Services > Neurosurgery > Residency > Loma Linda University HC - Neurosurgery Faculty - Dr. Walter Johnson

Curriculum Vitae

Walter D. Johnson, MD, FACS

Email: wjohnson@llu.edu

Education

BS, Walla Walla College 1975-1979
MD, Loma Linda University 1979-1983

Postdoctoral Training

Surgical Internship, SUNY-HSCB/Kings County Hospital, Brooklyn, NY, 1983-1984

Research Fellow, Laboratory of Cerebral Metabolism and Blood Flow, SUNY-HSCB,
Brooklyn, NY, 1984-1986

Neurosurgical Residency, SUNY-HSCB/Kings County Hospital,
Brooklyn, NY, 1986-1991

Cerebrovascular and Skull Base Surgery, UCLA, Los Angeles, 1999

Licensures

State of New York 1986
Medical License #168705 (inactive)
State of California 1998
Medical License #G84949
Diplomate, American Board of Neurological Surgery 1998
State of California Fluoroscopy Supervisor
and Operator Certification, 2000

Honors and Awards

Named in "The Best Doctors in America (New York City Region) 1995-1996" (Neurosurgery Section), Woodward White, Inc., Aiken, South Carolina

Academic and Hospital Appointments

Director of Clinical Service, Department of Neurosurgery, Kings County Hospital Center,
Brooklyn, NY, 1991-1996

Assistant Professor, Director Neurovascular Service, Department of Neurosurgery, SUNY-Health Science Center at Brooklyn, Brooklyn, NY, 1992-1996

Active Staff Neurosurgeon, Department of Neurosurgery, Long Island College Hospital,
Brooklyn, NY, 1991-1996

Assistant Professor, Department of Neurosurgery, The Emory Clinic, Atlanta, GA, 1996-1998

Director, Division of Neurosurgery, Hamilton Medical Center, Dalton, GA, 1996-1998

Assistant Professor of Surgery, Division of Neurosurgery, Loma Linda University, Loma Linda, CA, 1998-2000

Associate Professor of Surgery, Division of Neurosurgery, Loma Linda University, Loma Linda, CA , 2000-2006

Vice-Chair, Division of Neurosurgery, Loma Linda University, Loma Linda, CA, 2001-present

Professor, Department of Neurosurgery, Loma Linda University, Loma Linda, CA, 2006 - present

University and Hospital Appointments and Committees

Adult Trauma Quality Improvement 1999-present
School of Medicine Faculty Promotions Committee 2000-2003
Critical Care Committee 1999-present
APC Planning Committee 2000-present
Neurosurgery QA Committee 1999-present
Neurosurgery QA Committee, Chair 2001-present
Surgery QA Committee 2001-present


EXTRACURRICULAR ORGANIZATIONS

Membership

American Association of Neurological Surgeons
American College of Surgeons
American Society of Radiologic Technologists
California Association of Neurological Surgeons
Congress of Neurological Surgeons
Joint Section of Cerebrovascular Surgery, AANS/CNS
Joint Section on Tumors, AANS/CNS
North American Skull Base Society
Western Neurosurgical Society


CURRENT RESEARCH

  1. Novel multimodality neurosurgical ICU monitoring
  2. Proton beam therapy for skull base tumors
    a. Chordomas/Chondrosarcomas
    b. Meningeiomas
  3. Minimally invasive cranial and spinal surgery
  4. A Novel Hemostatic Agent: Chitosan Coupled to Microporous Polysaccharide


RESEARCH GRANTS

Cerebral blood flow monitoring in the neurosurgical ICU. National Medical Technology Testbed. $15,000.


INSTRUMENTATION

Co-designer of Neurosensor® combined CIP/Cerebral Blood Flow monitor - clinical trials pending. Commercially available through Integra NeuroSciences, Inc.

Co-designer of NeuroSystems® - a novel interactive cranial device that monitors multiple parameters and provides relational information in real time. Clinical trials pending.


PUBLICATIONS

1. De B, Andersen N, Ippolito RM, Wilson CH, Johnson WD: Synthesis and chiroptical characterization of prostacyclin diastereomers. Prostaglandins 19:221-247, 1980

2. Bailey LL, Jung J, Johnson WD, et al: Orthotopic cardiac xenografting in the newborn goat. J Thorac Cardiovasc Surg 89:242-247, 1985

3. Johnson WD, Milhorat TH, Dow-Edwards D: Effects of variations in systemic blood pressure on local cerebral blood flow following experimental blood-brain barrier injury in rats. Surgical Forum 37:519-521, 1986

