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JCU 2018 March;26(1) :26-32.
Published online 2018 March 28. doi:https://doi.org/10.4250/jcu.2018.26.1.26
Long Term Outcomes of Left Atrial Reservoir Function in Children with a History of Kawasaki Disease
Soo Jung Kang, MD, PhD1*, Jihyun Ha, MD1, Seo Jung Hwang, MT2, and Hyo Jin Kim, MT2
Departments of 1Pediatrics, 2Diagnostic Laboratory Medicine, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Korea
Corresponding Author: Soo Jung Kang ,Tel: +82-31-780-5248, Fax: +82-31-780-5239, Email: kittysooni@chamc.co.kr
ABSTRACT
Background:
Decreased left atrial (LA) reservoir function is reported to be associated with elevated left ventricular (LV) end diastolic pressure and LV diastolic dysfunction. Echocardiographic parameters that reflect LA reservoir function include LA total emptying fraction [(maximum LA volume - minimum LA volume) / maximum LA volume], peak LA longitudinal strain (PLALS) at systole, and LA stiffness index (E/E´/PLALS). We aimed to investigate the long-term outcomes of LV diastolic function in children with a history of Kawasaki disease (KD) (KDHx group) by assessing LA reservoir function.
Methods:
Retrospectively, echocardiograms performed at a mean follow-up period of 5 years after the acute phase of KD in 24 children in the KDHx group were compared to those from 20 normal control subjects. LA total emptying fraction, PLALS, LA stiffness index, LV peak longitudinal systolic strain (ε), and strain rate (SR) were evaluated with conventional echocardiographic parameters.
Results:
The mean age at long term follow-up echocardiography in children in the KDHx group was 6.8 years. Five children (20.8%) had coronary artery lesions (CALs) in the acute stage of KD. No children showed CALs at a mean follow-up period of 5 years after the acute phase of KD. There were no significant differences in the conventional echocardiographic parameters and in LA total emptying fraction, PLALS, LA stiffness index, LV peak longitudinal systolic ε, and SR, between the children in the KDHx and control group.
Conclusion:
LV diastolic function assessed by LA reservoir function parameters at long-term follow-up in children in the KDHx group appears to be favorable.
Keywords: Kawasaki disease · Atrial function · Long term · Prognosis
Volume 26, No 1
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