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KMID : 0358420100530010029
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Korean Journal of Obstetrics and Gynecology
2010 Volume.53 No. 1 p.29 ~ p.34
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Risk factors of preterm delivery and survival rate of preterm infants in Bucheon
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Kim Tae-Hee
Lee Hae-Hyeog
Chung Soo-Ho
Kim Sung-Shin
Hong Yeon-Pyo
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Abstract
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Objective: The aim was to compare risk factors of preterm delivery and survival rate in preterm infants.
Methods: There were 723 preterm deliveries among 3,299 deliveries in our hospital from February, 2001 to December, 2006. We analyzed risk factors through women who give birth to preterm infants. The risk factors of preterm delivery were evaluated survival rate, very low-birth weight (VLBW) infant ratio, preterm infants to 751 preterm infants who was admitted at newborn intensive care unit. The data were retrospectively reviewed of hospital record and statistical analysis was performed using chi-square test and logistic regression test.
Results: The incidence rate of preterm birth increased. The risk factors that preterm premature rupture of membranes (PROM) (P<0.001), pregnancy induced hypertension (PIH) (P<0.001), twin pregnancy (P<0.001), placenta previa (P=0.009) and placenta abruption (P=0.041) as women that give birth to preterm infants were statistically significant. But, anemia (P=0.170), previous cesarean section history (P= 0.780), uterine myoma (P=0.848), previous appendectomy history (P=0.999) did not statistically significant. Survival rate of total preterm infants was average 95%. And survival rate of VLBW infants was 86%.
Conclusion: It was found to be risk factors for preterm delivery with PROM, PIH, and placenta previa. The VLBW infants with less than 33 gestational weeks are increased every year but total survival rate is not different. We hope that we propose to research the cause of preterm delivery and survival rate of preterm infants prospectively.
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KEYWORD
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Preterm delivery, Preterm infants, Very low birth weight, Survival rate, Risk factor, Morbidity
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