Ramachandra Tummala, MD

Professor, Department of Neurosurgery

Ramachandra Tummala

Contact Info

tumm0011@umn.edu

Office Phone 612-624-6666

Mailing Address:
Department of Neurosurgery
MMC 96
420 Delaware St. SE
Minneapolis, MN 55455

Administrative Assistant Name
Deborah Fellows

Administrative Phone
612-624-6666

Administrative Email
fello062@umn.edu

Professor, Department of Neurosurgery

Associate Professor, Department of Neurology

Associate Professor, Department of Radiology


Vascular Neurosurgeon


MD, University of Alabama at Birmingham

University of Minnesota (Neurosurgery)

University of Miami/Jackson Memorial Hospital (Cerebrovascular and Skull Base Surgery)

University of Buffalo (Neuroendovascular Surgery)

BS, University of Miami, Coral Gables, FL

Summary

Dr. Tummala is the Program Director of the Endovascular Surgical Neuroradiology Fellowship at the University of Minnesota Medical School. He is listed as first author for 13 of 57 research articles he's had published in peer-reviewed journals and in 4 of 8 articles submitted to non-peer reviewed journals. He is also listed as first author of 6 of 11 book chapters or monographs. 

Dr. Tummala has been invited to speak during numerous national and international meetings. In addition, he is an ad hoc manuscript reviewer for the journals, Neurosurgery and World Neurosurgery.

Dr. Tummala earned his medical degree from the University of Alabama at Birmingham and completed his residency in neurosurgery at the University of Minnesota. He finished two fellowships, one in Cerebrovascular/Skull Base Surgery at the University of Miami/Jackson Memorial Hospital and another in Neuroendovascular Surgery at the University of Buffalo, NY. He has been a faculty member since 2014.

Awards & Recognition

  • Mpls.St.Paul Magazine's Top Doctors, 2016, 2017, 2018
  • Minnesota Monthly Top Doctors, 2016, 2017
  • Kaplan Professorship in Cerebrovascular Surgery, Department of Neurosurgery, University of Minnesota, 2007
  • Arnold P. Gold Foundation Humanism and Excellence in Teaching Award, 2004
  • Seljeskog Award for Outstanding Resident Publication, Department of Neurosurgery, University of Minnesota, 2002

Professional Associations

  • Congress of Neurological Surgeons
  • American Association of Neurological Surgeons
  • Minnesota Neurosurgical Society
  • Pituitary Society

Research

Research Funding Grants

Endovascular Surgical Neuroradiology Fellowship Grant, Microvention, 2012-present, role: PI.

Publications

Impact Analytics

h-Index h(fl)-Index Total Publications First/Last Author Publications Total Citations First/Last Author Citations
15 11 67 35 746

Journal Articles (most current, 57 total)

