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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