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KMID : 0438520100170010075
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Journal of the Korean Society of Neonatology
2010 Volume.17 No. 1 p.75 ~ p.83
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Predictors of Failed Closure of Patent Ductus Arteriosus with the First Course of Indomethacin in Preterm Infants
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Lee Mong Young
Lim Dong-Hee
Park Kyu-Hee
Ha Kee-Soo
Lee Jang-Hoon
Choi Byung-Min
Hong Young-Sook
Yoo Kee-Hwan
Lee Joo-Won
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Abstract
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Purpose : This study was performed to determine the predictors of failed closure of a patent ductus arteriosus (PDA) following the first course of indomethacin in symptomatic preterm infants.
Methods : Forty three of 43 preterm infants, admitted to the neonatal intensive care unit diagnosed with PDA and treated with indomethacin at the Korea University Medical Center between January 1990 and October 2007, ware studied. The perinatal risk factors affectingthe failed closure of PDA were retrospectively assessed.
Results : The failed PDA closure group included 16 (37%) out of 43 infants three of whom underwent surgery. The closure group included 27 (63%) out of 43 infants. In the failed closure group, the Apgar scores (1 min, 5 min) were significantly higher (P <0.05) and antenatal steroid administration was significantly lower (P <0.05). In addition, dopamine administration was significantly lower (P <0.05) and the mean postnatal age at diagnosis was significantly lower (P<0.05). Multiple logistic regression for the prediction of failed PDA closure found only antenatal steroid administration (OR 0.092, CI 0,010-0.826, P=0.0331) as anassociated factor.
Conclusion : In patients with antenatal steroid administration the failed PDA closure rate was significantly lower. Therefore, antenatal steroid administration can be considered as an important factor for the closure of PDA in preterm pregnancies. (J Korean Soc Neonatol 2010;17:75-83)
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KEYWORD
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Ductus Arteriosus, Patent, Indomethacin, Infant, Premature
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