Corticosteroid therapy in critically ill pediatric asthmatic patients. (Carmean)

Pediatr Crit Care Med. 14(5), June 2013, p 467–470 PMID: 23628833

OBJECTIVES: IV corticosteroids are routinely prescribed to treat critically ill children with asthma. However, no specific dosing recommendations have been made for children admitted to the PICU. We aim to determine current asthma corticosteroid dosing preferences in PICUs within North America.

DESIGN: Cross-sectional, self-administered survey.

SETTING: North American PICUs.

SUBJECTS: Pediatric intensivists working in the United States and Canada.

INTERVENTIONS: None.

MEASUREMENTS AND MAIN RESULTS: A total of 104 intensivists completed the survey. Of these, 70% worked in the United States, 67% attended in PICUs with at most 20 beds, and 79% had more than 10 years of PICU experience. The majority of asthmatics were admitted to PICUs based on clinical asthma examination/score or because the patient was receiving continuous albuterol. IV methylprednisolone is prescribed by the large majority of intensivists (96%). Of those who prescribe methylprednisolone, 66% use a starting dose of 4mg/kg/d, whereas 31% use a starting dose of 2mg/kg/d, and only 3% use 1mg/kg/d. The large majority of respondents (85%) use “clinical experience” as their rationale for their preferred dosage. In multivariate logistic regression analysis, only knowledge of the National Heart, Lung, and Blood Institute guidelines was an independent predictor of prescribing an initial corticosteroid dose of 4mg/kg/d (odds ratio, 3.69 [95% CI, 1.26-10.80]; p = 0.017). Country of practice, years of experience, and PICU size were not associated with corticosteroid dosing preference.

CONCLUSIONS: Most intensivists administer methylprednisolone to critically ill asthmatics at doses 2-4 times higher than recommended by the National Heart, Lung, and Blood Institute guidelines for hospitalized asthmatic children. The rationale for these decisions is likely multifactorial, but in the absence of evidence-based data, most of them cite clinical experience as their deciding factor. Future research is needed to determine the most appropriate corticosteroid dosage in this critically ill patient population.

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