Chelsea Messinger, MD, PhD

I am an anesthesiology resident interested in cardiac anesthesiology, critical care, and perioperative outcomes research. My work uses epidemiologic and causal inference methods to study clinically actionable questions in perioperative care.

Roles

Resident Physician, Research Track Anesthesiology · MGH

Postdoctoral Research Collaborator CAUSALab · Harvard Chan

Education

MD Harvard Medical School

PhD, Epidemiology Harvard T.H. Chan School of Public Health

BA, History of Science & Medicine Yale University · Fulbright Scholar

Editorial Fellow British Journal of Anaesthesia

Ad Hoc Reviewer Anesthesiology · Intensive Care Medicine · Critical Care Medicine · Journal of Cardiothoracic and Vascular Anesthesia

Emulating Target Trials to Study Perioperative and Critical Care Interventions with Observational Data: Promise and Limitations

Messinger CJ, Bateman BT, Wanis KN · Anesthesiology, 2025

Association Between Congenital Cytomegalovirus and the Prevalence at Birth of Microcephaly in the United States

Messinger CJ, Lipsitch M, Bateman BT, et al. · JAMA Pediatrics, 2020

Effect of Transabdominal versus Transvaginal Cerclage on Preterm Birth and Neonatal Outcomes Among Patients with History of Cervical Insufficiency

Messinger CJ, Hernández-Díaz S, Hofman A, et al. · American Journal of Obstetrics & Gynecology, 2025

From Association to Action: Why Causal Estimands Matter in Perioperative Studies of GLP-1 Receptor Agonist Outcomes

Messinger CJ, Kelleher E · British Journal of Anaesthesia, 2025