Washington University School of Medicine Logowustl.edu

Ralph G. Dacey Jr., MD

Henry G & Edith R Schwartz Professor
and Chairman of Neurological Surgery
Neurosurgeon-in-Chief, Barnes-Jewish Hospital

Washington University School of Medicine
Department of Neurological Surgery
660 S. Euclid Avenue
Campus Box 8057
St. Louis, Missouri 63110

Patient Appointments: 314-362-3577
Fax: 314-362-2107
Administrative e-mail: schillizzij@wustl.edu
Patient e-mail: heckl@wustl.edu

Clinical Interests
Aneurysms, arteriovenous malformations, cerebrovascular surgery, cranial base surgery, brain tumors, head injury and spinal surgery.

Research Interests
Mechanisms of control of the intracerebral microcirculation focusing on the unique properties of smooth muscle and endothelial cells in intracerebral arterioles; magnetic stereotaxis (studies of the use of externally applied magnetic fields to guide catheters and other surgical implements are conducted on the only magnetic stereotaxis device in the world); new endovascular approaches to aneurysms and AVMs; prospective studies on the role of intraoperative angiography in management of unruptured aneurysms. For more information visit Dr. Dacey's lab.

Education
BA, Harvard University
Boston Massachusetts
1967-1970

MD, University of Virginia
Charlottesville, Virginia
1970-1974

Residency
Resident, Medicine
Strong Memorial Hospital,
Rochester, New York
1974-1976

Resident, Surgery
University of Virginia
Charlottesville, Virginia
1976-1977

Resident, Neurosurgery
University of Virginia
Charlottesville, Virginia
1977-1981

Registrar, Surgical Neurology
Freedom Fields, Plymouth General Hospital
Plymouth, England
1981-1982

Chief Resident,
Neurosurgery
University of Virginia
Charlottesville, Virginia
1982-1983

Hospital Appointments
Barnes Jewish Hospital
Barnes Jewish West County Hospital
St. Louis Children's Hospital

Medical Licensure
Missouri, North Carolina, Virginia, Washington

Board Certification
American Board of Neurological Surgery (1985)
American Board of Internal Medicine (1978)

Consultant Affiliation
Consultant Neurosurgeon
St. Louis Rams
St. Louis Blues
St. Louis Cardinals