4. Johnson WD, Milhorat TH, Dow-Edwards D: Changes in systemic blood pressure alter local cerebral blood flow following blood-brain barrier injury. Annals New York Academy of Sciences 529:286-287, 1988

5. Milhorat TH, Johnson WD, Dow-Edwards D: Relationship between oedema, blood pressure, and blood flow following local brain injury. Neurological Research 11:29-32, 1989

6. Milhorat TH, Johnson RW, Johnson WD: Evidence of CSF flow in rostral direction through central canal of spinal cord in rats, in Matsumoto S, Tamaki N, (eds): Hydrocephalus. Pathogenesis and Treatment. Tokyo: Springer-Verlag, 1991, pp 207-217

7. Milhorat TH, Johnson RW, Johnson WD: Pathogenesis of syringomyelia with description of non-communicating type that arises immediately caudal to obstructive lesions, in Matsumoto S, Tamaki N (eds): Hydrocephalus. Pathogenesis and Treatment. Tokyo: Springer-Verlag, 1991, pp 218-228

8. Milhorat TH, Johnson WD, Miller JI, et al: Surgical treatment of syringomyelia based on magnetic resonance imaging criteria. Neurosurgery 31:231-245, 1992

9. Milhorat TH, Johnson WD, Miller JI: Syrinx shunt to posterior fossa cisterns (syringocisternostomy) for bypassing obstructions of upper cervical theca. J Neurosurg 77:871-4, 1992

10. Milhorat TH, Johnson WD, Miller JI, et al: Surgical treatment of syringomyelia based on magnetic resonance imaging criteria. Neurosurg 31:231-45, 1992

11. Milhorat TH, Miller JI, Johnson WD, et al: Anatomical basis of syringomyelia occurring with hindbrain lesions. Neurosurgery 32:748-54, 1993

12. Johnson WD, Weiner MB: Sex differences and the brain. To Your Health VI:1 & 6, 1994

13. Johnson WD, Bolognese P, Miller JI, et al: Continuous lCBF monitoring in 20 patients with aneurysmal SAH using a combined ICP-laser Doppler fiberoptic probe. J Neurosurg Anesth 8(3):199-207, 1996

14. Barrow DL, Johnson WD: Historical Perspective and Classification of Spinal Vascular Malformations, in Barrow DL, Awad IA (eds): Spinal Vascular Malformations. Park Ridge, IL: American Association of Neurological Surgeons, 1999, pp1-7

15. Lifshutz JL, Johnson WD: A History of Hydrocephalus and its Treatments. Neurosurg Focus 11 (2):Article 1, 2001

16. Bush DA, McAllister CJ, Loredo LN, Johnson WD, Slater JM, Slater JD: Fractionated Proton Beam Radiotherapy for Acoustic Neuroma. Neurosurgery 50(2):270-275, 2002

17. Devlin MA, Hoffmann KD, Johnson WD: Comparison of Mandibular Surgical Techniques for Accessing Cranial Base Vascular Lesions. Skull Base 3(2):65-72, 2003

18. Yamada S, Brauer FS, Colohan ART, Won DJ, Siddiqi J, Johnson WD, et al.: Concept of Arteriovenous Malformation Compartments and Surgical Management. Neurological Research, 26(3):288-300, 2004

19. Johna S, Shalita T, Johnson WD: Laparoscopic Resection of Giant Retroperitoneal Lumbar Schwannoma. JSLS, 8(3):287-289, 2004

20. Schnepper GD, Johnson WD: Spinal Hydatidosis: Case report and review of the literature, Neurosurgical Focus, December, 2004

Submitted

1. Johnson WD, Petrie MM, Sacapano MM: Variety of Spinal Vascular Pathology seen in Adult Cobb's Syndrome: Report of Two Cases and Literature Review Journal of Neurosurgery, (undergoing revisions)

2. Johnson WD: A Novel Combined ICP/CBF Intracranial Monitor. Neurosurgery, (undergoing revisions)

Book Reviews

1. Johnson WD: Subarachnoid Hemorrhage: Causes and Cures. Contemporary Neurology, Vol 42. Bryce Weir. New York: Oxford University Press, 1998. J Neurosurg 93:1090, 2000

2. Johnson WD: Chordomas and Chondrosarcomas of the Skull Base and Spine. Griff Harsh, IV, editor. New York: Thieme, 2003. J Neurosurg

3. Johnson WD: Management of Cerebral Aneurysms. Le Roux, Winn, Newell, editors. Saunders, 2004. J Neurosurg

4. Johnson WD: Neurosurgery of Complex Vascular Lesions and Tumors. Shigeaki Kobayashi, editor. New York: Thieme, 2005. J Neurosurg, July 2006

