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Related Experiment Video

Updated: Jan 20, 2026

Special considerations while measuring oxygen saturation
01:19

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Oxygen saturation thresholds in bronchiolitis: examining admissions.

Tim J van Hasselt1, Bhavna Singham2, Eve Bassett3

  • 1Department of General Paediatrics, Walsall Manor Hospital, Walsall, UK t.vanhasselt@nhs.net.

Archives of Disease in Childhood
|August 30, 2019
PubMed
Summary

A lower oxygen saturation threshold of 90% for bronchiolitis admissions, compared to 92%, significantly reduced hospital length of stay without increasing potentially avoidable admissions.

Keywords:
bronchiolitispaediatrics

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Area of Science:

  • Pediatric Emergency Medicine
  • Respiratory Illnesses

Background:

  • Bronchiolitis is a common respiratory infection in infants.
  • Admission criteria, including oxygen saturation thresholds, vary across pediatric centers.
  • Optimizing admission thresholds is crucial for efficient resource allocation and patient care.

Purpose of the Study:

  • To compare the impact of two different oxygen saturation thresholds (90% vs. 92%) on hospital admissions for bronchiolitis.
  • To evaluate the effect of these thresholds on length of stay and the rate of potentially avoidable admissions.

Main Methods:

  • Prospective multi-center service evaluation.
  • Data collected from 12 UK hospitals over a 4-week period in November 2018.
  • Included 320 infants (6 weeks to 1 year) diagnosed with bronchiolitis, excluding those with chronic conditions.

Main Results:

  • Inadequate feeding was the primary reason for admission (80%).
  • Only 20 patients were admitted solely for low oxygen saturations (median 88%).
  • Median length of stay was significantly shorter in centers with a 90% threshold (41 hours) compared to 92% (59 hours).

Conclusions:

  • A 90% oxygen saturation threshold for bronchiolitis admission appears safe and effective.
  • Lowering the threshold to 90% can significantly reduce hospital length of stay.
  • Few admissions are solely due to low oxygen saturation, suggesting current thresholds may be overly conservative.