Department of Pediatrics

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Ryan Kahanowitch, MD

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Research Interests

  • Research:
  • Neonatal and Infant Clinical and Experimental Airway Biology Laboratory
  • 2019 - 2022, Washington, D.C: Principal Investigator - Dr. Gustavo Nino
  • Focused on pathobiology of respiratory disorders, especially with respiratory viruses in high-risk populations such as Trisomy 21 and premature patients
  • Learned airway epithelial cell culture techniques and wet lab training Utilized Minitab for data analysis
  • Developing a human epithelial model ofTrisomy 21 to examine immune response and airway response to viruses
  • Worked with co-fellow Dr. Aguilar to utilize longitudinal extraction in the NICU to map trajectories in extreme prematurity
  • Outside Manuscript Peer Review: "Pili Annulati: Is It a New Finding in Cystic Fibrosis?"
  • December 2021 Washington, D.C.; in conjunction with Dr. Dinesh Pillai
  • Outside Manuscript Peer Review: "The Importance of Flexible Bronchoscopy in Difficult-to-Treat Asthma From a Pediatric Pulmonology Perspective"
  • October 2021 Washington, D.C.; in conjunction with Dr. Anastassios Koumbourlis
  • Quality Improvement Project: "Enhancing Family Communication After Flexible Bronchoscopy"
  • June 2021 - June 2022, Washington, D.C.; in conjunction with Dr. Hector Aguilar and Dr. Dinesh Pillai
  • Publications:
  • XuChen, X., Weinstock, J., Arroyo, M., Salka, K., Chorvinsky, E., Abutaleb, K., Aguilar, H., Kahanowitch, R., Rodriguez-Martinez, C. E., Perez, G. F., Gutierrez,
  • M. J., & Nino, G. (2021). Airway Remodeling Factors During Early- Life Rhinovirus Infection and the Effect of Premature Birth.
  • Frontiers in pediatrics, 9, 610478. https://doi.org/10.3389/fped.2021.610478
  • Nino, G., Molto, J., Aguilar, H., Zember, J., Sanchez-Jacob, R., Diez, C. T., Tabrizi,
  • P. R., Mohammed, B., Weinstock, J., XuChen, X., Kahanowitch, R., Arroyo, M., & Linguraru, M. G. (2021). Chest X-ray lung imaging features in pediatric COVID-19 and comparison with viral lower respiratory infections in young children.
  • Pediatric pulmonology, 56(12), 3891-3898. https://doi.org/ 10.1002/ppul.25661
  • Weinstock, J., Xuchen, X., Arroyo, M., Aguilar, H., Kahanowitch, R., Gutierrez, M. J., & Nino, G. (2022). The Next Frontier of Prematurity: Predicting Respiratory Morbidity During the First Two Years of Life in Extremely Premature Babies.
  • Cureus, 14(3), e23505. https://doi.org/10.7759/cureus.23505
  • Kahanowitch, R., Gaviria, S., Aguilar, H., Gayoso, G., Chorvinksy, E., Bera, B., Rodriguez-Martinez, C. E., Gutierrez, M. J., & Nino, G. (2022). How Did RSV and Other Pediatric Respiratory Viruses Change During the
  • COVID-19 pandemic?
  • Pediatric pulmonology, 10.1002/ppul.26053. Advance online publication. https:// doi.org/10.1002/ppul.26053
  • Kahanowitch, R., Aguilar, H., Weiss, M., Lew, J., Pan, a., Ortiz-Vergara, M. C., Rodriguez, 0., & Nino, G. (2023). Developmental changes in obstructive sleep apnea and sleep architecture in Down syndrome.
  • Pediatric pulmonology, 58(7), 1882-1888. https://doi.orq/10.1002/ppul.26405
  • Aguilar, H., Kahanowitch, R., Weiss, M., Ortiz-Vergara, M. C., Lew, J., Rodriguez, 0., & Nino, G. (2023). Real-world data evaluation of PAP responsiveness in pediatric obstructive sleep apnea.
  • Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine, 19(7), 1313-1319. https://doi.org/10.5664/ jcsm.10578
  • Case Report Presentations:
  • "Neuroendocrine Cell Hyperplasia of Infancy"
  • Presented at Metropolitan DC Thoracic Society September 22 2021, and also presented to pediatric pulmonology division at Lucile Packard Children's Hospital at Stanford
  • "TB or Not TB"
  • Abstract presented virtually at American Thoracic Society May 2020 and presented at Metropolitan DC Thoracic Society December 2019
  • Case report on hydropneumothorax due to right atrial thrombus rather than tuberculosis
  • Awards:
  • Pediatric Resident Development Scholarship
  • April 2018
  • American Thoracic Society
  • Memberships:
  • American Thoracic Society
  • European Respiratory Society Chest
  • American Academy of Pediatrics