• Julia Fuzak Freeman, Sara Deakyne, and Lalit Bajaj.
• Department of Pediatrics, Section of Emergency Medicine, University of Colorado Denver, Aurora, CO.
• Acad Emerg Med. 2017 Aug 1; 24 (8): 920-929.

ObjectiveRetrospective studies have shown home oxygen to be a safe alternative to hospitalization for some patients with bronchiolitis living at high altitudes. We aimed to prospectively describe adverse events, follow-up, duration of home oxygen, factors associated with failure, and caregiver preferences.MethodsThis was a prospective observational study of hypoxemic bronchiolitis patients ages 3 to 18 months who were discharged from a tertiary care pediatric emergency department on home oxygen over three winters (2011-2014). Caregivers were contacted on postdischarge days ~3, 7, 14, and 28 while on oxygen. Caregivers not reached by phone were sent a survey and their primary care physicians were contacted. Records of admitted subjects were reviewed. Outcome measures included hospital readmission, positive pressure ventilation (noninvasive or intubation), outpatient follow-up, duration of home oxygen therapy, and caregiver satisfaction.ResultsA total of 274 patients were enrolled. Forty-eight (17.5%) were admitted and 225 (82.1%) were discharged on oxygen. The median age was 8 months. Eighteen subjects were lost to follow-up. A total of 196 (87.1%) were successfully treated with outpatient oxygen, and 11 (4.9%) failed outpatient therapy and were hospitalized. Only one hospitalized patient required invasive ventilation. The median duration of home oxygen was 7 days. Child noncompliance was the most common problem (reported by 14%). The median caregiver comfort level with home oxygen was 9 of 10. Eighty-eight percent of caregivers would again choose home oxygen over admission.ConclusionsThis study confirms that outpatient oxygen therapy can reduce hospitalizations due to bronchiolitis in a relatively high-altitude setting, with low failure and complication rates. Caregivers are comfortable with home oxygen and prefer it to hospitalization.© 2017 by the Society for Academic Emergency Medicine.

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