A combined harmonic phase and strain-encoded pulse sequence for measuring three-dimensional strain

Smita Sampath; Nael F. Osman; Jerry L. Prince

doi:10.1016/j.mri.2008.05.020

A combined harmonic phase and strain-encoded pulse sequence for measuring three-dimensional strain

Smita Sampath, Nael F. Osman, Jerry L. Prince

Research output: Contribution to journal › Article › peer-review

Abstract

Measurement of myocardial strain provides direct information about heart function that can be correlated with disease. We present an MRI pulse sequence that acquires in just six heartbeats both harmonic phase (HARP) and strain-encoded (SENC) images and provides dense measurements of radial, circumferential and longitudinal strains within a single short-axis slice. Normal volunteer data confirm the feasibility of this pulse sequence, and acquired data demonstrate the strain measurement reliability.

Original language	English (US)
Pages (from-to)	55-61
Number of pages	7
Journal	Magnetic Resonance Imaging
Volume	27
Issue number	1
DOIs	https://doi.org/10.1016/j.mri.2008.05.020
State	Published - Jan 1 2009

Keywords

Cardiac strain
FastHARP
HARP
Harmonic phase
Magnetic resonance tagging
SENC
Strain encoding

ASJC Scopus subject areas

Biophysics
Biomedical Engineering
Radiology Nuclear Medicine and imaging

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abstract = "Measurement of myocardial strain provides direct information about heart function that can be correlated with disease. We present an MRI pulse sequence that acquires in just six heartbeats both harmonic phase (HARP) and strain-encoded (SENC) images and provides dense measurements of radial, circumferential and longitudinal strains within a single short-axis slice. Normal volunteer data confirm the feasibility of this pulse sequence, and acquired data demonstrate the strain measurement reliability.",

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AB - Measurement of myocardial strain provides direct information about heart function that can be correlated with disease. We present an MRI pulse sequence that acquires in just six heartbeats both harmonic phase (HARP) and strain-encoded (SENC) images and provides dense measurements of radial, circumferential and longitudinal strains within a single short-axis slice. Normal volunteer data confirm the feasibility of this pulse sequence, and acquired data demonstrate the strain measurement reliability.

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KW - Strain encoding

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