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Russell P. Sawyer, MD

Associate Professor of Clinical

Neurology & Rehabilitation Medicine | College of Medicine

Education/Credentials
  • Fellowship: University of Cincinnati Medical Center (Behavioral Neurology)
  • Residency: University of Cincinnati Medical Center (Neurology)
  • MD: St. George's University Medical School (Medicine)
  • Bachelor of Science: University of California Davis (Psychology, Minor-Neuroscience)
Board Certifications & Licenses

American Board of Psychiatry and Neurology (Neurology) (Certification Date: 2017-09-11)
United Council for Neurologic Subspecialties (Certification Date: 2018-11-30)

Specialties

Behavioral Neurology & Neuropsychiatry
Neurology

Contact Information
Research Interests

Dementia, Memory Disorder, Cognitive Behavioral

Clinical Interests

Cognitive Aging

Cognitive Disorders

Internal Medicine

Neurology

Alzheimer's Disease

Amnesia

Aphasia

Chronic Traumatic Encephalopathy

Cognition Disorders

Dementia

Dysarthria

Early Anset Dementia

Epilepsy-Related Cognitive Dysfunction

Lewy Body Dementia

Lewy Body Disease

Mad Cow Disease (Creutzfeldt-Jakob disease)

Memory Disorders

Metabolic Brain Disease

Mild Cognitive Impairment

Multi-Infarct Dementia

Multiple System Atrophy (MSA)

Neuralgias

Neurogenic Inflammation

Neuropathic Facial Pain

Normal Pressure Hydrocephalus

Orthostatic Hypotension (Postural Hypotension)

Paraphasic Error

Paroxysmal Hemicrania

Pick's Disease (Frontotemporal dementia)

Posterior Cortical Atrophy

Postherpetic Neuralgia

Post-Traumatic Headache

Prion Disease

Pseudobulbar Palsy

Pseudotumor Cerebri (Idiopathic Intracranial Hypertension)

Rare Cognitive Disorders

Stroke-Related Cognitive Dysfunction

Tauopathies

TDP-43 Proteinopathies

Vascular Cognitive Impairment

Vascular Dementia

Peer Reviewed Publications

Bowers, Katherine; Bhoopathy, Krishna; Szczesniak, Rhonda; Sawyer, Russell P; Shah, Amy S; Ehrlich, Shelley; Dolan, Lawrence M; Summer, Suzanne; Smith, Emily; Altaye, Mekibib; Ollberding, Nicholas J; Catalano, Patrick; Khoury, Jane C 2026. Long-Term Effects of Maternal Glycemic Measures in Pregnancy and Offspring Adverse Glycemic Outcomes: Results from the TEAM Study. American journal of perinatology, 43 8, 1082-1090

Kim, Daeeun; McInerney, Katelyn; Dagli, Chaitali; Armstrong, Nicole D; Cushman, Mary; Bennett, Aleena; Blue, Elizabeth E; Sofer, Tamar; Sawyer, Russell P; Yuan, Ya; Crowe, Michael; Judd, Suzanne E; Olson, Nels C; Irvin, Marguerite R; Raffield, Laura M 2026. Influence of Cardiometabolic and Alzheimer Disease Genetics on Cognitive-Related Outcomes in a Diverse Population. Neurology, 107 1, e218163

Sawyer, Russell P; Blair, Jessica; Judd, Suzanne E; Olson, Nels C; Howard, Virginia J; Armstrong, Nicole D; Long, D Leann; Hyacinth, Hyacinth I; Sargent, Lana; Manly, Jennifer J; Cushman, Mary 2026. Circulating Biomarkers of Neurodegeneration and All-Cause and Dementia-Specific Mortality. Neurology, 106 7, e214752

Behymer, Tyler P; Sekar, Padmini; Demel, Stacie L; Aziz, Yasmin N; Coleman, Elisheva R; Williamson, Brady J; Stanton, Robert J; Sawyer, Russell P; Turner, Ashby C; Vagal, Vaibhav S; Osborne, Jennifer; Gilkerson, Lee A; Comeau, Mary E; Flaherty, Matthew L; Langefeld, Carl D; Woo, Daniel 2025. Psychosocial Stress and Risk for Intracerebral Hemorrhage in the ERICH (Ethnic/Racial Variations of Intracerebral Hemorrhage) Study. Journal of the American Heart Association, 14 6, e024457

Del Bene, Victor A; Howard, George; Gropen, Toby I; Lyerly, Michael J; Howard, Virginia J; Sawyer, Russell P; Lazar, Ronald M 2025. Cognitive Decline After First-Time Transient Ischemic Attack. JAMA neurology, 82 4, 323-32

DeLano, Kelly; Sprague, Alex C; Jandarov, Roman; Jackson, Brian P; Shatz, Rhonna; Langevin, Scott M; Sawyer, Russell P 2025. Association of plasma concentration of trace metals with frontotemporal degeneration. Frontiers in neurology, 16 , 1593821

