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The Mortality of Periviable and Extremely Premature Infants and Their Impact on the Overall Neonatal Mortality Rate

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The Mortality of Periviable and Extremely Premature Infants and Their Impact on the Overall Neonatal Mortality Rate

Horacio S Falciglia et al. Sci Rep.

Abstract

To investigate mortality in periviable neonates ≤23 weeks gestational age and calculate its impact on overall neonatal mortality rate over a 12-year period (1998-2009). Verify if periviable mortality decreased in the period (2010-2015). Retrospective review. Neonatal mortality rate per 1000 live births was 11.4. Three hundred forty-nine live birth infants weighed ≤500 g and 336 died. Their proportion to the total neonatal mortality rate was 48.6%; out of 298 periviables 146 (43%) were ≤20 weeks gestational age. In 269 (80%) we could not determine the cause of death. Two hundred ninety-seven neonates (88.3%) died in the delivery room. Sixteen (5%) had an autopsy. Neonatal mortality rate from periviability was 96.2% and constituted half of the overall rate in the period (1998-2009). There was not significant reduction of periviable mortality between 2010 and 2015. Current live birth definition and a reporting system that considers a 100 g periviable live birth infant as a neonatal death has placed Ohio and the United States at a significant disadvantage compared to other countries using different reporting systems.

Conflict of interest statement

The authors declare no competing interests.

Figures

Figure 1
Figure 1
Duration of life for periviable neonates in the study.

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