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  • Title: Chest compression during sustained inflation versus 3:1 chest compression:ventilation ratio during neonatal cardiopulmonary resuscitation: a randomised feasibility trial.
    Author: Schmölzer GM, O Reilly M, Fray C, van Os S, Cheung PY.
    Journal: Arch Dis Child Fetal Neonatal Ed; 2018 Sep; 103(5):F455-F460. PubMed ID: 28988159.
    Abstract:
    BACKGROUND: Current neonatal resuscitation guidelines recommend 3:1 compression:ventilation (C:V) ratio. Recently, animal studies reported that continuous chest compressions (CC) during a sustained inflation (SI) significantly improved return of spontaneous circulation (ROSC). The approach of CC during SI (CC+SI) has not been examined in the delivery room during neonatal resuscitation. HYPOTHESIS: It is a feasibility study to compare CC+SI versus 3:1 C:V ratio during neonatal resuscitation in the delivery room. We hypothesised that during neonatal resuscitation, CC+SI will reduce the time to ROSC. Our aim was to examine if CC+SI reduces ROSC compared with 3:1 C:V CPR in preterm infants <33 weeks of gestation. STUDY DESIGN: Randomised feasibility trial. METHOD: Once CC was indicated all eligible infants were immediately and randomly allocated to either CC+SI group or 3:1 C:V group. A sequentially numbered, brown, sealed envelope contained a folded card box with the treatment allocation was opened by the clinical team at the start of CC. STUDY INTERVENTIONS: Infants in the CC+SI group received CC at a rate of 90/min during an SI with a duration of 20 s (CC+SI). After 20 s, the SI was interrupted for 1 s and the next SI was started for another 20 s until ROSC. Infants in the '3:1 group' received CC using 3:1 C:V ratio until ROSC. PRIMARY OUTCOME: Overall the mean (SD) time to ROSC was significantly shorter in the CC+SI group with 31 (9) s compared with 138 (72) s in the 3:1 C:V group (p=0.011). CONCLUSION: CC+SI is feasible in the delivery room. TRIAL REGISTRATION NUMBER: Clinicaltrials.gov NCT02083705, pre-results.
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