Altered regional myocardial velocities by tissue phase mapping and feature tracking in pediatric patients with hypertrophic cardiomyopathy

  • Arleen Li
  • Alexander Ruh
  • Haben Berhane
  • Joshua D. Robinson
  • Michael Markl
  • Cynthia K. RigsbyEmail author
Original Article



Hypertrophic cardiomyopathy (HCM) is associated with heart failure, atrial fibrillation and sudden death. Reduced myocardial function has been reported in HCM despite normal left ventricular (LV) ejection fraction. Additionally, LV fibrosis is associated with elevated T1 and might be an outcome predictor.


To systematically compare tissue phase mapping and feature tracking for assessing regional LV function in children and young adults with HCM and pediatric controls, and to evaluate structure–function relationships among myocardial velocities, LV wall thickness and myocardial T1.

Materials and methods

Seventeen pediatric patients with HCM and 21 age-matched controls underwent cardiac MRI including standard cine imaging, tissue phase mapping (two-dimensional cine phase contrast with three-directional velocity encoding), and modified Look-Locker inversion recovery to calculate native global LV T1. Maximum LV wall thickness was measured on cine images. LV radial, circumferential and long-axis myocardial velocity time courses, as well as global and segmental systolic and diastolic peak velocities, were quantified from tissue phase mapping and feature tracking.


Both tissue phase mapping and feature tracking detected significantly decreased global and segmental diastolic radial and long-axis peak velocities (by 12–51%, P<0.001–0.05) in pediatric patients with HCM vs. controls. Feature tracking peak velocities were lower than directly measured tissue phase mapping velocities (mean bias = 0.3–2.9 cm/s). Diastolic global peak velocities correlated moderately with global T1 (r = −0.57 to −0.72, P<0.01) and maximum wall thickness (r = −0.37 to −0.61, P<0.05).


Both tissue phase mapping and feature tracking detected myocardial velocity changes in children and young adults with HCM vs. controls. Associations between impaired diastolic LV velocities and elevated T1 indicate structure–function relationships in HCM.


Children Feature tracking Heart Hypertrophic cardiomyopathy Left ventricle Magnetic resonance imaging Myocardial velocity Myocardium Tissue phase mapping 



Dr. Michael Markl received grant support from the National Institute of Heart, Lung and Blood Disorders.

Compliance with ethical standards

Conflicts of interest



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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Feinberg School of MedicineNorthwestern UniversityChicagoUSA
  2. 2.Department of Radiology, Feinberg School of MedicineNorthwestern UniversityChicagoUSA
  3. 3.Department of Medical Imaging, Ann & Robert H. Lurie Children’s Hospital of Chicago225 E. Chicago Ave.ChicagoUSA
  4. 4.Department of Pediatrics, Division of Pediatric CardiologyAnn & Robert H. Lurie Children’s Hospital of ChicagoChicagoUSA
  5. 5.Department of Pediatrics, Feinberg School of MedicineNorthwestern UniversityChicagoUSA
  6. 6.Department of Biomedical Engineering, McCormick School of EngineeringNorthwestern UniversityChicagoUSA

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