  1. Hassan AE, Zacharatos H, Grigoryan M, Tekle WG, Khan A, Siddiq F, Rodriguez GJ, Tummala R, Jagadeesan B, Suri MFK, Qureshi AI. Clinical study to assess the safety and efficacy of cilostazol in patients undergoing internal carotid artery stent placement. Interv Neurol 2017 Mar 6(1(102):42-48. PMID 28611
  2. Hassan AE, Zahcaratos H, Grigoryan M, Tekle WG, Khan A, Siddiq F, Rodriguez, Tummala R, Jagadeesan B, Suri MFK, Qureshi AI. Open-label Phase I Clinical Study to Assess the Safety and Efficacy of Cilostazol in Patients Undergoing Internal Carotid Artery Stent Placement. Interventional Neurology, 2017, March 6:42-8. PMCID: PMC5465720833
  3. Jagadeesan BD, Sandhu D, Hong KJ, Roshan Khanipour S, Grande AW, Tummala RP, Salvage of herniated flow diverters using stent and balloon anchoring techniques: A technical note. Interventional Neurology, 2017, March. 6:31-35. DOI: 10.1159/000452284
  4. Watanabe Y, Sandhu D, Warmington L, Moen S, Tummala R: Three-dimensional assessment of the effects of high-density embolization material on the absorbed dose in the target for Gamma Knife radiosurgery of arteriovenous malformations. J Neurosurg, 2016. 125 (Suppl 1):123-128, 2016. PMID 27903193. Impact Factor: 2.69. Cited: NA
  5. Jagadeesan BD, Zacharatos H, Nascene DR, Grande AW, Guillaume DJ, Tummala RP: Endovascular management of a vein of Galen malformation in an infant with challenging femoral arterial access. J Neurosurg Pediatr 18:231-234, 2016. PMID 27058455. Impact Factor: 0.81. Cited: NA
  6. Miller C, Tummala R: Risk factors for hemorrhage associated with external ventricular drain placement and removal. J Neurosurg, 2016. Published online 1.4.16. Impact Factor 2.69 Cited: 4
  7. Jagadeesan BD, Grande AW, Guillaume D, Nascene D, Tummala RP: The role of percutaneous embolization techniques in the management of dural sinus malformations with atypical angioarchitecture in neonates: report of 2 cases. J Neurosurg Pediatr 16:74-9, 2015. PMID 25910034. Impact Factor: 1.757. Cited: NA 
  8. Hubbard ME, Qaiser R, Clark HB, Tummala R: Multiple calcifying pseudoneoplasms of the neuraxis, Neuropathology 35(5):452-455, 2015. PMID 25819805. Impact Factor 1.61. Cited: NA
  9. Rodriguez GJ, Miley JT, Tummala RP: Endovascular retrieval of a prematurely deployed covered stent, World J Radiol 7:139-42, 2015. PMID 26120384. Impact Factor: NA, Cited: NA
  10. Jagadeesan BD, Siddiq F, Grande AW, Tummala RP: Modified balloon assisted coil embolization for the treatment of intra-cranial and cervical arterial aneurysms using co-axial dual lumen balloon microcatheters: Initial experience. J Neurointerv Surg 6(9):704-707, 2014. PMID 24153339. Impact Factor: 2.959. Cited: 3
  11. Vasquez C, Hubbard ME, Jagadeesan BD, Tummala RP: Transfundal Stent Placement for Treatment of Complex Basilar Tip Aneurysm - Technical Note. J Neurointerv Surg 7(10):e33, 2015. PMID 25352580. Impact Factor: 2.959. Cited: 1.

Non-refereed Journal Articles, Essays, or Book Chapters

  1. Tummala RP, Sheth RN, Elhammady MS, Morcos JJ, Heros RC: Surgical management of giant aneurysms of the middle cerebral artery. Operative Techniques in Neurosurgery 8: 85-92, 2005
  2. Tummala RP, Coscarella E, Morcos JJ: Surgical anatomy of the jugular foramen. Operative Techniques in Neurosurgery 8:2-5, 2005
  3. Coscarella E, Tummala RP, Morcos JJ: Infratemporal fossa approaches to the jugular foramen. Operative Techniques in Neurosurgery 8:25-30, 2005.
  4. Baskaya MK, Coscarella E, Tummala RP, Jea A, Heros RC: Surgical management of middle cerebral artery aneurysms: surgical anatomy, approaches, and pitfalls. Neurosurg Quarterly 15:201-210, 2005
  5. Tummala RP, Chu RC, Hall WA: Subdural emypema in children. Neurosurg Quarterly 14:257-264, 2004
  6. Hall WA, Tummala RP, Chu RC: Intraoperative magnetic resonance imaging-guided neurosurgery. Neurosurg Quarterly 13:234-250, 2003
  7. Tummala RP, Chu RM, Liu H, Truwit CL, Hall WA: High-field functional capabilities for magnetic resonance imaging-guided brain tumor resection. Techniques in Neurosurgery 7:315-329, 2002
  8. Nussbaum ES, Chu RM, Tummala RP: Cerebral revascularization other than carotid endarterectomy. Medlink Neurology, November 2001.