Publications

  1. Dacey RG Jr, Sande MA. Effect of probenecid on CSF concentration of penicillin and cephalosporin derivatives. Antimicrob Agents Chemother 6: 437-441, 1974.
  2. Sheretz RJ, Dacey RG Jr, Sande MA. Cefamandole in the therapy of experimental pneumococcal meningitis. J Antimicrob Chemother 2: 159-165, 1976.
  3. Pobereskin LJ, Cabot J, Cohen D, Jane JA, Dacey RG Jr. Chronic systemic hypertension secondary to lesions in the nervous system. Surg Forum 28: 477-479, 1977.
  4. Winn HR, Dacey RG Jr, Jane JA: Intracranial subarachnoid pressure recording: experience with 650 patients. Surg Neurol 8: 41-47, 1977.
  5. Sande MA, Sheretz RJ, Zak O, Dacey RG Jr, Bodine JA, Strausbaugh LJ: Factors influencing the penetration of antimicrobiological agents into the cerebrospinal fluid of experimental animals. Scan J Infect Dis Suppl 14: 160-163, 1978.
  6. Dacey RG Jr, Winn HR, Jane JA, Butler AB: Spinal subdural empyema: report of two cases. Neurosurgery 3: 400-403, 1978.
  7. Johnson RN, Maffeo CJ, Dacey RG Jr, Butler AB, Bass NH: Mechanism for intracranial hypertension during experimental subarachnoid hemorrhage: acute malfunction of arachnoid villi by components of plasma. Trans Am Neurol Assoc 103: 138-142, 1978.
  8. Dacey RG Jr, Welsh JE, Scheld WM, Winn HR, Jane JA, Sande MA. Alterations in CSF outflow resistance in experimental bacterial meningitis. Trans Am Neurol Assoc 103: 142-146, 1978.
  9. Carey RM, Dacey RG Jr, Jane JA, Winn HR, Ayers CR, Tyson GW: Production of sustained hypertension by lesions in the nucleus tractus solitarii of the American foxhound. Hypertension 1: 246-254, 1979.
  10. Scheld WM, Park TS, Dacey RG Jr, Winn HR, Jane JA, Sande MA: Clearance of bacteria from cerebrospinal fluid to blood in experimental meningitis. Infect and Immun 24: 102-105, 1979.
  11. Dacey RG Jr, Welsh JE, Scheld WM, Winn HR, Sande MA, Jane JA: Bacterial meningitis: Changes in CSF outflow resistance. In: Intracranial Pressure IV, edited by K. Shulman, A. Marmarou, J. D. Miller, D. P. Becker, G. M. Hochwald, and M. Brock. Berlin: Springer Verlag, 1980, pp. 350-353.
  12. Park TS, Dacey RG Jr, Jane JA, Butler AB, Winn HR: Donor artery changes following anastomosis. Virg Med 107: 108-112, 1980.
  13. Donegan M, Bedford RF, Dacey RG Jr: Lidocaine for prevention of intracranial hypertension. Anesthesiology 51: S20, 1979.
  14. Scheld WM, Dacey RG Jr, Winn HR, Welsh JE, Jane JA, Sande MA: Cerebrospinal fluid outflow resistance in experimental meningitis: Alterations with penicillin and methylprednisolone. J Clin Invest 66: 243-253, 1980.
  15. Duling BR, Gore RW, Dacey RG Jr, Damon DN. Methods for isolation, cannulation, and in vitro study of single microvessels. Am J Physiol 241: H108-116, 1981.
  16. Dacey RG Jr, Duling BR: A study of rat intracerebral arterioles: methods, morphology, and reactivity. Am J Physiol 243: H598-606, 1982.
  17. Dacey RG Jr, Duling BR: Mechanics and reactivity of rat intracerebral arterioles. In: Cerebral Blood Flow: Effects of Nerves and Neurotransmitters, eds. D. D. Heistad and M. L. Marcus. New York: Elsevier/North Holland, 1982, p. 67-73.
  18. Walmsley JG, Gore RW, Dacey RG Jr, Damon DN, Duling BR. Quantitative morphology of arterioles from the hamster cheek pouch related to mechanical analysis. Microvasc Res 24: 249-271, 1982.
  19. Dacey RG Jr, Winn HR: Brain abscess and perimeningeal infections. In: Internal Medicine, eds. J. H. Stein. Boston: Little, Brown, 1986, p. 1503-1507.
  20. Dacey RG Jr, Scheld WM, Winn HR, Jane JA, Sande MA: Bacterial meningitis: Selected aspects of cerebrospinal fluid pathophysiology. In: Neurobiology of Cerebrospinal Fluid II, eds. J. H. Wood. New York: Plenum, 1983, p. 727-738.
  21. Butler AB, Mann JD, Maffeo CJ, Dacey RG Jr, Johnson RN, Bass NH: Mechanisms of CSF absorption in normal and pathologically altered arachnoid villi. In: Neurobiology of Cerebrospinal Fluid II, eds. J. H. Wood. New York: Plenum, 1983, p. 707-722.
  22. Bedford RF, Dacey RG Jr, Winn HR, Lynch C: Adverse impact of a calcium entry blocker (verapamil) on intracranial pressure in patients with brain tumors. J Neurosurg 59: 800-802, 1983.
  23. Dacey RG Jr, Winn HR: Brain tumors. In: Current Emergency Therapy, eds. R. F. Edlich and D. A. Spyker. Norwalk: Appleton Century Crofts, 1984, p. 621-626.
  24. Dacey RG Jr, Duling BR: Effect of norepinephrine on penetrating arterioles of rat cerebral cortex. Am J Physiol 246: H380-H385, 1984.
  25. Dacey RG Jr, Jane JA. Craniocerebral trauma. In: Clinical Neurology III, eds. A. B. Baker. Philadelphia: Harper & Row, 1984, pp. 1-61.
  26. Dacey RG Jr, Winn HR: Controversies in the treatment of head injury. U Wash Med 10: 7-11, 1985.
  27. Dacey RG Jr, Pitkethley D, Winn HR. Enlargement of an intracranial aneurysm in the eighth decade of life. J Neurosurg 62: 600-602, 1985.
