Dataset Information

Efficacy of a loading dose of IV salbutamol in children with severe acute asthma admitted to a PICU: a randomized controlled trial.

ABSTRACT: The optimal dose regimen for intravenous (IV) treatment in children with severe acute asthma (SAA) is still a matter of debate. We assessed the efficacy of adding a salbutamol loading dose to continuous infusion with salbutamol in children admitted to a pediatric intensive care unit (PICU) with SAA. This multicentre, placebo-controlled randomized trial in the PICUs of four tertiary care children's hospitals included children (2-18 years) with SAA admitted between 2017 and 2019. Children were randomized to receive either a loading dose IV salbutamol (15 mcg/kg, max. 750 mcg) or normal saline while on continuous salbutamol infusion. The primary outcome was the asthma score (Qureshi) 1 h after the intervention. Analysis of covariance models was used to evaluate sensitivity to change in asthma scores. Serum concentrations of salbutamol were obtained. Fifty-eight children were included (29 in the intervention group). Median baseline asthma score was 12 (IQR 10-13) in the intervention group and 11 (9-12) in the control group (p = 0.032). The asthma score 1 h after the intervention did not differ significantly between the groups (p = 0.508, β-coefficient = 0.283). The median increase in salbutamol plasma levels 10 min after the intervention was 13 μg/L (IQR 5-24) in the intervention group and 4 μg/L (IQR 0-7) in the control group (p = 0.001). Side effects were comparable between both groups.

Conclusion

We found no clinical benefit of adding a loading dose IV salbutamol to continuous infusion of salbutamol, in children admitted to the PICU with SAA. Clinically significant side effects from the loading dose were not encountered.

What is known

• Pediatric asthma guidelines struggle with an evidence-based approach for the treatment of SAA beyond the initial steps of oxygen suppletion, repetitive administration of inhaled β2-agonists, and systemic steroids. • During an SAA episode, effective delivery of inhaled drugs is unpredictable due to severe airway obstruction.

What is new

• This study found no beneficial effect of an additional loading dose IV salbutamol in children admitted to the PICU. • This study found no clinically significant side effects from the loading dose.

SUBMITTER: Boeschoten SA

PROVIDER: S-EPMC9508206 | biostudies-literature | 2022 Oct

REPOSITORIES: biostudies-literature

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Efficacy of a loading dose of IV salbutamol in children with severe acute asthma admitted to a PICU: a randomized controlled trial.

Boeschoten Shelley A SA Buysse Corinne M P CMP de Winter Brenda C M BCM van Rosmalen Joost J de Jongste Johan C JC de Jonge Rogier C RC Heisterkamp Sabien G J SGJ van Woensel Job B JB Kneyber Martin C J MCJ van Zwol Annelies A Boehmer Annemie L M ALM de Hoog Matthijs M

European journal of pediatrics 20220803 10

The optimal dose regimen for intravenous (IV) treatment in children with severe acute asthma (SAA) is still a matter of debate. We assessed the efficacy of adding a salbutamol loading dose to continuous infusion with salbutamol in children admitted to a pediatric intensive care unit (PICU) with SAA. This multicentre, placebo-controlled randomized trial in the PICUs of four tertiary care children's hospitals included children (2-18 years) with SAA admitted between 2017 and 2019. Children were ran ...[more]

