Prediction of bronchopulmonary dysplasia

Caroline May, Sabina Patel, Caroline Kennedy, Elena Pollina, Gerrard F Rafferty, Janet L Peacock, Anne Greenough*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)

Abstract

Objective: To determine whether elevation of a biological marker of inflammation would be a better predictor of bronchopulmonary dysplasia (BPD) development than lung function measurement results.

Design: Prospective study.

Setting: Tertiary neonatal intensive care unit.

Patients: 78 prematurely born infants (median gestational age 29 (range 24–32) weeks) were studied; 39 developed BPD.

Interventions: BPD was diagnosed as oxygen dependence at 28 days.

Main outcome measures: Levels of a biological marker of inflammation (carbon monoxide) were assessed by measurement of end-tidal carbon monoxide (ETCO) and lung function by measurement of functional residual capacity (FRC) and compliance (Crs) and resistance (Rrs) of the respiratory system on days 3 and 14 after birth. Possible predictive factors were modelled for BPD and for BPD severity.

Results: Gestational age, birth weight, ETCO, FRC and Crs results on days 3 and 14 differed significantly between infants who did and did not develop BPD. In multifactorial logistic regression, only birth weight and ETCO results (on day 14) remained significant predictors of BPD with an area under the curve of 0.97. The final multifactorial model for the severity of BPD included those two factors, plus septic episodes.

Conclusion: These results emphasise the importance of ongoing inflammation in the development of BPD; ETCO levels, rather than lung function test results, were the more accurate predictor of BPD development.
Original languageEnglish
Pages (from-to)F410-F416
Number of pages7
JournalArchives of Disease in Childhood Fetal and Neonatal Edition
Volume96
Issue number6
Early online date28 Feb 2011
DOIs
Publication statusPublished - Nov 2011

Keywords

  • MECHANICS
  • VENTILATION
  • PRETERM INFANTS
  • HEALTH-CARE UTILIZATION
  • CHRONIC LUNG-DISEASE
  • INFECTION
  • RESISTANCE
  • CHORIOAMNIONITIS
  • BIRTH
  • CARBON-MONOXIDE

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