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Abstract #3451

Assessment of Pulmonary Artery Mean Pressure with MRI and 4D Flow Vortex Assessment.

Lindsey Alexandra Crowe1, Anne-Lise Hachulla1, Gabriel Guglielmi1, Maurice Beghetti2, Frederic Lador3, and Jean-Paul Vallée1

1Division of Radiology, Geneva University Hospitals, Geneva, Switzerland, 2Division of Pediatric Cardiology, Geneva University Hospitals, Geneva, Switzerland, 3Division of Pneumology, Geneva University Hospitals, Geneva, Switzerland

Flow vortices have been observed in patients with elevated pulmonary artery pressure. We investigated 4D flow MRI and software packages to quantify vortex duration. This parameter was assessed compared to other MRI derived measurements to provide a potential non-invasive alternative to right heart catheterization.

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