Document Detail


Evaluating Manual Inflations and Breathing during Mask Ventilation in Preterm Infants at Birth.
MedLine Citation:
PMID:  23102793     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: To investigate inflations (initial sustained inflations and consecutive inflations) and breathing during mask ventilation in preterm infants at birth. STUDY DESIGN: Resuscitation of infants <32 weeks' gestation receiving mask ventilation at birth were recorded. Recorded waveforms were divided into inflations (sustained and consecutive inflations), breaths in between inflations, breaths coinciding with an inflation, and breaths on continuous positive airway pressure (during evaluation moments in between and after ventilation) and expiratory tidal volume (V(Te)) was compared. Inflations were analyzed for leak, low V(Te) (<2.5 mL/kg), high V(Te) (>15 mL/kg in sustained inflations, >10 mL/kg in consecutive inflations), and airway obstruction. RESULTS: In 27 infants, we analyzed 1643 inflations, 110 breaths in between inflations, 133 breaths coinciding with an inflation, and 1676 breaths on continuous positive airway pressure. A large mask leak frequently resulted in low V(Te). Breathing during positive pressure ventilation occurred in 24 of 27 infants (89%). Median (IQR) V(Te) of inflations, breaths in between inflations, and breaths coinciding with an inflation were 0.8 mL/kg (0.0-5.6 mL/kg), 2.8 mL/kg (0.7-4.6 mL/kg), and 3.9 mL/kg (0.0-7.7 mL/kg) during sustained inflations and 3.7 mL/kg (1.4-6.7 mL/kg), 3.3 mL/kg (2.1-6.6 mL/kg), and 4.6 mL/kg (2.1-7.8 mL/kg) during consecutive inflations, respectively. The V(Te) of breaths were significantly lower than the V(Te) of inflations or breaths coinciding with an inflation. CONCLUSIONS: We often observed large leak and low V(Te), especially during sustained inflations. Most preterm infants breathe when receiving mask ventilation and this probably contributed to the stabilization of the infants after birth.
Authors:
Kim Schilleman; Corinne J M van der Pot; Stuart B Hooper; Enrico Lopriore; Frans J Walther; Arjan B Te Pas
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-25
Journal Detail:
Title:  The Journal of pediatrics     Volume:  -     ISSN:  1097-6833     ISO Abbreviation:  J. Pediatr.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375410     Medline TA:  J Pediatr     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Mosby, Inc. All rights reserved.
Affiliation:
Division of Neonatology, Department of Pediatrics, Leiden University Medical Center, Leiden, Zuid-Holland, The Netherlands. Electronic address: kimschilleman86@gmail.com.
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