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  • Original Article
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Predictors of death or bronchopulmonary dysplasia in preterm infants with respiratory failure

Abstract

Objectives:

To identify the variables that predict death/physiologic bronchopulmonary dysplasia (BPD) in preterm infants with severe respiratory failure.

Study Design:

The study was a secondary analysis of data from the NICHD Neonatal Research Network trial of inhaled nitric oxide (iNO) in preterm infants. Stepwise logistic regression models and Classification and Regression Tree (CART) models were developed for the outcome of death or physiologic BPD (O2 at 36 weeks post-menstrual age).

Result:

Death and/or BPD was associated with lower birth weight, higher oxygen requirement, male gender, additional surfactant doses, higher oxygenation index and outborn status, but not the magnitude of response in PaO2 to iNO. The positive predictive value of the CART model was 82% at 95% sensitivity.

Conclusions:

The major factors associated with death/BPD were an increased severity of respiratory failure, lower birth weight, male gender and outborn status, but not the magnitude of initial response to iNO.

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Acknowledgements

This research was supported by grants from the National Institute of Child Health and Human Development (U10 HD34216, U10 HD27853, U10 HD27871, U10 HD40461, U10 HD40689, U10 HD27856, U10 HD27904, U10 HD40498, U10 HD40521, U01 HD36790, U10 HD21385, U10 HD27880, U10 HD27851 and U10 HD 21373) and from the General Clinical Research Centers Program (M01 RR08084, M01 RR06022, M01 RR00750, M01 RR00070, M01 RR00039 and M01 RR00044). INO Therapeutics provided study gas and support to centers that were not part of the NICHD Neonatal Research Network.

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Correspondence to N Ambalavanan.

Appendix

Appendix

The following investigators participated in the Preemie Inhaled Nitric Oxide Study: Brown University Women & Infant's Hospital—William Oh MD, Angelita Hensman BSN RNC, Daniel Gingras RRT; Emory University—Barbara J. Stoll MD, Lucky Jain MD, Ellen Hale RN BS, Irma Seabrook BS RRT-NPS; Indiana University Riley Hospital for Children and Methodist Hospital—Greg Sokol MD, Dianne Lorant MD, Diana Dawn Appel RN BSN, Lucy Miller RN BSN, Dale Chriscinske BS RRT NPS, Jeff Attwood RRT; Northwestern University—Robin Steinhorn MD, Michael Sautel RRT; Stanford University Lucile Salter Packard Children's Hospital—Krisa Van Meurs MD, Bethany Ball BS CCRC, Dan Proud RCP; University of Alabama at Birmingham University Hospital-UAB—Waldemar A. Carlo MD, Shirley S. Cosby RN BSN, Robert B. Johnson RRT; University of Cincinnati University Hospital, Cincinnati Children's Hospital Medical Center and Good Samaritan—Jon Fridriksson MD, Barb Warner MD, Marcia Mersmann RN, Barb Alexander RN, Jody Shively RN, Holly Mincey RN, Mary Hoover RRT, Sharon Sapienz RRT, Eric Stephenson RRT; University of California-San Diego UCSD Medical Center and Sharp Mary Birch Hospital for Women—Neil N Finer MD, Maynard R Rasmussen MD, Chris Henderson CRTT, Clarence Demetrio RN, Wade Rich RRT-NPS, Christine Joseph, RRT-NPS; University of Florida Wolfson Children's Hospital at Baptist Medical Center and Shands Jacksonville Medical Center—Mark Hudak MD, Shannon Osbeck RN BSN, Elizabeth Case RN BSN CCRC, Amanda Kellum RRT, Lamont Hogans RRT; University of Rochester Golisano Children's Hospital at Strong—Carl T D'Angio MD, Linda Reubens RN, Greg Hutton RRT; University of Texas—Dallas Parkland—Abbot Laptook MD; Susie Madison RN, Gay Hensley RN, Nancy Miller RN, Glenn Metoyer RRT; University of Texas—Houston Memorial Hermann Children's Hospital—Kathleen Kennedy MD MPH, Georgia McDavid RN, Danny Emerson RRT RCP; Medical College of Wisconsin—Ganesh Konduri MD, Mike Paquette RCP/CRT, Steven Wong RCP/CRT; Wake Forest University Wake Forest University Baptist Medical Center, Forsyth Medical Center and Brenner Children's Hospital—Judy Aschner MD, T Michael O'Shea MD MPH, Nancy Peters RN, BJ Hansell RRT CCRC, Jennifer Griffin RRT RCP, Clay Adams RRT RCP; Wayne State University Hutzel Women's Hospital & Children's Hospital of Michigan—Seetha Shankaran MD, Rebecca Bara RN BSN, Geraldine Muran RN BSN, Wonder Weekfall RRT; Yale University New Haven Children's Hospital Richard A Ehrenkranz MD, Patricia Gettner RN, Art Caldwell AS RRT.

The members of the National Institute of Child Health and Human Development Neonatal Research Steering Committee were: Brown University—William Oh MD, Case Western University—Avroy A Fanaroff MD, Duke University—Ronald N Goldberg MD, Emory University—Barbara J Stoll MD, Indiana University—James A Lemons MD, Stanford University—David K Stevenson MD, University of Alabama at Birmingham—Waldemar A Carlo MD, University of Cincinnati—Edward F Donovan MD, University of California-San Diego—Neil N Finer MD, University of Miami—Shahnaz Duara MD, University of Rochester—Dale L Phelps MD, University of Texas- Dallas—Abbot R Laptook MD, University of Texas—Houston—Jon E Tyson MD MPH, Wake Forest University—T Michael O'Shea MD MPH, Wayne State University—Seetha Shankaran MD, Yale University—Richard A Ehrenkranz MD, University of Cincinnati—Alan Jobe MD (Chair).

The members of the Data Coordinating Center (RTI International) were: W Kenneth Poole PhD, Betty Hastings, Carolyn Petrie MS.

The members of National Institute of Child Health and Human Development were: Rosemary D Higgins MD, Linda L Wright MD, Elizabeth McClure MEd.

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Ambalavanan, N., Van Meurs, K., Perritt, R. et al. Predictors of death or bronchopulmonary dysplasia in preterm infants with respiratory failure. J Perinatol 28, 420–426 (2008). https://doi.org/10.1038/jp.2008.18

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