Survival estimations at the limit of viability

References

• Zeitlin J, Draper ES, Kollée L, et al. Differences in rates and short term outcome of live births before 32 weeks of gestation in Europe in 2003: results from the MOSAIC cohort. Pediatrics 2008;121:e936–44.
   PubMed Web of Science ®Google Scholar
• Berger TM, Steurer MA, Woerner A, et al. Swiss Neonatal Network. Trends and centre-to-centre variability in survival rates of very preterm infants (<32 weeks) over a 10-year-period in Switzerland. Arch Dis Child Fetal Neonatal Ed 2012;97:F323–8.
   PubMed Web of Science ®Google Scholar
• García-Muñoz Rodrigo F, Díez Recinos AL, García-Alix Pérez A, et al. Changes in perinatal care and outcomes in newborns at the limit of viability in Spain: The EPI-SEN study. Neonatology 2015;107:120–9.
   PubMed Web of Science ®Google Scholar
• Stoelhorst GM, Rijken M, Martens SE, et al. Changes in neonatology: comparison of two cohorts of very preterm infants (gestational age <32 weeks): the project on preterm and small for gestational age infants 1983 and the Leiden follow up project on prematurity 1996–1997. Pediatrics 2005;115:396–405.
   PubMed Web of Science ®Google Scholar
• Costeloe KL, Hennessy EM, Haider S, et al. Short term outcomes after extreme preterm birth in England: comparison of two birth cohorts in 1995 and 2006 (the EPICure studies). BMJ 2012;345:e7976.
   PubMed Web of Science ®Google Scholar
• Field DJ, Dorling JS, Manktelow BN, Draper ES. Survival of extremely premature babies in a geographically defines population: prospective cohort study of 1994–9 compared with 2000–5. BMJ 2008;336:1221–3.
   PubMed Web of Science ®Google Scholar
• Doyle LW, Roberts G, Anderson PJ. Outcomes at age 2 years of infants <28 weeks' gestational age born in Victoria in 2005. J Pediatr 2010;156:49–53 e41.
   PubMed Web of Science ®Google Scholar
• Stoll BJ, Hansen NI, Bell EF, et al. Eunice Kennedy Shriver National Institute of Child Health and Human Development Neonatal Research Network, et al. Neonatal outcomes of extremely preterm infants from the NICHD Neonatal Research Network. Pediatrics 2010;126:443–56.
   PubMed Web of Science ®Google Scholar
• Tyson JE, Parikh NA, Langer J, et al. National Institute of Child Health and Human Development Neonatal Research Network. Intensive care for extreme prematurity – moving beyond gestational age. N Engl J Med 2008;358:1672–81.
   PubMed Web of Science ®Google Scholar
• Isayama T, Lee SK, Mori R, et al. Canadian Neonatal Network; Neonatal Research Network of Japan, et al. Comparison of mortality and morbidity of very low birth weight infants between Canada and Japan. Pediatrics 2012;130:e957–65.
   PubMed Web of Science ®Google Scholar
• Larroque B, Bréart G, Kaminski M, et al. Epipage Study Group. Survival of very preterm infants: Epipage, a population based cohort study. Arch Dis Child Fetal Neonatal Ed 2004;89:F139–44.
   PubMed Web of Science ®Google Scholar
• de Waal CG, Weisglas-Kuperus N, van Goudoever JB, Walther FJ, NeoNed Study Group; LNF Study Group. Mortality, neonatal morbidity and two year follow-up of extremely preterm infants born in The Netherlands in 2007. PLoS ONE 2012;7:e41302.
   PubMed Web of Science ®Google Scholar
• Rüegger C, Hegglin M, Adams M, Bucher HU, Swiss Neonatal Network. Population based trends in mortality, morbidity and treatment for very preterm- and very low birth weight infants over 12 years. BMC Pediatr 2012;12:17.
   PubMed Web of Science ®Google Scholar
• Fellman V, Hellström-Westas L, Norman M, et al. EXPRESS Group, et al. One-year survival of extremely preterm infants after active perinatal care in Sweden. JAMA 2009;301:2225–33.