  28. Dacey RG Jr. et al: Trauma of the Central Nervous System, eds. Dacey RG Jr, Winn HR, Rimel RW, Jane JA. New York: Raven Press, 1985.
  29. Jane JA, Rimel RW, Alves WM, Dacey RG Jr, Winn HR, Colohan AR. Minor and moderate head injury: Model systems. In: Trauma of the Central Nervous System, eds. Dacey RG Jr, Winn HR, Rimel RW, and Jane JA. New York: Raven Press, 1985, p. 27-33.
  30. Tamas LB, Dacey RG Jr, and Winn HR. Studies of severe head injury: An overview. In: Trauma of the Central Nervous System, eds. Dacey RG Jr, Winn HR, Rimel RW, and Jane JA. New York: Raven Press, 1985, p. 103-121.
  31. Colohan AR, Dacey RG Jr, Alves WM, Rimel RW, and Jane JA. Neurologic and neurosurgical implications of minor head injury. J Head Trauma Rehab 1: 13-21, 1986.
  32. Winn HR, Dacey RG Jr, Mayberg MR, and Haley EC. Aneurysmal subarachnoid hemorrhage. In: Current Emergency Therapy, eds. R. F. Edlich and D. A. Spyker. Norwalk: Appleton Century Crofts, 1986, p. 417-420.
  33. Mayberg MR, Dacey RG Jr, and Winn HR. Controversies in aneurysm surgery. Sem Neurol 6: 299-308, 1986.
  34. Dacey RG Jr, Alves WM, Jane JA, Rimel RW, and Winn HR. Neurosurgical complications after apparently minor head injury: Assessment of risk in a series of 610 patients. J Neurosurg 65: 203-210, 1986.
  35. Sherman CB, Dacey RG Jr, Pierson DJ and Winn HR. The use of hyperventilation in head injury. Resp Care 31: 1121-1127, 1986.
  36. Dacey RG Jr and Dikmen S. Mild head injury. In: Head Injury, eds. P. R. Cooper. New York: Williams & Wilkins, 1987, p. 125-140.
  37. Dacey RG Jr and Bassett JE. Histaminergic dilation of intracerebral arterioles in rat. J Cereb Blood Flow Metab 7: 327-331, 1987.
  38. Bassett JE and Dacey RG Jr. Dilation of intracerebral arterioles in vitro by fatty ontamination in bovine serum albumin. Microvasc Res 34: 256-259, 1987.
  39. Dacey RG Jr. Acute brain ischemia. Medical and surgical therapy. Book Review. Neurosurgery 67: 469, 1986.
  40. Stimac GK, Burch D, Livingston RR, Anderson P, and Dacey RG Jr. A device for maintaining cervical spine stabilization and traction during CT scanning. Am J Rad 149: 345-346, 1987.
  41. Dacey RG Jr and Bassett JE. Cholinergic vasodilation of intracerebral arterioles in rats. Am J Physiol 253: H1253-H1260, 1987.
  42. Dacey RG Jr. Selected recent advances in the therapy of central nervous system infections. In: Infectious Diseases: New Surgical and Medical Approaches, eds. R. K. Rook, D. D. Trunkey, and M. A. Sande. New York: Churchill Livingston, 1987, p. 71-94.
  43. Dacey RG Jr. Monitoring and treating increased intracranial pressure. The Ped Infect Dis J 6: 1161-1163, 1987.
  44. Dacey RG Jr, Bassett JE, Takayasu M. Vasomotor responses of rat intracerebral arterioles to vasoactive intestinal peptide, substance P, neuropeptide Y and bradykinin. J Cereb Blood Flow Metab 8: 254-261, 1988.
  45. Bassett JE, Bowen Pope DF, Takayasu M, Dacey RG Jr. Platelet derived growth factor does not constrict rat intracerebral arterioles in vitro. Microvasc Res 35: 368-373, 1988.
  46. Rivara FP, Dicker BG, Bergman AB, Dacey RG Jr, Herman C. The public cost of motorcycle trauma. JAMA 260: 221-223, 1988.
  47. Takayasu M, Bassett JE, Dacey RG Jr. Effects of calcium antagonists on intracerebral penetrating arterioles in rats. J Neurosurg 69: 104-109, 1988.
  48. Howard MA III, Dacey RG Jr and Winn HR. Brain xenografts: The effect of cyclosporin A on graft survival. J Neurosurg 69: 121-126, 1988.
  49. Burcheil KJ, Clarke H, Ojemann GA, Dacey RG Jr, Winn HR. Use of stimulation mapping and corticography in the excision of arteriovenous malformations in sensorimotor and language related neocortex. Neurosurgery 24: 322-327, 1989.
  50. Dacey RG Jr. Neurosurgery. In: What's new in surgery 1989: Part 2. American College of Surgeons (ed.). Bulletin 74: 7-14, 1989.(Abstract)
  51. Takayasu M and Dacey RG Jr. Effects of inhibitory and excitatory amino acid neurotransmitters on isolated cerebral parenchymal arterioles. Brain Res 482: 393-396, 1989.
  52. Winn HR, Dacey RG Jr, Mayberg MR. Cerebral circulation. In: Textbook of Physiology, eds. H. D. Patton, A. F. Fuchs, B. Hille, A. M. Scher, and R. Stein. Philadelphia: W.B.Saunders, 1989, p. 952-960.
  53. Dacey RG, Jr. Complications after apparently mild head injury and strategies of neurosurgical management. In: Mild Head Injury, eds. H. S. Levin, H. M. Eisenberg, and A. L. Benton. New York: Oxford University Press, 1989, p. 83-101.
  54. Takayasu M and Dacey RG Jr. Calcium dependence of intracerebral arteriolar vasomotor tone and constrictor responses. Stroke 20: 778-782, 1989.
  55. Newell DW, Leroux PD, Dacey RG Jr, Stimac GK , and Winn HR. CT infusion scanning for the detection of cerebral aneurysms. J Neurosurg 71: 175-179, 1989.
