Three-dimensional, time-resolved (4D) relative pressure mapping using magnetic resonance imaging

J M Tyszka; D H Laidlaw; J W Asa; J M Silverman

doi:10.1002/1522-2586(200008)12:2<321::aid-jmri15>3.0.co;2-2

Three-dimensional, time-resolved (4D) relative pressure mapping using magnetic resonance imaging

J Magn Reson Imaging. 2000 Aug;12(2):321-9. doi: 10.1002/1522-2586(200008)12:2<321::aid-jmri15>3.0.co;2-2.

Authors

J M Tyszka¹, D H Laidlaw, J W Asa, J M Silverman

Affiliation

¹ Department of Imaging, Cedars-Sinai Medical Center, Los Angeles, California 90048, USA. mtys3ka@coh.org

PMID: 10931596
DOI: 10.1002/1522-2586(200008)12:2<321::aid-jmri15>3.0.co;2-2

Abstract

We describe here a method for generating relative pressure maps from magnetic resonance velocity data in three spatial and one temporal dimension (4D). The relative pressure map calculated for pulsatile flow in a compliant phantom was shown to be consistent with independent pressure transducer measurements. The feasibility of performing 4D pressure mapping in vivo is also demonstrated.

MeSH terms

Aorta, Thoracic / physiology*
Blood Flow Velocity*
Blood Pressure / physiology*
Humans
Image Processing, Computer-Assisted
Magnetic Resonance Imaging / methods*
Phantoms, Imaging
Pulsatile Flow
Transducers