Program for the 2014 Annual Meeting of The American Society of Pediatric Neurosurgeons

37th Annual Meeting of The American Society of Pediatric Neurosurgeons January 26–31, 2014, Four Seasons Resort, Costa Rica

Scientific Program

Monday, January 27 Breakfast for Registered Physicians: 6:45 am–7:20 am Opening Remarks: 7:20 am–7:30 am Symposium I: Pediatric Neurosurgery Training and The Hospital: 7:30 am–9:00 am

Moderator: Rick Abbott, M.D. What Defines a Pediatric Surgery Center? 7:30 am–7:34 am Speaker: Bruce A. Kaufman, M.D. Discussion: 7:35 am–7:55 am 7:55 am–7:59 am. Do Hospitalists Help or Hinder Pediatric Neurosurgical Training? Jeffrey Leonard, M.D., St. Louis, MO Discussion: 8:00 am–8:20 am

8:20 am–8:34 am. Origins of the ASPN, the American Board of Pediatric Neurosurgery, and the Specialty of Pediatric Neurosurgery: A Behind the Scenes Look. Marion L. Walker, M.D., Salt Lake City, UT 8:35 am–8:49 am. Bibliometrics for Pediatric Neurosurgeons in North America. Paul Klimo Jr., M.D., M.P.H., Memphis, TN Discussion: 8:50 am–9:00 am

Beverage Break: 9:00 am–9:15 am Symposium II: Pediatric Neurosurgical Education in Evolution: 9:15 am–10:30 am

Moderator: Timothy B. Mapstone, M.D. Congress Still Loves Kids: Progress on Pediatric Legislation: 9:15 am–9:29 am Speaker: Katie Orrico, J.D. Should American Pediatric Neurosurgery Embrace Infolded Fellowships? 9:30 am–9:44 am Speaker: Frederick A. Boop, M.D.

11:15 am–11:29 am. Effect of Reoperation(s) on Recurrent Glioblastoma in Pediatric Patients. Mark D. Krieger, M.D., Los Angeles, CA 11:30 am–11:44 am. Combined Anterior and Posterior Approach Vertebroplasty for an 11 Year Old Patient with an Axis Osteoblastoma: A Three-Year Follow-Up. Mauricio Munoz Martinez, M.D., El Salvador 11:45 am–11:59 am. MR Imaging for Distribution Assessments in Children Undergoing Direct Drug Delivery in the Brain Stem. Mark M. Souweidane, M.D., New York, NY 12:00 pm–12:14 pm. Late Recurrence of Dysembryoplastic Neuroepithelial Tumors. Mark Fedor, M.D., Los Angeles, CA Discussion: 12:15 pm – 12:30 pm

Tuesday, January 28 Breakfast for Registered Physicians: 6:45 am–7:30 am Symposium III: Global Education of Pediatric Neurosurgeons: 7:30 am–9:00 am

Moderator: Thomas Moriarty, M.D. European Union? Paediatric Neurosurgical Training in Europe: 7:30 am–7:40 am Speaker: William Harkness, MBChB, FRCS Pediatric Neurosurgery in Costa Rica: 7:40 am–7:50 am Speaker: Adrian Caceres, M.D. Pediatric Neurosurgery in El Salvador: 7:50 am–8:00 am Mauricio Munoz Martinez, M.D. Discussion: 8:00 am–8:30 am 8:30 am–8:44 am. Development of a Synthetic Simulator for Neuroendoscopy–Validation and Performance Assessment. Will you have to “Fly” it to Maintain Competence? James M. Drake, M.D., Toronto, ON