  56. Dacey RG Jr. Neurosurgical applications of transcranial Doppler sonography. Neurosurgery 24: 777, 1989.
  57. Takayasu M and Dacey RG Jr. Effects of mannitol on intracerebral arteriolar diameter in vitro: extraluminal and intraluminal application. Neurosurgery 25: 747-752, 1989.
  58. Takayasu M, and Dacey RG Jr. Spontaneous tone of cerebral parenchymal arterioles: a role in cerebral hyperemic phenomena. J Neurosurg 71: 711-717, 1989.
  59. Howard MA III, Gross AS, Dacey RG Jr, Winn HR. Acute subdural hematomas: An age-dependent clinical entity. J Neurosurg 71: 858-863, 1989.
  60. Vollmer DG and Dacey RG Jr . Prediction and assessment of outcome following closed head injury. In: Craniospinal Trauma, eds. F. C. Wagner and L. H. Pitts. New York: Thieme Medical Publishers, Inc. 1989, pp. 120-140.
  61. Winn HR, Newell DW, Mayberg MR, Grady MS, Dacey RG Jr, Eskridge J. Early surgical management of poor grade patients with intracranial aneurysms. In: Clinical Neurosurgery, eds. W. W. Black. Baltimore: Williams & Wilkins, 1990, p. 289-298.
  62. Dacey RG Jr and Winn HR. Brain abscess and perimeningeal infections. In: Internal Medicine, eds. MA Sande. Boston: Little, Brown & Co, 1990, p. 1291-1296.
  63. Takayasu M and Dacey RG Jr. Effects of HA1077, a novel calcium antagonistic spasmolytic agent on intracerebral arterioles of rats. Acta Neurochir 103: 67-70, 1990.
  64. Dacey RG Jr and Vollmer DG. Electrical injuries to the nervous system. In: Neurosurgery Update, eds. R. H. Wilkins and S. S. Rengachary. New York: McGraw Hill, 1991, pp. 291-296.
  65. Kaufman BA, Tunkel AR, Pryor JC, Dacey RG Jr. Meningitis in the neurosurgical patient. In: Infectious Disease Clinics of North America, eds. RC Moellering Jr, WM Scheld, and B Wispelwey. Philadelphia: Saunders,W.B. 1990, p. 677-701.
  66. Fleming H, Murayama S, and Dacey RG Jr. Posterior fossa epithelial cyst of ectodermal origin. Neurosurgery 29: 459-463, 1991.
  67. Vollmer DG and Dacey RG Jr. The management of mild and moderate head injuries. In: Management of Head Injury: Neurosurgery Clinics of North America, eds. H. M. Eisenberg and E. F. Aldrich. Philadelphia: W.B.Saunders, 1991, p. 437-455.
  68. Dacey RG Jr, Dikmen S, Temkin N, McLean A, Armsden G, Winn HR. Relative effects of brain and non-brain injuries on neuropsychological and psychosocial outcome. J Trauma 31: 217-222, 1991.
  69. Ogura K, Takayasu M, Dacey RG Jr. Differential effects of pentobarbital on intracerebral arterioles and venules of rats in vitro. Neurosurgery 28: 537-541, 1991.
  70. Brown AP, Miller SL, Dacey RG Jr. Nimodipine and calcium channel blockade for cerebral vasospasm. In: Perspectives in Neurological Surgery, eds. D. L. Barrow. St. Louis: Quality Medical Publishing, Inc. 1991, pp. 69-99.
  71. Ogura K, Takayasu M, and Dacey RG Jr. Differential effects of intra and extraluminal endothelin on cerebral arterioles. Am J Physiol 261: H531-H537, 1991.
  72. Ogura K, Takayasu M, and Dacey RG Jr. Effects of hypothermia and hyperthermia on the reactivity of rat intracerebral arterioles in vitro. J Neurosurg 75: 433-439, 1991.
  73. Vollmer DG, Dacey RG Jr, Jane JA. Craniocerebral trauma. In: Clinical Neurology, eds. R. G. Joynt. Philadelphia: J.B.Lippincott Co, 1991, pp. 1-80.
  74. Dacey RG Jr. The research training component of a neurosurgical residency. Neurosurgery 28: S3-S4, 1991.
  75. Ogura K, Takayasu M, Kajita Y, Suzuki Y, Shibuya M, Sugita K, Dacey RG Jr. Differential effects of norepinephrine on intracerebral arterioles and venules of rats in vitro. Microcirc Ann 8: 37-38, 1992.
  76. Vollmer DG, Takayasu M, Dacey RG Jr. An in vitro comparative study of conducting vessels and penetrating arterioles after experimental subarachnoid hemorrhage in the rabbit. J Neurosurg 77:113-119, 1992.
  77. Dacey RG Jr, Vollmer DG, Dikmen S. Mild head injury. In: Head Injury, eds. P. R. Cooper. New York: Williams & Wilkins, 1992, pp. 159-182.
  78. Brown AP and Dacey RG Jr. New management techniques in neurosurgery. Current Opinion Neurol Neurosurg 5:799-807, 1992.
  79. Kimura M, Dietrich HH, Huxley V, Reichner DR, and Dacey RG Jr. Measurement of hydraulic conductivity in isolated arterioles of rat brain cortex. Am J Physiol 264: H1788-H1797, 1993.
  80. Kaufman BA and Dacey RG Jr. Acute care management of closed head injury in childhood. Ped Ann 23: 18-28, 1994.
  81. Dietrich HH, Kimura M, Dacey RG Jr. Nw Nitro L Arginine constricts cerebral arterioles without increasing intracellular calcium levels. Am J Physiol 266: H1681-H1686, 1994.
  82. Dietrich HH and Dacey RG Jr. Effects of extravascular acidification and extravascular alkalinization on constriction and depolarization in rat cerebral arterioles in vitro. J Neurosurg 81: 1-6, 1994.