Books or Monographs

  1. Tummala RP: Foreword in McKinney A: Normal Variants in the Central Nervous System, New York, Springer, 2017
  2. Goyal A, Tummala RP, Caicedo-Granados EE: Frontal sinus cranialization, in Myers EN (ed), Operative Otolaryngology, 3rd Ed, New York, Elsevier, October 2017
  3. Tummala RP, Baskaya MK, Heros RC: Posterior fossa arteriovenous malformations and cavernous angiomas, in Nanda A (ed), Principles of Posterior Fossa Surgery, New York, Thieme Medical Publishers, 2012, pp. 218-227.
  4. Tummala R, Yamamoto J, Sauvageau E, Hopkins LN: Endovascular Treatment of Posterior Fossa Aneurysms, in Nanda A (ed), Principles of Posterior Fossa Surgery, New York, Thieme Medical Publishers, 2012, pp. 197-208
  5. Tummala RP and Souslian FG: Extracranial Arterial Disease, in Deschaies EM, Eddleman CS, Boulos AS (eds): Handbook of Neuroendovascular Surgery, New York, Thieme Medical Publishers, 2011.
  6. Tummala RP, Hopkins LN: Neurorescue during Carotid Artery Stenting, in Amor M, Bergeron P, Inglese L, Ischinger, Mathias K, Raithel D, Cheshire N, Mangialardi N (eds): Aspects of Supra aortic Vessels Angioplasty (Carotid, Subclavian, and Vertebral Arteries), MEET Book 2009.
  7. Tummala RP, Jahromi BS, Hopkins LN: Intracranial arterial disease (Chapter 23), in Dieter RA (ed): Peripheral Arterial Disease, McGraw-Hill, New York, 2009, pp 401-442.
  8. Yamamoto J, Ecker RD, Tummala RP, Sauvageau E, Levy EI, Hanel RA, Hopkins LN: Registries and Trials of Carotid Artery Stenting versus Carotid Endarterectomy (chapter 16), in Sangiorgi G, Holmes DR Jr, Rosenfield K, Hopkins LN, Spagnoli LG (eds): Carotid Atherosclerotic Disease: Pathologic Basis for Treatment. London, Informa UK Ltd, pp. 248-256, 2008.
  9. Sauvageau E, Ecker RD, Yamamoto J, Tummala RP, Levy EI, Hopkins LN: Endovascular treatment of extracranial carotid atherosclerotic disease (chapter 17), in Hurst RW, Rosenwasser RH (eds): Interventional Neuroradiology, New York , Informa Health Care, pages 311-323, 2008.
  10. Maxwell RE, Tummala RP: Temporal lobectomy and selective amygdalohippocampectomy, in Winn HR (ed): Youmans Neurological Surgery, fifth edition, Saunders, Philadelphia, 2004.
  11. Chu RM, Tummala RP, Partington MD: Neurosurgical considerations in achondroplasia and their management, in Loftus C, Batjer HH (eds): Textbook of Neurological Surgery: Principles and Practice, Lippincott, New York, 2003.

Presentations, Posters, and Exhibits

Invited Oral Presentations at International Professional Meetings and Conferences

  1. Tummala RP: Subfrontal approach for olfactory groove meningioma, 27th Annual Meeting, North American Skull Base Society, New Orleans, LA, March 2017.
  2. Tummala RP: Vascular considerations in skull base surgery: Arteries, veins, and preoperative tumor embolization, 27th Annual Meeting, North American Skull Base Society, New Orleans, LA, March 2017.
  3. Kim J, Damania D, Sandhu D, Higashimori T, Jagadeesan B, Jahromi B, Tummala R: Comparison of carotid endarterectomy and carotid stent revascularization of internal carotid artery pseudo-occlusion, 10th World Stroke Congress, Hyderabad, India, October 29, 2016.
  4. Tummala RP: Appropriate and Inappropriate Use of Embolization for the Treatment of Intracranial Dural Arteriovenous Fistulas, presented at the World Federation of Neurological Societies XIV World Congress of Neurosurgery, Boston, MA, August 31, 2009.
  5. Tummala RP, Samuelson R, Jahromi B, Yamamoto J, Levy EI, Siddiqui A, Guidot C, Hopkins LN: Complication Avoidance and Rescue Techniques for Carotid Stenting, presented at Multidisciplinary European Endovascular Therapy (MEET) Congress, Cannes, France, June 16, 2007.
  6. Nagib MG, Tummala RP, Chu RM, O’Fallon MT: Congenital Brain Tumors – A Single Center Experience, Neurosurgical Society of America, Charleston, SC, May 2002.
  7. Tummala RP, Chu RM, Nussbaum ES: Extracranial-Intracranial Bypass for Symptomatic Occlusive Cerebrovascular Disease not Amenable to Carotid Endarterectomy, Joint Meeting of the AANS/CNS Section on Cerebrovascular Surgery and the ASITN, Dallas, TX, February 2002.
  8. Tummala RP, Chu RM, Madison MT, Nussbaum ES: Migration of Guglielmi Detachable Coils after Endovascular Treatment of Intracranial Aneurysms, Joint Meeting of the AANS/CNS Section on Cerebrovascular Surgery and the ASITN, Dallas, TX, February 2002.
  9. Tummala RP, Chu RM, Levine SL, Nussbaum ES: The Combined Subtemporal, Presigmoid Transtentorial Approach to Skull Base Lesions, 13th Annual Meeting of the North American Skull Base Society, San Diego, CA, February 2002.
  10. Chu RM, Tummala RP, McCollow K, Lo SS, Cho K, Hall WA: Stereotactic Radiosurgery versus Conventional Fractionated Stereotactic Radiotherapy for Vestibular Schwannomas, 13th Annual Meeting of the North American Skull Base Society, San Diego, CA, February 2002.
  11. Hall WA, Cho K, Tummala RP: Radiosurgery for Multiple Brain Metastases, American Association of Neurological Surgeons Annual Meeting, Toronto, Canada, April 2001.

