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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

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

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 - in process]
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 - in process]
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 - in process]
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 - in process]
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. 2016 Oct 7; 1-5. doi: 10.3171/2016.7.JNS152387.

PMID:
    27715434
    [PubMed - as supplied by publisher]
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. 2016 Aug 5; 1-8. doi: 10.3171/2016.5.JNS152644.

PMID:
    27494820
    [PubMed - as supplied by publisher]
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 - in process]
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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 - in process]
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]
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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 - in process]
Related citations


Obituary: John Anthony Jane Sr., MD, PhD, 1931-2015.
Dacey RG Jr
J Neurosurg. 2016 Jan; 124(1)1-4. doi: 10.3171/2015.9.JNS152183.

PMID:
    26495940
    [PubMed - indexed for MEDLINE]
Related citations


Resident duty hour regulations: time for reassessment and revision.
Dacey RG Jr
J Neurosurg. 2016 Mar; 124(3)840-1. doi: 10.3171/2015.4.JNS15574.

PMID:
    26473775
    [PubMed - indexed for MEDLINE]
Related citations


Utility of Screening for Cerebral Vasospasm Using Digital Subtraction Angiography.
Arias EJ, Vajapey S, Reynolds MR, Chicoine MR, Rich KM, Dacey RG Jr, Dorward IG, Derdeyn CP, Moran CJ, Cross DT 3rd, Zipfel GJ, Dhar R
Stroke. 2015 Nov; 46(11)3137-41. doi: 10.1161/STROKEAHA.115.010081.

PMID:
    26405204
    [PubMed - indexed for MEDLINE]
Related citations


Causes of 30-day readmission after aneurysmal subarachnoid hemorrhage.
Greenberg JK, Washington CW, Guniganti R, Dacey RG Jr, Derdeyn CP, Zipfel GJ
J Neurosurg. 2016 Mar; 124(3)743-9. doi: 10.3171/2015.2.JNS142771.

PMID:
    26361278
    [PubMed - indexed for MEDLINE]
Related citations


A Phase I proof-of-concept and safety trial of sildenafil to treat cerebral vasospasm following subarachnoid hemorrhage.
Washington CW, Derdeyn CP, Dhar R, Arias EJ, Chicoine MR, Cross DT, Dacey RG Jr, Han BH, Moran CJ, Rich KM, Vellimana AK, Zipfel GJ
J Neurosurg. 2016 Feb; 124(2)318-27. doi: 10.3171/2015.2.JNS142752.

PMID:
    26314998
    [PubMed - indexed for MEDLINE]
Related citations


Microsurgical confirmation of perforating arteries arising from the fundus of a posterior communicating artery aneurysm.
Reynolds MR, Roland JL, Kamath AA, Cross DT 3rd, Dacey RG Jr
Neurosurg Focus. 2015 Jul; 39 Video Suppl 1V16. doi: 10.3171/2015.7.FocusVid.14628.

PMID:
    26132614
    [PubMed - indexed for MEDLINE]
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A CDC20-APC/SOX2 Signaling Axis Regulates Human Glioblastoma Stem-like Cells.
Mao DD, Gujar AD, Mahlokozera T, Chen I, Pan Y, Luo J, Brost T, Thompson EA, Turski A, Leuthardt EC, Dunn GP, Chicoine MR, Rich KM, Dowling JL, Zipfel GJ, Dacey RG, Achilefu S, Tran DD, Yano H, Kim AH
Cell Rep. 2015 Jun 23; 11(11)1809-21. doi: 10.1016/j.celrep.2015.05.027.

PMID:
    26074073
    [PubMed - indexed for MEDLINE]
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Surgical Revascularization in North American Adults with Moyamoya Phenomenon: Long-Term Angiographic Follow-up.
Arias EJ, Dunn GP, Washington CW, Derdeyn CP, Chicoine MR, Grubb RL Jr, Moran CJ, Cross DT 3rd, Dacey RG Jr, Zipfel GJ
J Stroke Cerebrovasc Dis. 2015 Jul; 24(7)1597-608. doi: 10.1016/j.jstrokecerebrovasdis.2015.03.053.

PMID:
    25972283
    [PubMed - indexed for MEDLINE]
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