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Original Article
Cardiology
Subclinical left ventricular dysfunction in children after hematopoietic stem cell transplantation for severe aplastic anemia: a case control study using speckle tracking echocardiography
Beom Joon Kim, Kyung Pil Moon, Ji-Hong Yoon, Eun-Jung Lee, Jae Young Lee, Seong Koo Kim, Jae Wook Lee, Nack Gyun Chung, Bin Cho, Hack Ki Kim
Clin Exp Pediatr. 2016;59(4):190-195.   Published online April 30, 2016
Purpose

Severe aplastic anemia (SAA), a fatal disease, requires multiple transfusion, immunosuppressive therapy, and finally, hematopoietic stem cell transplantation (HSCT) as the definitive treatment. We hypothesized that iron overloading associated with multiple transfusions and HSCTrelated complications may adversely affect cardiac function. Left ventricular (LV) function was assessed in children after HSCT for SAA.

Methods

Forty-six consecutive patients with a median age of 9.8...

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...
Evaluation of short-term cardiac function by tissue Doppler imaging in pre and postoperative period of congenital heart disease
Jun-Hwa Lee, Yeo-Hyang Kim, Myung-Chul Hyun, Sang-Bum Lee
Clin Exp Pediatr. 2007;50(5):476-483.   Published online May 15, 2007
Purpose : The objective of this study was to assess ventricular function by tissue Doppler imaging (TDI) in children with congenital heart disease (CHD) who have been undergoing open heart surgery (OHS) using cardiopulmonary bypass. We tried to compare the parameters of tissue Doppler imaging before and after OHS in patients with congenital heart disease. Methods : This study was conducted...
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...
Evaluation of cardiac function by tissue Doppler imaging in children with cancer
Yeo Hyang Kim
Clin Exp Pediatr. 2006;49(4):417-423.   Published online April 15, 2006
Purpose : The objectives of this study were to assess ventricular function by tissue Doppler imaging in children who were receiving chemotherapy or who had received chemotherapy, and to apply repeated tissue Doppler imaging to make an early assessment in cardiac toxicity studies. Methods : This study was conducted on 23 oncology patients on-treatment or off-treatment from April 2005 to July...
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...
Volumetric Quantitation of Pulmonary Regurgitation and Right Ventricular Function in Postoperative Tetralogy of Fallot by Echocardiography and Magnetic Resonance Imaging
Eun Young Park, Il Tae Whang, Young Mi Hong, Yong Sun Won, Yun Hyun Choi
Clin Exp Pediatr. 1998;41(11):1530-1537.   Published online November 15, 1998
Purpose : Despite improved surgical techniques, pulmonary regurgitation is a common postoperative sequelae in patients with tetralogy of Fallot. Pulmonary regurgitation may induce deterioration of right ventricular performance, right ventricular dilatation and ventricular arrhythmia. The evaluation of the clinical significance of pulmonary regurgitation in postoperative tetralogy of Fallot has been troublesome since there was no technique that could accurately quantitate...
Serial Changes of Doppler Echocardiographic Transvalvular Velocity during the Neonatal Period in Full Term Neonates
Woo Taek Kim, Myung Chul Hyun, Sang Bum Lee
Clin Exp Pediatr. 1996;39(7):977-986.   Published online July 15, 1996
Purpose : We performed this study to compare serial measurements which relate to both ventricular functions in full term neonates for the first three weeks after birth. Methods : Echocardiographic and pulsed Doppler studies were performed for 20 newborns during the first 36 hours of life, and subsequent serial studies in the second (n=13) and third(n=12) weeks of life. Evaluation included measurements of both...
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...
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