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KMID : 0191120110260040467
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Journal of Korean Medical Science
2011 Volume.26 No. 4 p.467 ~ p.473
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Recent Trends in Neonatal Mortality in Very Low Birth Weight Korean Infants: In Comparison with Japan and the USA
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Hahn Won-Ho
Chang Ji-Young
Chang Yun-Sil
Shim Kye-Shik
Bae Chong-Woo
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Abstract
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With regard to the outcome of intensive neonatal care, one of the most important concerns in neonatology is the mortality rate of very low birth weight infants (VLBWI; birth weight < 1,500 g) and extremely low birth weight infants (ELBWI; birth weight < 1,000 g). The present study was conducted to analyze and compare the mortality of VLBWI and ELBWI and neonatal care among Korean, Japanese, and American newborns. In Korea, the survival rates of VLBWI have increased significantly; they were 31.8% in the early 1960s, 65.8% in the early 1990s, 77.5% in 2002, 84.7% in 2007, and 85.7% in 2009. The survival rates of ELBWI have also increased; they were 8.2% in the early 1960s, 37.4% in the early 1990s, 56.1% in 2002, 67.7% in 2007, and 71.8% in 2009. The survival rates of VLBWI and ELBWI have significantly improved over the past 50 yr in Korea. However, the Korean survival rates of VLBWI and ELBWI are still lower than for similar groups in Japan and the USA. To achieve better outcomes that reach the level of these countries, the organization of perinatal care centers, nationwide neonatal perinatal research networks, and regionalization are needed in Korea.
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KEYWORD
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Humans, Infant, Newborn, Infant, Very Low Birth Weight, Infant, Extremely Low Birth Weight, Infant, Premature, Infant Mortality, Survival Rate, Survival Analysis, Korea, Japan, United States, Epidemiology
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