Effects of right ventricular hemodynamic burden on intraventricular flow in tetralogy of fallot: an echocardiographic contrast particle imaging velocimetry study.

Shelby Kutty¹, Ling Li², David A Danford², Helene Houle³, Saurabh Datta³, Joel Mancina³, Yunbin Xiao², Gianni Pedrizzetti⁴, Thomas R Porter²

¹Division of Pediatrics, Departments of Cardiology and Pediatric Cardiology, University of Nebraska Medical Center, Omaha, Nebraska; Division of Internal Medicine, Departments of Cardiology and Pediatric Cardiology, University of Nebraska Medical Center, Omaha, Nebraska. Electronic address: skutty@unmc.edu.

²Division of Pediatrics, Departments of Cardiology and Pediatric Cardiology, University of Nebraska Medical Center, Omaha, Nebraska; Division of Internal Medicine, Departments of Cardiology and Pediatric Cardiology, University of Nebraska Medical Center, Omaha, Nebraska.

³Ultrasound Division, Siemens Medical Solutions USA Inc, Mountain View, California.

⁴University of Trieste, Trieste, Italy.

PubMed DOI

Abstract

BACKGROUND: The purpose of this investigation was to test the hypothesis that flow patterns in the right ventricle are abnormal in patients with repaired tetralogy of Fallot (TOF). High-resolution echocardiographic contrast particle imaging velocimetry was used to investigate rotation intensity and kinetic energy dissipation of right ventricular (RV) flow in patients with TOF compared with normal…

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