• 1761 Citations
1999 …2025

Research output per year

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Personal profile

Research Interests

Ravi Kalhan, MD, MS is Director of the Northwestern Asthma and Chronic Obstructive Pulmonary Disease (COPD) Program where comprehensive care is provided to patients with asthma and COPD at all stages of severity. Dr. Kalhan additionally serves as medical director of the lung volume reduction program leading the multidisciplinary evaluation of patients for both bronchoscopic and surgical approaches to severe COPD. Dr. Kalhan attended college at Brown University in Providence, RI where he majored in modern American history. He subsequently entered medical school at Case Western Reserve University School of Medicine and completed his internal medicine residency at the Hospital of the University of Pennsylvania. He then came to Chicago where he pursued his fellowship training in Pulmonary and Critical Care Medicine at Northwestern Memorial Hospital, and has been on the Northwestern faculty since 2006. Dr. Kalhan's clinical interests are in the care of patients with both asthma and COPD. His research interests relate to respiratory epidemiology, in particular identification of early risk factors that impact the vulnerability of some individuals to develop chronic respiratory disease. He is also involved in clinical trials of new therapies for both asthma and COPD.

Respiratory epidemiology; Clinical trials in COPD and asthma

COPD; Emphysema; Asthma

Certifications and Licenses

Internal Medicine
Critical Care Medicine
Pulmonary Disease

Training Experience

2003Residency, Hospital of the University of Pennsylvania
2006Fellowship, Northwestern University, McGaw Medical Center (Northwestern Memorial Hospital)

Education/Academic qualification

MD, Case Western Reserve University

… → 2000

Research interests

  • Asthma
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Epidemiology
  • Respiratory Diseases

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Grants

Research Output

Adult Life-Course Trajectories of Lung Function and the Development of Emphysema: The CARDIA Lung Study

Washko, G. R., Colangelo, L. A., Estépar, R. S. J., Ash, S. Y., Bhatt, S. P., Okajima, Y., Liu, K., Jacobs, D. R., Iribarren, C., Thyagarajan, B., Lewis, C. E., Kumar, R., Han, M. L. K., Dransfield, M. T., Carnethon, M. R. & Kalhan, R., Feb 2020, In : American Journal of Medicine. 133, 2, p. 222-230.e11

Research output: Contribution to journalArticle

  • Lung function decline in former smokers and low-intensity current smokers: a secondary data analysis of the NHLBI Pooled Cohorts Study

    Oelsner, E. C., Balte, P. P., Bhatt, S. P., Cassano, P. A., Couper, D., Folsom, A. R., Freedman, N. D., Jacobs, D. R., Kalhan, R., Mathew, A. R., Kronmal, R. A., Loehr, L. R., London, S. J., Newman, A. B., O'Connor, G. T., Schwartz, J. E., Smith, L. J., White, W. B. & Yende, S., Jan 2020, In : The Lancet Respiratory Medicine. 8, 1, p. 34-44 11 p.

    Research output: Contribution to journalArticle

  • 3 Scopus citations

    Albuminuria, lung function decline, and risk of incident chronic obstructive pulmonary disease the NHLBI pooled cohorts study

    Oelsner, E. C., Balte, P. P., Grams, M. E., Cassano, P. A., Jacobs, D. R., Graham Barr, R., Burkart, K. M., Kalhan, R., Kronmal, R., Loehr, L. R., O’Connor, G. T., Schwartz, J. E., Shlipak, M., Tracy, R. P., Tsai, M. Y., White, W. & Yende, S., Feb 1 2019, In : American journal of respiratory and critical care medicine. 199, 3, p. 321-332 12 p.

    Research output: Contribution to journalArticle

  • 7 Scopus citations

    A randomized controlled trial of 24 weeks of varenicline for tobacco use among cancer patients: Efficacy, safety, and adherence

    Schnoll, R., Leone, F., Veluz-Wilkins, A., Miele, A., Hole, A., Jao, N. C., Paul Wileyto, E., Carroll, A. J., Kalhan, R., Patel, J., Langer, C., Lubitz, S. F. & Hitsman, B., Mar 2019, In : Psycho-oncology. 28, 3, p. 561-569 9 p.

    Research output: Contribution to journalArticle

  • 4 Scopus citations