Quantification of left ventricular torsion and diastolic recoil using cardiovascular magnetic resonance myocardial feature tracking

Cardiovascular magnetic resonance feature tracking (CMR-FT) offers quantification of myocardial deformation from routine cine images. However, data using CMR-FT to quantify left ventricular (LV) torsion and diastolic recoil are not yet available. We therefore sought to evaluate the feasibility and r...

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Published in:PloS one 2014-10, Vol.9 (10), p.e109164-e109164
Main Authors: Kowallick, Johannes T, Lamata, Pablo, Hussain, Shazia T, Kutty, Shelby, Steinmetz, Michael, Sohns, Jan M, Fasshauer, Martin, Staab, Wieland, Unterberg-Buchwald, Christina, Bigalke, Boris, Lotz, Joachim, Hasenfuß, Gerd, Schuster, Andreas
Format: Article
Language:English
Subjects:
Adult
Algorithms
Biology and Life Sciences
Biomedical engineering
Cardiology
Cardiovascular disease
Coefficient of variation
Correlation analysis
Correlation coefficient
Correlation coefficients
Data processing
Deformation
Diastole - drug effects
Diastole - physiology
Dobutamine - pharmacology
Feasibility studies
Female
Fourier analysis
Heart
Heart failure
Hemodynamics - drug effects
Hospitals
Humans
Interpolation
Magnetic resonance
Magnetic Resonance Imaging, Cine
Male
Medicine and Health Sciences
Middle Aged
Myocardium - metabolism
NMR
Nuclear magnetic resonance
Recoil
Reproducibility
Resonance
Rest
Rotation
Three dimensional models
Torsion
Torsion, Mechanical
Ventricle
Ventricular Function, Left - drug effects
Ventricular Function, Left - physiology
Young Adult
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cited_by cdi_FETCH-LOGICAL-c592t-2eeece52b1c6c8387151eb61da9daffb94f64dcec4504e91b22485be12b9137d3
cites cdi_FETCH-LOGICAL-c592t-2eeece52b1c6c8387151eb61da9daffb94f64dcec4504e91b22485be12b9137d3
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creator Kowallick, Johannes T
Lamata, Pablo
Hussain, Shazia T
Kutty, Shelby
Steinmetz, Michael
Sohns, Jan M
Fasshauer, Martin
Staab, Wieland
Unterberg-Buchwald, Christina
Bigalke, Boris
Lotz, Joachim
Hasenfuß, Gerd
Schuster, Andreas
description Cardiovascular magnetic resonance feature tracking (CMR-FT) offers quantification of myocardial deformation from routine cine images. However, data using CMR-FT to quantify left ventricular (LV) torsion and diastolic recoil are not yet available. We therefore sought to evaluate the feasibility and reproducibility of CMR-FT to quantify LV torsion and peak recoil rate using an optimal anatomical approach. Short-axis cine stacks were acquired at rest and during dobutamine stimulation (10 and 20 µg · kg(-1) · min(-1)) in 10 healthy volunteers. Rotational displacement was analysed for all slices. A complete 3D-LV rotational model was developed using linear interpolation between adjacent slices. Torsion was defined as the difference between apical and basal rotation, divided by slice distance. Depending on the distance between the most apical (defined as 0% LV distance) and basal (defined as 100% LV distance) slices, four different models for the calculation of torsion were examined: Model-1 (25-75%), Model-2 (0-100%), Model-3 (25-100%) and Model-4 (0-75%). Analysis included subendocardial, subepicardial and global torsion and recoil rate (mean of subendocardial and subepicardial values). Quantification of torsion and recoil rate was feasible in all subjects. There was no significant difference between the different models at rest. However, only Model-1 (25-75%) discriminated between rest and stress (Global Torsion: 2.7 ± 1.5° cm(-1), 3.6 ± 2.0° cm(-1), 5.1 ± 2.2° cm(-1), p
doi_str_mv 10.1371/journal.pone.0109164
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However, data using CMR-FT to quantify left ventricular (LV) torsion and diastolic recoil are not yet available. We therefore sought to evaluate the feasibility and reproducibility of CMR-FT to quantify LV torsion and peak recoil rate using an optimal anatomical approach. Short-axis cine stacks were acquired at rest and during dobutamine stimulation (10 and 20 µg · kg(-1) · min(-1)) in 10 healthy volunteers. Rotational displacement was analysed for all slices. A complete 3D-LV rotational model was developed using linear interpolation between adjacent slices. Torsion was defined as the difference between apical and basal rotation, divided by slice distance. Depending on the distance between the most apical (defined as 0% LV distance) and basal (defined as 100% LV distance) slices, four different models for the calculation of torsion were examined: Model-1 (25-75%), Model-2 (0-100%), Model-3 (25-100%) and Model-4 (0-75%). Analysis included subendocardial, subepicardial and global torsion and recoil rate (mean of subendocardial and subepicardial values). Quantification of torsion and recoil rate was feasible in all subjects. There was no significant difference between the different models at rest. However, only Model-1 (25-75%) discriminated between rest and stress (Global Torsion: 2.7 ± 1.5° cm(-1), 3.6 ± 2.0° cm(-1), 5.1 ± 2.2° cm(-1), p&lt;0.01; Global Recoil Rate: -30.1 ± 11.1° cm(-1) s(-1),-46.9 ± 15.0° cm(-1) s(-1),-68.9 ± 32.3° cm(-1) s(-1), p&lt;0.01; for rest, 10 and 20 µg · kg(-)1 · min(-1) of dobutamine, respectively). Reproducibility was sufficient for all parameters as determined by Bland-Altman analysis, intraclass correlation coefficients and coefficient of variation. CMR-FT based derivation of myocardial torsion and recoil rate is feasible and reproducible at rest and with dobutamine stress. Using an optimal anatomical approach measuring rotation at 25% and 75% apical and basal LV locations allows effective quantification of torsion and recoil dynamics. 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However, data using CMR-FT to quantify left ventricular (LV) torsion and diastolic recoil are not yet available. We therefore sought to evaluate the feasibility and reproducibility of CMR-FT to quantify LV torsion and peak recoil rate using an optimal anatomical approach. Short-axis cine stacks were acquired at rest and during dobutamine stimulation (10 and 20 µg · kg(-1) · min(-1)) in 10 healthy volunteers. Rotational displacement was analysed for all slices. A complete 3D-LV rotational model was developed using linear interpolation between adjacent slices. Torsion was defined as the difference between apical and basal rotation, divided by slice distance. Depending on the distance between the most apical (defined as 0% LV distance) and basal (defined as 100% LV distance) slices, four different models for the calculation of torsion were examined: Model-1 (25-75%), Model-2 (0-100%), Model-3 (25-100%) and Model-4 (0-75%). Analysis included subendocardial, subepicardial and global torsion and recoil rate (mean of subendocardial and subepicardial values). Quantification of torsion and recoil rate was feasible in all subjects. There was no significant difference between the different models at rest. However, only Model-1 (25-75%) discriminated between rest and stress (Global Torsion: 2.7 ± 1.5° cm(-1), 3.6 ± 2.0° cm(-1), 5.1 ± 2.2° cm(-1), p&lt;0.01; Global Recoil Rate: -30.1 ± 11.1° cm(-1) s(-1),-46.9 ± 15.0° cm(-1) s(-1),-68.9 ± 32.3° cm(-1) s(-1), p&lt;0.01; for rest, 10 and 20 µg · kg(-)1 · min(-1) of dobutamine, respectively). Reproducibility was sufficient for all parameters as determined by Bland-Altman analysis, intraclass correlation coefficients and coefficient of variation. CMR-FT based derivation of myocardial torsion and recoil rate is feasible and reproducible at rest and with dobutamine stress. Using an optimal anatomical approach measuring rotation at 25% and 75% apical and basal LV locations allows effective quantification of torsion and recoil dynamics. Application of these new measures of deformation by CMR-FT should next be explored in disease states.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>25285656</pmid><doi>10.1371/journal.pone.0109164</doi><oa>free_for_read</oa></addata></record>
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identifier ISSN: 1932-6203
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issn 1932-6203
1932-6203
language eng
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source Publicly Available Content Database; PubMed Central
subjects Adult
Algorithms
Biology and Life Sciences
Biomedical engineering
Cardiology
Cardiovascular disease
Coefficient of variation
Correlation analysis
Correlation coefficient
Correlation coefficients
Data processing
Deformation
Diastole - drug effects
Diastole - physiology
Dobutamine - pharmacology
Feasibility studies
Female
Fourier analysis
Heart
Heart failure
Hemodynamics - drug effects
Hospitals
Humans
Interpolation
Magnetic resonance
Magnetic Resonance Imaging, Cine
Male
Medicine and Health Sciences
Middle Aged
Myocardium - metabolism
NMR
Nuclear magnetic resonance
Recoil
Reproducibility
Resonance
Rest
Rotation
Three dimensional models
Torsion
Torsion, Mechanical
Ventricle
Ventricular Function, Left - drug effects
Ventricular Function, Left - physiology
Young Adult
title Quantification of left ventricular torsion and diastolic recoil using cardiovascular magnetic resonance myocardial feature tracking
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