Dr. Logan Barr MD, PhD Position(s) PGY–1 Contact Info • Medical students wishing to arrange to observe/assist/shadow are kindly asked to contact the Postgraduate Program Assistant, Shauna Vinkle: sv58@queensu.ca • All medical inquiries should go through the clinic where you arranged your appointment Education Medical School: Queen’s University (2025) Ph.D. Reproduction and Developmental Sciences under Dr. Graeme Smith: Queen’s University (2021) Bachelor of Science (Honours) in Kinesiology: Queen’s University (2017) Selected Publications Logan Barr, Ryan Kirkpatrick, Jacob Rullo. “Anti-MOG Optic Neuritis following SARS-CoV-2 vaccination: A Case Report”. In press; Canadian Journal of Ophthalmology, August 2025. Kitt, Jamie, Samuel Krasner, Logan Barr, Annabelle Frost, Katherine Tucker, Paul A. Bateman, Katie Suriano et al. "Cardiac remodeling after hypertensive pregnancy following physician-optimized blood pressure self-management: the POP-HT randomized clinical trial imaging substudy." Circulation 149, no. 7 (2024): 529-541. Logan C. Barr, Hassan Hazari, Jacob Rullo. "Microbiome abnormalities and retinal disease." In Microbiome and the Eye, pp. 181-196. Academic Press, 2023. Logan Barr, Julia E. Herr, Marie‐France Hétu, Graeme N. Smith, Amer M. Johri. "Increased carotid artery stiffness after preeclampsia in a cross‐sectional study of postpartum women." Physiological Reports 10, no. 8 (2022): e15276. Logan C. Barr, Kiera Liblik, Amer M. Johri, Graeme N. Smith. "Maternal cardiovascular function following a pregnancy complicated by preeclampsia." American journal of perinatology 39, no. 10 (2022): 1055-1064 Logan C. Barr, Jessica Pudwell, Graeme N. Smith. "Postpartum microvascular functional alterations following severe preeclampsia." American Journal of Physiology-Heart and Circulatory Physiology 320, no. 4 (2021): H1393-H1402. Research interests Microvascular physiology, ocular-immune crosstalk, image recognition