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Ralph G. Dacey Jr., MD

Professor, Neurological Surgery
Chairman, Neurological Surgery

Specialty Areas

Aneurysms
Cerebrovascular Disease
Pituitary Tumors
Arteriovenus Malformation
Brain Tumors
Neurovascular Disorders
Aneurysms and Vascular Malformations
Neurosurgery

Board Certifications

Internal Medicine
Neurological Surgery

Hospital Affiliations

Barnes-Jewish Hospital
St. Louis Children's Hospital

Areas of Clinical Interest

Intracranial aneurysms, subarachnoid hemorrhage, arteriovenous malformations, carotid stenosis, cavernous malformation, pituitary tumors, meningioma, brain tumors, peripheral nerve compression, cervical disc herniation, lumbar disc herniation, Pituitary Center

  • Maps & Directions
  • Education
  • Publication & Research
  • Financial Disclosures
  • Videos

Maps & Directions

Maps & Directions

Center for Advanced Medicine
Neuroscience Center

4921 Parkview Place
St. Louis, MO 63110

Suite: C
Floor: 6
Office Phone: (314) 362-3577
Fax: (314) 362-2107

Education

Education

Chief Residency: Neurosurgery, University of Virginia, Charlottesville, Virginia 1983
Residency: Neurosurgery, University of Virginia, Charlottesville, Virginia 1981
Residency: Surgery, University of Virginia , Charlottesville, Virginia 1977
Residency: Internal Medicine, Strong Memorial Hospital, Rochester, New York 1976
Medical Degree: University Of Virginia, Charlottesville, Virginia 1974
B.A.: Harvard University, Boston, Massachusetts 1970

Publication & Research

Publication & Research

Seniorization of Tasks in the Academic Medical Center: A Worrisome Trend.
Dacey RG Jr, Nasca TJ
J Am Coll Surg. 2018 Nov 24; pii: S1072-7515(18)32187-2. doi: 10.1016/j.jamcollsurg.2018.11.009.

PMID:
    30481550
    [PubMed - as supplied by publisher]
Related citations


Hemodynamic Impairment Measured by Positron-Emission Tomography Is Regionally Associated with Decreased Cortical Thickness in Moyamoya Phenomenon.
Lee JJ, Shimony JS, Jafri H, Zazulia AR, Dacey RG Jr, Zipfel GR, Derdeyn CP
AJNR Am J Neuroradiol. 2018 Nov; 39(11)2037-2044. doi: 10.3174/ajnr.A5812.

PMID:
    30361434
    [PubMed - in process]
Related citations


Withholding Perioperative Steroids in Patients Undergoing Transsphenoidal Resection for Pituitary Disease: Randomized Prospective Clinical Trial to Assess Safety.
Sterl K, Thompson B, Goss CW, Dacey RG, Rich KM, Zipfel GJ, Chicoine MR, Kim AH, Silverstein JM
Neurosurgery. 2018 Oct 15; doi: 10.1093/neuros/nyy479.

PMID:
    30325449
    [PubMed - as supplied by publisher]
Related citations


Treatment of pediatric intracranial aneurysms: case series and meta-analysis.
Yasin JT, Wallace AN, Madaelil TP, Osbun JW, Moran CJ, Cross DT, Limbrick DD, Zipfel GJ, Dacey RG, Kansagra AP
J Neurointerv Surg. 2018 Aug 12; pii: neurintsurg-2018-014001. doi: 10.1136/neurintsurg-2018-014001.

PMID:
    30100557
    [PubMed - as supplied by publisher]
Related citations


Developmental stages in the career of an academic neurosurgeon.
Dacey RG Jr
J Neurosurg. 2018 Aug 3; 1-6. doi: 10.3171/2018.4.JNS18621.

PMID:
    30074467
    [PubMed - as supplied by publisher]
Related citations


Shunt scissors: technical note.
Dacey RG, Flouty OE, Grady MS, Howard MA 3rd, Mayberg MR
J Neurosurg. 2017 Dec 8; 1-3. doi: 10.3171/2017.6.JNS171108.

