David D'Arienzo, Muhammadhasan Nasser, Peter J Gill, Cornelia M Borkhoff, Patricia C Parkin, Sanjay Mahant
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Abstract
Background: High-quality trial evidence supports the use of one dose of dexamethasone in the outpatient management of croup; however, there are no inpatient trials, and the optimal treatment regimen for the inpatient management of croup remains uncertain. Significant practice variability exists in the corticosteroid treatment of children hospitalized for croup.
Objective: To evaluate the association of dexamethasone treatment regimen (1 vs. >1 dose) with hospital length of stay (LOS) and 30-day return to emergency department (ED) visits among children hospitalized for croup.
Methods: A cohort study of children hospitalized for croup at a children's hospital between 2010 and 2022. Children less than 10 years old, without known airway anomalies and who received dexamethasone for croup treatment were included. Children who received 1 dose versus >1 dose of dexamethasone were compared. Propensity score analyses, using inverse probability of treatment weighting, were conducted to estimate the treatment effects of dexamethasone regimen on hospital LOS and all-cause 30-day return to ED visit.
Results: Of 471 children hospitalized for croup, 229 (49%) received 1 dose of dexamethasone; 242 (51%) received >1 dose. In the propensity-weighted analyses, children receiving >1 dose of dexamethasone had a longer mean LOS by 59.6 h (95% CI 44.8-74.5, p < .001) compared with those receiving >1 dose. There was no statistically significant difference in the odds of all-cause 30-day return to ED visit; OR 1.30, (95% CI 0.76-2.22, p = .33).
Conclusions: Among children hospitalized for croup, children who received >1 dose of dexamethasone had a longer LOS compared with children who received 1 dose of dexamethasone; however, there was no statistically significant difference in the 30-day return to ED visits. Randomized clinical trials are needed to determine the optimal dexamethasone treatment regimen for children hospitalized with croup.
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