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. 2021 Aug;56(8):2589-2596.
doi: 10.1002/ppul.25455. Epub 2021 May 18.

Morbidity and respiratory outcomes in infants requiring tracheostomy for severe bronchopulmonary dysplasia

Melissa House  1   2 , Amy Nathan  1   2 , Mohammad A N Bhuiyan  3 , Shawn K Ahlfeld  1   2
Affiliations

Morbidity and respiratory outcomes in infants requiring tracheostomy for severe bronchopulmonary dysplasia

Melissa House et al. Pediatr Pulmonol. 2021 Aug.

Abstract

Objective: The decision for tracheostomy for bronchopulmonary dysplasia (BPD) is highly variable and often dictated by local practice. We aimed to characterize morbidity, mortality, and respiratory outcomes in preterm infants undergoing tracheostomy for severe BPD.

Study design: We retrospectively reviewed a single-center 4-year cohort of all infants born <33 weeks gestational age (GA) that required tracheostomy due to severe BPD. Indications for tracheostomy apart from BPD were excluded. Demographic information, comorbidities, respiratory management, age at tracheostomy, post-discharge respiratory outcomes, and survival were examined up to at least 5 years of age.

Results: At a mean corrected GA of 43.3 weeks, 49 preterm infants with severe BPD required tracheostomy. Forty-six infants (94%) had long-term follow-up. Compared to survivors, the 12 (26.1%) infants that died were significantly more likely to be small for gestational age (SGA) or require treatment for pulmonary hypertension. GA, birth weight, sex, antenatal corticosteroid exposure, need for patent ductus arteriosus ligation, and magnitude of respiratory support at tracheostomy placement were not associated with mortality. At the latest follow-up, 97% were liberated from mechanical ventilation and 79% decannulated. Morbidities of the upper airway were common, and 13/27 (47%) decannulated infants had required airway reconstruction.

Conclusion: Preterm infants undergoing tracheostomy experienced significant mortality, particularly those who were SGA or had pulmonary hypertension. However, by 5 years of age, most infants liberalized from mechanical ventilation and decannulated. Magnitude of respiratory support at time of tracheostomy was not associated with mortality and should not deter intervention. Nearly half of patients required airway reconstruction before decannulation.

Keywords: bronchopulmonary dysplasia; chronic lung disease; prematurity; tracheostomy.

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References

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