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Cardiology
Importance of pulmonary valve morphology for pulmonary valve preservation in tetralogy of Fallot surgery: comparison of the echocardiographic parameters
Su Jin Choi, Jung Eun Kwon, Da Eun Roh, Myung Chul Hyun, Hanna Jung, Young Ok Lee, Joon Yong Cho, Yeo Hyang Kim
Clin Exp Pediatr. 2020;63(5):189-194.   Published online November 8, 2019
Question: Is echocardiographic examination is useful for surgical method decision in patients with tetralogy of Fallot (TOF)?
Finding: Various echocardiographic parameters serve as predictors for determining surgical methods for TOF patients. However, the PV morphology and tissue characteristics should also be considered.
Meaning: A full dependence on the size of the pulmonary valve annulus (PVA), the z score, and the ratio of the size of PVA to aortic valve annulus or descending aorta surgery may result in inadequate surgical results during TOF total correction.
Outcome of neonatal palliative procedure for pulmonary atresia with ventricular septal defect or tetralogy of Fallot with severe pulmonary stenosis: experience in a single tertiary center
Tae Kyoung Jo, Hyo Rim Suh, Bo Geum Choi, Jung Eun Kwon, Hanna Jung, Young Ok Lee, Joon Yong Cho, Yeo Hyang Kim
Clin Exp Pediatr. 2018;61(7):210-216.   Published online July 15, 2018

Purpose: The present study aimed to evaluate progression and prognosis according to the palliation method used in neonates and early infants aged 3 months or younger who were diagnosed with pulmonary atresia with ventricular septal defect (PA VSD) or tetralogy of Fallot (TOF) with severe pulmonary stenosis (PS) in a single tertiary hospital over a period of 12 years. Methods: Twenty...
Outcome of inflammatory response after normothermia during cardiopulmonary bypass surgery in infants with isolated ventricular septal defect
Dong Sub Kim, Sang In Lee, Sang Bum Lee, Myung Chul Hyun, Joon Yong Cho, Young Ok Lee
Clin Exp Pediatr. 2014;57(5):222-225.   Published online May 31, 2014
Purpose

A recent study analyzing several cytokines reported that long cardiopulmonary bypass (CPB) time and long aortic cross clamp (ACC) time were accompanied by enhanced postoperative inflammation, which contrasted with the modest influence of the degree of hypothermia. In this present study, we aimed to examine the effect of CPB temperature on the clinical outcome in infants undergoing repair of isolated...

Clinical features and surgical outcomes of complete transposition of the great arteries
Suk Jin Hong, Hee Joung Choi, Yeo Hyang Kim, Myung Chul Hyun, Sang Bum Lee, Joon Yong Cho
Clin Exp Pediatr. 2012;55(10):377-382.   Published online October 29, 2012
Purpose

This single-center study aimed to assess the clinical features and surgical approaches and outcomes of complete transposition of the great arteries (TGA).

Methods

TGA patients who had undergone surgical correction at the Kyungpook National University Hospital from January 2000 to December 2010, were retrospectively evaluated for patient characteristics, clinical manifestation, preoperative management, intraoperative findings, postoperative progress, and follow-up status.

Results

Twenty-eight patients (17 boys...

Early postoperative arrhythmias after open heart surgery of pediatric congenital heart diseas
Hee Joung Choi, Yeo Hyang Kim, Joon Yong Cho, Myung Chul Hyun, Sang Bum Lee, Kyu Tae Kim
Clin Exp Pediatr. 2010;53(4):532-537.   Published online April 15, 2010
Purpose : Early postoperative arrhythmias are a major cause of mortality and morbidity after open heart surgery in the pediatric population. We evaluated the incidence and risk factors of early postoperative arrhythmias after surgery of congenital heart disease. Methods : From January 2002 to December 2008, we retrospectively reviewed the medical records of the 561 patients who underwent cardiac surgery in Kyungpook National University...
The changes in signal-averaged electrocardiogram after surgical correction of congenital heart disease
Yeo Hyang Kim, Hee Jung Choi, Gun Jik Kim, Joon Yong Cho, Myung Chul Hyun, Sang Bum Lee
Clin Exp Pediatr. 2009;52(12):1364-1369.   Published online December 15, 2009
Purpose : To analyze abnormal ventricular activation in childhood congenital heart disease induced by postoperative changes in ventricular volume and pressure and ventricular scar formation using signal-averaged electrocardiography (SAECG). Methods : Fifty-two patients who had undergone open heart surgery (OHS) were enrolled. Patients were divided into the following 3 groups: right ventricular volume overload (atrial septal defect, group1), left ventricular...
Clinical features and results of recent total anomalous pulmonary venous connection : Experience in a university hospital (Clinical study of total anomalous pulmonary venous connection)
Mi Ae Chu, Byung Ho Choi, Hee Joung Choi, Yeo Hyang Kim, Joon Yong Cho, Myung Chul Hyun, Sang Bum Lee
Clin Exp Pediatr. 2009;52(2):194-198.   Published online February 15, 2009
Purpose : Active perioperative intervention and improvement on surgical technique has decreased the mortality rate of total anomalous pulmonary venous connection (TAPVC); however, when complicated with pulmonary venous obstruction, operative mortality is still high. The purpose of this study was to investigate the clinical course of TAPVC. Methods : Twenty-seven patients who were diagnosed with TAPVC (without other complex heart...
Clinical features and results of recent neonatal cardiac surgery - A review of 82 cases in one hospital
Ki Won Oh, Jung Ok Kim, Joon Yong Cho, Myung Chul Hyun, Sang Bum Lee
Clin Exp Pediatr. 2007;50(7):665-671.   Published online July 15, 2007
Purpose : The purpose of this study was to investigate the clinical features and outcome in newborns undergoing cardiac surgery. Methods : Eighty two neonates underwent heart surgery for congenital heart defect at Kyungpook National University Hospital between March 2000 and February 2006. Patient characteristics (sex, age, diagnosis), pre-operative conditions, operation type, postoperative complications and mortality were reviewed retrospectively. Results : In...
Clinical features and surgical results of ruptured sinus of valsalva aneurysm
Tae Ho Lee, Dong Won Lee, Joon Yong Cho, Myung Chul Hyun, Sang Bum Lee
Clin Exp Pediatr. 2006;49(3):287-291.   Published online March 15, 2006
Purpose : Aneurysms of sinus valsalva are rare anormalies thought to be primarily congenital in origin, progressing into death by acute heart failure in cases of rupture. Surgical correction is the only method of treatment. With these clinical implications, we reviewed the clinical characteristics and surgical results of patients with ruptured sinus of valsalva aneurysm. Methods : Between January 1991...
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