PMID:
    29219754
    [PubMed - as supplied by publisher]
Related citations


Direct puncture Onyx embolization of a large calvarial metastasis with intracranial extension: Case report.
Zhou MH, Dunn GP, Osbun JW, Cross DT 3rd, Moran CJ, Dacey RG Jr, Kansagra AP
Interv Neuroradiol. 2018 Apr; 24(2)220-224. doi: 10.1177/1591019917740353.

PMID:
    29119877
    [PubMed - indexed for MEDLINE]
Related citations


In Reply: Neurosurgical Education in a Changing Healthcare and Regulatory Environment: A Consensus Statement From 6 Programs.
Kim DH, Dacey RG, Zipfel GJ, Berger MS, McDermott M, Barbaro NM, Shapiro SA, Solomon RA, Harbaugh R, Day AL
Neurosurgery. 2017 Oct 1; 81(4)E47. doi: 10.1093/neuros/nyx348.

PMID:
    28934443
    [PubMed - in process]
Related citations


A Review and Survey of Neurosurgeon-Hospital Relationships: Evolution and Options.
Kim DH, Duco B, Wolterman D, Stokes C, Brace R, Solomon RA, Barbaro N, Westmark R, MacDougall D, Bean J, O'Leary J, Moayeri N, Dacey RG Jr, Berger MS, Harbaugh R
Neurosurgery. 2017 Apr 1; 80(4S)S10-S18. doi: 10.1093/neuros/nyw171.

PMID:
    28375496
    [PubMed - indexed for MEDLINE]
Related citations


Baseline Hemodynamic Impairment and Future Stroke Risk in Adult Idiopathic Moyamoya Phenomenon: Results of a Prospective Natural History Study.
Derdeyn CP, Zipfel GJ, Zazulia AR, Davis PH, Prabhakaran S, Ivan CS, Aiyagari V, Sagar JR, Hantler N, Shinawi L, Lee JJ, Jafri H, Grubb RL Jr, Miller JP, Dacey RG Jr
Stroke. 2017 Apr; 48(4)894-899. doi: 10.1161/STROKEAHA.116.014538.

PMID:
    28283605
    [PubMed - indexed for MEDLINE]
Related citations


Neurosurgical Education in a Changing Healthcare and Regulatory Environment: A Consensus Statement from 6 Programs.
Kim DH, Dacey RG, Zipfel GJ, Berger MS, McDermott M, Barbaro NM, Shapiro SA, Solomon RA, Harbaugh R, Day AL
Neurosurgery. 2017 Apr 1; 80(4S)S75-S82. doi: 10.1093/neuros/nyw146.

PMID:
    28204661
    [PubMed - indexed for MEDLINE]
Related citations


The relationship of cortical folding and brain arteriovenous malformations.
Shah MN, Smith SE, Dierker DL, Herbert JP, Coalson TS, Bruck BS, Zipfel GJ, Van Essen DC, Dacey RG Jr
Neurovasc Imaging. 2016; 2pii: 13. doi: 10.1186/s40809-016-0024-3.

PMID:
    28009020
    [PubMed]
Related citations


Endovascular management of internal carotid artery injuries secondary to endonasal surgery: case series and review of the literature.
Sylvester PT, Moran CJ, Derdeyn CP, Cross DT, Dacey RG, Zipfel GJ, Kim AH, Uppaluri R, Haughey BH, Tempelhoff R, Rich KM, Schneider J, Chole RA, Chicoine MR
J Neurosurg. 2016 Nov; 125(5)1256-1276.

PMID:
    26771847
    [PubMed - indexed for MEDLINE]
Related citations


Reverberation index: a novel metric by which to quantify the impact of a scientific entity on a given field.
Kathleen Bandt S, Dacey RG Jr
J Neurosurg. 2017 Sep; 127(3)694-698. doi: 10.3171/2016.7.JNS152387.

PMID:
    27715434
    [PubMed - in process]
Related citations


Predictors of 30-day readmission after aneurysmal subarachnoid hemorrhage: a case-control study.
Greenberg JK, Guniganti R, Arias EJ, Desai K, Washington CW, Yan Y, Weng H, Xiong C, Fondahn E, Cross DT, Moran CJ, Rich KM, Chicoine MR, Dhar R, Dacey RG Jr, Derdeyn CP, Zipfel GJ
J Neurosurg. 2017 Jun; 126(6)1847-1854. doi: 10.3171/2016.5.JNS152644.

