Research Topics
| R K R ChangSummaryAffiliation: University of California Country: USA Publications
Research Grants
| Collaborators
|
Detail Information
Publications
Bubble contrast echocardiography in detecting pulmonary arteriovenous shunting in children with univentricular heart after cavopulmonary anastomosisR K Chang
Department of Pediatrics, UCLA School of Medicine, Los Angeles, California, USA
J Am Coll Cardiol 33:2052-8. 1999....- Parental preference regarding hospitals for children undergoing surgery: a trade-off between travel distance and potential outcome improvementRuey Kang R Chang
Division of Cardiology, Department of Pediatrics, David Geffen School of Medicine at the University of California Los Angeles, USA
Can J Cardiol 20:877-82. 2004..To explore parental preference in the choice between a local and a referral hospital for children undergoing heart surgery... - Comparison of upright and semi-recumbent postures for exercise echocardiography in healthy childrenRuey Kang R Chang
Department of Pediatrics, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
Am J Cardiol 95:918-21. 2005..It was found that a semi-recumbent position with back support is superior to an upright position, with no difference in physiologic measurements... - Current practice of exercise stress testing among pediatric cardiology and pulmonology centers in the United StatesR K R Chang
Department of Pediatrics, David Geffen School of Medicine, UCLA, Los Angeles, CA 90095, USA
Pediatr Cardiol 27:110-6. 2006..Treadmills are used more frequently than cycle ergometers, and Bruce and modified Bruce protocols are commonly used. Most survey respondents measure metabolic parameters during EST... - Changes in the newborn delivery practice and neonatal outcomes as financing changed in Los Angeles County and Orange County, CaliforniaRuey Kang R Chang
Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles 90095, USA
Manag Care Interface 18:53-7, 62. 2005..The newborn interhospital transfer rate for patients in LAC remained unchanged. The newborn in-hospital mortality rates for both LAC and OC decreased during the study period... - Risk factors for deaths occurring within 30 days and 1 year after hospital discharge for cardiac surgery among pediatric patientsRuey Kang R Chang
Division of Cardiology, Department of Pediatrics, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA
Am Heart J 152:386-93. 2006..Little is known regarding the risk factors for early and late death after hospital discharge among pediatric patients undergoing cardiac surgery... - Sudden infant death syndrome: changing epidemiologic patterns in California 1989-2004Ruey Kang R Chang
Division of Cardiology, Department of Pediatrics, Harbor UCLA Medical Center, Torrance, CA 90509, USA
J Pediatr 153:498-502. 2008..To evaluate the changes of sudden infant death syndrome (SIDS) epidemiology in California... - Screening newborns for congenital heart disease with pulse oximetry: survey of pediatric cardiologistsRuey Kang R Chang
Division of Cardiology, Department of Pediatrics, Harbor UCLA Medical Center, 1000 West Carson Street, Box 491, Torrance, CA 90509, USA
Pediatr Cardiol 30:20-5. 2009..This study aimed to evaluate current practices and opinions of pediatric cardiologists in relation to newborn screening for congenital heart disease (CHD) using pulse oximetry... - Missed diagnosis of critical congenital heart diseaseRuey Kang R Chang
Department of Pediatrics, Division of Cardiology, Harbor UCLA Medical Center, Torrance, CA 90509, USA
Arch Pediatr Adolesc Med 162:969-74. 2008..To evaluate the rate and the clinical and demographic characteristics of missed diagnosis of critical congenital heart disease (CCHD)... - Impact of palivizumab on RSV hospitalizations for children with hemodynamically significant congenital heart diseaseRuey Kang R Chang
Division of Cardiology, Department of Pediatrics, Harbor UCLA Medical Center, 1000 West Carson Street, Box 491, Torrance, CA 90509, USA
Pediatr Cardiol 31:90-5. 2010..Considering the high cost of palivizumab administration, the cost-benefit of RSV prophylaxis with palivizumab warrants further investigation... - Parental preference for one-stage versus two-stage surgical repair for children with congenital heart diseaseRuey Kang R Chang
Division of Cardiology, Department of Pediatrics, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
Cardiol Young 13:7-10. 2003..Little is known regarding parental preference for a one-stage complete repair versus a two-staged approach with initial palliation, followed by repair, of the congenital cardiac malformation... - Can regionalization decrease the number of deaths for children who undergo cardiac surgery? A theoretical analysisRuey Kang R Chang
Division of Cardiology, Department of Pediatrics, Harbor UCLA Medical Center, Torrance, California 90509, USA
Pediatrics 109:173-81. 2002..To simulate the effects of regionalization of pediatric cardiac surgery, we assessed the impact of reducing the number of pediatric cardiac centers on surgical mortality and patient's travel distance... - Echocardiographic findings of hypertrophic cardiomyopathy in children after orthotopic liver transplantationR K Chang
Division of Cardiology, Department of Pediatrics, Harbor UCLA Medical Center, Torrance, California 90509, USA
