Effect of inhaled furosemide on the bronchial response to methacholine and cold-air hyperventilation challenges

Robert E. Grubbe, Russell Hopp, Nikhil K. Dave, Brian Brennan, Againdra K. Bewtra, Robert Townley

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Inhaled furosemide has been recently demonstrated to inhibit the bronchoconstrictive effects of exercise, ultrasonically nebulized distilled water, and antigen challenge. The presumed mechanism of action of these challenges is through mast cell degranulation. We report on the effect of inhaled furosemide on cold-air hyperventilation challenge (CAHC) and methacholine challenge. We studied 10 subjects with mild to moderate asthma in a double-blind, placebo-controlled, crossover study. Inhaled furosemide did not affect FEV1 in the hour after inhalation, and there was no significant difference between placebo or furosemide on the dose of methacholine causing a 20% fall in FEV1. Our results demonstrated inhaled furosemide significantly attenuated the bronchoconstrictive effect at 6 and 9 minutes after CAHC (p <0.05 and 0.029, respectively) when furosemide was compared to placebo and approached significance at 12 and 15 minutes after CAHC (p = 0.052 and 0.56, respectively). Inhaled furosemide attenuates CAHC but does not effect methacholine-induced bronchoconstriction.

Original languageEnglish
Pages (from-to)881-884
Number of pages4
JournalJournal of Allergy and Clinical Immunology
Volume85
Issue number5
DOIs
StatePublished - 1990

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Hyperventilation
Methacholine Chloride
Furosemide
Air
Placebos
Cell Degranulation
Bronchoconstriction
Mast Cells
Cross-Over Studies
Inhalation
Asthma
Antigens
Water

All Science Journal Classification (ASJC) codes

  • Immunology
  • Immunology and Allergy

Cite this

Effect of inhaled furosemide on the bronchial response to methacholine and cold-air hyperventilation challenges. / Grubbe, Robert E.; Hopp, Russell; Dave, Nikhil K.; Brennan, Brian; Bewtra, Againdra K.; Townley, Robert.

In: Journal of Allergy and Clinical Immunology, Vol. 85, No. 5, 1990, p. 881-884.

Research output: Contribution to journalArticle

Grubbe, Robert E. ; Hopp, Russell ; Dave, Nikhil K. ; Brennan, Brian ; Bewtra, Againdra K. ; Townley, Robert. / Effect of inhaled furosemide on the bronchial response to methacholine and cold-air hyperventilation challenges. In: Journal of Allergy and Clinical Immunology. 1990 ; Vol. 85, No. 5. pp. 881-884.
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