Discussion: 8:45 am–8:59 am

Discussion: 9:45 am–10:30 am

Beverage Break: 9:00 am–9:15 am

Beverage Break: 10:30 am–10:45 am

Symposium IV: Hoffman Lectureship: 9:15 am–10:30 am

Scientific Session I: Brain Tumors: 10:45 am–12:30 pm

Moderator: Nalin Gupta, M.D., Ph.D. 10:45 am–10:59 am. Impact of Surgeon Experience on Outcomes of Craniopharyngioma Resection in Children: A Single Surgeon Experience of 116 Surgeries. Jeffrey H. Wisoff, M.D., New York, NY 11:00 am–11:14 am. Natural History of Subependymal Giant-Cell Astrocytomas in Childhood: A Radiographic Survey. Kurtis Auguste, M.D., San Francisco, CA J Neurosurg: Pediatrics / Volume 13 / March 2014

Moderator: Rick Abbott, M.D.

Harold and JoAnn Hoffman Lectureship: 9:15 am– 10:10 am

Ultimate Multi-tasking: Teaching, Supervising, and Assessing in the Operating Room. Debra A. DaRosa, Ph.D., Professor in Surgery and Medical Education, Chicago, IL

Discussion: 10:10 am–10:30 am


Program for the 2014 Annual Meeting of The American Society of Pediatric Neurosurgeons Beverage Break: 10:30 am–10:45 am Scientific Session II: Hydrocephalus: 10:45 am–12:30 pm

Moderator: Stephanie Greene, M.D. 10:45 am–10:59 am. “The Revolution Reservoir”: A CSF Shunt System that Prevents Proximal Obstruction by Autonomous Catheter Rotation. Matthew Smyth, M.D., St. Louis, MO 11:00 am–11:14 am. MRI Time-Spatial Labeling Inversion Pulse (Time-Slip) Findings to Support Possible Cerebrospinal Fluid (CSF) Olfactory Drainage in Humans. J. Gordon McComb, M.D., Los Angeles, CA 11:15 am–11:29 am. Ventriculoperitoneal Shunt Infection Rates: Implementation of a Uniform Protocol and Evaluation of Outcomes. Eric R. Trumble, M.D., Orlando, FL 11:30 am–11:44 am. Surgery for Obstructive NonTumoral Posterior Fossa Problems. Bermans J. Iskandar, M.D., Madison, WI 11:45 am–11:59 am. Is Lumbar Puncture a Reliable Measure of Intracranial Pressure? Gregory Hornig, M.D., Kansas City, MO 12:00 pm–12:14 pm. Management of Pediatric Arteriovenous Malformations: Multimodality Approaches. Saadi Ghatan, M.D., New York, NY 12:15 pm–12:30 pm. Long-term Effects of Rigid Instrumentation and Fusion at the Craniovertebral Junction in Young Children. Richard C. E. Anderson, M.D., New York, NY

Wednesday, January 29 Breakfast for Registered Physicians: 6:45 am–7:30 am Symposium V: Traumatic Brain Injury: 7:30 am–9:00 am

Moderator: Gerald Grant, M.D. Return to Play after Traumatic Brain Injury: 7:30 am– 7:40 am Speaker: David Gruber, M.D.

Discussion: 7:40 am–7:59 am

8:00 am–8:14 am. Symptom Experience and Quality of Life in Children Following Sport-Related Head injuries: The Concussion Research Project at Children’s Hospital of Eastern Ontario. Michael Vassilyadi, M.D., Ottawa, ON 8:15 am–8:29 am. Progress and Challenges in Modeling Infant Subdural Hematoma and Associated Brain Injury. Ann-Christine Duhaime, M.D., Boston, MA 8:30 am–8:44 am. The Utility of CTA in Pediatric Cranial Trauma. Robert Bollo, M.D., Salt Lake City, UT

Discussion: 8:45–9:00 am

Beverage Break: 9:00 am–9:15 am Symposium VI: Chiari I Malformation: 9:15 am–10:30 am

Moderator: Carolyn Carey, M.D.


Present Day Challenges and Future Prospects in Spina Bifida Care and Prevention: 9:15 am–9:25 am Speaker: Bermans J. Iskandar, M.D.