  83. Kimura M, Dietrich HH, Dacey RG Jr. Nitric oxide regulates cerebral arteriolar tone in isolated vessels. Stroke 25: 2227-234, 1994.
  84. Mayberg MR, Batjer HH, Dacey RG Jr, Diringer M, Haley EC, R. C. Heros, L. L. Sternau, and J. Torner. Guidelines for the management of aneurysmal subarachnoid hemorrhage. Circulation 90: 2592-2605, 1994.
  85. Derdeyn CP, Moran CJ, Cross DT, R. Grubb RL, and Dacey RG Jr. Intraoperative digital subtraction angiography: A review of 112 consecutive examinations. Am J Neuroradiol 16: 307-318, 1995.
  86. Batjer HH III, Barrow DL, Dacey RG Jr, Hopkins LN, Stieg PE. Surgical approaches and specific technical problems in aneurysm surgery. In: Neurological Surgery, eds. Mark N. Hadley. St. Louis: Quality Medical Publishing, Inc, 1995, pp. 61-88.
  87. Cross DT, Moran CJ, Brown AP, Oser AB, Goldberg DE, Diego J, and Dacey RG Jr. Endovascular treatment of epistaxis in a patient with tuberculosis and a giant petrous carotid pseudoaneurysm. Am J Neuroradiol 16: 1084-1086, 1995.
  88. Derdeyn C, Moran CJ, Cross DT, Dietrich HH,and Dacey RG Jr. Polyvinyl alcohol particle size and suspension characteristics. Am J Neuroradiol 16: 1335-1343, June, 1995.
  89. Miller JA, Cross DT, Moran CJ, Dacey RG Jr, Diringer MN. Severe thrombocytopenia following intra-arterial papaverine for the treatment of vasospasm. J Neurosurgery 83:(3); 435-437, September, 1995.
  90. Miller JA, Dacey RG Jr, Diringer MN. Safety of hypertensive hypervolemic therapy with phenylephrine in the treatment of vasospasm. Stroke 26:(12) p2260-2266, 1995.
  91. Howard MA III, Dacey RG Jr, Henegar MM, Grady MS, Ritter RC, Gillies GT. Review of magnetic neurosurgery research. Journal of Image Guided Surgery 1:295-299 1995.
  92. Brown A, Derdeyn CP and Dacey RG Jr. Brain abscess and perimeningeal infections. In: Internal Medicine, eds. M. A. Sande. Boston: Little, Brown & Co.
  93. Dacey RG Jr and Vollmer DG. Electrical injuries to the nervous system. In: Neurosurgery Second Edition, eds. R. H. Wilkins and S. S. Rengachary. New York:McGraw-Hill, 1996.
  94. Chicoine M, Cross DT, and Dacey RG Jr. Thrombolytic therapy for occlusive cerebral vascular disease. In: Neurosurgery Second Edition. R. H. Wilkins and S. S. Rengachary. New York: McGraw-Hill, 1996.
  95. Brown AP and Dacey RG Jr. Timing of aneurysm surgery. In: The Practice of Neurosurgery. Tindall GT, Barrow DL, Cooper PR. New York: Williams and Wilkins, 1996.
  96. Dowling JL, Brown AP, Dacey RG Jr. Cerebrovascular complications in the head injured patient. In: Neurotrauma, eds. Narayan RK, Wilberger JE, and Povlischock JT. New York: McGraw-Hill, 1996.
  97. Howard MA III, Henegar MM, Dacey RG Jr, Grady MS, Ritter RC, Gillies GT. Magnetic neurosurgery: Image-guided, remote-controlled movement of neurosurgical implants. Clinical Neurosurgery 43:382-391, 1996.
  98. Howard MA III, Grady MS, Ritter RC, Gillies GT, Broaddus WC, Dacey RG Jr. Magnetic neurosurgery. Stereotactic and Functional Neurosurgery 66:102-107, 1996.
  99. Kajita Y, Dietrich HH, Dacey RG Jr. Effects of oxyhemoglobin on local and propagated vasodilatory responses induced by adenosine, adenosine iphosphate, and adenosine triphosphate in rat cerebral arterioles. J Neurosurgery 85:908-916, 1996.
  100. Dacey RG Jr. Book Review. Neurosurgery, Second Edition. Neurosurgery, 39(4):871, 1996.
  101. Crowder CM, Tempelhoff R, Theard MA, Cheng MA, Todorov A, and Dacey RG Jr. Jugular bulb temperature: Comparison with brain surface and "core" temperatures in neurosurgical patients during mild hypothermia. J. Neurosurgery 85 (1):p98-103, 1996.
  102. Dacey RG Jr. Managed care and managed golf: lessions for neurosurgery in 1995. In: Clinical Neurosurgery 43:1-11, 1996.
  103. Yundt KD, Dacey RG Jr, Diringer MN. Hospital resource utilization in the treatment of cerebral aneurysms. J. Neurosurg 85:403-409, 1996.
  104. Dowling JL, Dacey RG Jr. Factors affecting brain injury in subarachnoid hemorrhage. In: Recovery After Traumatic Brain Injury, Lawrence Erlbaum Associates, Inc. Mahwah, NJ, 1996.
  105. Chicoine MR, Dacey RG Jr Brain abscess and perimeningeal infections. In: Internal Medicine Fifth Edition, Mosby-Year Book, Inc., St. Louis, 1996.
  106. Dietrich HH, Kajita Y, Dacey RG Jr Local and conducted vasomotor responses in isolated rat cerebral arterioles. Am. J Physiol. 271:H1109-H1116, 1996.
  107. Chicoine MR, Dacey RG Jr. Clinical aspects of subarachnoid hemorrhage. In: Primer on Cerebrovascular Diseases, Academic Press, New York 1996.
  108. Dacey RG Jr. Vascular malformations of the spinal cord. In: The Textbook of Spinal Surgery, eds. Bridwell KH and DeWald RL. JB Lippincott Co. Philadelphia, 1997.
  109. Dacey RG Jr. Intramedullary intradural spinal cord tumors. In: The Textbook of Spinal Surgery, eds. Bridwell KH and DeWald RL. JB Lippincott Co. Philadelphia, 1997.
