Ryan Nelson, M.D.

Fellow, Pulmonary & Critical Care Medicine
UC San Diego Department of Medicine

Dr. Nelson was born and raised in Rockford, IL. As an undergraduate at Northwestern University, he gained exposure to medicine by volunteering at Children’s Memorial Hospital and also had his first research experience working in a lab investigating the effect of tRNA structure on translation. In medical school, he continued his research pursuits, participating in basic science investigation on the effect of dietary monosaccharides in the virulence of pseudomonas. There, he also completed a retrospective study characterizing the post-operative complications in ulcerative colitis patients undergoing colectomy after attempted medical rescue therapy. As a resident at Northwestern, his interest in pulmonary and critical care medicine began following an early ICU rotation. He then joined a lab studying potential therapeutics for influenza. Currently, Dr. Nelson is working with Dr. Akuthota investigating eosinophil biology in relation to severe asthma.

Education & Training

  • 2009 : Northwestern University, B.A., Biological Sciences – Physiology
  • 2013 : University of Chicago Prtizker School of Medicine, M.D.
  • 2013 – 2016 : McGaw Medical Center of Northwestern University, Internship & Residency, Internal Medicine
  • 2016 – 2019 : University of California San Diego, Fellowship, Pulmonary & Critical Care Medicine

Research Interests

  • Eosinophilic Asthma

Key Publications

  1. Richardson, C, Agrawal, R, Lee, J, Almagor, O, Nelson, R, Varga, J et al.. Esophageal dilatation and interstitial lung disease in systemic sclerosis: A cross-sectional study. Semin Arthritis Rheum. 2016;46 (1):109-14. doi: 10.1016/j.semarthrit.2016.02.004. PubMed PMID:27033049 PubMed Central PMC5500283.
  2. Nelson, R, Liao, C, Fichera, A, Rubin, DT, Pekow, J. Rescue therapy with cyclosporine or infliximab is not associated with an increased risk for postoperative complications in patients hospitalized for severe steroid-refractory ulcerative colitis. Inflamm Bowel Dis. 2014;20 (1):14-20. doi: 10.1097/01.MIB.0000437497.07181.05. PubMed PMID:24297054 PubMed Central PMC4017597.
  3. Nelson, RK, Poroyko, V, Morowitz, MJ, Liu, D, Alverdy, JC. Effect of dietary monosaccharides on Pseudomonas aeruginosa virulence. Surg Infect (Larchmt). 2013;14 (1):35-42. doi: 10.1089/sur.2011.063. PubMed PMID:23451729 PubMed Central PMC3601807.
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