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Oral Presentations

2010 AANS Annual Meeting Philadelphia, Pennsylvania May 1–5, 2010

patient was unaccounted. The median preoperative tumor volume was 57.0 cm 3 and most tumors (N = 206) occupied eloquent territories. All patients underwent resection followed by chemotherapy and radiation therapy. The median postoperative tumor volume was 1.4 cm 3 , equating to a 98% EOR. The median overall survival was 12.2 months. Using Cox proportional hazards analysis, the following were predictive of survival: patient age, KPS, and EOR (p less than 0.0001). A significant survival advantage was seen with as little as 70% EOR, and stepwise improvement in survival

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equipment and personnel are outlined. Patient response to the program is documented. Results: The analysis of our telemedicine program indicates that patient satisfaction, cost containment, and surgical case volume all benefit from the provision of neurosurgical tele-services. Conclusion: Utilization of telemedicine can expand the reach of neurosurgical expertise, locally, regionally, nationally and internationally. The experience of one program in metropolitan Washington, D. C. provides an example of how telemedicine in neurosurgery may be successful

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clinical signs of normal pressure hydrocephalus and the efficacy of high volume lumbar puncture in predicting successful outcomes Jonathan Pomeraniec , Aaron Bond , MD, PhD , M Beatriz Lopes , MD, PhD , and John Jane Sr , MD, PhD (Charlottesville, VA) 8 2015 123 2 History of Craniotomy, Cranioplasty, and Perioperative Care A480 A481 Copyright held by the American Association of Neurological Surgeons. You may not sell, republish, or systematically distribute any published materials without written permission from

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some patients showed viral protein, DNA, and RNA including CD, but with viral genes only detected in limited amounts and not in all samples (up to 2000 DNA copies/μg tissue). MRI immediately after injecting Toca 511 plus gadolinium showed imprecise delivery. Therefore, realtime MRI-guided CED was implemented. In 7 patients at a single center (average tumor volume = 10.5 cm3, range=2.6–25.0 cm3) 12–70% of tumor volume (mean=45%) was infused. A 14-gauge cannula allowed flow rates up to 50 microL/min without reflux, and 3.1 mL was delivered to 1–3 targets with improved

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survivors remain disabled. Minimally invasive techniques for ICH removal have shown a positive relationship between hemorrhage volume reduction and patient outcome. We describe our experience with minimally invasive, endoscopic assisted, neuronavigation guided evacuation of ICH using the Apollo system and patient outcomes. Methods: Patients presenting with ICH and treated with the Apollo system since October 2014 were included in this retrospective review. All had a neurovascular study negative for underlying vascular lesion, and were treated using a burr hole