Published Abstracts

1. Variations in Systemic Blood Pressure New York Academy of Science, October 1985

2. Proximity to Motor Cortex as Determined by Functional Mapping Predicts Post-Operative Neurologic Deficits in Peri-Rolandic AVM Surgery. American Association of Neurological Surgeons, April 2000

3. Successful Endovascular Coiling of an Anterior Communicating Artery Aneurysm. LLU APC, March 2000

4. Controlled Lumbar Drainage as a Therapy for Traumatic Intractable Increased Intracranial Hypertension in Severe Head Injury. LLU APC, March 2000

5. Expanded Use of Lumbar Drainage for Controlling Raised intracranial pressure. Congess of Neurological Surgeons 50th Annual Meeting, San Antonio, TX September, 2000

6. Cardiac Issues in Subarachnoid Hemorrhage: EKG, Cardiac Enzymes and echocardiogram Analysis. AANS/CNS Section on Cerebrovascular Surgery, Hawaii, Feb. 9-12, 2001

7. Pre-pontine Hematoma: Alarming Radiographic Sign of Atlanto-Occipital Dislocation. AANS Annual Meeting, Toronto, Canada, April 2001; J Neurosurg 94(2): 366, 2001

8. Hypertonic Saline During the Initial Resuscitative Period for the Treatment of Severe Pediatric Head Trauma. J Neurosurg 94 (2): 410A, 2001

9. Continuous Infusion of 3% Hypertonic Saline in Adult Severe Closed Head Injury: A Novel Approach to Intracranial Pressure Management. AANS, Toronto, Ont. April, 2001

10. Vertebral Artery Injury Associated with Cervical Spine Trauma: Risk Stratification. Annual Postgraduate Convention, Loma Linda University, Loma Linda, CA, February 2001; Congress of Neurological Surgeons Annual Meeting, San Diego, CA Sept. 2001

11. Comparison of Mandibular Surgical Techniques for Accessing Vascular Lesions of the of the Cranial Base. North American Skull Base Society, Orlando, FL, March, 2001

12. Proton Therapy for Skull Base Chordomas and Chondrosarcomas: Effect of Residual Disease on Outcome. North American Skull Base Society, Orlando, FL, March, 2001

13. Roller Coaster-induced Subdural Hematoma: Case Report and Review of the Literature. AANS Annual Meeting, April, 2001

14. A Novel Approach to Dural Closure in the Release of Pediatric Tethered Cords. AANS Annual Meeting, April, 2001; J Neurosurg 94(2): 367

15. Proton Beam Therapy for Skull Base Chordomas and Chondrosarcomas: Experience with 111 Patients. NASBS Annual Meeting, March, 2002; Skull Base 12 (Supp. 1) 18

16. The New Microsurgiclip. NASBS Annual Meeting, March, 2002; Skull Base 12 (Supp. 1) 18

17. Outcome of Cerebral Aneurysm Treatment in an Elderly Population. AANS Annual Meeting, April 2002

18. Myocardial Stun Syndrome: Troponin Elevation in Aneurysmal Subarachnoid Hemorrhage Associated with Reversible Myocardial Dysfunction. AANS Annual Meeting, April 2002

19. Tension Pneumocephalus Caused by Reversed Flow Through Syringo-Pleural Shunt, Poster, American Association of Neurological Surgeons, Chicago, April 2002

20. Spinal Cord Injury: Past, Present and Future, Poster, American Association of Neurological Surgeons, Chicago, April 2002

21. Proton Beam Therapy for Skull Base Chordomas and Chondrosarcomas: Ten-Year Experience with 130 Patients. Congress of Neurological Surgeons, Philadelphia, September, 2002

22. Proton Therapy for Skull Base Chordomas and Chondrosarcomas. Western Neurosurgical Society, Victoria, BC, October 2002

23. Intracranial Dural Sinus Repair Using Non-penetrating, Arcuate-legged Clips-Results in Four Cases. Joint Section CV, Phoenix, AZ, February 2003

24. Aneurysmal Subarachnoid Hemorrhages in the Elderly: Outcomes Following Intervention of 21 Patients. Joint Section CV, Phoenix, AZ, 2003

25. Adult Cobb’s Syndrome: Case Report and Literature Review, Joint Section CV, San Diego, CA, 2004

26. Adult Cobb’s Syndrome: Case Report and Literature Review. Western Student Medical Research Forum, Carmel, CA, February, 2004

