Allan J. Walkey MD, MSc

Professor, Pulmonary, Allergy, Sleep & Critical Care Medicine

Associate Professor, Health Law, Policy & Management

72 E. Concord Street | (617) 638-4860
Allan Walkey

Pulmonary, Allergy, Sleep & Critical Care Medicine


Evans Center for Implementation & Improvement Sciences

Pulmonary Center

Framingham Heart Study

Evans Center for Interdisciplinary Biomedical Research


Dr. Walkey investigates epidemiology and clinical outcomes of complications that occur in patients who are critically ill. Using clinical and administrative data, Dr. Walkey focuses on interations between organ systems during critical illness and seeks to find effective health care provider practice patterns that are associated with better patient outcomes. His research interests include sepsis, acute lung injury, and atrial fibrillation that occurs during critical illness.


Medicine, MD, University of Massachusetts Medical School

Epidemiology, MS, Boston University School of Public Health

Psychology, BA, Tufts University


Published on 5/15/2024

Teja B, Berube M, Pereira TV, Law AC, Schanock C, Pang B, Wunsch H, Walkey AJ, Bosch NA. Effectiveness of Fludrocortisone Plus Hydrocortisone versus Hydrocortisone Alone in Septic Shock: A Systematic Review and Network Meta-Analysis of Randomized Controlled Trials. Am J Respir Crit Care Med. 2024 May 15; 209(10):1219-1228. PMID: 38271488.

Published on 5/1/2024

Teja B, Bosch NA, Diep C, Pereira TV, Mauricio P, Sklar MC, Sankar A, Wijeysundera HC, Saskin R, Walkey A, Wijeysundera DN, Wunsch H. Complication Rates of Central Venous Catheters: A Systematic Review and Meta-Analysis. JAMA Intern Med. 2024 May 01; 184(5):474-482. PMID: 38436976.

Published on 4/9/2024

Myers LC, Peltan ID, Thai KK, Kipnis P, Desai M, Devis Y, Clancy H, Lu YW, Brown SM, Go AS, Neugebauer RS, Liu VX, Walkey AJ. Predicting stroke risk after sepsis hospitalization with new-onset atrial fibrillation. J Hosp Med. 2024 Apr 09. PMID: 38594918.

Published on 4/4/2024

Li S, Lip GYH, Ko D, Walkey A. Anticoagulation for Secondary Atrial Fibrillation. N Engl J Med. 2024 Apr 04; 390(13):1237-1240. PMID: 38598582.

Published on 4/1/2024

Jain S, Priya A, Pekow P, Spitzer K, Walkey AJ, Opara I, Krumholz HM, Lindenauer PK. Racial Differences in 1-Year Mortality after Hospitalization for Chronic Obstructive Pulmonary Disease in the United States. Ann Am Thorac Soc. 2024 Apr; 21(4):585-594. PMID: 37943953.

Published on 3/22/2024

Bosch NA, Law AC, Shi Z, Jafarzadeh SR, Walkey AJ. A novel measure to summarize blood transfusion practice during critical illness. Transfusion. 2024 May; 64(5):784-788. PMID: 38515390.

Published on 3/19/2024

Feeney ME, Law AC, Walkey AJ, Bosch NA. Variation in Use of Medications for Opioid Use Disorder in Critically Ill Patients Across the United States. Crit Care Med. 2024 Mar 19. PMID: 38501933.

Published on 3/7/2024

Heybati K, Deng J, Bhandarkar A, Zhou F, Zamanian C, Arya N, Bydon M, Bauer PR, Gajic O, Walkey AJ, Yadav H. Outcomes of Acute Respiratory Failure in Patients With Cancer in the United States. Mayo Clin Proc. 2024 Apr; 99(4):578-592. PMID: 38456872.

Published on 3/1/2024

Bosch NA, Vail EA, Law AC, Homer-Bouthiette C, Walkey AJ, Moitra VK. Practice Patterns and Outcomes of Potassium Repletion Thresholds during Critical Illness. Ann Am Thorac Soc. 2024 Mar; 21(3):456-463. PMID: 38134433.

Published on 2/9/2024

Kearney LE, Jansen E, Kathuria H, Steiling K, Jones KC, Walkey A, Cordella N. Efficacy of Digital Outreach Strategies for Collecting Smoking Data: Pragmatic Randomized Trial. JMIR Form Res. 2024 Feb 09; 8:e50465. PMID: 38335012.

View full list of 292 publications.