Invited Oral Presentations at National Professional Meetings and Conferences

  1. Kim J, Sandhu D, Sandhu G, Jagadeesan BD, Tummala RP: Safety of Conventional Cerebral Angiography in Patients with High Risk for Contrast-Induced Nephropathy, American Society of Neuroradiology Annual Meeting, Washington, DC, May 2016
  2. Kim J, Sandhu G, Sandhu D, Tummala RP, Jagadeesan BD: Surface area to Volume Ratio: A Potentially Useful Measure in Management of Patients with Small Intracranial Aneurysms, American Society of Neuroradiology Annual Meeting, Washington, DC, May 2016
  3. Kim J, Damania D, Jahromi B, Tummala RP: Comparison of Carotid Endarterectomy and Carotid Stent Revascularization of Internal Carotid Artery Pseudo-occlusion, American Society of Neuroradiology Annual Meeting, Chicago, IL, May 2015
  4. Sethi KA, Chu RM, Tummala RP, Lam C: Craniosynostosis in the Perinatal Rat with the Use of Methyl-2-Cyanoacrylate: A Neuroanatomic Study, Congress of Neurological Surgeons, Philadelphia, PA, September 2002
  5. Nagib MG, Tummala RP, Chu RM, O’Fallon MT: Congenital Brain Tumors – A Single Center Experience, Neurosurgical Society of America, Charleston, SC, May 2002
  6. Tummala RP, Chu RM, Nussbaum ES: Extracranial-Intracranial Bypass for Symptomatic Occlusive Cerebrovascular Disease not Amenable to Carotid Endarterectomy, Joint Meeting of the AANS/CNS Section on Cerebrovascular Surgery and the ASITN, Dallas, TX, February 2002
  7. Tummala RP, Chu RM, Madison MT, Nussbaum ES: Migration of Guglielmi Detachable Coils after Endovascular Treatment of Intracranial Aneurysms, Joint Meeting of the AANS/CNS Section on Cerebrovascular Surgery and the ASITN, Dallas, TX, February 2002
  8. Tummala RP, Chu RM, Levine SL, Nussbaum ES: The Combined Subtemporal, Presigmoid Transtentorial Approach to Skull Base Lesions, 13th Annual Meeting of the North American Skull Base Society, San Diego, CA, February 2002
  9. Chu RM, Tummala RP, McCollow K, Lo SS, Cho K, Hall WA: Stereotactic Radiosurgery versus Conventional Fractionated Stereotactic Radiotherapy for Vestibular Schwannomas, 13th Annual Meeting of the North American Skull Base Society, San Diego, CA, February 2002
  10. Hall WA, Cho K, Tummala RP: Radiosurgery for Multiple Brain Metastases, American Association of Neurological Surgeons Annual Meeting, Toronto, Canada, April 2001
  11. Cerfolio RJ, Tummala RP, Holman WL, Zorn GL, Pacifico AD: A Prospective Algorithm for the Management of Air Leaks after Pulmonary Resection, American College of Chest Physicians Annual Meeting, 1998.

Invited Oral Presentations at Local and Regional Professional Meetings and Conferences (most current, 21 total)