PMID: 35922522

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Project description:ObjectivesDedicated PICUs are slowly starting to emerge in sub-Saharan Africa. Establishing these units can be challenging as there is little data from this region to inform which populations and approaches should be prioritized. This study describes the characteristics and outcome of patients admitted to the first PICU in Malawi, with the aim to identify factors associated with increased mortality.DesignReview of a prospectively constructed PICU database. Univariate analysis was used to assess associations between demographic, clinical and laboratory factors, and mortality. Univariate associations (p < 0.1) for mortality were entered in two multivariable models.SettingA recently opened PICU in a public tertiary government hospital in Blantyre, Malawi.PatientsChildren admitted to PICU between August 1, 2017, and July 31, 2019.InterventionsNone.Measurement and main resultsOf 531 included PICU admissions, 149 children died (28.1%). Mortality was higher in neonates (88/167; 52.7%) than older children (61/364; 16.8%; p ≤ 0.001). On univariate analysis, gastroschisis, trachea-esophageal fistula, and sepsis had higher PICU mortality, while Wilms tumor, other neoplasms, vocal cord papilloma, and foreign body aspiration had higher survival rates compared with other conditions. On multivariable analysis, neonatal age (adjusted odds ratio [AOR], 4.0; 95% CI, 2.0-8.3), decreased mental state (AOR, 5.8; 95 CI, 2.4-13.8), post-cardiac arrest (AOR, 2.0; 95% CI, 1.0-8.0), severe hypotension (AOR, 6.3; 95% CI, 2.0-19.1), lactate greater than 5 mmol/L (AOR, 4.2; 95% CI, 1.5-11.2), pH less than 7.2 (AOR, 3.1; 95% CI, 1.2-8.0), and platelets less than 150 × 109/L (AOR, 2.4; 95% CI, 1.1-5.2) were associated with increased mortality.ConclusionsIn the first PICU in Malawi, mortality was relatively high, especially in neonates. Surgical neonates and septic patients were identified as highly vulnerable, which stresses the importance of improvement of PICU care bundles for these groups. Several clinical and laboratory variables were associated with mortality in older children. In neonates, severe hypotension was the only clinical variable associated with increased mortality besides blood gas parameters. This stresses the importance of basic laboratory tests, especially in neonates. These data contribute to evidence-based approaches establishing and improving future PICUs in sub-Saharan Africa.

Project description:ObjectivesTo determine risk factors associated with admission to a PICU with or without endotracheal intubation for an asthma exacerbation. We hypothesized that children with critical and near-fatal asthma would have distinguishing clinical features but varying degrees of asthma severity and measures of type 2 inflammation.DesignRetrospective analysis of prospectively collected data of children with asthma recruited into outpatient asthma clinical research studies at Emory University between 2004 and 2015.SettingLarge, free-standing academic quaternary care children's hospital in Atlanta, GA.PatientsChildren 6-18 years old with physician-diagnosed and confirmed asthma.InterventionsNone.Measurements and main resultsA total of 579 children were analyzed with 170 children (29.4%) being admitted to the PICU for an asthma exacerbation in their lifetime. Of these 170 children with a history of critical asthma, 24.1% were classified as having mild-to-moderate asthma, and 83 of 170 children (48.8%) had been intubated and experienced near-fatal asthma. Multiple logistic regression was used to identify risk factors associated with increased odds of PICU admission with or without endotracheal intubation. Hospitalization within the prior 12 months of survey (odds ratio, 8.19; 95% CI, 4.83-13.89), a history of pneumonia (odds ratio, 2.56; 95% CI, 1.52-4.29), having a designation of increased chronic asthma severity on high-dose inhaled corticosteroids (odds ratio, 2.76; 95% CI, 1.62-4.70), having a father with asthma (odds ratio, 2.15; 95% CI, 1.23-3.76), living in a region with a higher burden of poverty (odds ratio, 1.28; 95% CI, 1.02-1.61), and being of black race (odds ratio, 2.01; 95% CI, 1.05-3.84) were all associated with increased odds of PICU admission with or without intubation.ConclusionsOur findings suggest that there are factors associated with critical and near-fatal asthma, distinct from the chronic asthma severity designations, that should be the focus of future investigation.

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Dataset Information

Efficacy of a loading dose of IV salbutamol in children with severe acute asthma admitted to a PICU: a randomized controlled trial.

Conclusion

What is known

What is new

Publications

Efficacy of a loading dose of IV salbutamol in children with severe acute asthma admitted to a PICU: a randomized controlled trial.

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