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Development of Obliterative Bronchiolitis in a Murine Model of Orthotopic Lung Transplantation
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Bronchiolitis.

Stuart R Dalziel1, Libby Haskell2, Sharon O'Brien3

  • 1Department of Surgery, The University of Auckland, Auckland, New Zealand; Department of Paediatrics: Child and Youth Health, The University of Auckland, Auckland, New Zealand; Children's Emergency Department, Starship Children's Hospital, Auckland, New Zealand.

Lancet (London, England)
|July 5, 2022
PubMed
Summary
This summary is machine-generated.

Viral bronchiolitis, common in infants, requires only supportive care like hydration and oxygen. Interventional therapies lack proven benefits and their de-implementation remains a challenge.

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Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Respiratory Medicine

Background:

  • Viral bronchiolitis is a leading cause of infant hospital admissions in high-income nations.
  • Respiratory syncytial virus is the primary pathogen, responsible for 60-80% of cases.
  • Diagnosis is typically clinical, obviating the need for viral testing.

Purpose of the Study:

  • To review current evidence-based management recommendations for viral bronchiolitis.
  • To assess the efficacy and appropriate use of various interventions.
  • To address the persistent challenge of de-implementing non-beneficial interventional care.

Main Methods:

  • Review of high-quality evidence and systematic reviews.
  • Analysis of clinical practice guidelines.
  • Evaluation of data regarding specific interventions like glucocorticoids, bronchodilators, hypertonic saline, and high-flow therapy.

Main Results:

  • Management should focus solely on supportive care: hydration and oxygenation.
  • Glucocorticoids and bronchodilators show no demonstrated benefit.
  • Hypertonic saline requires further evidence; high-flow therapy is limited to rescue in hypoxic infants and does not reduce ICU admission or intubation rates.

Conclusions:

  • Evidence strongly supports a supportive care-only approach for viral bronchiolitis.
  • Despite guidelines, interventional therapies are still widely used, posing a significant implementation challenge.
  • Focusing on de-implementation of non-beneficial treatments is crucial for optimal patient care.