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Recent Advances in Bronchopulmonary Dysplasia: Pathophysiology, Prevention, and Treatment.

ABSTRACT: Bronchopulmonary dysplasia (BPD) is potentially one of the most devastating conditions in premature infants with longstanding consequences involving multiple organ systems including adverse effects on pulmonary function and neurodevelopmental outcome. Here we review recent studies in the field to summarize the progress made in understanding in the pathophysiology, prognosis, prevention, and treatment of BPD in the last decade. The work reviewed includes the progress in understanding its pathobiology, genomic studies, ventilatory strategies, outcomes, and therapeutic interventions. We expect that this review will help guide clinicians to treat premature infants at risk for BPD better and lead researchers to initiate further studies in the field.

SUBMITTER: Hwang JS

PROVIDER: S-EPMC5856637 | biostudies-literature | 2018 Apr

REPOSITORIES: biostudies-literature

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Recent Advances in Bronchopulmonary Dysplasia: Pathophysiology, Prevention, and Treatment.

Hwang Jung S JS Rehan Virender K VK

Lung 20180127 2

Bronchopulmonary dysplasia (BPD) is potentially one of the most devastating conditions in premature infants with longstanding consequences involving multiple organ systems including adverse effects on pulmonary function and neurodevelopmental outcome. Here we review recent studies in the field to summarize the progress made in understanding in the pathophysiology, prognosis, prevention, and treatment of BPD in the last decade. The work reviewed includes the progress in understanding its pathobio ...[more]

PMID: 29374791

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Project description:ImportanceBronchopulmonary dysplasia (BPD) rates in the United States remain high and have changed little in the last decade.ObjectiveTo develop a consistent BPD prevention bundle in a systematic approach to decrease BPD.Design, setting, and participantsThis quality improvement study included 484 infants with birth weights from 501 to 1500 g admitted to a level 3 neonatal intensive care unit in the Kaiser Permanente Southern California system from 2009 through 2019. The study period was divided into 3 periods: 1, baseline (2009); 2, initial changes based on ongoing cycles of Plan-Do-Study-Act (2010-2014); and 3, full implementation of successive Plan-Do-Study-Act results (2015-2019).InterventionsA BPD prevention system of care bundle evolved with a shared mental model that BPD is avoidable.Main outcomes and measuresThe primary outcome was BPD in infants with less than 33 weeks' gestational age (hereafter referred to as BPD <33). Other measures included adjusted BPD <33, BPD severity grade, and adjusted median postmenstrual age (PMA) at hospital discharge. Balancing measures were adjusted mortality and adjusted mortality or specified morbidities.ResultsThe study population included 484 infants with a mean (SD) birth weight of 1070 (277) g; a mean (SD) gestational age of 28.6 (2.9) weeks; 252 female infants (52.1%); and 61 Black infants (12.6%). During the 3 study periods, BPD <33 decreased from 9 of 29 patients (31.0%) to 3 of 184 patients (1.6%) (P < .001 for trend); special cause variation was observed. The standardized morbidity ratio for the adjusted BPD <33 decreased from 1.2 (95% CI, 0.7-1.9) in 2009 to 0.4 (95% CI, 0.2-0.8) in 2019. The rates of combined grades 1, 2, and 3 BPD decreased from 7 of 29 patients (24.1%) to 17 of 183 patients (9.3%) (P < .008 for trend). Grade 2 BPD rates decreased from 3 of 29 patients (10.3%) to 5 of 183 patients (2.7%) (P = .02 for trend). Adjusted median PMA at home discharge decreased by 2 weeks, from 38.2 (95% CI, 37.3-39.1) weeks in 2009 to 36.8 (95% CI, 36.6-37.1) weeks during the last 3 years (2017-2019) of the full implementation period. Adjusted mortality was unchanged, whereas adjusted mortality or specified morbidities decreased significantly.Conclusions and relevanceA sustained low rate of BPD was observed in infants after the implementation of a detailed BPD system of care.

Dataset Information

Recent Advances in Bronchopulmonary Dysplasia: Pathophysiology, Prevention, and Treatment.

Publications

Recent Advances in Bronchopulmonary Dysplasia: Pathophysiology, Prevention, and Treatment.

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