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Original Article
The Estimation of Pressure Gradients of the various Cardiac Chambers Using Conbtinuos-Wave Doppler Echocardiography in Congenital Heart Disease.
Du Young Choi, Yeon Sim Kim, Hyung Suk Yoon
Clin Exp Pediatr. 1990;33(3):324-331.   Published online March 31, 1990
Continuous-Wave doppler echocardiography was used to estimate the Pressure gradient in 55 children with congenital heart disease. To test whether the Doppler method would be useful for evaluation and management of pediatric patients with ventricular septal defect (VSD)), pulmonic stenosis (PS), tricuspid regurgitation (TR), we recorded the maximal velocity (Vmax) of transseptal, pulmonary and regurgitant tricuspid jet flows and calculated the pressure gradients used by...
Noninvasive Assessment of Pressure Gradient by Quantitative Two-Dimensional Echocardiographic Doppler Studies in Pediatric Cardiovascular Diseases.
Wang Bok Lee, Hye Li Chung, Dong Jin Lee, Sang Bum Lee
Clin Exp Pediatr. 1987;30(5):518-526.   Published online May 31, 1987
In this study we assessed the predictive accuracy of continuous wave Doppler echocardiography for noninvasive measurement of pressure gradients in various pediatric cardiovascular diseases. We studied 32 children, ages 50 days to 12 years, prior to cardiac catheterization or after palliative operation and compared Doppler-estimated gradients and gradients obtained at catheterization or operation. The ultrasound beam was aligned as much as possible to...
Clicical Syudy on Cardiac Involvement in Rheumatic Heart Disease in Children.
Sung Ho Cha, Myeong Yeon lee, Jong Woo Bae, Byeong Soo Cho, Chang Il Ahn
Clin Exp Pediatr. 1986;29(11):1215-1224.   Published online November 30, 1986
A clinical study was carried out to obtained the cardiac manifestations and echocardiographic findings from 25 cases of rheumatic carditis, those were undertaken echocardiography among 52 cases of rheumatic carditis from January 1973 to June 1985, admitted to Pediatric department of Kyung Hee university hospital. And compared with age matched 14 cases of control group. The following results were obtained: 1)...
The Criteria for Surgical Correction of Ventricular Septal Defect by Non-invasive Diagnostic Methods.
Chuhl Joo Lyu, Jun Hee Sul, Sung Kyu Lee, Dong Shik Chin
Clin Exp Pediatr. 1986;29(8):830-835.   Published online August 31, 1986
In selected cases, early corrective surgery is indicated in the management of infants with moderate or large ventricular septal defects. The risks of any surgical procedure in infancy are acknowledged to be great and should be avoided if possible. However, these surgical risks are justified when the patients have intractable congestive heart failure, marked growth retardation, recurrent prolonged lower respiratory...