  110. Dacey RG Jr Intracranial aneurysm: Surgical principles In: Cerebrovascular Disease, eds: Batjer et al.. Philadelphia: Lippincott- Raven, 901-914, 1997
  111. Theard MA, Tempelhoff R, Crowder CM, Cheng MA, Todorov A, and Dacey RG Jr. Convection versus conduction cooling for induction of mild hypothermia during neurovascular procedures in adults. Journal of Neurosurgical Anesthesiology 9(3): p250-255, 1997.
  112. Derdeyn CP, Moran CJ, Cross DT, Sherburn EW, Dacey RG Jr. Intracranial aneurysm: Anatomic factors that predict the usefulness of intraoperative angiography. Radiology 205:335-339, 1997.
  113. Milburn JM, Moran CJ, Cross DT, Diringer MN, Pilgram TK, Dacey RG Jr. Effect of intraarterial papaverine on cerebral circulation time. AJNR 18:1081-1085, 1997.
  114. Wispelwey B, Dacey RG Jr, Scheld WM. Brain abscess. In: Infections of the Central Nervous System, Second Edition. Chapter 25, p. 463-493. Lippincott-Raven Publishers, Philadelphia, 1997.
  115. Moran CJ, Cross DT, Derdeyn CP, Dromerick AW, Dacey RG. Expansion of a haematoma after urokinase thrombolysis of superior sagittal sinus thrombosis. Interventional Neuroradiology 3:81-86, 1997.
  116. Kajita Y, Takayasu M, Dietrich HH, Dacey RG Jr Possible role of nitric oxide in autoregulatory response in rat intracerebral arterioles. Neurosurgery 42 (4): p834-841;discussion 841-842, 1998.
  117. Milburn JM, Moran CJ, Cross DT, Diringer MN, Pilgram TK, Dacey RG. Increase in diameters of vasospastic intracranial arteries by intra-arterial papaverine administration. J Neurosurg 88:38-42, 1998.
  118. Garell PC, Mirsky R, Noh MD, Sato Y, Loftus CL, Hitchon PW, Grady MS, Broaddus WC, Graham RS, Dacey RG Jr, Howard MA. Posterior ventricular catheter burr-hole localizer. J Neurosurg 89:157-160, 1998.
  119. Ojemann JG, Neil J, MacLeod A, Silbergeld DL, Dacey RG, Petersen SE, Raichle ME. Increased functional vascular response in the region of a glioma. Journal of Cerebral Blood Flow and Metabolism 18(2):148-153, 1998.
  120. Cross DT, Moran CJ, Angtuaco EE, Milburn JM, Diringer MN, Dacey RG Jr. Intracranial pressure monitoring during intra-arterial papaverine infusion for cerebral vasospasm. American Journal of Neuroradiology 19:1319-1323, 1998.
  121. Ojemann JG, Dacey RG Jr. Neurosurgery Emergencies. In: The Washington Manual of Surgery. Second Edition. Chapter 38, pp. 579-589, Lippincott Williams.
  122. Howard MA III, Dacey RG Jr, Ritter RC, Grady MS, Gillies GT. Magnetically Guided Stereotaxis. Advanced Neurosurgical Navigation. Eds. E. Alexander III and RJ Maciunas, Thieme Medical Publishers, Inc., New York, 1999. Williams & Wilkins, 1999.
  123. Ojemann JG, Moran CJ, Gokden M, Dacey RG Jr. Sagittal sinus occlusion by intraluminal dural cysts. Report of two cases. J Neurosurg 91(5):867-70, November 1999.
  124. Diringer MN, Yundt K, Videen TO, Adams RE, Zazulia AR, Deibert E,Aiyagari V, Dacey RG Jr., Grubb RL Jr., Powers WJ. No reduction in cerebral metabolism as a result of early moderate hyperventilation following severe traumatic brain injury. J. Neurosurg 92: 7-13, January, 2000.
  125. Dietrich HH, Dacey RG Jr. Molecular keys to the problems of cerebral vasospasm. Neurosurg 46(3):517-30 March, 2000. Review.
  126. Dietrich HH, Ellsworth ML, Dacey RG Jr. Red Blood Cell Regulation of Microvascular Tone Through Adenosine Triphosphate. Am J Physiol 278:H1294-H1298, 2000.
  127. M. Sean Grady, M.D., Matthew A. Howard, III, M.D., Ralph G. Dacey, M.D., Walter Blume, Michael Lawson, Peter Werp, Rogers Ritter, Ph.D. An Experimental Study of the Magnetic Stereotaxis System for Catheter Manipulation within the Brain. J Neurosurg 93(2):282-288. August 2000.
  128. Horiuchi T, Dietrich HH, Tsugane S, Dacey RG Jr. Role of Potassium Channels in Regulation of Brain Arteriolar Tone: Comparison of Cerebrum Versus Brain Stem. Stroke 32 (1) 218-224, January, 2001.
  129. Derdeyn CP, Cross D III, Anvar SA, Moran CJ, Dacey RG Jr. Reversal of Focal Misery Perfusion after Intracranial Angioplasty. Neurosurgery, 48, No. 2, February 2001.
  130. Horiuchi T, Dietrich HH, Tsugane S, Dacey RG Jr. Analysis of purine- and pyrimidine-induced vascular responses in the isolated rat cerebral arteriole. Am J Physiol Heart Circ Physiol 280, (2) H767-76. February 2001.
  131. Kajita Y, Takayasu M, Yoshida J, Dietrich HH, Dacey RG Jr. Vasodilatory Effect of Basic Fibroblast Growth Factor in Isolated Rat Cerebral Arterioles: Mechanisms Involving Nitric Oxide & Membrane Hyperpolarization. Neurologia medico-chirugica (Neurol Med Chir Tokoyo) 41:4 177-185, April 2001.
  132. Aiyagari V, Cross D III, Deibert E, Dacey RG Jr, Diringer MN. Safety of hemodynamic augmentation in patients treated with Guglielmi detachable coils following acute aneurysmal subarachnoid hemorrhage. Stroke 32 (9) 1994-7 September, 2001.
