Ognjen Gajic MD

Pulmonology•Rochester, MN

Critical Care Medicine

Professor, Internal Medicine, Mayo Medical School

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200 1st St SwRochester, MN 55905
Phone+1 507-284-2511

Education & Training

Mayo Clinic College of Medicine and Science (Rochester)Fellowship, Pulmonary Disease and Critical Care Medicine, 2001 - 2003
Mayo Clinic College of Medicine and Science (Rochester)Fellowship, Pulmonary Disease and Critical Care Medicine, 1999 - 2001
New York-Presbyterian Brooklyn Methodist HospitalResidency, Internal Medicine, 1996 - 1999
University of Sarajevo FOMClass of 1987

Certifications & Licensure

FL State Medical License 2021 - 2027
MN State Medical License 1999 - 2026
WI State Medical License 2012 - 2025
GA State Medical License 2015 - 2021
NH State Medical License 2019 - 2021
VT State Medical License 2019 - 2020
American Board of Internal Medicine Critical Care Medicine
American Board of Preventive Medicine Clinical Informatics

Awards, Honors, & Recognition

Fellow (FCCP) American College of Chest Physicians
Fellow (FCCM) American College of Critical Care Medicine

Clinical Trials

Transfusion-Induced Alterations of Pulmonary and Immune Function in Mechanically Ventilated Patients Start of enrollment: 2008 Aug 01
Completed
Not Applicable
Lung Injury Prediction Study Start of enrollment: 2009 Mar 01
Completed
Timing and Intensity of the Exposures and Attributable Burden of Acute Lung Injury Start of enrollment: 2008 Dec 01
Completed
LIPS-A: Lung Injury Prevention Study With Aspirin Start of enrollment: 2012 Jan 01
Completed
Phase 2
The Checklist for Early Recognition and Treatment of Acute Illness (CERTAIN) Start of enrollment: 2013 Nov 01
Completed
Not Applicable
Patient Centered Cloud-based Electronic System: Ambient Warning and Response Evaluation (ProCCESs AWARE) Start of enrollment: 2013 Mar 01
Completed
Not Applicable
Midodrine Hydrochloride in Early Sepsis Start of enrollment: 2017 Aug 30
Completed
Phase 1
ARrest RESpiraTory Failure From PNEUMONIA Start of enrollment: 2020 Jun 01
TERMINATED
PHASE3
Roles: Contact, Principal Investigator
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Publications & Presentations

PubMed

Acute Respiratory Distress Syndrome Phenotypes After Stem Cell Transplantation: A Latent Class Analysis.
Svetlana Herasevich, Kiyan Heybati, William J Hogan, Mehrdad Hefazi, Hassan B Alkhateeb
Critical Care Explorations. 2025-09-01
Hemodynamic Effects of Guideline-Based Sedation in Mechanically Ventilated Adults: A Multicenter Observational Analysis.
Kiyan Heybati, Guozhen Xie, Jiawen Deng, Allan J Walkey, Ognjen Gajic
Critical Care Explorations. 2025-09-01
ARDS Subphenotypes as a Guide to Therapy and Enrollment into Therapeutic Trials: Not So Fast.
Jesús Villar, Tamas Szakmany, Ognjen Gajic, Diego Casali, Sara Cazorla-Rivero
Journal of Clinical Medicine. 2025-08-28

Journal Articles

Evolution of Validated Biomarkers and Intraoperative Parameters in the Development of Postoperative ARDS
Ognjen Gajic, Daryl J Kor, Hemang Yadav, Respiratory Care

Press Mentions

Expert Consensus Statements for the Management of COVID-19-Related Acute Respiratory Failure Using a Delphi MethodMarch 16th, 2021
Mayo Clinic Research in the News: Week in Review 5/5/2020May 5th, 2020
12 Scientific Teams Redefining Fast-Tracked Heart and Brain Health Research Related to COVID-19April 30th, 2020
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Grant Support

Pragmatic trial of midodrine as a vasopressor-sparing agent in septic shockMAYO CLINIC ROCHESTER2025–2026
1/1: ARREST RESPIRATORY FAILURE DUE TO PNEUMONIA (ARREST PNEUMONIA)STANFORD UNIVERSITY2019–2025

Professional Memberships

American College of Critical Care Medicine - SCCM
Fellow

Industry Relationships

Founding clinical team member, Ambient Clinical Analytics