Hill, Emily J; Marcucci, Samuel Blaise; DeLano, Kelly; Abanto, Jesus; Sawyer, Russell P; Marsili, Luca; Duque, Kevin R; Sun, Qin; Woo, Daniel; Langefeld, Carl D; Hall, Deborah A; Skirpan, Dawn; Paredes, Nathaly Chinchihualpa; Spikes, Cynthia; Bajaj, Deepa Agrawal; Gregor, Nathan; Stivers, Shea; Mahajan, Abhimanyu; Woo, Jessica G; Espay, Alberto J 2025. Community Disadvantage Is Associated With More Severe Motor Symptoms in Parkinson Disease. Neurology. Clinical practice, 15 4, e200506

Khatri, Pooja; Sucharew, Heidi; Sawyer, Russell P; Khandwala, Vivek; Wang, Lily Li-Li; Cornelius, Rebecca; Gaskill-Shipley, Mary; Tomsick, Thomas A; Wang, David; Gangatirkar, Shantala; Williamson, Brady Jamal; Maloney, Thomas; Horn, Paul; Carrozzella, Janice; Alwell, Kathleen; Haverbusch, Mary; Kissela, Brett M; Vagal, Achala 2025. Assessing Population-Based Radiological Brain Health in Stroke Epidemiology: Rationale and Design. Cerebrovascular diseases (Basel, Switzerland), 54 6, 901-909

Sawyer, Russell P; Bennett, Aleena; Blair, Jessica; Judd, Suzanne E; Olson, Nels; Howard, Virginia J; Armstrong, Nicole D; Long, D Leann; Hyacinth, Hyacinth I; Manly, Jennifer J; Cushman, Mary 2025. Circulating Biomarkers of Neurodegeneration and Risk of Cognitive Impairment. Neurology, 105 4, e213935

Thacker, Evan L; Karki, Reena; Gabor, Rachel; Blades, Natalie J; Sawyer, Russell P; Kouambo Beckodro, Cyrille N; Preece, Quinn; Prince, Samuel; Smith, McKay M; Gillett, Sarah R; Judd, Suzanne E; Kennedy, Richard E; Kizer, Jorge R; Levine, Deborah A; McClellan, William M; Kurella Tamura, Manjula; Unverzagt, Frederick W; Wadley, Virginia G; Cushman, Mary 2025. Leptin, adiponectin, body mass index, and incident cognitive impairment. Journal of Alzheimer's disease : JAD, 105 1, 90-106

Doran, Sarah J; Sawyer, Russell P 2024. Risk factors in developing amyloid related imaging abnormalities (ARIA) and clinical implications. Frontiers in neuroscience, 18 , 1326784

Karkoska, Kristine A; Gollamudi, Jahnavi; Sawyer, Russell P; Woo, Daniel; Hyacinth, Hyacinth I 2024. Quantifying dilated perivascular spaces in children with sickle cell disease. Pediatric blood & cancer, 71 9, e31150

Sawyer, Russell P; Blair, Jessica; Shatz, Rhonna; Manly, Jennifer J; Judd, Suzanne E 2024. Association of Adherence to a MIND-Style Diet With the Risk of Cognitive Impairment and Decline in the REGARDS Cohort. Neurology, 103 8, e209817

Bonham, Luke W; Geier, Ethan G; Sirkis, Daniel W; Leong, Josiah K; Ramos, Eliana Marisa; Wang, Qing; Karydas, Anna; Lee, Suzee E; Sturm, Virginia E; Sawyer, Russell P; Friedberg, Adit; Ichida, Justin K; Gitler, Aaron D; Sugrue, Leo; Cordingley, Michael; Bee, Walter; Weber, Eckard; Kramer, Joel H; Rankin, Katherine P; Rosen, Howard J; Boxer, Adam L; Seeley, William W; Ravits, John; Miller, Bruce L; Yokoyama, Jennifer S 2023. Radiogenomics of C9orf72 Expansion Carriers Reveals Global Transposable Element Derepression and Enables Prediction of Thalamic Atrophy and Clinical Impairment. The Journal of neuroscience : the official journal of the Society for Neuroscience, 43 2, 333-345

Hill, Emily J; Sharma, Jennifer; Wissel, Benjamin; Sawyer, Russell P; Jiang, Megan; Marsili, Luca; Duque, Kevin; Botsford, Vanesa; Wood, Christopher; DeLano, Kelly; Sun, Qin; Kissela, Brett; Espay, Alberto J 2023. Parkinson's disease diagnosis codes are insufficiently accurate for electronic health record research and differ by race. Parkinsonism & related disorders, 114 , 105764

Sawyer, Russell P; Bennett, Aleena; Blair, Jessica; Molano, Jennifer; Timmerman, Emerlee; Foster, Forrest; Karkoska, Kristine; Hyacinth, Hyacinth I; Manly, Jennifer J; Howard, Virginia J; Petrov, Megan E; Hoffmann, Coles M; Yu, Fang; Demel, Stacie L; Aziz, Yasmin; Hooper, Destiny; Hill, Emily J; Johnson, Jamelle; Pounders, Johnson; Shatz, Rhonna 2023. History of obstructive sleep apnea associated with incident cognitive impairment in white but not black individuals in a US national cohort study. Sleep medicine, 112 , 1-8

