Increase in oxygen consumption after albuterol inhalation in ventilated infants and children

Patrick A. Ross, Christopher J L Newth, Cindy A C Hugen, John Maher, Timothy W. Deakers

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Objective: To determine if inhaled albuterol (salbutamol) increases oxygen consumption (V′o<inf>2</inf>) in children and, if so, the duration of this effect.

Design: Oxygen consumption was measured by indirect calorimetry using the Argon dilution technique with a respiratory mass spectrometer. After measurement of baseline values, albuterol was administered and subsequent measurements were performed at 10 minutes, 1 hour, 2 hours, 3 hours, and 4 hours.

Setting: Multidisciplinary PICU in a university teaching hospital.

Patients: Eleven intubated infants and children (five girls, six boys) with a mean age of 20 months (range, 1 mo to 8 yr) and a mean weight of 10.7 kg (range, 3.1-23 kg) who required therapeutic albuterol inhalations.

Intervention: Nine hundred micrograms of albuterol (10 puffs) was administered by a metered-dose inhaler into a spacer through the inspiratory arm of the ventilator circuit near to the patient, during 10 mechanically assisted breaths.

Measurements and Main Results: All children showed an increase in V′o<inf>2</inf> within 10 minutes (mean increase 48.6%). The increased V′o<inf>2</inf> was still elevated (42.3% above baseline) at 1 hour, but 3 hours after albuterol inhalation, the V′o<inf>2</inf> was back to baseline in all patients. Heart rate increased significantly at 10 minutes, 1 hour, and 2 hours after inhalation.

Conclusion: There is a large increase in V′o<inf>2</inf> after albuterol inhalation. This effect lasts up to 3 hours.

Original languageEnglish (US)
Pages (from-to)e389-e392
JournalPediatric Critical Care Medicine
Volume15
Issue number9
DOIs
StatePublished - Nov 10 2014
Externally publishedYes

Fingerprint

Albuterol
Oxygen Consumption
Inhalation
Metered Dose Inhalers
Indicator Dilution Techniques
Indirect Calorimetry
Argon
Mechanical Ventilators
Teaching Hospitals
Heart Rate
Weights and Measures

Keywords

  • Albuterol inhalation
  • Bronchodilator
  • Children
  • Mechanical ventilation
  • Oxygen consumption
  • Salbutamol

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Critical Care and Intensive Care Medicine
  • Medicine(all)

Cite this

Increase in oxygen consumption after albuterol inhalation in ventilated infants and children. / Ross, Patrick A.; Newth, Christopher J L; Hugen, Cindy A C; Maher, John; Deakers, Timothy W.

In: Pediatric Critical Care Medicine, Vol. 15, No. 9, 10.11.2014, p. e389-e392.

Research output: Contribution to journalArticle

Ross, Patrick A. ; Newth, Christopher J L ; Hugen, Cindy A C ; Maher, John ; Deakers, Timothy W. / Increase in oxygen consumption after albuterol inhalation in ventilated infants and children. In: Pediatric Critical Care Medicine. 2014 ; Vol. 15, No. 9. pp. e389-e392.
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abstract = "Objective: To determine if inhaled albuterol (salbutamol) increases oxygen consumption (V′o2) in children and, if so, the duration of this effect.Design: Oxygen consumption was measured by indirect calorimetry using the Argon dilution technique with a respiratory mass spectrometer. After measurement of baseline values, albuterol was administered and subsequent measurements were performed at 10 minutes, 1 hour, 2 hours, 3 hours, and 4 hours.Setting: Multidisciplinary PICU in a university teaching hospital.Patients: Eleven intubated infants and children (five girls, six boys) with a mean age of 20 months (range, 1 mo to 8 yr) and a mean weight of 10.7 kg (range, 3.1-23 kg) who required therapeutic albuterol inhalations.Intervention: Nine hundred micrograms of albuterol (10 puffs) was administered by a metered-dose inhaler into a spacer through the inspiratory arm of the ventilator circuit near to the patient, during 10 mechanically assisted breaths.Measurements and Main Results: All children showed an increase in V′o2 within 10 minutes (mean increase 48.6{\%}). The increased V′o2 was still elevated (42.3{\%} above baseline) at 1 hour, but 3 hours after albuterol inhalation, the V′o2 was back to baseline in all patients. Heart rate increased significantly at 10 minutes, 1 hour, and 2 hours after inhalation.Conclusion: There is a large increase in V′o2 after albuterol inhalation. This effect lasts up to 3 hours.",
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