PMID:
    27494820
    [PubMed - in process]
Related citations


Endovascular parent vessel sacrifice in ruptured dissecting vertebral and posterior inferior cerebellar artery aneurysms: clinical outcomes and review of the literature.
Madaelil TP, Wallace AN, Chatterjee AN, Zipfel GJ, Dacey RG Jr, Cross DT 3rd, Moran CJ, Derdeyn CP
J Neurointerv Surg. 2016 Aug; 8(8)796-801. doi: 10.1136/neurintsurg-2015-011732.

PMID:
    27417905
    [PubMed - indexed for MEDLINE]
Related citations


Natural history of colloid cysts of the third ventricle.
Beaumont TL, Limbrick DD Jr, Rich KM, Wippold FJ 2nd, Dacey RG Jr
J Neurosurg. 2016 Dec; 125(6)1420-1430.

PMID:
    26967781
    [PubMed - indexed for MEDLINE]
Related citations


Obituary: John Anthony Jane Sr., MD, PhD, 1931-2015.
Dacey RG Jr
J Neurosurg. 2016 Jan; 2016(1)1-4. doi: 10.3171/2015.9.JNS152183.test.

PMID:
    28306407
    [PubMed]
Related citations


Mechanisms of magnesium-induced vasodilation in cerebral penetrating arterioles.
Murata T, Dietrich HH, Horiuchi T, Hongo K, Dacey RG Jr
Neurosci Res. 2016 Jun; 10757-62. doi: 10.1016/j.neures.2015.12.005.

PMID:
    26712324
    [PubMed - indexed for MEDLINE]
Related citations


Radiation Therapy for Residual or Recurrent Atypical Meningioma: The Effects of Modality, Timing, and Tumor Pathology on Long-Term Outcomes.
Sun SQ, Cai C, Murphy RK, DeWees T, Dacey RG, Grubb RL, Rich KM, Zipfel GJ, Dowling JL, Leuthardt EC, Simpson JR, Robinson CG, Chicoine MR, Perrin RJ, Huang J, Kim AH
Neurosurgery. 2016 Jul; 79(1)23-32. doi: 10.1227/NEU.0000000000001160.

PMID:
    26645969
    [PubMed - indexed for MEDLINE]
Related citations

Financial Disclosures

Financial Disclosures

Disclosure of Financial Interests with Industry

Washington University and its physicians and health professionals are committed to ensuring integrity and objectivity in medical decision-making. Some of our physicians and health professionals work collaboratively with pharmaceutical, medical device or other medical care related companies to develop innovative ideas and products that can improve health care delivery and clinical outcomes for patients. In some instances, our physicians and health professionals have an ownership or potential ownership interest in a commercial company; and/or are paid by a commercial company to provide advice on product design or to speak about the use of medications, devices, equipment or procedures. These payments may include: a) compensation for consulting and speaking engagements, b) equity, and/or c) royalties for products invented by our faculty. Any payments to Washington University physicians or health professionals must be based on tangible services and may not exceed fair market value for their work. In addition to disclosure on this website, physicians and health professionals earning more than $10,000 per year must disclose their corporate financial relationship in writing to patients when prescribing or using that company's products.

This physician reported the following financial interests during calendar year 2017:

Company Name: Acera

Royalties:

Equity: Yes

Consulting/Advisory Board:

Speaker Fees:

Reporting Date: May 01, 2018


Company Name: Elira

Royalties:

Equity: Yes

Consulting/Advisory Board:

Speaker Fees:

Reporting Date: May 01, 2018


Company Name: Endostim

Royalties:

Equity: Yes

Consulting/Advisory Board:

Speaker Fees:

Reporting Date: May 01, 2018


Company Name: Pulse Therapeutics

Royalties:

Equity: Yes

Consulting/Advisory Board:

Speaker Fees:

Reporting Date: May 01, 2018


Company Name: Stereotaxis

Royalties:

Equity: Yes

Consulting/Advisory Board:

Speaker Fees:

Reporting Date: May 01, 2018

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