  133. Diringer MN, Videen TO, Yundt K, Zazulia AR, Aiyagari V, Dacey RG Jr., Grubb RL Jr., Powers WJ. Regional Cerebrovascular and Metabolic Effects of Hyperventilation Following Severe Traumatic Brain Injury. J Neurosurg 96:103-108, 2002.
  134. Diringer MN, Dacey RG Jr. Traumatic Brain Injury and Hyperventilation. J Neurosurg 96:155-157, 2002.
  135. Horiuchi T, Dietrich HH, Hongo K, Tsugane S, and Dacey RG Jr. Role of Endothelial Nitric Oxide and Smooth Muscle Potassium Channels in Cerebral Arteriolar Dilation to Acidosis. Stroke. 2002 Mar;33(3):844-849.
  136. Derdeyn CP,Cross DT, Moran CJ, Brown GW, Pilgram TK, Diringer MN, Grubb RL, Rich KM, Chicoine MR, Dacey RG. Postprocedure Ischemic Events After Treatment of Intracranial Aneurysms with Guglielmi Detachable Coils. J Neurosurg 96:837-843, May 2002.
  137. Jeck DT, Leonard JR, Cross DT 3rd, Moran CJ, Dacey RG Jr, Derdeyn CP. Rapid Enlargement of a Posterior Communicating Artery Aneurysm After Guglielmi Detachable Coil Treatment of Ipsilateral Carotid Artery Aneurysms. AJNR Am J Neuroradiol. 2002 Oct;23(9):1577-1579.
  138. Horiuchi T, Dietrich HH, Hongo K, and Dacey RG Jr. Mechanism of Extracellular K+ - Induced Local and Conducted Responses in Cerebral Penetrating Arterioles. Stroke. 2002 Nov;33:2692-2699.
  139. Fox DJ, Moran CJ, Chicoine MR, Rich KM, Grubb RL Jr, Dacey RG Jr, Derdeyn CP. Long-term Outcome After Angioplasty and Stenting for Symptomatic Extracranial Carotid Stenosis in poor surgical candidates. Stroke. 2002 Dec;33:2877-80.
  140. Leuthardt EC, Fox DJ, Ojemann GA, Dacey RG, Grubb RL, Rich KM, Ojemann JG. Frameless Stereotaxy Without Rigid Pin Fixation During Awake Craniotomies. Stereotactic and Functional Neurosurgery. 2002; 79:256-261.
  141. Dietrich HH, Ellsworth ML and Dacey RG. The Red Blood Cell, ATP and Integrated Vascular Responses to Neuronal Stimulation. Excerpta Medica 1235:277-287, 2002.
  142. Deibert E, Barzilai B, Braverman A, Edwards DF, Aiygari V, Garcia-Morales E, Dacey RG Jr, Diringer M. The Clinical Significance of Elevated Troponin I in Patients with Nontraumatic Subarachnoid Hemorrhage. J Neurosurg. 2003 Apr;98(4):741-6.
  143. Horiuchi T, Dietrich HH, Hongo K, Dacey RG Jr. Comparison of Purinoceptor Subtypes Producing Dilation in Rat Intracerebral Arterioles. Stroke. June 2003;34(6):1473-1478.
  144. Roberts GA, Dacey RG. Management of Cerebral Aneurysms. General Techniques of Aneurysm Surgery. In: Management of Cerebral Aneurysms. Chapter 37 Editors PD LeRoux and HR Winn, Elsevier July, 2003.
  145. Cross D, Dacey RG. Endovascular Microsurgery. J Neurosurg, Aug 2003;99(1):1-2; discussion 2.
  146. Day AL, Gaposchkin CG, Yu CJ, Rivet DJ, Dacey RG Jr. Spontaneous Fusiform Middle Cerebral Artery Aneurysms – Natural History and Treatment. J Neurosurg, Aug 2003;99(2):228-240.
  147. Cross DT, Tirshwell DL, Clark MA, Tuden D, Derdeyn CP, Moran CJ, Dacey RG. Mortality Rates After Subarachnoid Hemorrhage; Variations According to Hospital Case Volume in 18 States. J Neurosurg, Nov 2003;99(5):810-817.
  148. Krishnamurthy S, Leiberman K, Dacey RG, Hodge CJ. Craniocerebral Trauma. In: Baker’s Textbook of Neurology. Lippincott Williams & Wilkins, 2003.
  149. Dacey RG. Regulation of Neurosurgical Innovation. J Neurosurg, Jan 2004;100(1):1;discussion 1.
  150. Dacey RG. Volume Outcome. J Neurosurg, Feb 2004;100(2):83-4;discussion 84-5.
  151. Qu F, Aiyagari V, Cross DT, Dacey RG, Diringer MN. Untreated Subarachnoid Hemorrhage: Who, When and Why? J Neurosurg 2004 Feb;100(2):244-249.
  152. Barrocas AM, Derdeyn CP, Cross DT 3rd, Moran CJ, Dacey RG, Jr. Histologic and hemodynamic effects of endosaccular platinum coils for intracranial aneurysm. J Long Term Eff Med Implants. 2004;14(3):225-242.
  153. Zipfel GJ, Dacey RG. Update on the management of unruptured intracranial aneurysms. Neurosurg Focus. 2004 Nov 15;17(5):E2.
  154. Rivet DJ, Dacey RG. Visual loss from a dolichoectatic anterior cerebral artery. Case illustration. J Neurosurg. 2005 Mar;102(3):576.
  155. Rivet DJ, Wanebo JE, Roberts GA, Dacey RG Jr. Use of a side branch in a saphenous vein interposition graft for high-flow extracranial-intracranial bypass procedures. Technical note. J Neurosurg. 2005 Jul;103(1):186-7.
  156. Fox DJ Jr, Derdeyn CP, Dacey RG Jr. Giant Fusiform Aneurysm of the Middle Cerebral Artery. In: Neurosurgery of Complex Vascular Lesions and Tumors. Chapter 11. Editor S Kobayashi, Thieme, 2005.
  157. Hallemeier CL, Rich KM, Grubb RL Jr, Chicoine MR, Moran CJ, Cross DT 3rd, Zipfel GJ, Dacey RG Jr, Derdeyn CP. Clinical Features and Outcome in North American Adults With Moyamoya Phenomenon. Stroke 2006 Jun;37(6): 1490-6.
