Heart failure in zero gravity— external constraint and cardiac hemodynamics

About The Study: In this case series study, pulmonary artery systolic, diastolic, and mean pressures of 2 participants with obesity and heart failure with preserved ejection fraction were measured at zero gravity during parabolic flight to assess the effect of external constraint on left ventricular filling pressures. 

Corresponding Author: To contact the corresponding author, Benjamin D. Levine, MD, email benjaminlevine@texashealth.org.

To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/ 

 (doi:10.1001/jamacardio.2024.4596)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflicts of interest and financial disclosures, and funding and support.

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Media advisory: This study is being presented at the American Heart Association’s Scientific Sessions 2024.

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