Sawyer, Russell P; Worrall, Bradford B; Howard, Virginia J; Crowe, Michael G; Howard, George; Hyacinth, Hyacinth I 2023. Methods of a Study to Assess the Contribution of Cerebral Small Vessel Disease and Dementia Risk Alleles to Racial Disparities in Vascular Cognitive Impairment and Dementia. Journal of the American Heart Association, 12 17, e030925

Boyne, Pierce; Doren, Sarah; Scholl, Victoria; Staggs, Emily; Whitesel, Dustyn; Carl, Daniel; Shatz, Rhonna; Sawyer, Russell; Awosika, Oluwole O; Reisman, Darcy S; Billinger, Sandra A; Kissela, Brett; Vannest, Jennifer; Dunning, Kari 2022. Preliminary Outcomes of Combined Treadmill and Overground High-Intensity Interval Training in Ambulatory Chronic Stroke. Frontiers in neurology, 13 , 812875

Pounders, Jonathan; Hill, Emily J; Hooper, Destiny; Zhang, Xiang; Biesiada, Jacek; Kuhnell, Damaris; Greenland, Hannah L; Esfandiari, Leyla; Timmerman, Emerlee; Foster, Forrest; Wang, Chenran; Walsh, Kyle B; Shatz, Rhonna; Woo, Daniel; Medvedovic, Mario; Langevin, Scott; Sawyer, Russell P 2022. MicroRNA expression within neuronal-derived small extracellular vesicles in frontotemporal degeneration. Medicine, 101 40, e30854

Sawyer, Russell P; Demel, Stacie L; Comeau, Mary E; Marion, Miranda; Rosand, Jonathan; Langefeld, Carl D; Woo, Daniel 2022. Alzheimer's disease related single nucleotide polymorphisms and correlation with intracerebral hemorrhage incidence. Medicine, 101 39, e30782

Sawyer, Russell P; Hill, Emily J; Yokoyama, Jennifer; Medvedovic, Mario; Ren, Yan; Zhang, Xiang; Choubey, Divaker; Shatz, Rhonna S; Miller, Bruce; Woo, Daniel 2022. Differences in peripheral immune system gene expression in frontotemporal degeneration. Medicine, 101 3, e28645

Sawyer, Russell P; Pun, Sirjana; Karkoska, Kristine A; Clendinen, Cherita A; DeBaun, Michael R; Gutmark, Ephraim; Barrile, Riccardo; Hyacinth, Hyacinth I 2022. Effect of Blood Transfusion on Cerebral Hemodynamics and Vascular Topology Described by Computational Fluid Dynamics in Sickle Cell Disease Patients. Brain sciences, 12 10,

Sawyer, Russell P; Stone, Hillarey K; Salim, Hanan; Lu, Xiaoming; Weirauch, Matthew T; Kottyan, Leah 2022. Frontotemporal degeneration genetic risk loci and transcription regulation as a possible mechanistic link to disease risk. Medicine, 101 41, e31078

Sawyer, Russell P; Yim, Eunji; Coleman, Elisheva; Demel, Stacie L; Sekar, Padmini; Woo, Daniel 2021. Impact of Preexisting Cognitive Impairment and Race/Ethnicity on Functional Outcomes Following Intracerebral Hemorrhage. Stroke, 52 2, 603-610

Vagal, Vaibhav; Venema, Simone U; Behymer, Tyler P; Mistry, Eva A; Sekar, Padmini; Sawyer, Russell P; Gilkerson, Lee; Moomaw, Charles J; Haverbusch, Mary; Coleman, Elisheva R; Flaherty, Matthew L; Van Sanford, Carson; Stanton, Robert J; Anderson, Christopher; Rosand, Jonathan; Woo, Daniel 2020. White Matter Lesion Severity is Associated with Intraventricular Hemorrhage in Spontaneous Intracerebral Hemorrhage. Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association, 29 5, 104661

Merola, Aristide; Sawyer, Russell P; Artusi, Carlo Alberto; Suri, Ritika; Berndt, Zoe; Lopez-Castellanos, Jose' Ricardo; Vaughan, Jennifer; Vizcarra, Joaquin A; Romagnolo, Alberto; Espay, Alberto J 2018. Orthostatic hypotension in Parkinson disease: Impact on health care utilization. Parkinsonism & related disorders, 47 , 45-49

Sawyer, Russell P; Sekar, Padmini; Osborne, Jennifer; Kittner, Steven J; Moomaw, Charles J; Flaherty, Matthew L; Langefeld, Carl D; Anderson, Christopher D; Rosand, Jonathan; Woo, Daniel 2018. Racial/ethnic variation of APOE alleles for lobar intracerebral hemorrhage. Neurology, ,

Sawyer, Russell P; Rodriguez-Porcel, Federico; Hagen, Matthew; Shatz, Rhonna; Espay, Alberto J 2017. Diagnosing the frontal variant of Alzheimer's disease: a clinician's yellow brick road. Journal of clinical movement disorders, 4 , 2