Discussion: 9:25 am–9:35 am

9:35 am–9:49 am. Management of Enlarging Syrinxes after Decompression for Chiari I Malformation. John S. Myseros, M.D., Washington, DC 9:50 am–10:04 am. Chiari I Malformation Presenting with Acute Spinal Cord Edema. Ruth Bristol, M.D., Phoenix, AZ 10:05 am–10:19 am. The Impact of Flexion and Extension on Morphometric Measurements at the Craniocervical Junction in Patients with Chiari I Malformation and Normal Controls. Hugh Garton, M.D., Ann Arbor, MI Discussion: 10:20 am–10:29 am

Beverage Break: 10:30 am–10:45 am Scientific Session III: Spinal Malformations: 10:45 am–12:00 pm

Moderator: John A. Duncan III, M.D., Ph.D. 10:45 am–10:59 am. Chiari I, a Subcategory of Craniocerebral Disproportion: Alleviation by Supratentorial Cranial Vault Expansion. Kathryn Beauchamp, M.D., Denver, CO 11:00 am–11:14 am. Clinical Importance of Neural Tissue Deformation in Type I Chiari Malformation. Mark G. Luciano, M.D., Ph.D., Cleveland, OH 11:15 am–11:29 am. Prevalence of Spinal Cord Tethering by MRI in Infants with Sacral Dimples. Brent O’Neill, M.D., Aurora, CO 11:30 am–11:44 am. Finite Element Modeling of the Pediatric Craniocervical Junction. Douglas L. Brockmeyer, M.D., Salt Lake City, UT Discussion: 11:45 am–11:59 am

Business Meeting: 12:00 pm–12:30 pm (open to ASPN members only)

Thursday, January 30 Breakfast for Registered Physicians: 6:45 am–7:30 am Symposium VII: Tumor: 7:30 am–9:00 am

Moderator: Ian F. Pollack, M.D. 7:30 am–7:44 am. BRAFv600E Mutations are Common in Brainstem Gangliogliomas. Michael Handler, M.D., Aurora, CO 7:45 am–7:59 am. Paradoxical Activation of BRAF Protein Kinase Fusions after RAF Inhibitor Administration and Potential New Targets. Phillip Storm, M.D., Philadelphia, PA 8:00 am–8:14 am. ID2/KDR Regulated Pro-malignant Myeloid Derived Suppressor Cells Drive Low Grade Glioma Transformation. Jeffrey P. Greenfield, M.D., Ph.D., New York, NY 8:15 am–8:29 am. Anti-CD47 Therapy Induces a J Neurosurg: Pediatrics / Volume 13 / March 2014

Program for the 2014 Annual Meeting of The American Society of Pediatric Neurosurgeons Differential Anti-brain Tumor Response Among Different Macrophage Phenotypes. Samuel Cheshier, M.D., Ph.D., Palo Alto, CA 8:30 am–8:44 am. Pearls and Pitfalls of 500 Intraoperative Pediatric MRI Cases: The Cook Children’s Experience. John Honeycutt, M.D., Ft. Worth, TX Discussion: 8:45 am–8:59 am

Beverage Break: 9:00 am–9:15 am Symposium VIII: Spasticity Management: 9:15 am– 10:30 am

Moderator: Gerald F. Tuite, M.D. 9:15 am–9:29 am. Bedrest After Intrathecal Baclofen Pump Surgery. Patrick Graupman, M.D., St. Paul, MN 9:30 am–9:44 am. Patterns of Catheter Failure in Intrathecal Baclofen (ITB) Therapy: Report of a Large Series. Michael D. Partington, M.D., St. Paul, MN 9:45 am–9:59 am. Developing a Spasticity Center in a Rural, Underserved Area. David F. Bauer, M.D., Hanover, NH

Discussion: 10:00 am–10:30 am

Beverage Break: 10:30 am–10:45 am Scientific Session IV: Spine Fusion: 10:45 am–12:00 pm

