Robert 'Nick' Bryan, MD, PhD

Chair of Diagnostic Medicine; Director of Diagnostic Medicine

1969 …2019
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Personal profile


R. Nick Bryan is the chair of the Department of Diagnostic Medicine for Dell Medical School. He oversees diagnostic activities for the school, encompassing the traditional areas of radiology, pathology and laboratory medicine. This approach merges key components of diagnostic examinations that determine the health status of patients, ensuring that these skills are taught and used in an integrated way.

Bryan came to Austin from the University of Pennsylvania School of Medicine, where he served as the Eugene P. Pendergrass Professor and Chair of Radiology. A nationally known leader, thinker and innovator in the field, he also is past president of the Radiological Society of North America, the American Society of Neuroradiology, and the American Society of Head and Neck Radiology.

Bryan previously served at the Johns Hopkins University School of Medicine, where he was professor of radiology and neurosurgery, director of the Neuroradiology Division and vice chairman of the Department of Radiology. He spent much of his childhood in Texas and earned degrees at the University of Texas Medical Branch in Galveston. He previously was director of neuroradiology at Methodist Hospital in Houston and a professor of radiology at Baylor College of Medicine.

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Research Output 1969 2019

2 Citations (Scopus)

Artificial intelligence for precision education in radiology

Duong, M. T., Rauschecker, A. M., Rudie, J. D., Chen, P. H., Cook, T. S., Bryan, R. N. & Mohan, S., Jan 1 2019, In : British Journal of Radiology. 92, 1103, 20190389.

Research output: Contribution to journalReview article

Artificial Intelligence
Precision Medicine
Medical Education
1 Citation (Scopus)

Characterizing a perfusion-based periventricular small vessel region of interest

Dolui, S., Tisdall, D., Vidorreta, M., Jacobs, D. R., Nasrallah, I. M., Bryan, R. N., Wolk, D. A. & Detre, J. A., Jan 1 2019, In : NeuroImage: Clinical. 23, 101897.

Research output: Contribution to journalArticle

Open Access
Cerebrovascular Circulation
Cerebral Small Vessel Diseases
White Matter
Alzheimer Disease

Cigarette smoking and cerebral blood flow in a cohort of middle-aged adults

Elbejjani, M., Auer, R., Dolui, S., Jacobs, D. R., Haight, T., Goff, D. C., Detre, J. A., Davatzikos, C., Bryan, R. N. & Launer, L. J., Jul 1 2019, In : Journal of Cerebral Blood Flow and Metabolism. 39, 7, p. 1247-1257 11 p.

Research output: Contribution to journalArticle

Cerebrovascular Circulation
Occipital Lobe
Parietal Lobe

Cigarette smoking and gray matter brain volumes in middle age adults: the CARDIA Brain MRI sub-study

Elbejjani, M., Auer, R., Jacobs, D. R., Haight, T., Davatzikos, C., Goff, D. C., Bryan, R. N. & Launer, L. J., Dec 1 2019, In : Translational Psychiatry. 9, 1, 78.

Research output: Contribution to journalArticle

Open Access
Blood Vessels
98 Citations (Scopus)

Effect of Intensive vs Standard Blood Pressure Control on Probable Dementia: A Randomized Clinical Trial

Williamson, J. D., Pajewski, N. M., Auchus, A. P., Bryan, R. N., Chelune, G., Cheung, A. K., Cleveland, M. L., Coker, L. H., Crowe, M. G., Cushman, W. C., Cutler, J. A., Davatzikos, C., Desiderio, L., Erus, G., Fine, L. J., Gaussoin, S. A., Harris, D., Hsieh, M. K., Johnson, K. C., Kimmel, P. L. & 27 others, Tamura, M. K., Launer, L. J., Lerner, A. J., Lewis, C. E., Martindale-Adams, J., Moy, C. S., Nasrallah, I. M., Nichols, L. O., Oparil, S., Ogrocki, P. K., Rahman, M., Rapp, S. R., Reboussin, D. M., Rocco, M. V., Sachs, B. C., Sink, K. M., Still, C. H., Supiano, M. A., Snyder, J. K., Wadley, V. G., Walker, J., Weiner, D. E., Whelton, P. K., Wilson, V. M., Woolard, N., Wright, J. T. & Wright, C. B., Feb 12 2019, In : JAMA - Journal of the American Medical Association. 321, 6, p. 553-561 9 p.

Research output: Contribution to journalArticle

Randomized Controlled Trials
Blood Pressure