The role of induced sputum in amiodarone-associated interstitial lung diseases

Elizabeth Fireman*, Ian Topilsky, Sami Viskin, Israel E. Priel

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Amiodarone, a highly effective medication for suppressing cardiac rhythm disturbances, may cause pulmonary injury, such as chronic interstitial lung diseases, in 5-15% of the patients who take it. We applied induced sputum (IS), a non-invasive technique, for diagnosing amiodarone-induced pulmonary toxicity. Four patients with interstitial lung disease who were treated by amiodarone for ischemic heart diseases were evaluated by a conventional clinical workup. All four patients showed marked interstitial pattern on computerized tomography and decreased diffusion capacity (DLCO-SB 51-76%). IS showed lymphocytosis, a high CD4 or CD8 count, eosinophilia and amiodarone in 3 of 4 patients. IS may be a useful tool for assessing amiodarone toxicity in patients with ischemic heart diseases and concomitant pulmonary side effects.

Original languageEnglish
Pages (from-to)223-227
Number of pages5
JournalCardiology
Volume108
Issue number4
DOIs
StatePublished - Nov 2007
Externally publishedYes

Keywords

  • Amiodarone
  • Induced sputum

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