Department of  Neurosurgery
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Ananth Vellimana, MD

Ananth Vellimana, MDPosition: PGY 7
Hometown: Trivandrum, India
Medical School: All India Institute of Medical Sciences, New Delhi, India
Clinical/Research Interests: Cerebrovascular, neuro-oncology
Departmental Awards:
2016-2017 – Department of Neurosurgery T.S. Park Board Score Award
2016-2017 – Department of Neurosurgery Research Symposium Presentation Award – Basic Science

  • Vellimana AK, Dunn GP, Dunn I. Intracranial ependymomas in adults. Youmans Textbook of Neurological Surgery (Book Chapter). In press.
  • Contribution of reactive oxygen species to cerebral amyloid angiopathy, vasomotor dysfunction, and microhemorrhage in aged Tg2576 mice. Han BH, Zhou ML, Johnson AW, Singh I, Liao F, Vellimana AK, Nelson JW, Milner E, Cirrito JR, Basak J, Yoo M, Dietrich HH, Holtzman DM, Zipfel GJ. Proc Natl Acad Sci U S A. 2015 Feb 24;112(8):E881-90. doi: 10.1073/pnas.1414930112. Epub 2015 Feb 9.
  • Cerebral amyloid angiopathy increases susceptibility to infarction after focal cerebral ischemia in Tg2576 mice. Milner E, Zhou ML, Johnson AW, Vellimana AK, Greenberg JK, Holtzman DM, Han BH, Zipfel GJ. Stroke. 2014 Oct;45(10):3064-9. doi: 10.1161/STROKEAHA.114.006078. Epub 2014 Sep 4.
  • Dural arteriovenous fistulas associated with benign meningeal tumors. Vellimana AK, Daniels DJ, Shah MN, Zipfel GJ, Lanzino G. Acta Neurochir (Wien). 2014 Mar;156(3):535-44. doi: 10.1007/s00701-013-1946-z. Epub 2013 Dec 22.
  • Intravenous tissue-type plasminogen activator therapy is an independent risk factor for symptomatic intracerebral hemorrhage after carotid endarterectomy. Vellimana AK, Yarbrough CK, Blackburn S, Strom RG, Pilgram TK, Lee JM, Grubb RL Jr, Rich KM, Chicoine MR, Dacey RG Jr, Derdeyn CP, Zipfel GJ. Neurosurgery. 2014 Mar;74(3):254-61. doi: 10.1227/NEU.0000000000000261.
  • Transient Obstructive Hydrocephalus due to Intraventricular Hemorrhage: A Case Report and Review of Literature. Lusis EA, Vellimana AK, Ray WZ, Chicoine MR, Jost SC. J Clin Neurol. 2013 Jul;9(3):192-5. doi: 10.3988/jcn.2013.9.3.192. Epub 2013 Jul 1.
  • Intracranial hemorrhage from dural arteriovenous fistulas: clinical features and outcome. Daniels DJ, Vellimana AK, Zipfel GJ, Lanzino G. Neurosurg Focus. 2013 May;34(5):E15. doi: 10.3171/2013.4.FOCUS1335. Review.
  • Combination of paclitaxel thermal gel depot with temozolomide and radiotherapy significantly prolongs survival in an experimental rodent glioma model. Vellimana AK, Recinos VR, Hwang L, Fowers KD, Li KW, Zhang Y, Okonma S, Eberhart CG, Brem H, Tyler BM. J Neurooncol. 2013 Feb;111(3):229-36. doi: 10.1007/s11060-012-1014-1. Epub 2012 Dec 7.
  • Symptomatic patients with intraluminal carotid artery thrombus: outcome with a strategy of initial anticoagulation. Vellimana AK, Kadkhodayan Y, Rich KM, Cross DT 3rd, Moran CJ, Zazulia AR, Lee JM, Chicoine MR, Dacey RG Jr, Derdeyn CP, Zipfel GJ. J Neurosurg. 2013 Jan;118(1):34-41. doi: 10.3171/2012.9.JNS12406. Epub 2012 Oct 12.
  • Potential implications of HCN channel dysfunction after subarachnoid hemorrhage. Vellimana AK. J Neurosci. 2012 Jul 4;32(27):9117-8. doi: 10.1523/JNEUROSCI.2064-12.2012.
  • Resorufin analogs preferentially bind cerebrovascular amyloid: potential use as imaging ligands for cerebral amyloid angiopathy. Han BH, Zhou ML, Vellimana AK, Milner E, Kim DH, Greenberg JK, Chu W, Mach RH, Zipfel GJ. Mol Neurodegener. 2011 Dec 22;6:86. doi: 10.1186/1750-1326-6-86.
  • The current surgical management of intracranial aneurysms. Washington CW, Vellimana AK, Zipfel GJ, Dacey RG. J Neurosurg Sci. 2011 Sep;55(3):211-31. Review.
  • Phosphodiesterase 5 inhibition attenuates cerebral vasospasm and improves functional recovery after experimental subarachnoid hemorrhage. Han BH, Vellimana AK, Zhou ML, Milner E, Zipfel GJ. Neurosurgery. 2012 Jan;70(1):178-86; discussion 186-7. doi: 10.1227/NEU.0b013e31822ec2b0.
  • Symptomatic intracranial arterial disease: incidence, natural history, diagnosis, and management. Vellimana AK, Ford AL, Lee JM, Derdeyn CP, Zipfel GJ. Neurosurg Focus. 2011 Jun;30(6):E14. doi: 10.3171/2011.3.FOCUS1138. Review.
  • Endothelial nitric oxide synthase mediates endogenous protection against subarachnoid hemorrhage-induced cerebral vasospasm. Vellimana AK, Milner E, Azad TD, Harries MD, Zhou ML, Gidday JM, Han BH, Zipfel GJ. Stroke. 2011 Mar;42(3):776-82. doi: 10.1161/STROKEAHA.110.607200. Epub 2011 Feb 11.
  • Radiographic and clinical evaluation of free-hand placement of C-2 pedicle screws. Clinical article. Sciubba DM, Noggle JC, Vellimana AK, Alosh H, McGirt MJ, Gokaslan ZL, Wolinsky JP. J Neurosurg Spine. 2009 Jul;11(1):15-22. doi: 10.3171/2009.3.SPINE08166.