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Sustained Inflation vs Standard Resuscitation for Preterm Infants: A Systematic Review and Meta-analysis.

  • Foglia, Elizabeth E1
  • Te Pas, Arjan B2
  • Kirpalani, Haresh1
  • Davis, Peter G3
  • Owen, Louise S3
  • van Kaam, Anton H4
  • Onland, Wes4
  • Keszler, Martin5
  • Schmölzer, Georg M6
  • Hummler, Helmut7
  • Lista, Gianluca8
  • Dani, Carlo9
  • Bastrenta, Petrina8
  • Localio, Russell10
  • Ratcliffe, Sarah J11
  • 1 Division of Neonatology, Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia.
  • 2 Division of Neonatology, Department of Pediatrics, Leiden University, Leiden, the Netherlands. , (Netherlands)
  • 3 Newborn Research Center, The Royal Women's Hospital, Melbourne, Victoria, Australia. , (Australia)
  • 4 Emma Children's Hospital, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands. , (Netherlands)
  • 5 Department of Pediatrics, Women and Infants Hospital of Rhode Island, Alpert Medical School of Brown University, Providence.
  • 6 Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada. , (Canada)
  • 7 Department of Pediatrics, Sidra Medicine, Doha, Qatar. , (Qatar)
  • 8 Department of Pediatrics, Neonatal Intensive Care Unit, Ospedale dei Bambini V.Buzzi ASST-FBF-Sacco, Milan, Italy. , (Italy)
  • 9 Department of Neuroscience, Psychology, Pharmacology and Child Health, University of Florence, Florence, Italy. , (Italy)
  • 10 Department of Biostatistics and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia.
  • 11 Division of Biostatistics, Department of Public Health Sciences, University of Virginia, Charlottesville.
Published Article
JAMA pediatrics
Publication Date
Apr 01, 2020
DOI: 10.1001/jamapediatrics.2019.5897
PMID: 32011661


Most preterm infants require respiratory support to establish lung aeration after birth. Intermittent positive pressure ventilation and continuous positive airway pressure are standard therapies. An initial sustained inflation (inflation time >5 seconds) is a widely practiced alternative strategy. To conduct a systematic review and meta-analysis of sustained inflation vs intermittent positive pressure ventilation and continuous positive airway pressure for the prevention of hospital mortality and morbidity for preterm infants. MEDLINE (through PubMed), Embase, the Cumulative Index of Nursing and Allied Health Literature, and the Cochrane Central Register of Controlled Trials were searched through June 24, 2019. Randomized clinical trials of preterm infants born at less than 37 weeks' gestation that compared sustained inflation (inflation time >5 seconds) vs standard resuscitation with either intermittent positive pressure ventilation or continuous positive airway pressure were included. Studies including other cointerventions were excluded. Two reviewers assessed the risk of bias of included studies. Meta-analysis of pooled outcome data used a fixed-effects model specific to rarer events. Subgroups were based on gestational age and study design (rescue vs prophylactic sustained inflation). Death before hospital discharge. Nine studies recruiting 1406 infants met inclusion criteria. Death before hospital discharge occurred in 85 of 736 infants (11.5%) treated with sustained inflation and 62 of 670 infants (9.3%) who received standard therapy for a risk difference of 3.6% (95% CI, -0.7% to 7.9%). Although analysis of the primary outcome identified important heterogeneity based on gestational age subgroups, the 95% CI for the risk difference included 0 for each individual gestational age subgroup. There was no difference in the primary outcome between subgroups based on study design. Sustained inflation was associated with increased risk of death in the first 2 days after birth (risk difference, 3.1%; 95% CI, 0.9%-5.3%). No differences in the risk of other secondary outcomes were identified. The quality-of-evidence assessment was low owing to risk of bias and imprecision. There was no difference in the risk of the primary outcome of death before hospital discharge, and there was no evidence of efficacy for sustained inflation to prevent secondary outcomes. These findings do not support the routine use of sustained inflation for preterm infants after birth.

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