Left atrium function and deformation in very preterm infants with and without volume load

Background Left atrium (LA) function can be assessed by volumetric measurements, conventional and tissue Doppler, and more recently, deformation imaging using two‐dimensional speckle tracking echocardiography (2DSTE). 2DSTE allows for measurement of volume and deformation and can quantify the contri...

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Bibliographic Details
Published in:Echocardiography (Mount Kisco, N.Y.) N.Y.), 2018-11, Vol.35 (11), p.1818-1826
Main Authors: Waal, Koert, Phad, Nilkant, Boyle, Andrew
Format: Article
Language:English
Subjects:
Atrial Function, Left - physiology
deformation
Ductus Arteriosus, Patent - diagnostic imaging
Ductus Arteriosus, Patent - pathology
Ductus Arteriosus, Patent - physiopathology
echocardiography
Echocardiography - methods
Feasibility Studies
Female
Heart Atria - diagnostic imaging
Heart Atria - pathology
Heart Atria - physiopathology
Humans
Infant, Newborn
Infant, Premature
left atrium
Male
Organ Size
patent ductus arteriosus
Prospective Studies
Reproducibility of Results
speckle tracking
strain
volume
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Summary:Background Left atrium (LA) function can be assessed by volumetric measurements, conventional and tissue Doppler, and more recently, deformation imaging using two‐dimensional speckle tracking echocardiography (2DSTE). 2DSTE allows for measurement of volume and deformation and can quantify the contribution of the reservoir, conduit, and contraction phase. A common cause for LA dysfunction in very preterm infants is volume overload with a patent ductus arteriosus (PDA). The aim of this study was to explore the feasibility and reliability of LA 2DSTE in preterm infants, and describe LA function with and without PDA volume load. Methods We prospectively recruited preterm infants
ISSN:0742-2822
1540-8175
DOI:10.1111/echo.14140