Allan J. Walkey, MD, MSc

Associate Professor, Medicine

Allan Walkey
72 E. Concord St Housman (R)


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.

Other Positions

  • Associate Professor, Health Law, Policy & Management, Boston University School of Public Health
  • Investigator, Framingham Heart Study
  • Member, Pulmonary Center, Boston University
  • Co-Director, Evans Center for Implementation & Improvement Sciences, Boston University
  • Member, Evans Center for Interdisciplinary Biomedical Research, Boston University


  • University of Massachusetts Medical School, MD
  • Tufts University, BA


  • Published on 4/1/2021

    Beesley SJ, Sorensen J, Walkey AJ, Tonna JE, Lanspa MJ, Hirshberg E, Grissom CK, Horne BD, Burk R, Abraham TP, Paine R, Brown SM. Long-Term Implications of Abnormal Left Ventricular Strain During Sepsis. Crit Care Med. 2021 04 01; 49(4):e444-e453. PMID: 33591007.

    Read at: PubMed
  • Published on 3/24/2021

    Vail EA, Gershengorn HB, Wunsch H, Walkey AJ. Attention to Immortal Time Bias in Critical Care Research. Am J Respir Crit Care Med. 2021 Mar 24. PMID: 33761299.

    Read at: PubMed
  • Published on 3/1/2021

    Garcia MA, Rampon GL, Doros G, Jia S, Jagan N, Gillmeyer K, Berical A, Hudspeth J, Ieong M, Modzelewski KL, Schechter-Perkins EM, Ross CS, Rucci JM, Simpson S, Walkey AJ, Bosch NA. Rationale and Design of the Awake Prone Position for Early Hypoxemia in COVID-19 (APPEX-19) Study Protocol. Ann Am Thorac Soc. 2021 Mar 01. PMID: 33647225.

    Read at: PubMed
  • Published on 3/1/2021

    Domecq JP, Lal A, Sheldrick CR, Kumar VK, Boman K, Bolesta S, Bansal V, Harhay MO, Garcia MA, Kaufman M, Danesh V, Cheruku S, Banner-Goodspeed VM, Anderson HL, Milligan PS, Denson JL, St Hill CA, Dodd KW, Martin GS, Gajic O, Walkey AJ, Kashyap R. Outcomes of Patients With Coronavirus Disease 2019 Receiving Organ Support Therapies: The International Viral Infection and Respiratory Illness Universal Study Registry. Crit Care Med. 2021 03 01; 49(3):437-448. PMID: 33555777.

    Read at: PubMed
  • Published on 2/15/2021

    Walkey AJ, Bashar SK, Hossain MB, Ding E, Albuquerque D, Winter M, Chon KH, McManus DD. Development and Validation of an Automated Algorithm to Detect Atrial Fibrillation Within Stored Intensive Care Unit Continuous Electrocardiographic Data: Observational Study. JMIR Cardio. 2021 Feb 15; 5(1):e18840. PMID: 33587041.

    Read at: PubMed
  • Published on 2/5/2021

    Bosch NA, Fantasia KL, Modzelewski KL, Alexanian SM, Walkey AJ. Guideline-Concordant Insulin Infusion Initiation Among Critically Ill Patients With Sepsis. Endocr Pract. 2021 Feb 05. PMID: 33549815.

    Read at: PubMed
  • Published on 2/1/2021

    Bosch NA, Fantasia KL, Modzelewski KL, Alexanian SM, Walkey AJ. Racial Disparities in Guideline-Concordant Insulin Infusions during Critical Illness. Ann Am Thorac Soc. 2021 02; 18(2):368-371. PMID: 33001705.

    Read at: PubMed
  • Published on 2/1/2021

    Mehta AB, Walkey AJ, Curran-Everett D, Matlock D, Douglas IS. Stability of Do-Not-Resuscitate Orders in Hospitalized Adults: A Population-Based Cohort Study. Crit Care Med. 2021 Feb 01; 49(2):240-249. PMID: 33264125.

    Read at: PubMed
  • Published on 1/20/2021

    Bashar SK, Han D, Zieneddin F, Ding E, Fitzgibbons TP, Walkey AJ, McManus DD, Javidi B, Chon KH. Novel Density Poincaré Plot Based Machine Learning Method to Detect Atrial Fibrillation From Premature Atrial/Ventricular Contractions. IEEE Trans Biomed Eng. 2021 Feb; 68(2):448-460. PMID: 32746035.

    Read at: PubMed
  • Published on 1/1/2021

    Vail EA, Shieh MS, Pekow PS, Gershengorn HB, Walkey AJ, Lindenauer PK, Wunsch H. Use of Vasoactive Medications after Cardiac Surgery in the United States. Ann Am Thorac Soc. 2021 01; 18(1):103-111. PMID: 32926642.

    Read at: PubMed

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