Pediatr Transplant 5:187-91. 2001..The effect of tacrolimus on HCM development may be acute and temporary. More data are needed to determine the incidence of HCM in children on tacrolimus therapy and to establish guidelines for clinicians who follow-up these children... - Hospitalizations for Kawasaki disease among children in the United States, 1988-1997Ruey Kang R Chang
Division of Cardiology, Department of Pediatrics, Harbor UCLA Medical Center, Torrance, California 90509, USA
Pediatrics 109:e87. 2002..To evaluate the epidemiologic pattern of Kawasaki disease (KD) in the United States over 10 years... - Clinical management of infants with hypoplastic left heart syndrome in the United States, 1988-1997Ruey Kang R Chang
Division of Cardiology, Department of Pediatrics, Harbor UCLA Medical Center, Torrance, California 90509, USA
Pediatrics 110:292-8. 2002..To evaluate changes in the clinical management of infants with hypoplastic left heart syndrome (HLHS) over a 10-year period... - Female sex as a risk factor for in-hospital mortality among children undergoing cardiac surgeryRuey Kang R Chang
Division of Cardiology, Department of Pediatrics, Harbor UCLA Medical Center, Torrance, Calif 90509, USA
Circulation 106:1514-22. 2002..The purpose of this study was to investigate whether sex disparity in cardiovascular outcomes exists in children who undergo cardiac surgery... - Resources, use, and regionalization of pediatric cardiac servicesRuey Kang R Chang
Division of Cardiology, Department of Pediatrics, Mattel Children s Hospital at the University of California Los Angeles, 90024, USA
Curr Opin Cardiol 18:98-101. 2003.... - Factors associated with age at operation for children with congenital heart diseaseR K Chang
Division of Cardiology, Department of Pediatrics, Harbor UCLA Medical Center, Torrance, California 90509, USA
Pediatrics 105:1073-81. 2000..However, the effect of these factors on the age at which cardiac surgery is performed has not been evaluated. This study is designed to evaluate the factors that influence the age at which definitive surgical repair is performed... - Epidemiologic characteristics of children hospitalized for Kawasaki disease in CaliforniaRuey-Kang R Chang
Division of Cardiology, Department of Pediatrics, Harbor-UCLA Medical Center, Torrance, CA, USA
Pediatr Infect Dis J 21:1150-5. 2002..Asians had the highest KD incidence compared with other races. Peak incidence was in March, and the lowest incidence was in September. KD incidence was not associated with temperature, precipitation, family size or population density... - Sex-related disparity in surgical mortality among pediatric patientsThomas S Klitzner
Division of Cardiology, Department of Pediatrics, David Geffen School of Medicine at UCLA, Los Angeles, CA 90024, USA
Congenit Heart Dis 1:77-88. 2006..There was no difference in length of hospital stay between males and females. The mechanism by which female gender acts as a risk factor requires further investigation... - Hypoplastic left heart syndrome: attitudes among pediatric residents and nurses towards fetal and neonatal managementP Renella
Division of Pediatric Cardiology, Mattel Children s Hospital at the University of California Los Angeles UCLA Medical Center, 10833 Le Conte Avenue, MDCC, B2 427 Los Angeles, CA 90095, USA
Prenat Diagn 27:1045-55. 2007..To determine the attitudes of pediatric residents and nurses towards fetal/neonatal management of hypoplastic left heart syndrome (HLHS), and their basis... - Factors associated with prescription drug expenditures among children: an analysis of the Medical Expenditure Panel surveyAlex Y Chen
Department of Pediatrics, UCLA School of Medicine, Los Angeles, California 90024, USA
Pediatrics 109:728-32. 2002..This study examines the factors that influence utilization of prescription drugs in the pediatric population... - B-type natriuretic peptide in children after cardiac transplantationYueh-Tze Lan
Division of Cardiology, Department of Pediatrics, David Geffen School of Medicine at the University of California at Los Angeles, Los Angeles, California 90095, USA
J Heart Lung Transplant 23:558-63. 2004..CONCLUSIONS: Plasma BNP concentration was elevated in children after OHT and decreased exponentially in time to 100 pg/ml by 14 weeks after OHT. The decrease in BNP concentration was unrelated to left ventricular dimension... - Growth and weight gain of prepubertal children after cardiac transplantationRenuka E Peterson
Department of Pediatrics, Children s Hospital of Orange County, Orange County, CA, USA
Pediatr Transplant 12:436-41. 2008..Length of steroid therapy is negatively related to the "catch-up" linear growth following OHT... - Echocardiographic assessment of the right ventricular stress-velocity relationship under normal and chronic overload conditionsJames J Joyce
Cardiology Division, Department of Pediatrics, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
Echocardiography 21:17-25. 2004..We hypothesized that, as formerly shown for the left ventricle, there would be a direct relationship between the velocity of ejection and an estimate of systolic wall stress... - The incidence of Kawasaki disease in the United States did not increase between 1988 and 1997Ruey-Kang R Chang
Pediatrics 111:1124-5. 2003
Research Grants
- Mentored Patient-Oriented Research Career Development AwardRuey Kang Chang; Fiscal Year: 2006..The principal investigator will take advanced courses to enhance knowledge and skills needed for patient-oriented research and work with the mentors to conduct the proposed project during the award period. ..