Research output: Contribution to journal › Article › peer-review
Emma Williams, Theodore Dassios, Kate Arnold, Ann Hickey, Anne Greenough
Original language | English |
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Journal | Journal of Perinatal Medicine |
Early online date | 12 Nov 2019 |
DOIs | |
Accepted/In press | 10 Oct 2019 |
E-pub ahead of print | 12 Nov 2019 |
Additional links |
prolonged ventilation 240719 for JPM
prolonged_ventilation_240719_for_JPM.doc, 85 KB, application/msword
Uploaded date:04 Dec 2019
Version:Accepted author manuscript
Prolonged ventilation and postnatal_WILLIAMS_Publishedonline12November2019_GREEN AAM
Prolonged_ventilation_and_postnatal_WILLIAMS_Publishedonline12November2019_GREEN_AAM.pdf, 209 KB, application/pdf
Uploaded date:04 Dec 2019
Version:Accepted author manuscript
Extremely premature infants often need invasive respiratory support from birth, but have low nutritional reserves and high metabolic demands. Our aim was to determine if there was a relationship between prolonged ventilation and reduced postnatal growth in such infants. A retrospective, observational study was undertaken. Data from infants born at less than 28 weeks of gestational age and ventilated for 7 days or more were collected and analysed including gestational age, gender, birth and discharge weight, birth and discharge head circumference, days of invasive mechanical ventilation and use of postnatal corticosteroids. The duration of invasive mechanical ventilation and the differences in weight (ΔWz) and head circumference (ΔHz) z-score from birth to discharge were calculated. Fifty-five infants were studied with a median [interquartile range (IQR)] gestational age at birth of 25.3 (24.3-26.7) weeks and birth weight of 0.73 (0.65-0.87) kg. The median duration of mechanical ventilation was 45 (33-68) days. Both ΔWz and ΔHz were significantly negatively correlated to the number of invasive mechanical ventilation days (P = 0.01 and P = 0.03, respectively), but not to the use of postnatal corticosteroids. Poor postnatal growth is significantly negatively associated with a longer duration of mechanical ventilation in extremely prematurely born infants.
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