  158. Terry A, Zipfel G, Milner E, Cross DT 3rd, Moran CJ, Diringer MN, Dacey RG Jr, Derdeyn CP. Safety and technical efficacy of over-the-wire balloons for the treatment of subarachnoid hemorrhage-induced cerebral vasospasm. Neurosurg Focus. 2006 Sep 15;21(3).
  159. Elsayed AA, Moran CJ, Cross DT 3rd, Derdeyn CP, Pilgram TK, Milburn JM, Dacey RG Jr, Diringer MN Jr. Effect of intraarteria papaverine and/or angioplasty on the cerebral veins in patients with vasospasm after subarachnoid hemorrhage due to ruptured intracranial aneurysms. Neurosurg Focus. 2006 Sep 15;21(3).
  160. Zipfel GJ, Derdeyn CP, Dacey RG Jr. Current status of manpower needs for management of cerebrovascular disease. Neurosurgery. 2006 Nov;59(5 Suppl 3):S261-70.
  161. Wanebo JE, Ojemann JG, Dacey RG Jr. Supratentorial Lobar Arteriovenous Malformations In: Intracranial Arteriovenous Malformations. Chapter 16, pp. 217-244. Editors Stieg PS, Batjer HH, Samson D: New York: Informa Healthcare, 2007.
  162. Yamada NK, Cross DT 3rd, Pilgram TK, Moran CJ, Derdeyn CP, Dacey RG Jr. Effect of antiplatelet therapy on thromboembolic complications of elective coil embolization of cerebral aneurysms. Am J Neuroradiol. 2007 Oct;28(9):1778-82.
  163. Chicoine MC, Dacey RG: Middle Cerebral Artery Aneurysms. In Sekhar L, Fessler R: Atlas of Neurosurgical Techniques, Chapter 8 pp131-141. Thieme Medical Publishers, New York, 2007.
  164. Bregy A, Alfieri A, Demertzis S, Mordasini P, Jetzer AK, Kuhlen D, Schaffner T, Dacey R, Steiger HJ, Reinert M. Automated end-to-side anastomosis to the middle cerebral artery: a feasibility study. J Neurosurg. 2008 Mar;108(3):567-74.
  165. Limbrick DD Jr, Lusis EA, Chicoine MR, Rich KM, Dacey RG, Dowling JL, Grubb RL, Filiput EA, Dryzmala RE, Mansur DB, Simpson JR. Combined surgical resection and stereotactic radiosurgery for treatment of cerebral metastases. Surg Neurol. Apr 17, 2008.
  166. Dacey RG, Zipfel GJ, Ashley W, Chicoine MC, Reinert M. Automated, compliant, high-flow common carotid to middle cerebral artery bypass: technical note. J Neurosurg. 2008 Sep;109(3):559-64.
  167. Rich KM, Dacey RG Jr. Neurosurgery in the 21st century: The role of intraoperative imaging during neurosurgery for neuro-oncology and neuro-vascular disease. Mo Med. 2008 Sep-Oct;105(5):400-2.
  168. Johnston JM, Chicoine MR, Dacey RG Jr, Zipfel GJ. Aneurysmal subarachnoid hemorrhage, hydrocephalus, and acute paraparesis. Neurosurgery. 2008 Dec;63(6):1119-24; discussion 1124.
  169. Zipfel GJ, Dacey RG, Jr. Aneurysm Surgery: General Principles. In: Macdonald RL, ed. Vascular Neurosurgery Neurosurgical Operative Atlas 2009 2nd edition Thieme, in press.
  170. Basak S, Brogan D, Dietrich HH, Ritter R, Dacey RG, Biswas P. Transport characteristics of nanoparticle-based ferrofluids in a gel model of the brain. Int J Nanomedicine. 2009;4(1):9-26.
  171. Ray WZ, Moran, CJ, Derdeyn CP, Diringer MN, Dacey RG, Zipfel GJ. Near-complete resolution of angiographic cerebral vasospasm after extreme elevation of mean arterial pressure: case report. Surg Neurol 2009, Jan 13.
  172. Strom RG, Botros JA, Refai D, Moran CJ, Cross DT 3rd, Chicoine MR, Grubb RL Jr, Rich KM, Dacey RG Jr, Derdeyn CP, Zipfel GJ. Cranial dural arteriovenous fistulae: asymptomatic cortical venous drainage portends less aggressive clinical course. Neurosurgery. 2009 Feb;64(2):241-7; discussion 247-8.
  173. Bederson JB, Connolly ES Jr, Batjer HH, Dacey RG, Dion JE, Diringer MN, Duldner JE Jr, Harbaugh RE, Patel AB, Rosenwasser RH. Guidelines for the Management of Aneurysmal Subarachnoid Hemorrhage. A Statement for Healthcare Professionals From a Special Writing Group of the Stroke Council, American Heart Association. Stroke. 2009 Mar;40(3):994-1025.
  174. Zipfel GJ, Sagar J, Miller JP, Videen TO, Grubb RL Jr, Dacey RG Jr, Derdeyn CP. Cerebral hemodynamics as a predictor of stroke in adult patients with moyamoya disease: a prospective observational study. Neurosurg Focus. 2009 Apr;26(4):E6.
  175. Grady MS, Batjer HH, Dacey RG. Resident duty hours regulation and patient safety: establishing a balance between concerns, resident fatigue and adequate training in neurosurgery. J Neurosurg. 2009 May;110(5):828-36.
  176. Zipfel GJ, Shah MN, Refai D, Dacey RG, Derdeyn CP. Cranial dural arteriovenous fistulas: modification of angiographic classification scales based on new natural history data. Neurosurg Focus. 2009 May;26(5):E14.
  177. Xiang C, Dacey RG, Dietrich HH. Direct evidence that glutamate regulates cerebral microvessels via astrocyte released EETs. Submitted, Nature Neuroscience.
  178. Kalra RR, Terry A, Zahner M, Gao F, Nicoletti LK, Rich KM, Grubb RL Jr, Dowling JD, Wright NW, Zipfel GJ, Dacey RG, Chicoine MR. Retrospective analysis for the use of Gliadel in patients with malignant gliomas. Submitted, Journal of Neurosurgery.