27. The NeuroSensor®: A Novel Cerebral Blood Flow and Intracranial Pressure Monitor. APC, Loma Linda, CA, March 2004

28. Neurosensor/Neurosystems. Neurosurgical Society of America. Santa Fe, NM, June 2004

29. Neurosensor/Neurosystems. Western Neurosurgical Association. Rancho Bernardo, CA, Sept. 2004

30. How to Handle Small Arteriovenous Malformations in the Sensorimotor Area. Western Neurosurgical Association. Rancho Bernardo, CA, Sept. 2004

31. Cranial Base Chordomas and Chondrosarcomas: A 12-year Review of 158 Patients Treated with Fractionated Proton Beam Therapy, Congress of Neurological Surgeons, San Francisco, October 2004

32. How to Handle Small Arteriovenous Malformations in the Sensorimotor Area. Poster Presentation, 8th Joint Annual Meeting of the AANS/CNS Cerebrovascular Section, New Orleans, Louisiana, Feb. 2005

33. Proton Beam Therapy for Skull Base Chordomas and Chondrosarcomas: Review of 186 Patients. AANS, San Francisco, CA, April 24, 2006

Submitted Abstracts

1. Adult Cobb's Syndrome: Case Report and Literature Review. , American Association of Neurological Surgeons,

Presentations

1. Effects of variations in systemic blood pressure on local cerebral blood flow following experimental blood-brain barrier injury in rats. American College of Surgeons 72nd Annual Clinical Congress, New Orleans, LA, 1986

2. The Postoperative Monitoring and Management of Cerebral Vasospasm. New York Neurosurgical Society Annual Post-Graduate Course, New York City, NY, 1994

3. Spinal Cord Injuries. Hamilton Medical Center Continuing Medical Education Course, Dalton, GA, 1997

4. Current Management of Aneurysmal Subarachnoid Hemorrhage. Loma Linda University Neuroscience Grand Rounds, April 1999

5. Laser Doppler Flowmetry in the Neurosurgical ICU. Loma Linda University Anesthesia Grand Rounds, October 6, 1999

6. Neuromonitoring in the ICU. Loma Linda University Neuroscience Grand Rounds, December 1999

7. Hydrocephalus. Loma Linda University Neuroscience Grand Rounds, April 2000

8. Neurosurgery for the New Millenium. Loma Linda Neuroscience Nursing Exploration, May 2000

9. Neurological Surgery in the 21st Century. Loma Linda University Annual Postgraduate Convention, February 2001

10. Current Surgical Management of Intracranial Aneurysms. Loma Linda University Neuroscience Grand Rounds, August 2002

11. Cobb Syndrome-Adult case presentation and review of the literature. Loma Linda University Neuroscience Grand Rounds, October, 2003

12. Cobb Syndrome-Adult case presentation and review of the literature. Loma Linda University Neuroscience Grand Rounds, October, 2003

13. The Role of Hemi-craniectomy in the Treatment of Stroke. Loma Linda University Neuroscience Grand Rounds, February, 2004

14. Advances in Neurosurgery: Does Gadgetry Improve Quality? Loma Linda University Alumni Post-Graduate Convention. March, 2004

15. Intra-Cranial Aneurysms. Loma Linda University OR Nurses Grand Rounds. May, 2004.

16. Current Treatment of Intracranial Aneurysms. Lecture to Neurosurgery meeting, Hanzhou, China, November, 2004

17. Skull Base Techniques. Lecture to Neurosurgery meeting, Hanzhou, China, November, 2004

18. Neurosurgery in China. Loma Linda University Neuroscience Grand Rounds, March, 2005

19. Intracranial Aneurysms: Treatment, Complications and Monitoring. Lecture to Neurosurgery meeting, Hanzhou, China, September 15, 2005

20. Separation of Craniopagus Twins. Lecture to Neurosurgery meeting, Hanzhou, China, September 15, 2005

21. Introduction to Loma Linda, CA/Separation of Craniopagus Twins. SRRSH Grand Rounds, September 21, 2005

22. Multimodality Cerebral Monitoring: A key to the diagnosis and treatment of vasospasm. Joint Conference: 4th OrientalCongress on Interventional Neuroradiology and 2nd Chongqing Forum on Cerebrovascular Surgery & Vasospasm. Chongqing, China, September 24, 2005

23. The Role of Proton Beam Therapy in the Treatment of Skull Base Tumors. NeuroUpdate, LLUMC, February 15, 2006

24. Minimally Invasive Spine Surgery: MetRx Tube. Medtronic Educational Facility. April 19, 2006

25. Proton Beam Therapy for Skull Base Chordomas and Chondrosarcomas: Review of 186 Patients. AANS, San Francisco, CA, April 24, 2006

26. Transoral Approaches. 1st Annual Skull Base Course, Loma Linda University. October 27-29, 2006

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