Moderator: Hugh Garton, M.D. 10:45 am–10:59 am. Motion Sparing Arthrodesis for Symptomatic Spondylolyis in Children: Results and Technical Considerations. Michael L. DiLuna, M.D., New Haven, CT 11:00 am–11:14 am. Hybrid Spinal Constructs Using Sublaminar Polyester Bands in Posterior Instrumented Fusions in Children and Transitional Adults for Neuromuscular Scoliosis: A Series of 17 Cases. Andrew Jea, M.D., Houston, TX

Discussion: 11:15 am–11:29 am

Presidential Address: The ASPN and Commitment to its Vision: An Opportunity: 11:20 am–12 pm Rick Abbott, M.D., ASPN President ASPN Golf and Tennis Tournaments: 12:00 pm–6:00 pm Gala Banquet: 6:00 pm–11:00 pm

Friday, January 31 Breakfast for Registered Physicians: 6:45 am–7:30 am Symposium IX: Surgical Treatment of Refractory Epilepsy: 7:30 am–9:00 am

Moderator: Angela Price, M.D. Presurgical Epilepsy Evaluations for Lesions:  When and Why? 7:30 am–7:40 am Speaker: Matthew D. Smyth, M.D.

J Neurosurg: Pediatrics / Volume 13 / March 2014

Invasive Monitoring: Minimizing Complications: 7:40 am–7:50 am Speaker: Sean Lew, M.D. If at First you don’t Succeed. When is Enough Enough? 7:50 am–8:00 am Invited Speaker: William Harkness, MBChB, FRCS Discussion: 8:00 am–8:24 am

8:25 am–8:39 am. Visualizing Epileptogenic Networks in Surgical Planning: Granger Causality in Interictal iEEG Predicts Seizure Focus. Joseph R. Madsen, M.D., Boston, MA Discussion: 8:40 am–8:59 am

Beverage Break: 9:00 am–9:15 am Symposium X: Improving Outcomes through Clinical Trials: 9:15 am–10:30 am

Moderator: Michael Handler, M.D. HCRN as a Model: Lessons Learned: 9:15 am–9:25 am Speaker: John C. Wellons, M.D.

Discussion: 9:25 am–9:35 am

9:35 am–9:49 am. Technical Challenges Associated with Cell-Based Therapies in the CNS. Nalin Gupta, M.D., Ph.D., San Francisco, CA 9:50 am–10:04 am. Striving for Zero Shunt Infections: Our Successes and Failures with the Shunt Bundle. Greg Olavarria, M.D., Orlando, FL 10:05 am–10:19 am. Fusion Patterns of Major Calvarial Sutures on Volume-Rendered CT Reconstructions. C. Corbett Wilkinson, M.D., Aurora, CO Discussion: 10:20 am–10:30 am Beverage Break: 10:30 am–10:45 am Scientific Session V: Epilepsy Surgery: 10:45 am–12:00 pm

Moderator: George Jallo, M.D. 10:45 am–10:59 am. Disruption of EAAT2-mediated, Astrocytic Glutamate Buffering in Epileptogenic Tissue. Jeffrey P. Blount, M.D., Birmingham, AL 11:00 am–11:14 am. Establishing a Pediatric Epilepsy Surgery Program: Pitfalls and Lessons Learned. Lori McBride, M.D., New Orleans, LA 11:15 am–11:29 am. Stereotactic MRI-guided Laser Ablation of Epileptogenic Lesions in Pediatric Epilepsy. Daniel Curry, M.D., Houston, TX 11:30 am–11:44 am. The Influence of Completeness of Resection and Perilesional Resection Volume on Seizure Outcome and Morbidity following Surgery for Resection for Cortical Dysplasia. Chima Oluigbo, M.D., Washington, DC Discussion: 11:45 am–11:59 am 12:00 pm. Meeting Adjourns A341

Program for the 2014 Annual Meeting of the American Society of Pediatric Neurosurgeons.

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