Reference values for diaphragm electrical activity (Edi) in newborn infants

Abstract Background Neurally adjusted ventilatory assist is an emerging mode of respiratory support that uses the electrical activity of the diaphragm (Edi) to provide synchronised inspiratory pressure support, proportional to an infant's changing inspiratory effort. Data on Edi reference value...

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Main Authors: Varappriyangga Gurumahan (Author), Sriganesh Thavalingam (Author), Tim Schindler (Author), John Smyth (Author), Kei Lui (Author), Srinivas Bolisetty (Author)
Format: Book
Published: BMC, 2022-09-01T00:00:00Z.
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001 doaj_3db923ae55dc4a8ab22e328826234c9b
042 |a dc 
100 1 0 |a Varappriyangga Gurumahan  |e author 
700 1 0 |a Sriganesh Thavalingam  |e author 
700 1 0 |a Tim Schindler  |e author 
700 1 0 |a John Smyth  |e author 
700 1 0 |a Kei Lui  |e author 
700 1 0 |a Srinivas Bolisetty  |e author 
245 0 0 |a Reference values for diaphragm electrical activity (Edi) in newborn infants 
260 |b BMC,   |c 2022-09-01T00:00:00Z. 
500 |a 10.1186/s12887-022-03619-1 
500 |a 1471-2431 
520 |a Abstract Background Neurally adjusted ventilatory assist is an emerging mode of respiratory support that uses the electrical activity of the diaphragm (Edi) to provide synchronised inspiratory pressure support, proportional to an infant's changing inspiratory effort. Data on Edi reference values for neonates are limited. The objective of this study was to establish reference Edi values for preterm and term neonates who are not receiving respiratory support. Methods This was a prospective observational study of newborn infants breathing spontaneously in room air. The Edi waveform was monitored by a specialised naso/orogastric feeding tube with embedded electrodes positioned at the level of the diaphragm. Edi minimums and peaks were recorded continuously for 4 h without changes to routine clinical handling. Results Twenty-four newborn infants (16 preterm [< 37 weeks' gestation]; 8 term) were studied. All infants were breathing comfortably in room air at the time of study. Edi data were successfully captured in all infants. The mean (±SD) Edi minimum was 3.02 (±0.94) μV and the mean Edi peak was 10.13 (±3.50) μV. In preterm infants the mean (±SD) Edi minimum was 3.05 (±0.91) μV and the mean Edi peak was 9.36 (±2.13) μV. In term infants the mean (±SD) Edi minimum was 2.97 (±1.05) μV and the mean Edi peak was 11.66 (±5.14) μV. Conclusion Reference Edi values were established for both preterm and term neonates. These values can be used as a guide when monitoring breathing support and when using diaphragm-triggered modes of respiratory support in newborn infants 
546 |a EN 
690 |a Intensive care units 
690 |a Neonatal 
690 |a Non-invasive ventilation 
690 |a Diaphragm 
690 |a Pediatrics 
690 |a RJ1-570 
655 7 |a article  |2 local 
786 0 |n BMC Pediatrics, Vol 22, Iss 1, Pp 1-5 (2022) 
787 0 |n https://doi.org/10.1186/s12887-022-03619-1 
787 0 |n https://doaj.org/toc/1471-2431 
856 4 1 |u https://doaj.org/article/3db923ae55dc4a8ab22e328826234c9b  |z Connect to this object online.