Search for: [Abstract = "Background\: New therapeutic methods in neonatal care and a threelevel perinatal care system have been introduced in Poland in order to decrease the mortality and the incidence of late complications of prematurity among premature neonates. Aims\: To assess the impact of new procedures on treatment results in extremely low birth weight infants. The incidence of late complications of prematurity \(with a focus on BPD and ROP\) and mortality rates were compared among <1000g birth weight neonates in the Malopolska region within the years 2002\-2004 and 2006\-2008. Additionally risk factors of late complications of prematurity were analyzed as well. Materials and methods\: 389 extremely low birth weight neonates were enrolled in the study\: 179 children born in 2002\-2004, and 210 children born in 2006\-2008, which were hospitalized in tertiary care perinatal centres in the Malopolska district. Results\: The overall mortality rate was 58%, which hadn't changed within the years 2002\-2004 and 2006\-2008 among analyzed infants. A reduction in early neonatal death rates from 466‰ to 422,4‰ was found as well as a decrease in perinatal mortality from 605,7‰ to 552‰. An increase in late neonatal mortality was observed in 2006\- 2008 compared to 2002\-2004 \(116,2‰ and 67,9‰\). The incidence of bronchopulmonary dysplasia \(76% and 76,5%\) and moderate to severe BPD \(43% and 44%\) hadn't"]

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