Effect of paper spacer (spader) in conjunction with procaterol metered dose inhaler in the treatment of acute asthma.
Thirty acute asthmatic patients (mean age 35.6 +/- 13.5 years, mean FEV1 0.97 +/- 0.95 L) in the emergency room were evaluated for airway response to procaterol administered by metered-dose inhaler (MDI) compared to MDI with auxiliary device (a paper spacer) in a randomised cross over study. Bronchodilator response to procaterol delivered by MDI, with paper spacer was significantly greater than that by MDI without spacer (mean maximal increment of FEV1, 0.67 +/- 0.46 vs 0.59 +/- 0.46 L, p = 0.016, mean maximal increment of PEFR, 112 +/- 62.3 vs 86.7 +/- 61.3 L/min, p = 0.003) but there was no difference in dyspnoea score, wheezing score and heart rate. This collapsible and portable auxiliary device (paper spacer) can increase therapeutic efficacy of bronchodilator response in asthmatic patients.
Charoenratanakul
S
S
Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand.
Kongchalalai
A
A
D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D001249:Asthma / Q000188:drug therapy*; D001993:Bronchodilator Agents / Q000008:administration & dosage* / Q000627:therapeutic use; D018592:Cross-Over Studies; D004305:Dose-Response Relationship, Drug; D004867:Equipment Design; D005260:Female; D005541:Forced Expiratory Volume; D006801:Humans; D008297:Male; D008875:Middle Aged; D009330:Nebulizers and Vaporizers; D017265:Procaterol / Q000008:administration & dosage* / Q000627:therapeutic use; D016896:Treatment Outcome
D001993:Bronchodilator Agents; D017265:Procaterol