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Incidence of congenital heart disease in the western part of Gyeongnam Province in Korea

Korean Journal of Pediatrics 2008;51(8):848-855.
Published online August 15, 2008.
Incidence of congenital heart disease in the western part of Gyeongnam Province in Korea
Sun Hwa Jang1, Jae Hui Kim1, Jung Sook Yeom1, Eun Sil Park1, Ji Hyun Seo2, Jae Young Lim2, Chan Hoo Park2, Hyang Ok Woo2, Hee Shang Youn2
1Department of Pediatrics, Gyeongsang National University College of Medicine, Jinju, Korea
2Department of Pediatrics, Institute of Health Sciences, Gyeongsang National University College of Medicine, Jinju, Korea
서부경남 지역의 선천성 심질환의 발생 빈도
장선화1, 김재희1, 염정숙1, 박은실1, 서지현2, 임재영2, 박찬후2, 우향옥2, 윤희상2
1경상대학교 의과대학 소아과학교실
2경상대학교 의과대학 소아과학교실, 건강과학연구원
Correspondence: 
Hyang Ok Woo, Email: howoo@gnu.ac.kr
Abstract
Purpose
: The objective of this study was to ascertain the incidence of congenital heart disease in the western part of Gyeongnam Province in Korea.
Methods
: We enrolled 849 children (M:F=390:459) who were diagnosed with congenital heart disease (CHD) and received echocardiography during January 1997 to December 2005 in Gyeongsang National University Hospital. The subjects were limited to patients born from 1997 to 2004. The CHDs were classified into acyanotic types and cyanotic type. Further, acyanotic type CHDs were divided into shunt type and valvular types.
Results
: Numbers of initially diagnosed patients from 1997 to 2004 were as follows: 113, 128, 116, 104, 129, 97, 84, and 78. The median age of initially diagnosed CHD patients was 1 month in the acyanotic type and 0.5 months in cyanotic type. Also, an annual frequency among CHD types and gender ratio were no significant difference in every year. Incidences of CHD from 2000 to 2004 in the western part of Gyeongnam Province were 8.9, 12.7, 10.9, 10.0, and 9.7 per 1,000 live births, respectively.
Conclusion
: From 1997 to 2001, 100-130, and from 2002 to 2004, less than 100 patients were diagnosed with CHD. This showed a decrease in the numbers of CHD patients in the last three years. However, the Incidence of CHD was 0.89- 1.24% during the last five years. Therefore, the decrease in the annual frequency of CHD was due to the recent decline in birth rate in Korea.
Key Words: Heart defects, Congenital, Epidemiology


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