   PubMed Web of Science ®Google Scholar
• Markestad T, Kaaresen PI, Rønnestad A, et al. Norwegian Extreme Prematurity Study Group. Early death, morbidity, and need of treatment among extremely premature infants. Pediatrics 2005;115:1289–98.
   PubMed Web of Science ®Google Scholar
• Tommiska V, Heinonen K, Lehtonen L, et al. No improvement in outcome of nationwide extremely low birth weight infant populations between 1996–1997 and 1999–2000. Pediatrics 2007;119:29–36.
   PubMed Web of Science ®Google Scholar
• García-Muñoz Rodrigo F, García-Alix Pérez A, García Hernández JA, Figueras Aloy J, SEN1500 Network. Morbidity and mortality in newborns at the limit of viability in Spain: a population-based study. An Pediatr (Barc) 2014;80:348–56.
   PubMed Web of Science ®Google Scholar
• Pignotti MS, Donzelli G. Perinatal care at the threshold of viability: an international comparison of practical guidelines for the treatment of extremely preterm births. Pediatrics 2008;121:e193–8.
   PubMed Web of Science ®Google Scholar
• Evans DJ, Levene MI. Evidence of selection bias in preterm survival studies: a systematic review. Arch Dis Child Fetal Neonatal Ed 2001;84:F79–84.
   PubMed Web of Science ®Google Scholar
• World Health Organization. The World Health Report 2005: make every mother and child count. Available from: http://www.who.int/whr/2005/whr2005_en.pdf.
   Google Scholar
• Smith L, Draper ES, Manktelow BN, et al. Comparing regional infant death rates: the influence of preterm births &lt;24 weeks of gestation. Arch Dis Child Fetal Neonatal Ed 2013;98:F103–7.
   PubMed Web of Science ®Google Scholar
• World Health Organization. Neonatal and Perinatal Mortality. Country, Regional and Global Estimates. Genova, Switzerland; 2006.
   Google Scholar
• Iriondo M, Szyld E, Vento M, et al. Grupo de reanimación neonatal de la Sociedad Española de Neonatología. Changes in the international recommendations on neonatal resuscitation, 2010: comments. An Pediatr (Barc) 2011;75:203.e1–14.
   Google Scholar
• Berger TM, Bernet V, El Alama S, et al. Perinatal care at the limit of viability between 22 and 26 completed weeks of gestation in Switzerland. 2011 revision of the Swiss recommendations. Swiss Med Wkly 2011;141:w13280.
   PubMed Web of Science ®Google Scholar
• Draper ES, Zeitlin J, Fenton AC, et al. MOSAIC research group. Investigating the variations in survival rates for very preterm infants in 10 European regions: the MOSAIC birth cohort. Arch Dis Child Fetal Neonatal Ed 2009;94:F158–63.
   PubMed Web of Science ®Google Scholar
• Moro Serrano M, Fernández Pérez C, Figueras Alloy J, et al. SEN1500: design and implementation of a registry of infants weighing less than 1500 g at birth in Spain (in Spanish). An Pediatr (Barc) 2008;68:181–8.
   PubMedGoogle Scholar
• Draper E, Field DJ. Epidemiology of prematurity – how valid are comparisons of neonatal outcomes? Semin Fetal Neonatal Med 2007;12:337–43.
   PubMed Web of Science ®Google Scholar
• Hummler H. Benchmarking in neonatal intensive care: obstetrical and neonatal practices and registration policies may influence outcome data. Arch Dis Child Fetal Neonatal Ed 2013;98:F96–7.
   PubMed Web of Science ®Google Scholar
• Guillen U, DeMauro S, Ma L, et al. Survival rates in extremely low birthweight infants depend on the denominator: avoiding potential for bias by specifying denominators. Am J Obstet Gynecol 2011;205:329.e1–7.
   PubMed Web of Science ®Google Scholar
• Alleman BW, Bell EF, Li L, et al. Eunice Kennedy Shriver National Institute of Child Health and Human Development Neonatal Research Network, et al. Individual and center-level factors affecting mortality among extremely low birth weight infants. Pediatrics 2013;132:e175–84.
   PubMed Web of Science ®Google Scholar