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Original Article
Variation of parameters according to cardiac cycle length, evaluated by TDI in children
Chang-Hyun Lee, Jae-Kwang Kim, Hyun-Seung Jin, Kie-Young Park, Bong-Seong Kim, Myung-Ki Han
Clin Exp Pediatr. 2009;52(3):339-345.   Published online March 15, 2009
Purpose : This study aimed to determine the variation in parameters according to cardiac cycle length (CL; time interval between the QRS peaks on ECG) in children by using the conventional pulsed Doppler and tissue Doppler imaging echocardiography. Methods : Eighteen children with an anatomically normal heart were enrolled for the study. All children were examined by conventional and pulsed...
Modified Tei index in patients with Kawasaki disease by tissue doppler imaging
Hee Jung Kim, Jung Hwa Cha, Young Mi Hong
Clin Exp Pediatr. 2006;49(11):1202-1210.   Published online November 15, 2006
Purpose : A quantitative and easily measured Doppler index of combined systolic and diastolic ventricular myocardial performance (Tei index) was recently proposed as a potentially useful predictor of global myocardial performance. However, presence of heart rate fluctuation makes it unreliable. Therefore, the modified Tei index was introduced by using tissue Doppler imaging (TDI) which enables measuring contraction and relaxation velocities...
Postnatal Changes in Left Ventricular Performance in Early Neonatal Life
Sung Wook Yang, Chan Wook Woo, Jee Youn Lim, Jung Hwa Lee, Joo Won Lee, Chang Sung Son, Young Chang Tockgo, Young Yoo
Clin Exp Pediatr. 2000;43(9):1168-1173.   Published online September 15, 2000
Purpose : This study was undertaken to investigate changes in cardiac performance in early neonatal life by observing the changes of left ventricular(LV) function and volume according to the size of ductus arteriosus. Methods : The study group consisted of 21 full-term Cesarean section neonates who were admitted to the nursery of Korea University Hospital. We serially investigated the...
Serial M-mode Echocardiographic Assessment of Left Ventricular Function in Kawasaki Disease
Byung Ho Choi, Jin Kyung Kim, Myung Chul Hyun, Sang Bum Lee
Clin Exp Pediatr. 1994;37(6):759-766.   Published online June 15, 1994
To investigate the effect of kawasaki disease on left ventricular function, we studied 92 patients with Kawasaki disease at initial visit, after 3 months (78 patients) and after 1 year (9 patients). Using serial M-mode echocardiogram, we obtained LVD(d) (left ventricular internal dimension at end diastole), LVD(s)(left ventricular internal dimension at end systole), FS(fractional shortening), ET(ejection time), VmCF(mean velocity of circumferential...
Echocardiographic study of left ventricular function in infants and children.
Tai Sik Kim, Se Jin Chun, Chang Sung Son, Young Chang Tockgo, Pyung Hwa Choe
Clin Exp Pediatr. 1982;25(3):217-224.   Published online March 31, 1982
The Echocardiography is a useful non-invasive diagnostic tool for cardiac evaluation without known risk, and its application in the diagnosis and management of congenital heart disease in infants and children has become indispensable. Especially left ventricular echocardiogram appears to be a effective technique for determination of left ventricular dimensions and volume, other echocardiographic index of left ventricular function. There are...