respectively, reported higher rates of fusion

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Christina Sayama, Matthew Willsey, Murali Chintagumpala, Alison Brayton, Valentina Briceño, Sheila L. Ryan, Thomas G. Luerssen, Steven W. Hwang and Andrew Jea

of occipitocervical wound w/ irrigation & debridement & by placement of BMP & new bone graft 24 Morselized cancellous allograft, local autograft, iliac crest harvest 61 No Transverse myelitis resulting in complete thoracic-level paraplegia 14 13 yrs, 5 mos, F H/O severe TBI; progr neuromusc scoliosis T4–lium PIF 12 Morselized cancellous allograft 59 No None 15 10 yrs, 6 mos, M Atlantoaxial instability; os terminale persistens C1–2 PIF 8.4 Morselized cancellous allograft 55 No Superficial wound cellulitis 16 16

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Aditya Vedantam, Daniel Hansen, Valentina Briceño, Alison Brayton and Andrew Jea

craniovertebral junction pathology. The aim of the present study was to perform an assessment of surgical interventions in a series of children with craniovertebral junction pathology, with an emphasis on measuring PROs and HRQOL outcomes. Methods We reviewed all consecutive patients (age ≤ 18 years) who underwent occipitocervical or atlantoaxial fusion performed by the pediatric neurosurgery service at Texas Children's Hospital from 2008 to 2015. This study received approval from the Baylor College of Medicine Institutional Review Board. All patients underwent

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Guillermo Aldave, Daniel Hansen, Steven W. Hwang, Amee Moreno, Valentina Briceño and Andrew Jea

buckling: a cadaveric study . J Neurosurg Spine 23 : 120 – 127 , 2015 10.3171/2014.11.SPINE14877 31 Sayama C , Hadley C , Monaco GN , Sen A , Brayton A , Briceño V , : The efficacy of routine use of recombinant human bone morphogenetic protein-2 in occipitocervical and atlantoaxial fusions of the pediatric spine: a minimum of 12 months' follow-up with computed tomography . J Neurosurg Pediatr 16 : 14 – 20 , 2015 10.3171/2015.2.PEDS14533 25860982 32 Sayama C , Willsey M , Chintagumpala M , Brayton A , Briceño V , Ryan SL