Lower arrythmogenic risk of low dose albuterol plus ipratropium.

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dc.contributor.authorYuksel, Hen_US
dc.contributor.authorCoskun, Sen_US
dc.contributor.authorPolat, Men_US
dc.contributor.authorOnag, Aen_US
dc.date.accessioned2001-10-05en_US
dc.date.accessioned2009-05-30T12:18:49Z
dc.date.available2001-10-05en_US
dc.date.available2009-05-30T12:18:49Z
dc.date.issued2001-10-05en_US
dc.description.abstractOBJECTIVE: Wheezy infants are in need of urgent bronchodilatation owing to their intermittent bronchoconstriction. beta 2 agonists are frequently used in emergencies and have previously shown to increase the QT dispersion (QTd), which may be associate with high risk of cardiac arrhythmia, in asthmatics. However, effect of low dose beta 2 agonist therapy in combination with the anticholinergic agents on QTd in wheezy infants is not known. This study aimed to assess the effect of standard dose of nebulized albuterol (NAB) and low doses of NAB combined with ipratropium-bromide (NIB) on QTd in wheezy infants. METHODS: Twenty-nine children, under 2 years old, with the diagnosis of wheezy infant with acute exacerbation were enrolled in the study. Thirteen were treated by standard dose of NA therapy (0.15 mg/kg) and low doses of NAB (0.075 mg/kg) plus NIB (250 micrograms/dose) therapy was given to the remaining subjects. Respiratory distress score, O2 saturation and side effects were studied and QTd were measured from the standard electrocardiograms at baseline and after treatment. Significant improvement was achieved in clinical score and oxygenation of both groups. RESULT: The evaluation of the corrected QTd (QTcd) showed that there was no significant difference between pretreatment values of both groups (p > 0.05). However, while there was no statistically significant difference in the pre and post-treatment values of QTcd of infants treated with combination therapy, QTcd was found to be significantly increased in NAB group after treatment (p < 0.05). CONCLUSION: Our results suggest that, while clinical improvement is same, the increase of the QT dispersion is more prominent with the use of standard dose of NAB compared to low dose NAB plus NIB therapy. So, low dose of beta 2 agonist in combination with anticholinergic agents may much safer than the use of standard dose of beta 2 agonists alone in regard to preventing the possibility of arrythmogenic effects in wheezy infants with acute exacerbation.en_US
dc.description.affiliationCelal Bayar University Medical Faculty, Department of Pediatrics, Manisa, Turkey. hyukselefe@hotmail.comen_US
dc.identifier.citationYuksel H, Coskun S, Polat M, Onag A. Lower arrythmogenic risk of low dose albuterol plus ipratropium. Indian Journal of Pediatrics. 2001 Oct; 68(10): 945-9en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/80560
dc.language.isoengen_US
dc.source.urihttps://medind.nic.in/icb/icbai.shtmlen_US
dc.subject.meshAlbuterol --administration & dosageen_US
dc.subject.meshArrhythmias, Cardiac --chemically induceden_US
dc.subject.meshAsthma --drug therapyen_US
dc.subject.meshBronchodilator Agents --administration & dosageen_US
dc.subject.meshFemaleen_US
dc.subject.meshHumansen_US
dc.subject.meshInfanten_US
dc.subject.meshIpratropium --administration & dosageen_US
dc.subject.meshMaleen_US
dc.subject.meshRespiratory Soundsen_US
dc.titleLower arrythmogenic risk of low dose albuterol plus ipratropium.en_US
dc.typeClinical Trialen_US
dc.typeJournal Articleen_US
dc.typeRandomized Controlled Trialen_US
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