  1. Tummala RP: Acoustic Neuroma Treatment Options and Outcomes. Acoustic Neuroma Support Group. Minneapolis MN, April 28, 2018
  2. Tummala RP: Data-Driven Approach to Carotid Disease. 2017 Lillehei Symposium: Progress in Cardiovascular Care. Minneapolis, MN. September 7, 2017
  3. Tummala RP: Evaluation and management of carotid artery stenosis – 2016, Lillehei Symposium: Progress in Cardiovascular Care, Minneapolis, MN, October 2016
  4. Tummala RP, Kim J: Flow Diverters and the next generation of aneurysm treatment, South Texas Comprehensive Stroke Care Symposium, South Padre Island, TX, May 2016
  5. Tummala RP, Sandhu D: Subarachnoid hemorrhage and review of guidelines, South Texas Comprehensive Stroke Care Symposium, South Padre Island, TX, May 2016
  6. Tummala RP: Teaching Brain Surgery, Minnesota Neurosurgical Society Annual Meeting, St. Paul, MN, September 2015
  7. Kim JH, Tummala RP: Management of patients presenting with carotid artery pseudo-occlusion and acute occlusion: A systematic review, Minnesota Stroke Conference, St. Paul, MN, June 2015
  8. Tummala RP: Technological advances in the treatment of intracerebral and intraventricular hemorrhage, South Texas Stroke Symposium, South Padre Island, TX, May 2015
  9. Tummala RP: Teaching brain surgery, Academy of Distinguished Teachers Annual Conference, University of Minnesota, Minneapolis, MN, April 2015
  10. Tummala RP: Clipping versus coiling for aneurysm treatment, South Texas Stroke Symposium, South Padre Island, TX, May 2014.

Abstracts (most current, 21 total)

  1. Jethwa AR, Hicks M, Tummala R, Caicedo-Granados E: Direct puncture embolization of sinonasal/anterior skull base tumors, 27th Annual Meeting, North American Skull Base Society, New Orleans, LA, March 2017
  2. Higashimori T, Kim J, Sandhu D, Streib C, Tummala R: Brainstem reperfusion injury following endovascular treatment of posterior circulation ischemia, 10th World Stroke Congress, Hyderabad, India, October 2016
  3. Sandhu D, Kim J, Sandhu G, Higashimori T, Jagadeesan B, Tummala R: Mechanical thrombectomy in ischemic stroke caused by large vessel occlusions: Why do we fail? 10th World Stroke Congress, Hyderabad, India, October 2016
  4. Higashimori T, Grande A, Ezzeddine M, Tummala R, Jagadeesan B: Very delayed monocular blindness following flow diversion treatment of ophthalmic artery aneurysm, 10th World Stroke Congress, Hyderabad, India, October 2016
  5. Tummala R, Khan A, Miller C: Complications following treatment of intracranial dural arteriovenous fistulas, 10th World Stroke Congress, Hyderabad, India, October 2016
  6. Colby C, Adams M, Huang T, Levine S, Tummala R, Haines S: Does the presence of cystic change alter the facial nerve prognosis in surgically treated large acoustic neuromas?, Annual Meeting of the North American Skull Base Society, February 2015
  7. Jagadeesan B, Mortazavi S, Moen S, Grande A, Tummala R: Balloon assisted Pre-operative Embolization of Hypervascular Metastatic Lesions to the Spine, J Neurointerv Surg, Suppl : A70, 2014
  8. Jagadeesan B, Zachararotos H, Shea K, Nascene D, Grande A, Tummala R: Transfontanelle and Transcardiac Veno-arterial Approaches for Embolization of Complex Pediatric Intra-cranial Vascular Malformations, J Neurointerv Surg, Suppl 1:A32-33, 2014
  9. Jagadeesan B, Mortazavi S, Moen S, Grande A, Tummala R: Balloon assisted Pre-operative Embolization of Hypervascular Metastatic Lesions to the Spine, J Neurointerv Surg, Suppl : A70, 2014.
  10. Owusu JA, Tummala R, Caicedo-Granados, E: Synchronous Olfactory Neuroblastoma and Olfactory Groove Meningioma, Annual Meeting of the North American Skull Base Society, 2013.

Clinical

Clinics

Clinics and Surgery Center

Board Certifications

American Board of Neurological Surgery (31045),  2011-Present 

Clinical Interests

Cerebrovascular surgery; skull base surgery; endovascular neurosurgery; stroke intervention

Hospital Privileges

Attending neurosurgeon and endovascular neurosurgeon, University of Minnesota Medical Center- Fairview, Minneapolis, Minnesota Attending neurosurgeon and endovascular neurosurgeon, Hennepin County Medical Center, Minneapolis, Minnesota Staff neurosurgeon, Fairview Southdale Hospital, Edina, MN Staff neurosurgeon, Minneapolis Veterans Affairs Hospital, Minneapolis, MN Staff neurosurgeon (courtesy privileges), Abbott Northwestern Hospital, Minneapolis, MN